Voriconazole 10 mg/mL Injection, Powder, Lyophilized, For Solution — NDC 70594-067-01 (Billing 70594-0067-01)
This is a package of Voriconazole 10 mg/mL Injection, Powder, Lyophilized, For Solution from Xellia Pharmaceuticals USA LLC, marketed since Aug 2023 and currently FDA-listed. It is this product's only package size.
NDC database record
One package, one record: these facts belong to NDC 70594-067-01 alone.
- Record
- FDA NDC Directory package listing · Human prescription drug
- Code segments
- 70594 labeler · 067 product · 01 package
- Package marketed since
- Aug 24, 2023
- Sample package
- No — commercial package
- Listing certified through
- Dec 31, 2026
- Barcode (UPC-A, from the NDC)
- 3 7059406701 8
- FDA record last changed
- Jul 24, 2026
Other active recalls for Voriconazole (different manufacturers) — 2 · tap to view
Identity & classification
Regulatory identifiers FDA, NLM and CMS codes for this package
Drug-database identifiers Medi-Span GPI and First Databank GCN / HICL / AHFS classification
- GSN (GCN sequence number): 087849
- GCN: 57872
- GPI-14 (Medi-Span): 11407080002120
- HICL (First Databank): 050636
- AHFS class code: 08:14.08.00
- RxCUI (RxNorm): 351209
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 3, 2026
- RxNorm (NLM RxNav) · catalog refreshed Oct 1, 2026
- Medi-Span GPI (licensed)
- First Databank (licensed) · refreshed Oct 1, 2026
RxNorm drug class
This medicine belongs to the Azole Antifungal class.
Where does this data come from?
- RxClass (NLM) · catalog refreshed Oct 1, 2026
Clinical
- It treats serious fungal infections. These include invasive aspergillosis, Candida infections in the blood or deep tissues, esophageal candidiasis, and certain Scedosporium and Fus...
- It is usually dosed every 12 hours as a tablet, oral suspension or IV infusion. High-fat meals can lower how much medicine you absorb, so ask me about timing with food. Follow your...
- Vision changes, fever, nausea, vomiting, rash, headache, chills, fast heartbeat and abnormal liver tests are common. Some people have hallucinations. Tell your doctor about anythin...
- Call for yellow skin or eyes, a fast or irregular heartbeat, fainting, a severe blistering or peeling rash, or vision problems that last. Also call for chest tightness or trouble b...
Patient education
Supplement & herbal interactions
Some supplements/herbs that may interact with Voriconazole — tap one for details:
Where does this data come from?
- MedlinePlus (NLM) · refreshed Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 3, 2026
Ask a licensed pharmacist directly — free, answered by our team.
Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per mL | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | Not in the retail survey — common for institutional, discontinued, or low-volume packs. | |
| Medicaid paysCMS SDUD · 12 mo | No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data. | |
| Medicare drug plans payPart D · Q2 2026 | $43.52 | $870.30 / 20 ml |
| Medicare Part B allowsASP · J3465 | $0.563 / J3465 unit | — |
Where does this data come from?
- CMS NADAC weekly file
- CMS ASP pricing files · refreshed Sep 20, 2026
- CMS Medicaid State Drug Utilization Data · refreshed Oct 4, 2026
- CMS Part D plan pricing files · refreshed Sep 24, 2026
- VA National Acquisition Center price file
Billing & reimbursement
Where does this data come from?
- CMS ASP NDC-HCPCS crosswalk · refreshed Sep 22, 2026
- DMEPDAC NDC-HCPCS crosswalk
- openFDA NSDE billing units · refreshed Sep 7, 2026
Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Marketing end | Status |
|---|---|---|---|---|
| 70594-0067-01 You're viewing this Main listing | 1 VIAL, SINGLE-USE in 1 CARTON / 20 mL in 1 VIAL, SINGLE-USE | 2023-08-24 | — | Active |
Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Vfend 10 mg/mL 00049-3190-38 | Roerig | 20 ml | — | AP | Discontinued | — |
| Vfend 10 mg/mL 00049-4190-01 | Roerig | 1 vial | — | AP | FDA listed | — |
| Voriconazole 10 mg/mL 00781-3416-94 | Sandoz | 1 vial | — | AP | FDA listed | — |
| Voriconazole 10 mg/mL 31722-0224-31 | Camber | 1 vial | — | AP | FDA listed | — |
| Voriconazole 10 mg/mL 55150-0321-01 | Eugia | 1 vial | — | — | FDA listed | — |
| Voriconazole 10 mg/mL 65219-0190-30 | Fresenius | 1 vial | — | AP | FDA listed | — |
| Voriconazole 10 mg/mL 68083-0321-01 | Gland | 1 vial | — | AP | FDA listed | — |
| voriconazole 200 mg 70436-0029-80 | Slate | 1 injection | — | AP | FDA listed | — |
| Voriconazole 10 mg/mLthis 70594-0067-01 | Xellia | 1 vial | — | AP | FDA listed | — |
| Voriconazole 10 mg/mL 71288-0027-30 | Meitheal | 1 vial | — | AP | FDA listed | — |
| Voriconazole 10 mg/mL 72266-0131-01 | Fosun | 1 vial | — | AP | FDA listed | — |
| Voriconazole 10 mg/mL 72572-0875-01 | Civica, | 1 vial | — | AP | FDA listed | — |
| Voriconazole 10 mg/mL 72843-0441-01 | UBI | 20 ml | — | AP | FDA listed | — |
| Voriconazole 10 mg/mL 14335-0730-10 | Hainan | 1 vial | — | — | FDA listed | — |
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA Orange Book · refreshed Oct 3, 2026
- CMS NADAC weekly file
Availability & generic status
The FDA lists approved generic versions of this medicine, but that does not always mean a pharmacy can get one today. Patent rules, launch agreements, supply and pricing can affect when generics actually arrive.
Where does this data come from?
- FDA Orange Book · refreshed Oct 3, 2026
Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
💡 Tap an ingredient (hover on desktop) to see what it is and why it’s used.
-
UNII 1I96OHX6EK
A cyclic carbohydrate derived from plant starch that acts as a solubilizer and stabilizer. It helps dissolve poorly water-soluble drugs and protects active ingredients from degradation in the formulation.
1 inactive ingredient listed in the exact product block matched to this NDC.
Where does this data come from?
ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.- FDA label on DailyMed · label index refreshed Oct 3, 2026
- FDA openFDA NDC Directory · synced Oct 1, 2026
Inactive ingredient FAQ
Are inactive ingredients the same for every manufacturer?
