ABACAVIR, LAMIVUDINE AND ZIDOVUDINE 150 mg; 300 mg; 300 mg Tablet, 60-count
🆔 Identity & classification
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🏷️ RxNorm drug class
This medicine belongs to the Human Immunodeficiency Virus Nucleoside Analog Reverse Transcriptase Inhibitor class.
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🏭 Manufacturer & labeler
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🩺 Clinical
The combination of abacavir, lamivudine and zidovudine is used to treat human immunodeficiency virus (HIV) infection. Abacavir, lamivudine and zidovudine are in a class of medications called nucleoside reverse transcriptase inhibitors (NRTIs). They work by decreasing the amount of HIV in the blood. Although the combination of abacavir, lamivudine and zidovudine will not cure HIV, it may decrease your chance of developing acquired immunodeficiency syndrome (AIDS) and HIV-related illnesses. Taking these medications along and making other lifestyle changes may decrease the risk of giving the HIV...
Read the full MedlinePlus article ↗- No, it doesn't cure HIV, but it's a very important tool for controlling it. The three medicines in this tablet work together to block HIV from copying itself in your body. When the...
- What exactly does this medicine do — does it cure HIV?
- This is the most important safety thing to know about this medicine. Some people have a serious whole-body allergic reaction to the abacavir ingredient, usually within the first si...
- What is the abacavir allergy reaction, and how would I know if I'm having it?
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🧪 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.
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UNII OP1R32D61U
Microcrystalline cellulose is a purified form of cellulose, a natural fiber from plant sources. It acts as a binder and filler in tablets and capsules, helping hold ingredients together and give the medicine its shape and size.
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UNII 2S7830E561
Crospovidone is a synthetic polymer derived from povidone. It acts as a disintegrant, helping the tablet or capsule break apart quickly in the stomach so the active ingredient can be absorbed.
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UNII L06K8R7DQK
A synthetic blue dye approved by the FDA for use in medications and foods. It serves as a colorant to make pills and liquids visually distinct and easier to identify.
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UNII EX438O2MRT
Ferric oxide yellow is a naturally occurring iron compound used as a colorant in medications. It gives tablets, capsules, and other forms a yellow or golden hue for identification and appearance.
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UNII 70097M6I30
Magnesium stearate is a salt made from magnesium and stearic acid, a fatty substance. It's used in tablets and capsules as a lubricant and glidant to help ingredients flow smoothly during manufacturing and prevent sticking.
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UNII 3WJQ0SDW1A
Polyethylene glycol is a synthetic liquid or solid polymer used in medicines as a solvent, lubricant, and humectant. It helps dissolve active ingredients, reduces friction during manufacturing, and retains moisture in the final product.
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UNII 532B59J990
Polyvinyl alcohol is a synthetic polymer made from plant-derived materials. It's used as a binder to hold ingredients together, a film-former in coatings, and a thickener in liquid formulations.
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UNII FZ989GH94E
Povidone is a synthetic polymer made from a plastic-like material. It acts as a binder to hold tablet ingredients together and as a disintegrant to help the tablet break apart in your stomach so the medicine can be absorbed.
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UNII 7SEV7J4R1U
A powder made from a naturally occurring mineral. In medicines, talc works as a glidant and anti-caking agent, helping tablets and capsules flow smoothly during manufacturing and preventing clumping.
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UNII 15FIX9V2JP
Titanium dioxide is a bright white mineral powder commonly used as a colorant and opacifying agent. It makes pills and tablets white or lighter in color and helps make coatings non-transparent.
10 inactive ingredients listed in the exact product block matched to this NDC.
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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.Inactive ingredient FAQ
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💲 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 each | 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 · quarterly | No Part D plan price is available for this NDC in our data. | |
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🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Abacavir, Lamivudine And Zidovudine 150 mg/1; 300 mg/1; 300 mgthis 68180-0286-07 | Lupin | 60 tablets | — | — | Discontinued | — |
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⏳ Availability & generic status
This product is an FDA-approved generic. Other versions of the same drug are listed under Therapeutic equivalents, least expensive first.
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📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 68180-0286-01 | 1 BOTTLE in 1 CARTON (68180-286-01) / 100 TABLET in 1 BOTTLE | 2013-12-17 | Active |
| 68180-0286-02 | 1 BOTTLE in 1 CARTON (68180-286-02) / 500 TABLET in 1 BOTTLE | 2013-12-17 | Active |
| 68180-0286-07 You're viewing this | 1 BOTTLE in 1 CARTON (68180-286-07) / 60 TABLET in 1 BOTTLE | 2013-12-17 | Discontinued by firm |
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🧭 About this NDC listing & data coverage
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| NDC identity (package / product / labeler codes) | ✓ Available |
| Labeler | ✓ Available |
| Product & package description | ✓ Available |
| Marketing category & status | ✓ Available |
| Active ingredient / dosage form / route | ✓ Available |
| FDA label (SPL via DailyMed) | ✓ Available |
| Package photos | ✓ Available |
| Inactive ingredients (structured) | ✓ Available |
| NADAC pharmacy acquisition price (CMS) | — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey. |
| Orange Book / therapeutic-equivalence data | — Not published for this NDC Applies only to products approved under an NDA/ANDA; many listings are out of scope. |
| HCPCS J-code billing crosswalk | — Not published for this NDC Most self-administered / retail products have no J-code — that is normal. |
| Medicaid utilization (CMS SDUD) | — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold. |
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📄 Full prescribing information FDA SPL
🚨 Boxed Warning ▾
WARNING: HYPERSENSITIVITY REACTIONS, HEMATOLOGIC TOXICITY, MYOPATHY, LACTIC ACIDOSIS AND SEVERE HEPATOMEGALY WITH STEATOSIS, and EXACERBATIONS OF HEPATITIS B WARNING: HYPERSENSITIVITY REACTIONS, HEMATOLOGIC TOXICITY, MYOPATHY, LACTIC ACIDOSIS AND SEVERE HEPATOMEGALY WITH STEATOSIS, and EXACERBATIONS OF HEPATITIS B See full prescribing information for complete boxed warning. Hypersensitivity Reactions Serious and sometimes fatal hypersensitivity reactions have occurred with abacavir-containing products. ( 5.1 ) Hypersensitivity to abacavir is a multi-organ clinical syndrome.
