Dexmedetomidine Hydrochloride 100 ug/mL Injection, Solution — NDC 70069-758-04 (Billing 70069-0758-04)
This is a package of Dexmedetomidine Hydrochloride 100 ug/mL Injection, Solution from Somerset Therapeutics, LLC, marketed since Sep 2024 and currently FDA-listed. It is this product's only package size.
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): 068148
- GCN: 30867
- HICL (First Databank): 020971
- AHFS class code: 28:24.92.00
- RxCUI (RxNorm): 1788947
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 1, 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 Central alpha-2 Adrenergic Agonist class.
Where does this data come from?
- RxClass (NLM) · catalog refreshed Oct 1, 2026
Clinical
- Dexmedetomidine is a sedative used in hospital settings. If you're receiving the IV form, it's being used to keep you calm and comfortable — either while you're on a breathing mach...
- Why am I getting dexmedetomidine — what is it actually used for?
- Dexmedetomidine causes sedation, but it's different from general anesthesia. Some patients can actually be roused — meaning if someone calls your name or stimulates you, you may op...
- Will I be completely unconscious, or will I be able to wake up?
Patient education
Supplement & herbal interactions
Where does this data come from?
- MedlinePlus (NLM) · refreshed Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 1, 2026
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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 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 · quarterly | No Part D plan price is available for this NDC in our data. | |
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 2, 2026
- CMS Part D plan pricing files · refreshed Sep 24, 2026
- VA National Acquisition Center price file
Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Marketing end | Status |
|---|---|---|---|---|
| 70069-0758-04 You're viewing this Main listing | 4 VIAL in 1 CARTON / 4 mL in 1 VIAL | 2024-09-26 | — | Active |
Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Dexmedetomidine 100 ug/mL 44567-0600-04 | WG | 4 vials | — | AP | FDA listed | — |
| Dexmedetomidine 100 ug/mL 44567-0601-04 | WG | 4 vials | — | AP | FDA listed | — |
| Dexmedetomidine Hydrochloride 100 ug/mLthis 70069-0758-04 | Somerset | 4 vials | — | AP | FDA listed | — |
| Dexmedetomidine Hydrochloride 100 ug/mL 70069-0759-04 | Somerset | 4 vials | — | AP | FDA listed | — |
| Dexmedetomidine Hydrochloride 100 ug/mL 57664-0596-50 | Sun | 25 vials | — | AP | FDA listed | — |
| Dexmedetomidine hydrochloride 100 ug/mL 71872-7030-01 | Medical | 1 vial | — | AP | FDA listed | — |
| Dexmedetomidine Hydrochloride 100 ug/mL 71872-7031-01 | Medical | 1 vial | — | AP | FDA listed | — |
| Dexmedetomidine Hydrochloride 100 ug/mL 71872-7122-01 | Medical | 1 vial | — | AP | FDA listed | — |
| Dexmedetomidine Hydrochloride 100 ug/mL 36000-0262-05 | Baxter | 5 vials | — | AP | FDA listed | — |
| Precedex 100 ug/mL 00409-1638-02 | Hospira, | 25 vials | — | AP | FDA listed | — |
| Dexmedetomidine Hydrochloride 100 ug/mL 42023-0146-25 | Par | 25 vials | — | AP | FDA listed | — |
| Dexmedetomidine Hydrochloride 100 ug/mL 63323-0421-02 | Fresenius | 25 vials | — | AP | FDA listed | — |
| Precedex 100 ug/mL 00404-9938-02 | Henry | 1 vial | — | AP | FDA listed | — |
| Dexmedetomidine Hydrochloride 100 ug/mL 65219-0642-02 | Fresenius | 25 vials | — | AP | FDA listed | — |
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA Orange Book · refreshed Sep 3, 2026
- CMS NADAC weekly file
Availability & generic status
This product is an FDA-approved generic. Other versions of the same drug are listed under Therapeutic equivalents, least expensive first.
Where does this data come from?