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Manufacturer & labeler
More NDCs from Xellia Pharmaceuticals USA LLC labeler code 70594
- Vancomycin 1.75 g/350mL Injection, Solution NDC 70594-058-02
- Daptomycin 500 mg/10mL Injection, Powder, Lyophilized, For Solution NDC 70594-060-01
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- Phenylephrine Hydrochloride 50 mg/5mL Injection NDC 70594-064-02
- Phenylephrine Hydrochloride 100 mg/10mL Injection NDC 70594-065-01
- Daptomycin 350 mg/7mL Injection, Powder, Lyophilized, For Solution NDC 70594-066-01
- Sumatriptan 6 mg/.5mL Injection NDC 70594-068-02
- Neostigmine Methylsulfate .5 mg/mL Injection NDC 70594-069-02
- Neostigmine Methylsulfate 1 mg/mL Injection NDC 70594-072-02
- Meropenem 500 mg Injection, Powder, For Solution NDC 70594-075-02
- Meropenem 1 g Injection, Powder, For Solution NDC 70594-076-02
- Acetylcysteine 200 mg/mL Injection, Solution NDC 70594-111-02
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- Drugs@FDA
Full prescribing information FDA SPL
🎯 Indications and Usage ▾
1 INDICATIONS AND USAGE Voriconazole for injection is an azole antifungal indicated for use in the treatment of adults and pediatric patients aged 12 to 14 years weighing greater than or equal to 50 kg and those aged 15 years and older regardless of body weight with: Invasive aspergillosis ( 1.1 ) Candidemia in non-neutropenics and other deep tissue Candida infections ( 1.2 ) Serious fungal infections caused by Scedosporium apiospermum and Fusarium species including Fusarium solani , in patients intolerant of, or refractory to, other therapy ( 1.3 )
1.1Invasive Aspergillosis Voriconazole for injection is indicated in adults and pediatric patients (aged 12 to 14 years weighing greater than or equal to 50 kg and those aged 15 years and older regardless of body weight) for the treatment of invasive aspergillosis (IA). In clinical trials, the majority of isolates recovered were Aspergillus fumigatus . There was a small number of cases of culture-proven disease due to species of Aspergillus other than A. fumigatus [see Clinical Studies (14.1) and Microbiology (12.4) ].
1.2Candidemia in Non-neutropenic Patients and Other Deep Tissue Candida Infections Voriconazole for injection is indicated in adult and pediatric patients (aged 12 to 14 years weighing greater than or equal to 50 kg and those aged 15 years and older regardless of body weight) for the treatment of candidemia in non-neutropenic patients and the following Candida infections: disseminated infections in skin and infections in abdomen, kidney, bladder wall, and wounds [see Clinical Studies (14.2) and Microbiology (12.4) ].
1.3Scedosporiosis and Fusariosis Voriconazole for injection is indicated for the treatment of serious fungal infections caused by Scedosporium apiospermum (asexual form of Pseudallescheria boydii ) and Fusarium spp . including Fusarium solani , in adult and pediatric patients (aged 12 to 14 years weighing greater than or equal to 50 kg and those aged 15 years and older regardless of body weight) intolerant of, or refractory to, other therapy [see Clinical Studies (14.3) and Microbiology (12.4) ] .
1.4Usage Specimens for fungal culture and other relevant laboratory studies (including histopathology) should be obtained prior to therapy to isolate and identify causative organism(s). Therapy may be instituted before the results of the cultures and other laboratory studies are known. However, once these results become available, antifungal therapy should be adjusted accordingly.
Additional pediatric use information is approved for PF PRISM C.V.'s VFEND (voriconazole) for injection. However, due to PF PRISM C.V.'s marketing exclusivity rights, this drug product is not labeled with that information.
⏱️ Dosage and Administration ▾
2 DOSAGE AND ADMINISTRATION Dosage in Adults ( 2.3 ) Infection Loading dose Maintenance Dose Intravenous infusion Intravenous infusion Invasive Aspergillosis 6 mg/kg every 12 hours for the first 24 hours 4 mg/kg every 12 hours Candidemia in nonneutropenics and other deep tissue Candida infections 3–4 mg/kg every 12 hours Scedosporiosis and Fusariosis 4 mg/kg every 12 hours Hepatic Impairment : Use half the maintenance dose in adult patients with mild to moderate hepatic impairment (Child-Pugh Class A and B) ( 2.5 ) Renal Impairment : Avoid intravenous administration in adult patients with moderate to severe renal impairment (creatinine clearance <50 mL/min) ( 2.6 ) Dosage in Pediatric Patients ( 2.4 ) For pediatric patients aged 12 to 14 years weighing greater than or equal to 50 kg and those aged 15 years and older regardless of body weight use adult dosage.
( 2.4 ) Dosage adjustment of Voriconazole for injection in pediatric patients with renal or hepatic impairment has not been established. ( 2.5 , 2.6 ) See full prescribing information for instructions on reconstitution of Voriconazole for injection lyophilized powder for intravenous use ( 2.8 )
2.1Important Administration Instructions for Use in All Patients Voriconazole for injection requires reconstitution to 10 mg/mL and subsequent dilution to 5 mg/mL or less prior to administration as an infusion, at a maximum rate of 3 mg/kg per hour over 1 to 3 hours. Administer diluted Voriconazole for injection by intravenous infusion over 1 to 3 hours only. Do not administer as an IV bolus injection.
2.2Use of Voriconazole for injection With Other Parenteral Drug Products Blood products and concentrated electrolytes Voriconazole for injection must not be infused concomitantly with any blood product or short-term infusion of concentrated electrolytes, even if the two infusions are running in separate intravenous lines (or cannulas). Electrolyte disturbances such as hypokalemia, hypomagnesemia and hypocalcemia should be corrected prior to initiation of and during Voriconazole for injection therapy [see Warnings and Precautions (5.10) ] .
Intravenous solutions containing (non-concentrated) electrolytes Voriconazole for injection can be infused at the same time as other intravenous solutions containing (non-concentrated) electrolytes, but must be infused through a separate line. Total parenteral nutrition (TPN) Voriconazole for injection can be infused at the same time as total parenteral nutrition, but must be infused in a separate line. If infused through a multiple-lumen catheter, TPN needs to be administered using a different port from the one used for Voriconazole for injection.
2.3Recommended Dosing Regimen in Adults Invasive aspergillosis and serious fungal infections due to Fusarium spp. and Scedosporium apiospermum See Table 1 . Therapy must be initiated with the specified loading dose regimen of intravenous Voriconazole for injection on Day 1 followed by the recommended maintenance dose (RMD) regimen. Intravenous treatment should be continued for at least 7 days.
Once the patient has clinically improved and can tolerate medication given by mouth, the oral tablet form or oral suspension form of voriconazole may be utilized. The recommended oral maintenance dose of 200 mg achieves a voriconazole exposure similar to 3 mg/kg intravenously; a 300 mg oral dose achieves an exposure similar to 4 mg/kg intravenously [see Clinical Pharmacology (12.3) ] . Candidemia in non-neutropenic patients and other deep tissue Candida infections See Table 1 .
Patients should be treated for at least 14 days following resolution of symptoms or following last positive culture, whichever is longer. Table 1: Recommended Dosing Regimen (Adults) Infection Loading Dose Maintenance Dose Increase dose when Voriconazole for injection is co-administered with phenytoin or efavirenz (7); Decrease dose in patients with hepatic impairment (2.5) Intravenous infusion Intravenous infusion Invasive Aspergillosis… [Excerpted — this section continues on DailyMed.]
💊 Dosage Forms and Strengths ▾
3 DOSAGE FORMS AND STRENGTHS For Injection : Lyophilized white to off white cake or powder containing 200 mg voriconazole and 3,200 mg of hydroxypropyl β-cyclodextrin (HPβCD); after reconstitution 10 mg/mL of voriconazole and 160 mg/mL of HPβCD ( 3 ) Powder for Solution for Injection Voriconazole for injection is supplied in a single-dose vial as a sterile lyophilized white to off white cake or powder equivalent to 200 mg voriconazole and 3,200 mg hydroxypropyl β-cyclodextrin (HPβCD).
⛔ Contraindications ▾
4 CONTRAINDICATIONS Voriconazole for injection is contraindicated in patients with known hypersensitivity to voriconazole or its excipients. There is no information regarding cross-sensitivity between Voriconazole for injection (voriconazole) and other azole antifungal agents. Caution should be used when prescribing Voriconazole for injection to patients with hypersensitivity to other azoles.