( 5.1 ) Patients who carry the HLA-B*5701 allele are at a higher risk of experiencing a hypersensitivity reaction to abacavir. ( 5.1 ) Abacavir, lamivudine and zidovudine tablets are contraindicated in patients with a prior hypersensitivity reaction to abacavir and in HLA-B*5701-positive patients. ( 4 ) Discontinue abacavir, lamivudine and zidovudine tablets as soon as a hypersensitivity reaction is suspected.
Regardless of HLA-B*5701 status, permanently discontinue abacavir, lamivudine and zidovudine tablets if hypersensitivity cannot be ruled out, even when other diagnoses are possible. ( 5.1 ) Following a hypersensitivity reaction to abacavir, lamivudine and zidovudine tablets NEVER restart abacavir, lamivudine and zidovudine tablets or any other abacavir-containing product. ( 5.1 ) Hematologic Toxicity Hematologic toxicity, including neutropenia and anemia, has been associated with the use of zidovudine, a component of abacavir, lamivudine and zidovudine tablets .
( 5.2 ) Myopathy Symptomatic myopathy associated with prolonged use of zidovudine. ( 5.3 ) Lactic Acidosis and Severe Hepatomegaly with Steatosis Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogues, including abacavir, lamivudine, and zidovudine (components of abacavir, lamivudine and zidovudine tablets). Suspend treatment if clinical or laboratory findings suggestive of lactic acidosis or pronounced hepatotoxicity occur.
( 5.4 ) Exacerbations of Hepatitis B Severe acute exacerbations of hepatitis B have been reported in patients who are co-infected with hepatitis B virus (HBV) and human immunodeficiency virus (HIV-1) and have discontinued lamivudine, a component of abacavir, lamivudine and zidovudine tablets. Monitor hepatic function closely in these patients and, if appropriate, initiate anti-hepatitis B treatment. ( 5.5 ) Hypersensitivity Reactions Serious and sometimes fatal hypersensitivity reactions, with multiple organ involvement, have occurred with abacavir, a component of abacavir, lamivudine and zidovudine tablets.
Patients who carry the HLA-B*5701 allele are at a higher risk of a hypersensitivity reaction to abacavir; although, hypersensitivity reactions have occurred in patients who do not carry the HLA-B*5701 allele [see WARNINGS AND PRECAUTIONS ( 5.1 )] . Abacavir, lamivudine and zidovudine tablets are contraindicated in patients with a prior hypersensitivity reaction to abacavir and in HLA-B*5701-positive patients [see CONTRAINDICATIONS ( 4 ), WARNINGS AND PRECAUTIONS ( 5.1 )]. All patients should be screened for the HLA-B*5701 allele prior to initiating therapy with abacavir, lamivudine and zidovudine tablets or reinitiation of therapy with abacavir, lamivudine and zidovudine tablets, unless patients have a previously documented HLA-B*5701 allele assessment.
Discontinue abacavir, lamivudine and zidovudine tablets immediately if a hypersensitivity reaction is suspected, regardless of HLA-B*5701 status and even when other diagnoses are possible [see CONTRAINDICATIONS ( 4 ), WARNINGS AND PRECAUTIONS ( 5.1 )] . Following a hypersensitivity reaction to abacavir, lamivudine and zidovudine tablets, NEVER restart abacavir, lamivudine and zidovudine tablets or any other abacavir-containing product because more severe symptoms, including death, can occur within hours. Similar severe reactions have also oc…
🎯 Indications and Usage ▾
1 INDICATIONS AND USAGE Abacavir, lamivudine and zidovudine tablet, a combination of abacavir, lamivudine, and zidovudine, each nucleoside analogue HIV-1 reverse transcriptase inhibitors, is indicated in combination with other antiretroviral agents for the treatment of HIV-1 infection.( 1 ) Abacavir, lamivudine and zidovudine tablet is indicated in combination with other antiretrovirals or alone for the treatment of human immunodeficiency virus type 1 (HIV-1) infection. Limitations of Use: Limited data exist on the use of abacavir, lamivudine and zidovudine tablets alone in patients with higher baseline viral load levels (greater than 100,000 copies per mL) [see CLINICAL STUDIES ( 14 )] .
⏱️ Dosage and Administration ▾
2 DOSAGE AND ADMINISTRATION Before initiating abacavir, lamivudine and zidovudine tablets, screen for the HLA-B*5701 allele because abacavir, lamivudine and zidovudine tablet contains abacavir. ( 2.1 ) Adults and pediatric patients weighing at least 40 kg: 1 tablet twice daily. ( 2.2 ) Because abacavir, lamivudine and zidovudine tablet is a fixed-dose tablet and cannot be dose adjusted, abacavir, lamivudine and zidovudine tablets are not recommended in patients requiring dosage adjustment or patients with hepatic impairment.
( 2.3 , 4 )
2.1Screening for HLA-B*5701 Allele prior to Starting Abacavir, Lamivudine and Zidovudine Tablets Screen for the HLA-B*5701 allele prior to initiating therapy with abacavir, lamivudine and zidovudine tablets [see BOXED WARNING , WARNINGS AND PRECAUTIONS ( 5.1 )] .
2.2Recommended Dosage for Adults and Pediatric Patients Weighing at Least 40 kg The recommended dosage of abacavir, lamivudine and zidovudine tablet is one tablet taken orally twice daily with or without food.