- FDA Orange Book · refreshed Sep 3, 2026
Inactive Ingredients / Excipients
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5 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.- FDA label on DailyMed · label index refreshed Oct 1, 2026
- FDA openFDA NDC Directory · synced Oct 1, 2026
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Manufacturer & labeler
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 Dexmedetomidine Injection is a alpha 2 adrenergic receptor agonist indicated for: Sedation of initially intubated and mechanically ventilated adult patients during treatment in an intensive care setting. Administer Dexmedetomidine Injection by continuous infusion not to exceed 24 hours. (1.1) Sedation of non-intubated adult patients prior to and/or during surgical and other procedures. (1.2)
1.1Intensive Care Unit Sedation Dexmedetomidine injection is indicated for sedation of initially intubated and mechanically ventilated adult patients during treatment in an intensive care setting. Dexmedetomidine injection should be administered by continuous infusion not to exceed 24 hours.
1.2Procedural Sedation Dexmedetomidine Injection is indicated for sedation of non-intubated adult patients prior to and/or during surgical and other procedures.
⏱️ Dosage and Administration ▾
2 DOSAGE AND ADMINISTRATION Individualize and titrate dosing to desired clinical effect. (2.1) Administration duration should not exceed 24 hours. (2.1) Administer intravenously using a controlled infusion device.
(2.1) Dexmedetomidine Injection must be diluted prior to administration. (2.1) To be administered only by health care providers skilled in management of patients in the intensive care or operating room setting. (2.1) Continuously monitor blood pressure, heart rate, and oxygen levels during administration and as clinically appropriate after discontinuation.
(2.1) It is not necessary to discontinue Dexmedetomidine Injection prior to extubation. For Adult Intensive Care Unit Sedation : Initiate at one mcg/kg over 10 minutes , followed by a maintenance infusion of 0.2 to 0.7 mcg/kg/ hour . (2.2) For Adult Procedural Sedation : Initiate at one mcg/kg over 10 minutes , followed by a maintenance infusion initiated at 0.6 mcg/kg/ hour and titrated to achieve desired clinical effect with doses ranging from 0.2 to 1 mcg/kg/ hour .
(2.2) Alternative Doses : Recommended for patients over 65 years of age and awake fiberoptic intubation patients. (2.2) See full prescribing information for recommended dosage, reconstitution, dilution, and administration instructions. (2.2, 2.3, 2.4 ,2.5, 2.6, 2.7)
2.1Administration Instructions Individualize and titrate dosing to desired clinical response. Administer by continuous intravenous infusion using a controlled infusion device. Administration duration should not exceed 24 hours [see Warnings and Precautions (5.5, 5.6)] .
Dexmedetomidine Injection must be diluted prior to administration [see Dosage and Administration (2.4)] . Dexmedetomidine Injection should be administered only by health care providers skilled in the management of patients in the intensive care or operating room setting . Continuously monitor blood pressure, heart rate and oxygen levels during the use of Dexmedetomidine Injection as clinically appropriate after discontinuation.
Dexmedetomidine Injection has been continuously infused in mechanically ventilated adult patients prior to extubation, during extubation, and post extubation. It is not necessary to discontinue Dexmedetomidine Injection. Use administration components made with synthetic or coated natural rubber gaskets.
Dexmedetomidine Injection has the potential for absorption into some types of natural rubber.
2.2Recommended Dosage Table 1: Recommended Dosage in Adult Patients INDICATION DOSAGE AND ADMINISTRATION Initiation of Intensive Care Unit Sedation For adult patients: a loading infusion of one mcg/kg over 10 minutes . For adult patients being converted from alternate sedative therapy: a loading dose may not be required. For patients over 65 years of age: Consider a dose reduction [see Use in Specific Populations (8.5)] .
For adult patients with impaired hepatic function: Consider a dose reduction [see Use in Specific Populations (8.6), Clinical Pharmacology (12.3)] . Maintenance of Intensive Care Unit Sedation For adult patients: a maintenance infusion of 0.2 to 0.7 mcg/kg/ hour . The rate of the maintenance infusion should be adjusted to achieve the desired level of sedation.