Coadministration of pimozide, quinidine or ivabradine with Voriconazole for injection is contraindicated because increased plasma concentrations of these drugs can lead to QT prolongation and rare occurrences of torsade de pointes [see Drug Interactions (7) ] . Coadministration of Voriconazole for injection with sirolimus is contraindicated because Voriconazole for injection significantly increases sirolimus concentrations [see Drug Interactions (7) and Clinical Pharmacology (12.3) ] . Coadministration of Voriconazole for injection with rifampin, carbamazepine, long-acting barbiturates and St.
John's Wort is contraindicated because these drugs are likely to decrease plasma voriconazole concentrations significantly [see Drug Interactions (7) and Clinical Pharmacology (12.3) ] . Coadministration of standard doses of voriconazole with efavirenz doses of 400 mg every 24 hours or higher is contraindicated, because efavirenz significantly decreases plasma voriconazole concentrations in healthy subjects at these doses. Voriconazole also significantly increases efavirenz plasma concentrations [see Drug Interactions (7) and Clinical Pharmacology (12.3) ] .
Coadministration of Voriconazole for injection with high-dose ritonavir (400 mg every 12 hours) is contraindicated because ritonavir (400 mg every 12 hours) significantly decreases plasma voriconazole concentrations. Coadministration of voriconazole and low-dose ritonavir (100 mg every 12 hours) should be avoided, unless an assessment of the benefit/risk to the patient justifies the use of voriconazole [see Drug Interactions (7) and Clinical Pharmacology (12.3) ] . Coadministration of Voriconazole for injection with rifabutin is contraindicated since Voriconazole for injection significantly increases rifabutin plasma concentrations and rifabutin also significantly decreases voriconazole plasma concentrations [see Drug Interactions (7) and Clinical Pharmacology (12.3) ] .
Coadministration of Voriconazole for injection with ergot alkaloids (ergotamine and dihydroergotamine) is contraindicated because Voriconazole for injection may increase the plasma concentration of ergot alkaloids, which may lead to ergotism [see Drug Interactions (7) ] . Coadministration of Voriconazole for injection with naloxegol is contraindicated because Voriconazole for injection may increase plasma concentrations of naloxegol which may precipitate opioid withdrawal symptoms [see Drug Interactions (7) ]. Coadministration of Voriconazole for injection with tolvaptan is contraindicated because Voriconazole for injection may increase tolvaptan plasma concentrations and increase risk of adverse reactions [see Drug Interactions (7) ].
Coadministration of Voriconazole for injection with venetoclax at initiation and during the ramp-up phase is contraindicated in patients with chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) due to the potential for increased risk of tumor lysis syndrome [see Drug Interactions (7) ]. Coadministration of Voriconazole for injection with lurasidone is contraindicated since it may result in significant increases in lurasidone exposure and the potential for serious adverse reactions [see Drug Interactions (7) ] .
Hypersensitivity to voriconazole or its excipients ( 4 ) Coadministration with pimozide, quinidine, sirolimus or ivabradine due to risk of serious adverse reactions ( 4 , 7 ) Coadministration with rifampin, carbamazepine, long-acting barbiturates, efavirenz, ritonavir, rifabutin, ergot alkaloids, and St. John's Wort due to risk of loss of efficacy ( 4 , 7 ) Coadministrati… [Excerpted — this section continues on DailyMed.]
⚠️ Warnings and Cautions ▾
5 WARNINGS AND PRECAUTIONS Hepatic Toxicity : Serious hepatic reactions reported. Evaluate liver function tests at start of and during Voriconazole for injection therapy ( 5.1 ) Arrhythmias and QT Prolongation : Correct potassium, magnesium and calcium prior to use; caution patients with proarrhythmic conditions ( 5.2 ) Infusion Related Reactions (including anaphylaxis) : Stop the infusion ( 5.3 ) Visual Disturbances (including optic neuritis and papilledema): Monitor visual function if treatment continues beyond 28 days ( 5.4 ) Severe Cutaneous Adverse Reactions : Discontinue for exfoliative cutaneous reactions ( 5.5 ) Photosensitivity : Avoid sunlight due to risk of photosensitivity ( 5.6 ) Adrenal Dysfunction : Carefully monitor patients receiving Voriconazole for injection and corticosteroids (via all routes of administration) for adrenal dysfunction both during and after Voriconazole for injection treatment.
Instruct patients to seek immediate medical care if they develop signs and symptoms of Cushing's syndrome or adrenal insufficiency ( 5.8 ) Embryo-Fetal Toxicity : Voriconazole can cause fetal harm when administered to a pregnant woman. Inform pregnant patients of the potential hazard to the fetus. Advise females of reproductive potential to use effective contraception during treatment with Voriconazole for injection ( 5.9 , 8.1 , 8.3 ) Skeletal Adverse Reactions : Fluorosis and periostitis with long-term voriconazole therapy.
Discontinue if these adverse reactions occur ( 5.12 ) Clinically Significant Drug Interactions : Review patient's concomitant medications ( 5.13 , 7 )
5.1Hepatic Toxicity In clinical trials, there have been uncommon cases of serious hepatic reactions during treatment with Voriconazole for injection (including clinical hepatitis, cholestasis and fulminant hepatic failure, including fatalities). Instances of hepatic reactions were noted to occur primarily in patients with serious underlying medical conditions (predominantly hematological malignancy). Hepatic reactions, including hepatitis and jaundice, have occurred among patients with no other identifiable risk factors.
Liver dysfunction has usually been reversible on discontinuation of therapy [see Adverse Reactions (6.1) ] . A higher frequency of liver enzyme elevations was observed in the pediatric population [see Adverse Reactions (6.1) ]. Hepatic function should be monitored in both adult and pediatric patients.
Measure serum transaminase levels and bilirubin at the initiation of Voriconazole for injection therapy and monitor at least weekly for the first month of treatment. Monitoring frequency can be reduced to monthly during continued use if no clinically significant changes are noted. If liver function tests become markedly elevated compared to baseline, Voriconazole for injection should be discontinued unless the medical judgment of the benefit/risk of the treatment for the patient justifies continued use [see Dosage and Administration (2.5) , and Adverse Reactions (6.1) ] .
5.2Arrhythmias and QT Prolongation Some azoles, including Voriconazole for injection, have been associated with prolongation of the QT interval on the electrocardiogram. During clinical development and post-marketing surveillance, there have been rare cases of arrhythmias, (including ventricular arrhythmias such as torsade de pointes), cardiac arrests and sudden deaths in patients taking Voriconazole for injection. These cases usually involved seriously ill patients with multiple confounding risk factors, such as history of cardiotoxic chemotherapy, cardiomyopathy, hypokalemia and concomitant medications that may have been contributory.
Voriconazole for injection should be administered with caution to patients with potentially proarrhythmic conditions, such as: Congenital or acquired QT prolongation Cardiomyopathy, in particular when heart failure is present Sinus bradycardia Existing symptomatic arrhythmias Concomitant medicinal product that is known to prolong QT… [Excerpted — this section continues on DailyMed.]
🤒 Adverse Reactions ▾
6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in the labeling: Hepatic Toxicity [see Warnings and Precautions (5.1) ] Arrhythmias and QT Prolongation [see Warnings and Precautions (5.2) ] Infusion Related Reactions [see Warnings and Precautions (5.3) ] Visual Disturbances [see Warnings and Precautions (5.4) ] Severe Cutaneous Adverse Reactions [see Warnings and Precautions (5.5) ] Photosensitivity [see Warnings and Precautions (5.6) ] Renal Toxicity [see Warnings and Precautions (5.7) ] Adult patients : The most common adverse reactions (incidence ≥2%): were visual disturbances, fever, nausea, rash, vomiting, chills, headache, liver function test abnormal, tachycardia, hallucinations ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Xellia Pharmaceuticals USA, LLC at 1-833-295-6953, or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
6.1Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Clinical Trials Experience in Adults Overview The most frequently reported adverse reactions (see Table 3 ) in the adult therapeutic trials were visual disturbances (18.7%), fever (5.7%), nausea (5.4%), rash (5.3%), vomiting (4.4%), chills (3.7%), headache (3.0%), liver function test increased (2.7%), tachycardia (2.4%), hallucinations (2.4%).