2.3Not Recommended Due to Lack of Dosage Adjustment Because abacavir, lamivudine and zidovudine tablet is a fixed-dose tablet and cannot be dose adjusted, abacavir, lamivudine and zidovudine tablet is not recommended for: pediatric patients who weigh less than 40 kg [see USE IN SPECIFIC POPULATIONS ( 8.4 )]. patients with creatinine clearance less than 50 mL per minute [see USE IN SPECIFIC POPULATIONS ( 8.6 )]. patients with mild hepatic impairment. Abacavir, lamivudine and zidovudine tablet is contraindicated in patients with moderate or severe hepatic impairment [see CONTRAINDICATIONS ( 4 ), USE IN SPECIFIC POPULATIONS ( 8.7 )] .
💊 Dosage Forms and Strengths ▾
3 DOSAGE FORMS AND STRENGTHS Tablets: 300 mg abacavir, 150 mg lamivudine, and 300 mg zidovudine. ( 3 ) Abacavir, lamivudine and zidovudine tablets contain 300 mg of abacavir as abacavir sulfate, 150 mg of lamivudine, and 300 mg of zidovudine. The tablets are blue-green colored, oval shaped, biconvex, film-coated, debossed with "LU" on one side and "N51" on the other side.
⛔ Contraindications ▾
4 CONTRAINDICATIONS Presence of HLA-B*5701 allele. ( 4 ) Prior hypersensitivity reaction to abacavir, lamivudine, or zidovudine ( 4 ) Moderate or severe hepatic impairment. ( 4 , 8.7 ) Abacavir, lamivudine and zidovudine tablets are contraindicated in patients: who have the HLA-B*5701 allele [see WARNINGS AND PRECAUTIONS ( 5.1 )]. with prior hypersensitivity reaction to abacavir [see WARNINGS AND PRECAUTIONS ( 5.1 )], lamivudine, or zidovudine. with moderate or severe hepatic impairment [see USE IN SPECIFIC POPULATIONS ( 8.7 )] .
⚠️ Warnings and Cautions ▾
5 WARNINGS AND PRECAUTIONS Hepatic decompensation, some fatal, has occurred in HIV-1/HCV co-infected patients receiving combination antiretroviral therapy and interferon alfa with or without ribavirin. Discontinue abacavir, lamivudine and zidovudine tablets as medically appropriate and consider dose reduction or discontinuation of interferon alfa, ribavirin, or both. ( 5.6 ) Exacerbation of anemia has been reported in HIV-1/HCV co-infected patients receiving ribavirin and zidovudine.
Coadministration of ribavirin and zidovudine is not advised. ( 5.6 ) Immune reconstitution syndrome and lipoatrophy have been reported in patients treated with combination antiretroviral therapy. ( 5.
7, 5.8 )
5.1Hypersensitivity Reactions Serious and sometimes fatal hypersensitivity reactions have occurred with abacavir, a component of abacavir, lamivudine and zidovudine tablets. These hypersensitivity reactions have included multi-organ failure and anaphylaxis and typically occurred within the first 6 weeks of treatment with abacavir (median time to onset was 9 days); although abacavir hypersensitivity reactions have occurred any time during treatment [see ADVERSE REACTIONS ( 6.1 )] . Patients who carry the HLA-B*5701 allele are at a higher risk of abacavir hypersensitivity reactions; although, patients who do not carry the HLA-B*5701 allele have developed hypersensitivity reactions.
Hypersensitivity to abacavir was reported in approximately 206 (8%) of 2,670 patients in 9 clinical trials with abacavir-containing products where HLA-B*5701 screening was not performed. The incidence of suspected abacavir hypersensitivity reactions in clinical trials was 1% when subjects carrying the HLA-B*5701 allele were excluded. In any patient treated with abacavir, the clinical diagnosis of hypersensitivity reaction must remain the basis of clinical decision making.
Due to the potential for severe, serious, and possibly fatal hypersensitivity reactions with abacavir: All patients should be screened for the HLA-B*5701 allele prior to initiating therapy with abacavir, lamivudine and zidovudine tablets or reinitiation of therapy with abacavir, lamivudine and zidovudine tablets, unless patients have a previously documented HLA-B*5701 allele assessment. Abacavir, lamivudine, and zidovudine tablets are contraindicated in patients with a prior hypersensitivity reaction to abacavir and in HLA-B*5701-positive patients.
Before starting abacavir, lamivudine and zidovudine tablets, review medical history for prior exposure to any abacavir-containing product. NEVER restart abacavir, lamivudine and zidovudine tablets or any other abacavir-containing product following a hypersensitivity reaction to abacavir, regardless of HLA-B*5701 status. To reduce the risk of a life-threatening hypersensitivity reaction, regardless of HLA-B*5701 status, discontinue abacavir, lamivudine and zidovudine tablets immediately if a hypersensitivity reaction is suspected, even when other diagnoses are possible (e.g., acute onset respiratory diseases such as pneumonia, bronchitis, pharyngitis, or influenza; gastroenteritis; or reactions to other medications).
If a hypersensitivity reaction cannot be ruled out, do not restart abacavir, lamivudine and zidovudine tablets or any other abacavir-containing products because more severe symptoms, which may include life-threatening hypotension and death, can occur within hours. If a hypersensitivity reaction is ruled out, patients may restart abacavir, lamivudine and zidovudine tablets. Rarely, patients who have stopped abacavir for reasons other than symptoms of hypersensitivity have also experienced life-threatening reactions within hours of reinitiating abacavir therapy.
Therefore, reintroduction of abacavir, lamivudine and zidovudine tablets or any other abacavir-containing product is recommended only if medical care can be readily accessed. A Medication Guide and Warning Card that provide information about recognition of abacavir hypersensitivity rea…
🤒 Adverse Reactions ▾
6 ADVERSE REACTIONS The most commonly reported adverse reactions (incidence at least 10%) in clinical trials were nausea, headache, malaise and fatigue, and nausea and vomiting. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Lupin Pharmaceuticals, Inc. at 1-800-399-2561 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . The following adverse reactions are discussed in other sections of the labeling: Serious and sometimes fatal hypersensitivity reactions [see BOXED WARNING , WARNINGS AND PRECAUTIONS ( 5.1 )] .