For patients over 65 years of age: Consider a dose reduction [see Use in Specific Populations (8.5)]. For adult patients with impaired hepatic function: Consider a dose reduction [see Use in Specific Populations (8.6), Clinical Pharmacology (12.3)] Initiation of Procedural Sedation For adult patients: a loading infusion of one mcg/kg over 10 minutes . For less invasive procedures such as ophthalmic surgery, a loading infusion of 0.5 mcg/kg given over 10 minutes may be suitable.
For awake fiberoptic intubation in adult patients: a loading infusion of one mcg/kg over 10 minutes . For patients over 65 years of age: a loading infusion of 0.5 mcg/kg over 10 minutes [see Use in Specific Populations (8.5)]. For adult patients with impaired hepatic function: Consider a dose reduction [see U… [Excerpted — this section continues on DailyMed.]
💊 Dosage Forms and Strengths ▾
3 DOSAGE FORMS AND STRENGTHS Dexmedetomidine Injection, USP is clear, colorless, sterile, and nonpyrogenic solution suitable for intravenous infusion following dilution and is available in 100 mcg/mL vial, strength as follows: 400 mcg/4 mL (100 mcg/mL) in a multiple-dose vial 1000 mcg in 10 mL in a multiple-dose vial Injection: 400 mcg/4 mL (100 mcg/mL) in a multiple-dose vial. (3) 1000 mcg/10 mL (100 mcg/mL) in a multiple-dose vial. (3)
⛔ Contraindications ▾
4 CONTRAINDICATIONS None. None. (4)
⚠️ Warnings and Cautions ▾
5 WARNINGS AND PRECAUTIONS Monitoring : Continuously monitor patients while receiving dexmedetomidine. (5.1) Bradycardia and Sinus Arrest : Have occurred in young healthy volunteers with high vagal tone or with different routes of administration, e.g., rapid intravenous or bolus administration. (5.2) Hypotension and Bradycardia : May necessitate medical intervention.
May be more pronounced in patients with hypovolemia, diabetes mellitus, or chronic hypertension, and in the elderly. Use with caution in patients with advanced heart block or severe ventricular dysfunction. (5.2) Co-administration with Other Vasodilators or Negative Chronotropic Agents : Use with caution due to additive pharmacodynamic effects.
(5.2) Transient Hypertension : Observed primarily during the loading dose. Consider reduction in loading infusion rate. (5.3) Arousability : Patients can become aroused/alert with stimulation; this alone should not be considered as lack of efficacy.
(5.4) Tolerance and Tachyphylaxis : Prolonged exposure to dexmedetomidine beyond 24 hours may be associated with tolerance and tachyphylaxis and a dose-related increase in adverse events. (5.6)
5.1Drug Administration Dexmedetomidine should be administered only by persons skilled in the management of patients in the intensive care or operating room setting. Due to the known pharmacological effects of dexmedetomidine, patients should be continuously monitored while receiving dexmedetomidine.
5.2Hypotension, Bradycardia, and Sinus Arrest Clinically significant episodes of bradycardia and sinus arrest have been reported with dexmedetomidine administration in young, healthy adult volunteers with high vagal tone or with different routes of administration including rapid intravenous or bolus administration. Reports of hypotension and bradycardia have been associated with dexmedetomidine infusion. Some of these cases have resulted in fatalities.
If medical intervention is required, treatment may include decreasing or stopping the infusion of dexmedetomidine, increasing the rate of intravenous fluid administration, elevation of the lower extremities, and use of pressor agents. Because dexmedetomidine has the potential to augment bradycardia induced by vagal stimuli, clinicians should be prepared to intervene. The intravenous administration of anticholinergic agents (e.g., glycopyrrolate, atropine) should be considered to modify vagal tone.