The adverse reactions which most often led to discontinuation of voriconazole therapy were elevated liver function tests, rash, and visual disturbances [see Warning and Precautions (5.1 , 5.4) , and Adverse Reactions (6.1) ] . The data described in Table 3 reflect exposure to voriconazole in 1655 patients in the nine therapeutic studies. This represents a heterogeneous population, including immunocompromised patients, e.g., patients with hematological malignancy or HIV and non-neutropenic patients.
This subgroup does not include healthy subjects and patients treated in the compassionate use and non-therapeutic studies. This patient population was 62% male, had a mean age of 46 years (range 11–90, including 51 patients aged 12–18 years), and was 78% White and 10% Black. Five hundred sixty one patients had a duration of voriconazole therapy of greater than 12 weeks, with 136 patients receiving voriconazole for over six months.
Table 3 includes all adverse reactions which were reported at an incidence of ≥2% during voriconazole therapy in the all therapeutic studies population, studies 307/602 and 608 combined, as well as events of concern which occurred at an incidence of <2%. In study 307/602, 381 patients (196 on voriconazole, 185 on amphotericin B) were treated to compare voriconazole to amphotericin B followed by other licensed antifungal therapy (OLAT) in the primary treatment of patients with acute IA. The rate of discontinuation from voriconazole study medication due to adverse reactions was 21.4% (42/196 patients).
In study 608, 403 patients with candidemia were treated to compare voriconazole (272 patients) to the regimen of amphotericin B followed by fluconazole (131 patients). The rate of discontinuation from voriconazole study medication due to adverse reactions was 19.5% out of 272 patients. Laboratory test abnormalities for these studies are discussed under Clinical Laboratory Values below.
Table 3: Adverse Reactions Rate ≥ 2% on Voriconazole or Adverse Reactions of Concern in Therapeutic Studies Population, Studies 307/602-608 Combined, Possibly Related to Therapy or Causality Unknown Study 307/602: IA; Study 608: candidemia Therapeutic Studies Studies 303, 304, 307, 309, 602, 603, 604, 608 Studies 307/602 and 608 Voriconazole N=1655 Voriconazole N=468 Ampho B Amphotericin B followed by other licensed antifungal therapy N=185 Ampho B→ Fluconazole N=131 N (%) N (%) N (%) N (%) Special Senses See Warnings and Precautions (5… [Excerpted — this section continues on DailyMed.]
🔄 Drug Interactions ▾
7 DRUG INTERACTIONS Voriconazole is metabolized by cytochrome P450 isoenzymes, CYP2C19, CYP2C9, and CYP3A4. Therefore, inhibitors or inducers of these isoenzymes may increase or decrease voriconazole plasma concentrations, respectively. Voriconazole is a strong inhibitor of CYP3A4, and also inhibits CYP2C19 and CYP2C9.
Therefore, voriconazole may increase the plasma concentrations of substances metabolized by these CYP450 isoenzymes. Tables 6 and 7 provide the clinically significant interactions between voriconazole and other medical products. Table 6: Effect of Other Drugs on Voriconazole Pharmacokinetics [see Clinical Pharmacology (12.3) ] Drug/Drug Class (Mechanism of Interaction by the Drug) Voriconazole Plasma Exposure (C max and AUC τ after 200 mg every 12 hours) Recommendations for Voriconazole Dosage Adjustment/Comments Rifampin and Rifabutin (CYP450 Induction) Significantly Reduced Contraindicated Efavirenz (400 mg every 24 hours) (CYP450 Induction) Significantly Reduced Contraindicated High-dose Ritonavir (400 mg every 12 hours) (CYP450 Induction) Significantly Reduced Contraindicated Low-dose Ritonavir (100 mg every 12 hours) (CYP450 Induction) Reduced Coadministration of voriconazole and low-dose ritonavir (100 mg every 12 hours) should be avoided, unless an assessment of the benefit/risk to the patient justifies the use of voriconazole Carbamazepine (CYP450 Induction) Not Studied In Vivo or In Vitro , but Likely to Result in Significant Reduction Contraindicated Long Acting Barbiturates (e.g., phenobarbital, mephobarbital) (CYP450 Induction) Not Studied In Vivo or In Vitro , but Likely to Result in Significant Reduction Contraindicated Phenytoin (CYP450 Induction) Significantly Reduced Increase voriconazole maintenance dose from 4 mg/kg to 5 mg/kg IV every12 hours Letermovir (CYP2C9/2C19 Induction) Reduced If concomitant administration of voriconazole with letermovir cannot be avoided, monitor for reduced effectiveness of voriconazole.
St. John's Wort (CYP450 inducer; P-gp inducer) Significantly Reduced Contraindicated Oral Contraceptives containing ethinyl estradiol and norethindrone (CYP2C19 Inhibition) Increased Monitoring for adverse reactions and toxicity related to voriconazole is recommended when coadministered with oral contraceptives Fluconazole (CYP2C9, CYP2C19 and CYP3A4 Inhibition) Significantly Increased Avoid concomitant administration of voriconazole and fluconazole. Monitoring for adverse reactions and toxicity related to voriconazole is started within 24 hours after the last dose of fluconazole Other HIV Protease Inhibitors (CYP3A4 Inhibition) In Vivo Studies Showed No Significant Effects of Indinavir on Voriconazole Exposure No dosage adjustment in the voriconazole dosage needed when coadministered with indinavir.
In Vitro Studies Demonstrated Potential for Inhibition of Voriconazole Metabolism (Increased Plasma Exposure) Frequent monitoring for adverse reactions and toxicity related to voriconazole when coadministered with other HIV protease inhibitors Other NNRTIs Non-Nucleoside Reverse Transcriptase Inhibitors (CYP3A4 Inhibition or CYP450 Induction) In Vitro Studies Demonstrated Potential for Inhibition of Voriconazole Metabolism by Delavirdine and Other NNRTIs (Increased Plasma Exposure). Frequent monitoring for adverse reactions and toxicity related to voriconazole A Voriconazole-Efavirenz Drug Interaction Study Demonstrated the Potential for the Metabolism of Voriconazole to be Induced by Efavirenz and Other NNRTIs (Decreased Plasma Exposure) Careful assessment of voriconazole effectiveness Table 7: Effect of Voriconazole on Pharmacokinetics of Other Drugs [see Clinical Pharmacology (12.3) ] Drug/Drug Class (Mechanism of Interaction by Voriconazole) Drug Plasma Exposure (C max and AUC τ ) Recommendations for Drug Dosage Adjustment/Comments Sirolimus (CYP3A4 Inhibition) Significantly Increased Contraindicated Rifabutin (CYP3A4 Inhibition) Significantly Increased Contraindicated Efavirenz (40… [Excerpted — this section continues on DailyMed.]
👥 Use in Specific Populations ▾
8 USE IN SPECIFIC POPULATIONS Pediatrics : Safety and effectiveness in patients younger than 2 years has not been established ( 8.4 ) Additional pediatric use information is approved for PF PRISM C.V.'s VFEND (voriconazole) for injection. However, due to PF PRISM C.V.'s marketing exclusivity rights, this drug product is not labeled with that information .