Hematologic toxicity, including neutropenia and anemia [see BOXED WARNING , WARNINGS AND PRECAUTIONS ( 5.2 )] . Symptomatic myopathy [see BOXED WARNING , WARNINGS AND PRECAUTIONS ( 5.3 )] . Lactic acidosis and severe hepatomegaly with steatosis [see BOXED WARNING , WARNINGS AND PRECAUTIONS ( 5.4 )] .
Exacerbations of hepatitis B [see BOXED WARNING , WARNINGS AND PRECAUTIONS ( 5.5 )] . Hepatic decompensation in patients co-infected with HIV-1 and hepatitis C [see WARNINGS AND PRECAUTIONS ( 5.6 )] . Exacerbation of anemia in HIV-1/HCV co-infected patients receiving ribavirin and zidovudine [see WARNINGS AND PRECAUTIONS ( 5.6 )] .
Immune reconstitution syndrome [see WARNINGS AND PRECAUTIONS ( 5.7 )] . Lipoatrophy [see WARNINGS AND PRECAUTIONS ( 5.8 )] . Myocardial infarction [see WARNINGS AND PRECAUTIONS ( 5.9 )] .
6.1Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared with rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice. Serious and Fatal Abacavir-Associated Hypersensitivity Reactions In clinical trials, serious and sometimes fatal hypersensitivity reactions have occurred with abacavir, a component of abacavir, lamivudine and zidovudine tablets [see BOXED WARNING , WARNINGS AND PRECAUTIONS ( 5.1 )].
These reactions have been characterized by 2 or more of the following signs or symptoms: (1) fever; (2) rash; (3) gastrointestinal symptoms (including nausea, vomiting, diarrhea, or abdominal pain); (4) constitutional symptoms (including generalized malaise, fatigue, or achiness); (5) respiratory symptoms (including dyspnea, cough, or pharyngitis). Almost all abacavir hypersensitivity reactions include fever and/or rash as part of the syndrome. Other signs and symptoms have included lethargy, headache, myalgia, edema, arthralgia, and paresthesia.
Anaphylaxis, liver failure, renal failure, hypotension, adult respiratory distress syndrome, respiratory failure, myolysis, and death have occurred in association with these hypersensitivity reactions. Physical findings have included lymphadenopathy, mucous membrane lesions (conjunctivitis and mouth ulcerations), and maculopapular or urticarial rash (although some patients had other types of rashes and others did not have a rash). There were reports of erythema multiforme.
Laboratory abnormalities included elevated liver chemistries, elevated creatine phosphokinase, elevated creatinine, and lymphopenia, and abnormal chest x-ray findings (predominantly infiltrates, which were localized). Additional Adverse Reactions with Use of Abacavir, Lamivudine and Zidovudine Tablets Treatment-emergent clinical adverse reactions (rated by the investigator as moderate or severe) with a frequency greater than or equal to 5% during therapy with abacavir 300 mg twice daily, lamivudine 150 mg twice daily, and zidovudine 300 mg twice daily compared with indinavir 800 mg 3 times daily, lamivudine 150 mg twice daily, and zidovudine 300 mg twice daily from CNA3005 are listed in Table 1.
Table 1. Treatment-Emergent (All Causality) Adverse Reactions of at Least Moderate Intensity (Grades 2 to 4, Greater than or Equal to 5% Frequency) in Therapy-Naive Adults (CNA3005) through 48 Weeks of Treatment Adverse Reaction ZIAGEN ® plus Lamivudine / Zidovudine ( n = 262 ) Indinavir plus Lamivudine / Zidovudine ( n = 264…
🔄 Drug Interactions ▾
7 DRUG INTERACTIONS Methadone: An increased methadone dose may be required in a small number of patients. ( 7.1 ) Riociguat: The riociguat dose may need to be reduced. ( 7.1 ) Sorbitol: Coadministration of lamivudine and sorbitol may decrease lamivudine concentrations; when possible, avoid chronic coadministration.
( 7.2 ) Agents antagonistic with zidovudine: Concomitant use should be avoided. ( 7.3 ) Hematologic/bone marrow suppressive/cytotoxic agents: May increase the hematologic toxicity of zidovudine. ( 7.3 )
7.1Abacavir Methadone In a trial of 11 HIV-1-infected subjects receiving methadone-maintenance therapy with 600 mg of ZIAGEN ® twice daily (twice the currently recommended dose), oral methadone clearance increased [see CLINICAL PHARMACOLOGY ( 12.3 )] . This alteration will not result in a methadone dose modification in the majority of patients; however, an increased methadone dose may be required in a small number of patients. Riociguat Coadministration with fixed-dose abacavir/dolutegravir/lamivudine resulted in increased riociguat exposure, which may increase the risk of riociguat adverse reactions [ see Clinical Pharmacology ( 12.3 ) ].
The riociguat dose may need to be reduced. See full prescribing information for ADEMPAS (riociguat).
7.2Lamivudine Sorbitol Coadministration of single doses of lamivudine and sorbitol resulted in a sorbitol dose-dependent reduction in lamivudine exposures. When possible, avoid use of sorbitol-containing medicines with lamivudine-containing medicines [see CLINICAL PHARMACOLOGY ( 12.3 )] .