In clinical trials, glycopyrrolate or atropine were effective in the treatment of most episodes of dexmedetomidine-induced bradycardia. However, in some patients with significant cardiovascular dysfunction, more advanced resuscitative measures were required. Caution should be exercised when administering dexmedetomidine to patients with advanced heart block and/or severe ventricular dysfunction.
Because dexmedetomidine decreases sympathetic nervous system activity, hypotension and/or bradycardia may be expected to be more pronounced in patients with hypovolemia, diabetes mellitus, or chronic hypertension and in elderly patients. In clinical trials where other vasodilators or negative chronotropic agents were co-administered with dexmedetomidine an additive pharmacodynamic effect was not observed. Nonetheless, caution should be used when such agents are administered concomitantly with dexmedetomidine.
5.3Transient Hypertension Transient hypertension has been observed primarily during the loading dose in association with the initial peripheral vasoconstrictive effects of dexmedetomidine. Treatment of the transient hypertension has generally not been necessary, although reduction of the loading infusion rate may be desirable.
5.4Arousability Some patients receiving dexmedetomidine have been observed to be arousable and alert when stimulated. This alone should not be considered as evidence of lack of efficacy in the absence of other clinical signs and symptoms.
5.5Withdrawal Intensive Care Unit Sedation With administration up to 7 days, regardless of… [Excerpted — this section continues on DailyMed.]
🤒 Adverse Reactions ▾
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Hypotension, bradycardia and sinus arrest [see Warnings and Precautions (5.2)] Transient hypertension [see Warnings and Precautions (5.3)] The most common adverse reactions (incidence >2%) in adults are hypotension, bradycardia, and dry mouth. (6.1) Adverse reactions in adults, associated with infusions >24 hours in duration include ARDS, respiratory failure, and agitation. (6.1) To report SUSPECTED ADVERSE REACTIONS, contact Somerset Therapeutics, LLC at +1 800-417-9175 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 reactions rates observed in the 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. Most common treatment-emergent adverse reactions, occurring in greater than 2% of adult patients in both Intensive Care Unit and procedural sedation studies include hypotension, bradycardia and dry mouth. Intensive Care Unit Sedation Adverse reaction information is derived from the continuous infusion trials of dexmedetomidine injection for sedation in the Intensive Care Unit setting in which 1,007 adult patients received dexmedetomidine injection.
The mean total dose was 7.4 mcg/kg (range: 0.8 to 84.1), mean dose per hour was 0.5 mcg/kg/hr (range: 0.1 to 6.0) and the mean duration of infusion of 15.9 hours (range: 0.2 to 157.2). The population was between 17 to 88 years of age, 43% ≥65 years of age, 77% male and 93% Caucasian. Treatment-emergent adverse reactions occurring at an incidence of >2% are provided in Table 2.
The most frequent adverse reactions were hypotension, bradycardia and dry mouth [see Warnings and Precautions (5.2)] . Table 2: Adverse Reactions with an Incidence >2%— Adult Intensive Care Unit Sedation Population <24 hours * Adverse Event All Dexmedetomidine Injection (N = 1007) (%) Randomized Dexmedetomidine Injection (N = 798) (%) Placebo (N = 400) (%) Propofol (N = 188) (%) Hypotension 25% 24% 12% 13% Hypertension 12% 13% 19% 4% Nausea 9% 9% 9% 11% Bradycardia 5% 5% 3% 0 Atrial Fibrillation 4% 5% 3% 7% Pyrexia 4% 4% 4% 4% Dry Mouth 4% 3% 1% 1% Vomiting 3% 3% 5% 3% Hypovolemia 3% 3% 2% 5% Atelectasis 3% 3% 3% 6% Pleural Effusion 2% 2% 1% 6% Agitation 2% 2% 3% 1% Tachycardia 2% 2% 4% 1% Anemia 2% 2% 2% 2% Hyperthermia 2% 2% 3% 0 Chills 2% 2% 3% 2% Hyperglycemia 2% 2% 2% 3% Hypoxia 2% 2% 2% 3% Post-procedural Hemorrhage 2% 2% 3% 4% Pulmonary Edema 1% 1% 1% 3% Hypocalcemia 1% 1% 0 2% Acidosis 1% 1% 1% 2% Urine Output Decreased 1% 1% 0 2% Sinus Tachycardia 1% 1% 1% 2% Ventricular Tachycardia <1% 1% 1% 5% Wheezing <1% 1% 0 2% Edema Peripheral <1% 0 1% 2% * 26 subjects in the all dexmedetomidine injection group and 10 subjects in the randomized dexmedetomidine injection group had exposure for greater than 24 hours.