8.1Pregnancy Risk Summary Voriconazole can cause fetal harm when administered to a pregnant woman. There are no available data on the use of Voriconazole for injection in pregnant women. In animal reproduction studies, oral voriconazole was associated with fetal malformations in rats and fetal toxicity in rabbits.
Cleft palates and hydronephrosis/hydroureter were observed in rat pups exposed to voriconazole during organogenesis at and above 10 mg/kg (0.3 times the RMD of 200 mg every 12 hours based on body surface area comparisons). In rabbits, embryomortality, reduced fetal weight and increased incidence of skeletal variations, cervical ribs and extrasternal ossification sites were observed in pups when pregnant rabbits were orally dosed at 100 mg/kg (6 times the RMD based on body surface area comparisons) during organogenesis.
Rats exposed to voriconazole from implantation to weaning experienced increased gestational length and dystocia, which were associated with increased perinatal pup mortality at the 10 mg/kg dose [see Data ] . If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, inform the patient of the potential hazard to the fetus [see Warnings and Precautions (5.9) ] . The background risk of major birth defects and miscarriage for the indicated populations is unknown.
In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20% respectively. Data Animal Data Voriconazole was administered orally to pregnant rats during organogenesis (gestation days 6-17) at 10, 30, and 60 mg/kg/day. Voriconazole was associated with increased incidences of the malformations in hydroureter and hydronephrosis at 10 mg/kg/day or greater, approximately 0.3 times the recommended human dose (RMD) based on body surface area comparisons, and cleft palate at 60 mg/kg, approximately 2 times the RMD based on body surface area comparisons.
Reduced ossification of sacral and caudal vertebrae, skull, pubic, and hyoid bone, supernumerary ribs, anomalies of the sternebrae, and dilatation of the ureter/renal pelvis were also observed at doses of 10 mg/kg or greater. There was no evidence of maternal toxicity at any dose. Voriconazole was administered orally to pregnant rabbits during the period of organogenesis (gestation days 7-19) at 10, 40, and 100 mg/kg/day.
Voriconazole was associated with increased post-implantation loss and decreased fetal body weight, in association with maternal toxicity (decreased body weight gain and food consumption) at 100 mg/kg/day (6 times the RMD based on body surface area comparisons). Fetal skeletal variations (increases in the incidence of cervical rib and extra sternebral ossification sites) were observed at 100 mg/kg/day. In a peri- and postnatal toxicity study in rats, voriconazole was administered orally to female rats from implantation through the end of lactation at 1, 3, and 10 mg/kg/day.
Voriconazole prolonged the duration of gestation and labor and produced dystocia with related increases in maternal mortality and decreases in perinatal survival of F1 pups at 10 mg/kg/day, approximately 0.3 times the RMD.
8.2Lactation Risk Summary No data are available regarding the presence of voriconazole in human milk, the effects of voriconazole on the breastfed infant, or the effects on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for Voriconazole for injection and any potential adverse effects on the breastfed child from Voriconazole for inje… [Excerpted — this section continues on DailyMed.]
🤰 Pregnancy ▾
8.1Pregnancy Risk Summary Voriconazole can cause fetal harm when administered to a pregnant woman. There are no available data on the use of Voriconazole for injection in pregnant women. In animal reproduction studies, oral voriconazole was associated with fetal malformations in rats and fetal toxicity in rabbits.
Cleft palates and hydronephrosis/hydroureter were observed in rat pups exposed to voriconazole during organogenesis at and above 10 mg/kg (0.3 times the RMD of 200 mg every 12 hours based on body surface area comparisons). In rabbits, embryomortality, reduced fetal weight and increased incidence of skeletal variations, cervical ribs and extrasternal ossification sites were observed in pups when pregnant rabbits were orally dosed at 100 mg/kg (6 times the RMD based on body surface area comparisons) during organogenesis.
Rats exposed to voriconazole from implantation to weaning experienced increased gestational length and dystocia, which were associated with increased perinatal pup mortality at the 10 mg/kg dose [see Data ] . If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, inform the patient of the potential hazard to the fetus [see Warnings and Precautions (5.9) ] . The background risk of major birth defects and miscarriage for the indicated populations is unknown.
In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20% respectively. Data Animal Data Voriconazole was administered orally to pregnant rats during organogenesis (gestation days 6-17) at 10, 30, and 60 mg/kg/day. Voriconazole was associated with increased incidences of the malformations in hydroureter and hydronephrosis at 10 mg/kg/day or greater, approximately 0.3 times the recommended human dose (RMD) based on body surface area comparisons, and cleft palate at 60 mg/kg, approximately 2 times the RMD based on body surface area comparisons.
Reduced ossification of sacral and caudal vertebrae, skull, pubic, and hyoid bone, supernumerary ribs, anomalies of the sternebrae, and dilatation of the ureter/renal pelvis were also observed at doses of 10 mg/kg or greater. There was no evidence of maternal toxicity at any dose. Voriconazole was administered orally to pregnant rabbits during the period of organogenesis (gestation days 7-19) at 10, 40, and 100 mg/kg/day.
Voriconazole was associated with increased post-implantation loss and decreased fetal body weight, in association with maternal toxicity (decreased body weight gain and food consumption) at 100 mg/kg/day (6 times the RMD based on body surface area comparisons). Fetal skeletal variations (increases in the incidence of cervical rib and extra sternebral ossification sites) were observed at 100 mg/kg/day. In a peri- and postnatal toxicity study in rats, voriconazole was administered orally to female rats from implantation through the end of lactation at 1, 3, and 10 mg/kg/day.
Voriconazole prolonged the duration of gestation and labor and produced dystocia with related increases in maternal mortality and decreases in perinatal survival of F1 pups at 10 mg/kg/day, approximately 0.3 times the RMD.
🧒 Pediatric Use ▾
8.4Pediatric Use The safety and effectiveness of voriconazole have been established in pediatric patients aged 12 to 14 years weighing greater than or equal to 50 kg and those aged 15 years and older regardless of body weight based on evidence from adequate and well-controlled studies in adult and pediatric patients and additional pediatric pharmacokinetic and safety data. A total of 51 pediatric patients aged 12 to less than 18 [N=51] from eight adult therapeutic trials provided safety information for voriconazole use in the pediatric population [see Adverse Reactions (6.1) , Clinical Pharmacology (12.3) , and Clinical Studies (14) ] .
Safety and effectiveness in pediatric patients below the age of 2 years has not been established. Therefore, Voriconazole for injection is not recommended for pediatric patients less than 2 years of age. A higher frequency of liver enzyme elevations was observed in the pediatric patients [see Dosage and Administration (2.5) , Warnings and Precautions (5.1) , and Adverse Reactions (6.1) ] .
The frequency of phototoxicity reactions is higher in the pediatric population. Squamous cell carcinoma has been reported in patients who experience photosensitivity reactions. Stringent measures for photoprotection are warranted.
Sun avoidance and dermatologic follow-up are recommended in pediatric patients experiencing photoaging injuries, such as lentigines or ephelides, even after treatment discontinuation [see Warnings and Precautions (5.6) ]. Voriconazole for injection has not been studied in pediatric patients with hepatic or renal impairment [see Dosage and Administration (2.5 , 2.6) ] . Hepatic function and serum creatinine levels should be closely monitored in pediatric patients [see Dosage and Administration (2.6) and Warnings and Precautions (5.1 , 5.10) ] .
Additional pediatric use information is approved for PF PRISM C.V.'s VFEND (voriconazole) for injection. However, due to PF PRISM C.V.'s marketing exclusivity rights, this drug product is not labeled with that information.