7.3Zidovudine Agents Antagonistic with Zidovudine Concomitant use of zidovudine with the following drugs should be avoided since an antagonistic relationship has been demonstrated in vitro : Stavudine Doxorubicin Nucleoside analogues, e.g., ribavirin Hematologic/Bone Marrow Suppressive/Cytotoxic Agents Coadministration with the following drugs may increase the hematologic toxicity of zidovudine: Ganciclovir Interferon alfa Ribavirin Other bone marrow suppressive or cytotoxic agents
👥 Use in Specific Populations ▾
8 USE IN SPECIFIC POPULATIONS Lactation: Women infected with HIV should be instructed not to breastfeed due to potential for HIV transmission. ( 8.2 )
8.1Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to abacavir, lamivudine and zidovudine tablets during pregnancy. Healthcare providers are encouraged to register patients by calling the Antiretroviral Pregnancy Registry (APR) at 1-800-258-4263. Risk Summary Available data from the APR show no difference in the overall risk of birth defects for abacavir, lamivudine, or zidovudine compared with the background rate for birth defects of 2.7% in the Metropolitan Atlanta Congenital Defects Program (MACDP) reference population [see Data] .
The APR uses the MACDP as the U.S. reference population for birth defects in the general population. The MACDP evaluates women and infants from a limited geographic area and does not include outcomes for births that occurred at less than 20 weeks' gestation. The rate of miscarriage is not reported in the APR.
The estimated background rate of miscarriage in clinically recognized pregnancies in the U.S. general population is 15% to 20%. The background risk for major birth defects and miscarriage for the indicated population is unknown. Hyperlactatemia, which may be due to mitochondrial dysfunction, has been reported in infants with in utero exposure to zidovudine-containing products.
These events were transient and asymptomatic in most cases. There have been few reports of developmental delay, seizures, and other neurological disease. However, a causal relationship between these events and exposure to zidovudine-containing products in utero or peri-partum has not been established (see Data) .
In animal reproduction studies, oral administration of abacavir to pregnant rats during organogenesis resulted in fetal malformations and other embryonic and fetal toxicities at exposures 35 times the human exposure (AUC) at the recommended clinical daily dose. However, no adverse developmental effects were observed following oral administration of abacavir to pregnant rabbits during organogenesis, at exposures approximately 9 times the human exposure (AUC) at the recommended clinical dose. Oral administration of lamivudine to pregnant rabbits during organogenesis resulted in embryolethality at systemic exposure (AUC) similar to the recommended clinical dose; however, no adverse development effects were observed with oral administration of lamivudine to pregnant rats during organogenesis at plasma concentrations (C max ) 35 times the recommended clinical dose.
Administration of oral zidovudine to female rats prior to mating and throughout gestation resulted in embryotoxicity at doses that produced systemic exposure (AUC) approximately 33 times higher than exposure at the recommended clinical dose. However, no embryotoxicity was observed after oral administration of zidovudine to pregnant rats during organogenesis at doses that produced systemic exposure (AUC) approximately 117 times higher than exposures at the recommended clinical dose. Administration of oral zidovudine to pregnant rabbits during organogenesis resulted in embryotoxicity at doses that produced systemic exposure (AUC) approximately 108 times higher than exposure at the recommended clinical dose.
However, no embryotoxicity was observed at doses that produced systemic exposure (AUC) approximately 23 times higher than exposures at the recommended clinical dose (see Data). Data Human Data: Abacavir Based on prospective reports to the APR of exposures to abacavir during pregnancy resulting in live births (including over 1,300 exposed in the first trimester and over 1,300 exposed in the second/third trimester), there was no difference between the overall risk of birth defects for abacavir compared with the background birth defect rate of 2.7% in a U.S. reference population of the MACDP.
The prevalence of defects in live bir…
🤰 Pregnancy ▾
8.1Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to abacavir, lamivudine and zidovudine tablets during pregnancy. Healthcare providers are encouraged to register patients by calling the Antiretroviral Pregnancy Registry (APR) at 1-800-258-4263. Risk Summary Available data from the APR show no difference in the overall risk of birth defects for abacavir, lamivudine, or zidovudine compared with the background rate for birth defects of 2.7% in the Metropolitan Atlanta Congenital Defects Program (MACDP) reference population [see Data] .
The APR uses the MACDP as the U.S. reference population for birth defects in the general population. The MACDP evaluates women and infants from a limited geographic area and does not include outcomes for births that occurred at less than 20 weeks' gestation. The rate of miscarriage is not reported in the APR.
The estimated background rate of miscarriage in clinically recognized pregnancies in the U.S. general population is 15% to 20%. The background risk for major birth defects and miscarriage for the indicated population is unknown. Hyperlactatemia, which may be due to mitochondrial dysfunction, has been reported in infants with in utero exposure to zidovudine-containing products.
These events were transient and asymptomatic in most cases. There have been few reports of developmental delay, seizures, and other neurological disease. However, a causal relationship between these events and exposure to zidovudine-containing products in utero or peri-partum has not been established (see Data) .
In animal reproduction studies, oral administration of abacavir to pregnant rats during organogenesis resulted in fetal malformations and other embryonic and fetal toxicities at exposures 35 times the human exposure (AUC) at the recommended clinical daily dose. However, no adverse developmental effects were observed following oral administration of abacavir to pregnant rabbits during organogenesis, at exposures approximately 9 times the human exposure (AUC) at the recommended clinical dose. Oral administration of lamivudine to pregnant rabbits during organogenesis resulted in embryolethality at systemic exposure (AUC) similar to the recommended clinical dose; however, no adverse development effects were observed with oral administration of lamivudine to pregnant rats during organogenesis at plasma concentrations (C max ) 35 times the recommended clinical dose.
Administration of oral zidovudine to female rats prior to mating and throughout gestation resulted in embryotoxicity at doses that produced systemic exposure (AUC) approximately 33 times higher than exposure at the recommended clinical dose. However, no embryotoxicity was observed after oral administration of zidovudine to pregnant rats during organogenesis at doses that produced systemic exposure (AUC) approximately 117 times higher than exposures at the recommended clinical dose. Administration of oral zidovudine to pregnant rabbits during organogenesis resulted in embryotoxicity at doses that produced systemic exposure (AUC) approximately 108 times higher than exposure at the recommended clinical dose.