Adverse reaction information was also derived from the placebo-controlled, continuous infusion trials of dexmedetomidine injection for sedation in the surgical intensive care unit setting in which 387 adult patients received dexmedetomidine injection for less than 24 hours. The most frequently observed treatment-emergent adverse events included hypotension, hypertension, nausea, bradycardia, fever, vomiting, hypoxia, tachycardia and anemia (see Table 3). Table 3: Treatment-Emergent Adverse Events Occurring in >1% of All Dexmedetomidine-Treated Adult Patients in the Randomized Placebo-Controlled Continuous Infusion <24 Hours ICU Sedation Studies Adverse Event Randomized Dexmedetomidine (N = 387) Placebo (N = 379) Hypotension 28% 13% Hypertension 16% 18% Nausea 11% 9% Bradycardia 7% 3% Fever 5% 4% Vomiting 4% 6% Atrial Fibrillation 4% 3% Hypoxia 4% 4% Tachycardia 3% 5% Hemorrhage 3% 4% Anemia 3% 2% Dry Mouth 3% 1% Rigors 2% 3% Agitation 2% 3% Hyperpyrexia 2% 3% Pain 2% 2% Hyperglycem… [Excerpted — this section continues on DailyMed.]
🔄 Drug Interactions ▾
7 DRUG INTERACTIONS Anesthetics, Sedatives, Hypnotics, Opioids: Enhancement of pharmacodynamic effects. Reduction in dosage of dexmedetomidine or the concomitant medication may be required. (7.1)
7.1Anesthetics, Sedatives, Hypnotics, Opioids Co-administration of dexmedetomidine with anesthetics, sedatives, hypnotics, and opioids is likely to lead to an enhancement of effects. Specific studies have confirmed these effects with sevoflurane, isoflurane, propofol, alfentanil, and midazolam. No pharmacokinetic interactions between dexmedetomidine and isoflurane, propofol, alfentanil and midazolam have been demonstrated.
However, due to possible pharmacodynamic interactions, when co-administered with dexmedetomidine, a reduction in dosage of dexmedetomidine or the concomitant anesthetic, sedative, hypnotic or opioid may be required.
7.2Neuromuscular Blockers In one study of 10 healthy adult volunteers, administration of dexmedetomidine injection for 45 minutes at a plasma concentration of one ng/mL resulted in no clinically meaningful increases in the magnitude of neuromuscular blockade associated with rocuronium administration.
👥 Use in Specific Populations ▾
8 USE IN SPECIFIC POPULATIONS Geriatric Patients: Dose reduction should be considered. (2.2, 2.3, 5.2, 8.5) Hepatic Impairment: Dose reduction should be considered. (2.2, 2.3, 5.8, 8.6)
8.1Pregnancy Risk Summary Available data from published randomized controlled trials and case reports over several decades of use with intravenously administered dexmedetomidine during pregnancy have not identified a drug-associated risk of major birth defects and miscarriage; however, the reported exposures occurred after the first trimester. Most of the available data are based on studies with exposures that occurred at the time of caesarean section delivery, and these studies have not identified an adverse effect on maternal outcomes or infant Apgar scores.