🧓 Geriatric Use ▾
8.5Geriatric Use In multiple dose therapeutic trials of voriconazole, 9.2% of patients were ≥ 65 years of age and 1.8% of patients were ≥ 75 years of age. In a study in healthy subjects, the systemic exposure (AUC) and peak plasma concentrations (C max ) were increased in elderly males compared to young males. Pharmacokinetic data obtained from 552 patients from 10 voriconazole therapeutic trials showed that voriconazole plasma concentrations in the elderly patients were approximately 80% to 90% higher than those in younger patients after either IV or oral administration.
However, the overall safety profile of the elderly patients was similar to that of the young so no dosage adjustment is recommended [see Clinical Pharmacology (12.3) ] .
🆘 Overdosage ▾
10 OVERDOSAGE In clinical trials, there were three cases of accidental overdose. All occurred in pediatric patients who received up to five times the recommended intravenous dose of voriconazole. A single adverse event of photophobia of 10 minutes duration was reported.
There is no known antidote to voriconazole. Voriconazole is hemodialyzed with clearance of 121 mL/min. The intravenous vehicle, HPβCD, is hemodialyzed with clearance of 37.5±24 mL/min.
In an overdose, hemodialysis may assist in the removal of voriconazole and HPβCD from the body.
🧬 Clinical Pharmacology ▾
12 CLINICAL PHARMACOLOGY
12.1Mechanism of Action Voriconazole is an antifungal drug [see Microbiology (12.4) ] .
12.2Pharmacodynamics Exposure-Response Relationship For Efficacy and Safety In 10 clinical trials (N=1121), the median values for the average and maximum voriconazole plasma concentrations in individual patients across these studies was 2.51 µg/mL (inter-quartile range 1.21 to 4.44 µg/mL) and 3.79 µg/mL (inter-quartile range 2.06 to 6.31 µg/mL), respectively. A pharmacokinetic-pharmacodynamic analysis of patient data from 6 of these 10 clinical trials (N=280) could not detect a positive association between mean, maximum or minimum plasma voriconazole concentration and efficacy.
However, pharmacokinetic/pharmacodynamic analyses of the data from all 10 clinical trials identified positive associations between plasma voriconazole concentrations and rate of both liver function test abnormalities and visual disturbances [see Adverse Reactions (6) ] . Cardiac Electrophysiology A placebo-controlled, randomized, crossover study to evaluate the effect on the QT interval of healthy male and female subjects was conducted with three single oral doses of voriconazole and ketoconazole. Serial ECGs and plasma samples were obtained at specified intervals over a 24-hour post dose observation period.
The placebo-adjusted mean maximum increases in QTc from baseline after 800, 1200, and 1600 mg of voriconazole and after ketoconazole 800 mg were all <10 msec. Females exhibited a greater increase in QTc than males, although all mean changes were <10 msec. Age was not found to affect the magnitude of increase in QTc.
No subject in any group had an increase in QTc of ≥60 msec from baseline. No subject experienced an interval exceeding the potentially clinically relevant threshold of 500 msec. However, the QT effect of voriconazole combined with drugs known to prolong the QT interval is unknown [see Contraindications (4) and Drug Interactions (7) ] .
12.3Pharmacokinetics The pharmacokinetics of voriconazole have been characterized in healthy subjects, special populations and patients. The pharmacokinetics of voriconazole are non-linear due to saturation of its metabolism. The interindividual variability of voriconazole pharmacokinetics is high.
Greater than proportional increase in exposure is observed with increasing dose. It is estimated that, on average, increasing the intravenous dose from 3 mg/kg every 12 hours to 4 mg/kg every 12 hours produces an approximately 2.5-fold increase in exposure (Table 8). Table 8: Geometric Mean (%CV) Plasma Voriconazole Pharmacokinetic Parameters in Adults Receiving Different Dosing Regimens 6 mg/kg IV (loading dose) 3 mg/kg IV every 12 hours 4 mg/kg IV every 12 hours Note: Parameters were estimated based on non-compartmental analysis from 5 pharmacokinetic studies.
AUC 12 = area under the curve over 12 hour dosing interval, C max = maximum plasma concentration, C min = minimum plasma concentration. CV = coefficient of variation. N 35 23 40 AUC 12 (μg∙h/mL) 13.9 (32) 13.7 (53) 33.9 (54) C max (μg/mL) 3.13 (20) 3.03 (25) 4.77 (36) C min (μg/mL) -- 0.46 (97) 1.73 (74) When the recommended intravenous loading dose regimen is administered to healthy subjects, plasma concentrations close to steady state are achieved within the first 24 hours of dosing (e.g., 6 mg/kg IV every 12 hours on day 1 followed by 3 mg/kg IV every 12 hours).
Without the loading dose, accumulation occurs during twice daily multiple dosing with steady state plasma voriconazole concentrations being achieved by day 6 in the majority of subjects. Distribution The volume of distribution at steady state for voriconazole is estimated to be
4.6L/kg, suggesting extensive distribution into tissues. Plasma protein binding is estimated to be 58% and was shown to be independent of plasma concentrations (approximate range: 0.9–15 µg/mL). Varying degrees of hepatic and renal impairment do not affect the protein binding of voriconazole. Elimination… [Excerpted — this section continues on DailyMed.]
🧬 Mechanism of Action ▾
12.1Mechanism of Action Voriconazole is an antifungal drug [see Microbiology (12.4) ] .
📦 How Supplied / Storage and Handling ▾
16 HOW SUPPLIED/STORAGE AND HANDLING
16.1How Supplied Voriconazole for injection is supplied in a single dose-vial as a sterile white to off white lyophilized cake or powder equivalent to 200 mg voriconazole and 3,200 mg hydroxypropyl β-cyclodextrin (HPβCD). It does not contain preservatives and is not made with natural rubber latex. Individually packaged vials of Voriconazole for injection, 200 mg, NDC 70594-067-01.
16.2Storage Powder for Injection: Voriconazole for injection unreconstituted vials should be stored at 20°C – 25°C (68°F – 77°F); excursions permitted between 15°C and 30°C (59°F and 86°F) [see USP Controlled Room Temperature]. Reconstituted Drug Solution: From a microbiological point of view, following reconstitution of the lyophile with Water for Injection, the reconstituted solution should be used immediately. If not used immediately, in-use storage times and conditions prior to use are the responsibility of the user and should not be longer than 24 hours at 2°C to 8°C (36° to 46°F).
Chemical and physical in-use stability has been demonstrated for 24 hours at 2°C to 8°C (36° to 46°F). Discard Unused Portion [see Dosage and Administration (2.8) ] . Further Diluted Drug Solution for Infusion: Once the reconstituted product is further diluted for infusion, it should be used immediately.
Discard Unused Portion [see Dosage and Administration (2.8) ] . This medicinal product is for single use only and any unused solution should be discarded. Only clear solutions without particles should be used [see Dosage and Administration (2.8) ] .
16.1How Supplied Voriconazole for injection is supplied in a single dose-vial as a sterile white to off white lyophilized cake or powder equivalent to 200 mg voriconazole and 3,200 mg hydroxypropyl β-cyclodextrin (HPβCD). It does not contain preservatives and is not made with natural rubber latex. Individually packaged vials of Voriconazole for injection, 200 mg, NDC 70594-067-01.
📦 Storage and Handling ▾
16.2Storage Powder for Injection: Voriconazole for injection unreconstituted vials should be stored at 20°C – 25°C (68°F – 77°F); excursions permitted between 15°C and 30°C (59°F and 86°F) [see USP Controlled Room Temperature]. Reconstituted Drug Solution: From a microbiological point of view, following reconstitution of the lyophile with Water for Injection, the reconstituted solution should be used immediately. If not used immediately, in-use storage times and conditions prior to use are the responsibility of the user and should not be longer than 24 hours at 2°C to 8°C (36° to 46°F).