However, no embryotoxicity was observed at doses that produced systemic exposure (AUC) approximately 23 times higher than exposures at the recommended clinical dose (see Data). Data Human Data: Abacavir Based on prospective reports to the APR of exposures to abacavir during pregnancy resulting in live births (including over 1,300 exposed in the first trimester and over 1,300 exposed in the second/third trimester), there was no difference between the overall risk of birth defects for abacavir compared with the background birth defect rate of 2.7% in a U.S. reference population of the MACDP.
The prevalence of defects in live births was 3.2% (95% CI: 2.3% to 4.3%) following first trimester exposure to abacavir-containing regimens and 2.9% (95% CI: 2.1% to 4%) following second/t…
🧒 Pediatric Use ▾
8.4Pediatric Use Abacavir, lamivudine and zidovudine tablet is not recommended in children who weigh less than 40 kg because it is a fixed-dose tablet that cannot be adjusted for these patient populations [see DOSAGE AND ADMINISTRATION ( 2.3 )] . Therapy-Experienced Pediatric Trial A randomized, double-blind trial, CNA3006, compared ZIAGEN ® plus lamivudine and zidovudine versus lamivudine and zidovudine in pediatric subjects, most of whom were extensively pretreated with nucleoside analogue antiretroviral agents. Subjects in this trial had a limited response to abacavir.
🧓 Geriatric Use ▾
8.5Geriatric Use Clinical trials of abacavir, lamivudine, and zidovudine did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. In general, caution should be exercised in the administration of abacavir, lamivudine and zidovudine tablets in elderly patients reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy [see CLINICAL PHARMACOLOGY ( 12.3 )] .
🆘 Overdosage ▾
10 OVERDOSAGE There is no known specific treatment for overdose with abacavir, lamivudine and zidovudine tablets. If overdose occurs, the patient should be monitored and standard supportive treatment applied as required. Abacavir It is not known whether abacavir can be removed by peritoneal dialysis or hemodialysis.
Lamivudine Because a negligible amount of lamivudine was removed via (4-hour) hemodialysis, continuous ambulatory peritoneal dialysis, and automated peritoneal dialysis, it is not known if continuous hemodialysis would provide clinical benefit in a lamivudine overdose event. Zidovudine Acute overdoses of zidovudine have been reported in pediatric patients and adults. These involved exposures up to 50 grams.
No specific symptoms or signs have been identified following acute overdosage with zidovudine apart from those listed as adverse events such as fatigue, headache, vomiting, and occasional reports of hematological disturbances. Patients recovered without permanent sequelae. Hemodialysis and peritoneal dialysis appear to have a negligible effect on the removal of zidovudine, while elimination of its primary metabolite, 3′- azido-3′-deoxy-5′- O -β- D -glucopyranuronosylthymidine (GZDV), is enhanced.
🧬 Clinical Pharmacology ▾
12 CLINICAL PHARMACOLOGY
12.1Mechanism of Action Abacavir, lamivudine and zidovudine tablet is an antiretroviral agent [see Microbiology ( 12.4 )] .
12.3Pharmacokinetics Pharmacokinetics in Adults In a single-dose, 3-way crossover bioavailability trial of 1 abacavir, lamivudine and zidovudine tablet versus 1 ZIAGEN tablet (300 mg), 1 EPIVIR tablet (150 mg), plus 1 RETROVIR tablet (300 mg) administered simultaneously in healthy subjects (n = 24), there was no difference in the extent of absorption, as measured by the area under the plasma concentration-time curve (AUC) and maximal peak concentration (Cmax), of all 3 components. One abacavir, lamivudine and zidovudine tablet was bioequivalent to 1 ZIAGEN tablet (300 mg), 1 EPIVIR tablet (150 mg), plus 1 RETROVIR tablet (300 mg) following single-dose administration to fasting healthy subjects (n = 24).
Abacavir: Following oral administration, abacavir is rapidly absorbed and extensively distributed. After oral administration of 300 mg of abacavir twice daily in 20 subjects, Cmax was 3.0 ± 0.89 mcg per mL (mean ± SD) and AUC(0 to 12 h) was 6.02 ± 1.73 mcg•hour per mL. Binding of abacavir to human plasma proteins is approximately 50% and was independent of concentration.
Total blood and plasma drug-related radioactivity concentrations are identical, demonstrating that abacavir readily distributes into erythrocytes. The primary routes of elimination of abacavir are metabolism by alcohol dehydrogenase to form the 5′-carboxylic acid and glucuronyl transferase to form the 5′-glucuronide. Lamivudine: Following oral administration, lamivudine is rapidly absorbed and extensively distributed.
Binding to plasma protein is low. Approximately 70% of an intravenous dose of lamivudine is recovered as unchanged drug in the urine. Metabolism of lamivudine is a minor route of elimination.
In humans, the only known metabolite is the trans-sulfoxide metabolite (approximately 5% of an oral dose after 12 hours). Zidovudine: Following oral administration, zidovudine is rapidly absorbed and extensively distributed. Binding to plasma protein is low.
Zidovudine is eliminated primarily by hepatic metabolism. The major metabolite of zidovudine is GZDV. GZDV AUC is about 3-fold greater than the zidovudine AUC.
Urinary recovery of zidovudine and GZDV accounts for 14% and 74% of the dose following oral administration, respectively. A second metabolite, 3′-amino-3′ deoxythymidine (AMT), has been identified in plasma. The AMT AUC was one-fifth of the zidovudine AUC.
In humans, abacavir, lamivudine, and zidovudine are not significantly metabolized by CYP enzymes. The pharmacokinetic properties of abacavir, lamivudine, and zidovudine in fasting subjects are summarized in Table 3. Header$Parameter Abacavir Lamivudine Zidovudine Oral bioavailability (%) 86 ± 25 n = 6 86 ± 16 n = 12 64 ± 10 n = 5 Apparent volume of distribution (L/kg) 0.86 ± 0.15 n = 6 1.3 ± 0.4 n = 20 1.6 ± 0.6 n = 8 Systemic clearance (L/h/kg) 0.80 ± 0.24 n = 6 0.33 ± 0.06 n = 20 1.6 ± 0.6 n = 6 Renal clearance (L/h/kg) 0.007 ± 0.008 n = 6 0.22 ± 0.06 n = 20 0.34 ± 0.05 n = 9 Elimination half-life (h) 1.45 ± 0.32 n = 20 13 to 19 b 0.5 to 3 b Effect of Food on Absorption of Abacavir, Lamivudine and Zidovudine Tablets Administration with food in a single-dose bioavailability trial resulted in lower Cmax, similar to results observed previously for the reference formulations.
The average [90% CI] decrease in abacavir, lamivudine, and zidovudine Cmax was 32% [24% to 38%], 18% [10% to 25%], and 28% [13% to 40%], respectively, when administered with a high-fat meal, compared with administration under fasted conditions. Administration of abacavir, lamivudine and zidovudine tablets with food did not alter the extent of abacavir, lamivudine, and zidovudine absorption (AUC), as compared with administration under fasted conditions (n = 24) [see DOSAGE AND ADMINISTRATION ( 2.2 )] . Specific Populations Patients with Renal Impairment: Abacavir, Lamivudine and…
🧬 Mechanism of Action ▾
12.1Mechanism of Action Abacavir, lamivudine and zidovudine tablet is an antiretroviral agent [see Microbiology ( 12.4 )] .
📦 How Supplied / Storage and Handling ▾
16 HOW SUPPLIED/STORAGE AND HANDLING Abacavir, lamivudine and zidovudine is available as tablets. Each tablet contains 300 mg of abacavir as abacavir sulfate, 150 mg of lamivudine, and 300 mg of zidovudine. The tablets are blue-green colored, oval shaped, biconvex, film-coated, debossed with "LU" on one side and "N51" on the other side.
They are packaged as follows: Bottles of 60 Tablets NDC 68180-286-07 Bottles of 100 Tablets NDC 68180-286-01 Bottles of 500 Tablets NDC 68180-286-02 Store at 25°C (77°F); excursions permitted to 15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature].
📋 Description ▾
11 DESCRIPTION Abacavir, lamivudine and zidovudine tablets contain the following 3 synthetic nucleoside analogues: abacavir (ZIAGEN ® ), lamivudine (also known as EPIVIR ® or 3TC), and zidovudine (also known as RETROVIR ® , azidothymidine, or ZDV) with inhibitory activity against HIV-1. Abacavir, lamivudine and zidovudine tablets are for oral administration. Each film-coated tablet contains the active ingredients 300 mg of abacavir as abacavir sulfate, 150 mg of lamivudine, and 300 mg of zidovudine, and the inactive ingredients crospovidone, magnesium stearate, microcrystalline cellulose, povidone, and yellow ferric oxide.
The tablets are coated with a film opadry green that is made of FD&C blue no. 2, polyethylene glycol, polyvinyl alcohol, talc, titanium dioxide and yellow ferric oxide. Abacavir Sulfate The chemical name of abacavir sulfate is (1 S,cis )-4-[2-amino-6-(cyclopropylamino)-9 H -purin-9-yl]-2-cyclopentene-1-methanol sulfate (salt) (2:1).
Abacavir sulfate is the enantiomer with 1S , 4R absolute configuration on the cyclopentene ring. It has a molecular formula of (C 14 H 18 N 6 O) 2 ·H 2 SO 4 and a molecular weight of 670.74 g per mol. It has the following structural formula: Abacavir sulfate is a white to off-white powder and soluble in water.
Dosages are expressed in terms of abacavir. Lamivudine The chemical name of lamivudine is (2R,cis)-4-amino-1-(2-hydroxymethyl-1,3-oxathiolan-5-yl)-(1H)-pyrimidin-2-one, 0.2 hydrate. Lamivudine is the (-) enantiomer of a dideoxy analogue of cytidine.
Lamivudine has also been referred to as (-)2',3'-dideoxy, 3'-thiacytidine. It has a molecular formula of C 8 H 11 N 3 O 3 S·0.2H 2 O and a molecular weight of 232.86 g per mol. It has the following structural formula: Lamivudine is a white to off-white solid and is soluble in water.
Zidovudine The chemical name of zidovudine is 3'-azido-3'-deoxythymidine. It has a molecular formula of C 10 H 13 N 5 O 4 and a molecular weight of 267.24 g per mol. It has the following structural formula: Zidovudine is a white to yellowish powder with a solubility of 20.1 mg/mL in water at 25°C.
Abacavir Sulfate Lamivudine Zidovudine
💬 Information for Patients ▾
17 PATIENT COUNSELING INFORMATION Advise the patient to read the FDA-approved patient labeling (Medication Guide). Hypersensitivity Reaction Inform patients: that a Medication Guide and Warning Card summarizing the symptoms of the abacavir hypersensitivity reaction and other product information will be dispensed by the pharmacist with each new prescription and refill of abacavir, lamivudine and zidovudine tablet, and instruct the patient to read the Medication Guide and Warning Card every time to obtain any new information that may be present about abacavir, lamivudine and zidovudine tablets.
The complete text of the Medication Guide is reprinted at the end of this document. to carry the Warning Card with them. how to identify a hypersensitivity reaction [see WARNINGS AND PRECAUTIONS ( 5.1 ), MEDICATION GUIDE] . that if they develop symptoms consistent with a hypersensitivity reaction they should call their healthcare provider right away to determine if they should stop taking abacavir, lamivudine and zidovudine tablet. that a hypersensitivity reaction can worsen and lead to hospitalization or death if abacavir, lamivudine and zidovudine tablet is not immediately discontinued. to not restart abacavir, lamivudine and zidovudine tablet or any other abacavir-containing product following a hypersensitivity reaction because more severe symptoms can occur within hours and may include life-threatening hypotension and death. that if they have a hypersensitivity reaction, they should dispose of any unused abacavir, lamivudine and zidovudine tablet to avoid restarting abacavir. that a hypersensitivity reaction is usually reversible if it is detected promptly and abacavir, lamivudine and zidovudine tablet is stopped right away. that if they have interrupted abacavir, lamivudine and zidovudine tablet for reasons other than symptoms of hypersensitivity (for example, those who have an interruption in drug supply), a serious or fatal hypersensitivity reaction may occur with reintroduction of abacavir. to not restart abacavir, lamivudine and zidovudine tablet or any other abacavir-containing product without medical consultation and only if medical care can be readily accessed by the patient or others.