Chemical and physical in-use stability has been demonstrated for 24 hours at 2°C to 8°C (36° to 46°F). Discard Unused Portion [see Dosage and Administration (2.8) ] . Further Diluted Drug Solution for Infusion: Once the reconstituted product is further diluted for infusion, it should be used immediately.
Discard Unused Portion [see Dosage and Administration (2.8) ] . This medicinal product is for single use only and any unused solution should be discarded. Only clear solutions without particles should be used [see Dosage and Administration (2.8) ] .
📋 Description ▾
11 DESCRIPTION Voriconazole for injection, an azole antifungal is available as a sterile lyophilized cake or powder for solution for intravenous infusion. The structural formula is: Voriconazole is designated chemically as (2R,3S)-2-(2, 4-difluorophenyl)-3-(5-fluoro-4-pyrimidinyl)-1-(1 H -1,2,4-triazol-1-yl)-2-butanol with an empirical formula of C 16 H 14 F 3 N 5 O and a molecular weight of 349.3. Voriconazole drug substance is a white or almost white powder.
Voriconazole for injection is a white to off white lyophilized cake or powder containing nominally 200 mg voriconazole and 3200 mg hydroxypropyl β-cyclodextrin (HPβCD) in a 30 mL Type I clear glass vial. Voriconazole for injection is intended for administration by intravenous infusion. It is an unpreserved product in a single dose vial.
Vials containing 200 mg lyophilized voriconazole are intended for reconstitution with Water for Injection to produce a solution containing 10 mg/mL Voriconazole for injection and 160 mg/mL of hydroxypropyl β-cyclodextrin (HPβCD). The resultant solution is further diluted prior to administration as an intravenous infusion [see Dosage and Administration (2) ] . Chemical Structure
💬 Information for Patients ▾
17 PATIENT COUNSELING INFORMATION Visual Disturbances Patients should be instructed that visual disturbances such as blurring and sensitivity to light may occur with the use of voriconazole. Photosensitivity Advise patients of the risk of photosensitivity (with or without concomitant methotrexate), accelerated photoaging, and skin cancer. Advise patients that Voriconazole for injection can cause serious photosensitivity and to immediately contact their healthcare provider for new or worsening skin rash.
Advise patients to avoid exposure to direct sun light and to use measures such as protective clothing and sunscreen with high sun protection factor (SPF). Embryo-Fetal Toxicity Advise female patients of the potential risks to a fetus. Advise females of reproductive potential to use effective contraception during treatment with Voriconazole for injection.
🧬 Pharmacokinetics ▾
12.3Pharmacokinetics The pharmacokinetics of voriconazole have been characterized in healthy subjects, special populations and patients. The pharmacokinetics of voriconazole are non-linear due to saturation of its metabolism. The interindividual variability of voriconazole pharmacokinetics is high.
Greater than proportional increase in exposure is observed with increasing dose. It is estimated that, on average, increasing the intravenous dose from 3 mg/kg every 12 hours to 4 mg/kg every 12 hours produces an approximately 2.5-fold increase in exposure (Table 8). Table 8: Geometric Mean (%CV) Plasma Voriconazole Pharmacokinetic Parameters in Adults Receiving Different Dosing Regimens 6 mg/kg IV (loading dose) 3 mg/kg IV every 12 hours 4 mg/kg IV every 12 hours Note: Parameters were estimated based on non-compartmental analysis from 5 pharmacokinetic studies.
AUC 12 = area under the curve over 12 hour dosing interval, C max = maximum plasma concentration, C min = minimum plasma concentration. CV = coefficient of variation. N 35 23 40 AUC 12 (μg∙h/mL) 13.9 (32) 13.7 (53) 33.9 (54) C max (μg/mL) 3.13 (20) 3.03 (25) 4.77 (36) C min (μg/mL) -- 0.46 (97) 1.73 (74) When the recommended intravenous loading dose regimen is administered to healthy subjects, plasma concentrations close to steady state are achieved within the first 24 hours of dosing (e.g., 6 mg/kg IV every 12 hours on day 1 followed by 3 mg/kg IV every 12 hours).
Without the loading dose, accumulation occurs during twice daily multiple dosing with steady state plasma voriconazole concentrations being achieved by day 6 in the majority of subjects. Distribution The volume of distribution at steady state for voriconazole is estimated to be
4.6L/kg, suggesting extensive distribution into tissues. Plasma protein binding is estimated to be 58% and was shown to be independent of plasma concentrations (approximate range: 0.9–15 µg/mL). Varying degrees of hepatic and renal impairment do not affect the protein binding of voriconazole.
Elimination Metabolism In vitro studies showed that voriconazole is metabolized by the human hepatic cytochrome P450 enzymes, CYP2C19, CYP2C9 and CYP3A4 [see Drug Interactions (7) ] . In vivo studies indicated that CYP2C19 is significantly involved in the metabolism of voriconazole. This enzyme exhibits genetic polymorphism [see Clinical Pharmacology (12.5) ] .
The major metabolite of voriconazole is the N-oxide, which accounts for 72% of the circulating radiolabelled metabolites in plasma. Since this metabolite has minimal antifungal activity, it does not contribute to the overall efficacy of voriconazole. Excretion Voriconazole is eliminated via hepatic metabolism with less than 2% of the dose excreted unchanged in the urine.
After administration of a single radiolabelled dose of IV voriconazole, preceded by multiple IV dosing, approximately 80% to 83% of the radioactivity is recovered in the urine. The majority (>94%) of the total radioactivity is excreted in the first 96 hours after intravenous dosing. As a result of non-linear pharmacokinetics, the terminal half-life of voriconazole is dose dependent and therefore not useful in predicting the accumulation or elimination of voriconazole.
Specific Populations Male and Female Patients In a multiple oral dose study, the mean C max and AUC τ for healthy young females were 83% and 113% higher, respectively, than in healthy young males (18–45 years), after tablet dosing. In the same study, no significant differences in the mean C max and AUC τ were observed between healthy elderly males and healthy elderly females (>65 years). In a similar study, after dosing with the oral suspension, the mean AUC for healthy young females was 45% higher than in healthy young males whereas the mean C max was comparable between genders.
The steady state trough voriconazole concentrations (C min ) seen in females were 100% and 91% higher than in males receiving the tablet and the oral suspension, respectively. In the cli… [Excerpted — this section continues on DailyMed.]
🧬 Pharmacodynamics ▾
12.2Pharmacodynamics Exposure-Response Relationship For Efficacy and Safety In 10 clinical trials (N=1121), the median values for the average and maximum voriconazole plasma concentrations in individual patients across these studies was 2.51 µg/mL (inter-quartile range 1.21 to 4.44 µg/mL) and 3.79 µg/mL (inter-quartile range 2.06 to 6.31 µg/mL), respectively. A pharmacokinetic-pharmacodynamic analysis of patient data from 6 of these 10 clinical trials (N=280) could not detect a positive association between mean, maximum or minimum plasma voriconazole concentration and efficacy.
However, pharmacokinetic/pharmacodynamic analyses of the data from all 10 clinical trials identified positive associations between plasma voriconazole concentrations and rate of both liver function test abnormalities and visual disturbances [see Adverse Reactions (6) ] . Cardiac Electrophysiology A placebo-controlled, randomized, crossover study to evaluate the effect on the QT interval of healthy male and female subjects was conducted with three single oral doses of voriconazole and ketoconazole. Serial ECGs and plasma samples were obtained at specified intervals over a 24-hour post dose observation period.