Neutropenia and Anemia Inform patients that the important toxicities associated with zidovudine are neutropenia and/or anemia. Inform them of the extreme importance of having their blood counts followed closely while on therapy, especially for patients with advanced HIV-1 disease [see BOXED WARNING , WARNINGS AND PRECAUTIONS ( 5.2 )] . Myopathy Inform patients that myopathy and myositis with pathological changes, similar to that produced by HIV-1 disease, have been associated with prolonged use of zidovudine [see WARNINGS AND PRECAUTIONS ( 5.3 )] .
Lactic Acidosis/Hepatomegaly with Steatosis Advise patients that lactic acidosis and severe hepatomegaly with steatosis have been reported with use of nucleoside analogues and other antiretrovirals. Advise patients to stop taking abacavir, lamivudine and zidovudine tablets if they develop clinical symptoms suggestive of lactic acidosis or pronounced hepatotoxicity [see WARNINGS AND PRECAUTIONS ( 5.4 )] . Patients with Hepatitis B or C Co-infection Advise patients co-infected with HIV-1 and HBV that worsening of liver disease has occurred in some cases when treatment with lamivudine was discontinued.
Advise patients to discuss any changes in regimen with their healthcare provider [see WARNINGS AND PRECAUTIONS ( 5.5 )]. Inform patients with HIV-1/HCV co-infection that hepatic decompensation (some fatal) has occurred in HIV-1/HCV co-infected patients receiving combination antiretroviral therapy for HIV-1 and interferon alfa with or without ribavirin [see WARNINGS AND PRECAUTIONS ( 5.6 )]. Drug Interactions Advise patients that other medications may interact with abacavir, lamivudine and zidovudine tablets and certain medications, including ganciclovir, interferon alfa, and ribavirin, may exacerbate the t…
💬 Medication Guide ▾
MEDICATION GUIDE Abacavir, Lamivudine and Zidovudine Tablets (a-BAK-a-vir , la-MIV-ue-deen, zye-DOE-vue-deen) What is the most important information I should know about abacavir, lamivudine and zidovudine tablets? Abacavir, lamivudine and zidovudine tablets can cause serious side effects, including: Serious allergic reactions (hypersensitivity reaction) that can cause death have happened with abacavir, lamivudine and zidovudine tablets and other abacavir-containing products. Your risk of this allergic reaction is much higher if you have a gene variation called HLA-B*5701.
Your healthcare provider can determine with a blood test if you have this gene variation. If you get a symptom from 2 or more of the following groups while taking abacavir, lamivudine and zidovudine tablets, call your healthcare provider right away to find out if you should stop taking abacavir, lamivudine and zidovudine tablets. Symptom ( s ) Group 1 Fever Group 2 Rash Group 3 Nausea , vomiting , diarrhea , abdominal ( stomach area ) pain Group 4 Generally ill feeling , extreme tiredness , or achiness Group 5 Shortness of breath , cough , sore throat A list of these symptoms is on the Warning Card your pharmacist gives you.
Carry this Warning Card with you at all times. If you stop abacavir, lamivudine and zidovudine tablets because of an allergic reaction, never take abacavir, lamivudine and zidovudine tablets or any other abacavir-containing medicine (EPZICOM ® , TRIUMEQ ® , or ZIAGEN ® ) again. If you have an allergic reaction, dispose of any unused abacavir, lamivudine and zidovudine tablets.
Ask your pharmacist how to properly dispose of medicines. If you take abacavir, lamivudine and zidovudine tablets or any other abacavir-containing medicine again after you have had an allergic reaction, within hours you may get life-threatening symptoms that may include very low blood pressure or death . If you stop abacavir, lamivudine and zidovudine tablets for any other reason, even for a few days, and you are not allergic to abacavir, lamivudine and zidovudine tablets, talk with your healthcare provider before taking it again.
Taking abacavir, lamivudine and zidovudine tablets again can cause a serious allergic or life-threatening reaction, even if you never had an allergic reaction to it before. If your healthcare provider tells you that you can take abacavir, lamivudine and zidovudine tablets again, start taking it when you are around medical help or people who can call a healthcare provider if you need one. Blood problems.
Zidovudine, one of the medicines in abacavir, lamivudine and zidovudine tablets, can cause serious blood cell problems. These include reduced numbers of white blood cells (neutropenia) and extremely reduced numbers of red blood cells (anemia). These blood cell problems are especially likely to happen in people with advanced human immunodeficiency virus 1 (HIV-1) infection or Acquired Immune Deficiency Syndrome (AIDS).
Your healthcare provider should check your blood cell counts regularly during treatment with abacavir, lamivudine and zidovudine tablets. Muscle pain or weakness can happen during treatment with abacavir, lamivudine and zidovudine tablets. Zidovudine one of the medicines in abacavir, lamivudine and zidovudine tablets, can cause muscle pain or weakness when used for a long time.
Too much Lactic acid in your blood (lactic acidosis). Lactic acidosis is a serious medical emergency that can lead to death. Call your healthcare provider right away if you get any of the following symptoms that could be signs of lactic acidosis: feel very weak or tired unusual (not normal) muscle pain trouble breathing stomach pain with nausea and vomiting feel cold, especially in your arms and legs feel dizzy or light-headed have a fast or irregular heartbeat Severe liver problems in some cases, these serious liver problems can lead to death.
Your liver may become large (hepatomegaly) and you may develop fat in your liver (steatosis). Call your health…