The placebo-adjusted mean maximum increases in QTc from baseline after 800, 1200, and 1600 mg of voriconazole and after ketoconazole 800 mg were all <10 msec. Females exhibited a greater increase in QTc than males, although all mean changes were <10 msec. Age was not found to affect the magnitude of increase in QTc.
No subject in any group had an increase in QTc of ≥60 msec from baseline. No subject experienced an interval exceeding the potentially clinically relevant threshold of 500 msec. However, the QT effect of voriconazole combined with drugs known to prolong the QT interval is unknown [see Contraindications (4) and Drug Interactions (7) ] .
🔬 Clinical Studies ▾
14 CLINICAL STUDIES Voriconazole, administered orally or parenterally, has been evaluated as primary or salvage therapy in 520 patients aged 12 years and older with infections caused by Aspergillus spp., Fusarium spp., and Scedosporium spp.
14.1Invasive Aspergillosis (IA) Voriconazole was studied in patients for primary therapy of IA (randomized, controlled study 307/602), for primary and salvage therapy of aspergillosis (non-comparative study 304) and for treatment of patients with IA who were refractory to, or intolerant of, other antifungal therapy (non-comparative study 309/604). Study 307/602 – Primary Therapy of Invasive Aspergillosis The efficacy of voriconazole compared to amphotericin B in the primary treatment of acute IA was demonstrated in 277 patients treated for 12 weeks in a randomized, controlled study (Study 307/602).
The majority of study patients had underlying hematologic malignancies, including bone marrow transplantation. The study also included patients with solid organ transplantation, solid tumors, and AIDS. The patients were mainly treated for definite or probable IA of the lungs.
Other aspergillosis infections included disseminated disease, CNS infections and sinus infections. Diagnosis of definite or probable IA was made according to criteria modified from those established by the National Institute of Allergy and Infectious Diseases Mycoses Study Group/European Organisation for Research and Treatment of Cancer (NIAID MSG/EORTC). Voriconazole was administered intravenously with a loading dose of 6 mg/kg every 12 hours for the first 24 hours followed by a maintenance dose of 4 mg/kg every 12 hours for a minimum of 7 days.
Therapy could then be switched to the oral formulation at a dose of 200 mg every 12 hours. Median duration of IV voriconazole therapy was 10 days (range 2–85 days). After IV voriconazole therapy, the median duration of PO voriconazole therapy was 76 days (range 2–232 days).
Patients in the comparator group received conventional amphotericin B as a slow infusion at a daily dose of 1.0–1.5 mg/kg/day. Median duration of IV amphotericin therapy was 12 days (range 1–85 days). Treatment was then continued with OLAT, including itraconazole and lipid amphotericin B formulations.
Although initial therapy with conventional amphotericin B was to be continued for at least two weeks, actual duration of therapy was at the discretion of the investigator. Patients who discontinued initial randomized therapy due to toxicity or lack of efficacy were eligible to continue in the study with OLAT treatment. A satisfactory global response at 12 weeks (complete or partial resolution of all attributable symptoms, signs, radiographic/bronchoscopic abnormalities present at baseline) was seen in 53% of voriconazole treated patients compared to 32% of amphotericin B treated patients (Table 11).
A benefit of voriconazole compared to amphotericin B on patient survival at Day 84 was seen with a 71% survival rate on voriconazole compared to 58% on amphotericin B (Table 9). Table 9 also summarizes the response (success) based on mycological confirmation and species. Table 9: Overall Efficacy and Success by Species in the Primary Treatment of Acute Invasive Aspergillosis Study 307/602 Voriconazole Ampho B Amphotericin B followed by other licensed antifungal therapy Stratified Difference (95% CI) Difference and corresponding 95% confidence interval are stratified by protocol n/N (%) n/N (%) Efficacy as Primary Therapy Satisfactory Global Response Assessed by independent Data Review Committee (DRC) 76/144 (53) 42/133 (32) 21.8% (10.5%, 33.0%) p<0.0001 Survival at Day 84 Proportion of subjects alive 102/144 (71) 77/133 (58) 13.1% (2.1%, 24.2%) Success by Species Success n/N (%) Overall success 76/144 (53) 42/133 (32) Mycologically confirmed Not all mycologically confirmed specimens were speciated 37/84 (44) 16/67 (24) Aspergillus spp.
Some patients had more than one species isolated at baseline A. fumigatus 28/63 (44)… [Excerpted — this section continues on DailyMed.]
🧪 Nonclinical Toxicology ▾
13 NONCLINICAL TOXICOLOGY
13.1Carcinogenesis, Mutagenesis, Impairment of Fertility Two-year carcinogenicity studies were conducted in rats and mice. Rats were given oral doses of 6, 18 or 50 mg/kg voriconazole, or 0.2, 0.6, or 1.6 times the RMD on a body surface area basis. Hepatocellular adenomas were detected in females at 50 mg/kg and hepatocellular carcinomas were found in males at 6 and 50 mg/kg.
Mice were given oral doses of 10, 30 or 100 mg/kg voriconazole, or 0.1, 0.4, or 1.4 times the RMD on a body surface area basis. In mice, hepatocellular adenomas were detected in males and females and hepatocellular carcinomas were detected in males at 1.4 times the RMD of voriconazole. Voriconazole demonstrated clastogenic activity (mostly chromosome breaks) in human lymphocyte cultures in vitro .
Voriconazole was not genotoxic in the Ames assay, CHO HGPRT assay, the mouse micronucleus assay or the in vivo DNA repair test (Unscheduled DNA Synthesis assay). Voriconazole administration induced no impairment of male or female fertility in rats dosed at 50 mg/kg, or 1.6 times the RMD.
📄 Carcinogenesis, Mutagenesis, Impairment of Fertility ▾
13.1Carcinogenesis, Mutagenesis, Impairment of Fertility Two-year carcinogenicity studies were conducted in rats and mice. Rats were given oral doses of 6, 18 or 50 mg/kg voriconazole, or 0.2, 0.6, or 1.6 times the RMD on a body surface area basis. Hepatocellular adenomas were detected in females at 50 mg/kg and hepatocellular carcinomas were found in males at 6 and 50 mg/kg.
Mice were given oral doses of 10, 30 or 100 mg/kg voriconazole, or 0.1, 0.4, or 1.4 times the RMD on a body surface area basis. In mice, hepatocellular adenomas were detected in males and females and hepatocellular carcinomas were detected in males at 1.4 times the RMD of voriconazole. Voriconazole demonstrated clastogenic activity (mostly chromosome breaks) in human lymphocyte cultures in vitro .
Voriconazole was not genotoxic in the Ames assay, CHO HGPRT assay, the mouse micronucleus assay or the in vivo DNA repair test (Unscheduled DNA Synthesis assay). Voriconazole administration induced no impairment of male or female fertility in rats dosed at 50 mg/kg, or 1.6 times the RMD.
📄 Recent Major Changes ▾
Contraindications ( 4 ) 1/2023 Warnings and Precautions, Photosensitivity ( 5.6 ) 1/2023
📄 Package Label / Principal Display Panel ▾
PRINCIPAL DISPLAY PANEL - 200 MG Vial Label NDC 70594-067-01 Rx Only Voriconazole for Injection 200 MG* per vial Not made with natural rubber latex No Preservatives Sterile Single Dose Vial Must be reconstituted then diluted For Intravenous Infusion Only Discard Unused Portion PRINCIPAL DISPLAY PANEL - 200 MG Vial Label
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