Available data indicate that dexmedetomidine crosses the placenta. In animal reproduction studies, fetal toxicity that lower fetal viability and reduced live fetuses occurred with subcutaneous administration of dexmedetomidine to pregnant rats during organogenesis at doses 1.8 times the maximum recommended human dose (MRHD) of 17.8 mcg/kg/day. Developmental toxicity (low pup weights and adult offspring weights, decreased F1 grip strength, increased early implantation loss and decreased viability of second-generation offspring) occurred when pregnant rats were subcutaneously administered dexmedetomidine at doses less than the clinical dose from late pregnancy through lactation and weaning ( see Data ).
The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. 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 Increased post-implantation losses and reduced live fetuses in the presence of maternal toxicity (i.e. decreased body weight) were noted in a rat embryo-fetal development study in which pregnant dams were administered subcutaneous doses of dexmedetomidine 200 mcg/kg/day (equivalent to 1.8 times the intravenous MRHD of 17.8 mcg/kg/day based on body surface area [BSA]) during the period of organogenesis (Gestation Day [GD] 6 to 15). No malformations were reported. No malformations or embryo-fetal toxicity were noted in a rabbit embryo-fetal development study in which pregnant does were administered dexmedetomidine intravenously at doses of up to 96 mcg/kg/day (approximately half the human exposure at the MRHD based on AUC) during the period of organogenesis (GD 6 to 18).
Reduced pup and adult offspring birth weights, and grip strength were reported in a rat developmental toxicology study in which pregnant females were administered dexmedetomidine subcutaneously at doses of 8 mcg/kg/day (0.07 times the MRHD based on BSA) during late pregnancy through lactation and weaning (GD 16 to postnatal day [PND] 25). Decreased viability of second generation offspring and an increase in early implantation loss along with delayed motor development occurred in the 32 mcg/kg/day group (equivalent to less than the clinical dose based on BSA) when first generation offspring were allowed to mate.
This study limited dosing to hard palate closure (GD 15 to 18) through weaning instead of dosing from implantation (GD 6 to 7) to weaning (PND 21). In a study in the pregnant rat, placental transfer of dexmedetomidine was observed when radiolabeled dexmedetomidine was administered subcutaneously.
8.2Lactation Risk Summary Available published literature reports the presence of dexmedetomidine in human milk following intravenous administration (see Data). There is no information regarding the effects of dexmedetomidine on the breastfed infant or the effects on milk production. Advise women to monitor the breastfed infant for irritability.
The developmental and health benefits of breastfeeding should be considered along with the mother's c… [Excerpted — this section continues on DailyMed.]
🤰 Pregnancy ▾
8.1Pregnancy Risk Summary Available data from published randomized controlled trials and case reports over several decades of use with intravenously administered dexmedetomidine during pregnancy have not identified a drug-associated risk of major birth defects and miscarriage; however, the reported exposures occurred after the first trimester. Most of the available data are based on studies with exposures that occurred at the time of caesarean section delivery, and these studies have not identified an adverse effect on maternal outcomes or infant Apgar scores.
Available data indicate that dexmedetomidine crosses the placenta. In animal reproduction studies, fetal toxicity that lower fetal viability and reduced live fetuses occurred with subcutaneous administration of dexmedetomidine to pregnant rats during organogenesis at doses 1.8 times the maximum recommended human dose (MRHD) of 17.8 mcg/kg/day. Developmental toxicity (low pup weights and adult offspring weights, decreased F1 grip strength, increased early implantation loss and decreased viability of second-generation offspring) occurred when pregnant rats were subcutaneously administered dexmedetomidine at doses less than the clinical dose from late pregnancy through lactation and weaning ( see Data ).
The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. 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 Increased post-implantation losses and reduced live fetuses in the presence of maternal toxicity (i.e. decreased body weight) were noted in a rat embryo-fetal development study in which pregnant dams were administered subcutaneous doses of dexmedetomidine 200 mcg/kg/day (equivalent to 1.8 times the intravenous MRHD of 17.8 mcg/kg/day based on body surface area [BSA]) during the period of organogenesis (Gestation Day [GD] 6 to 15). No malformations were reported. No malformations or embryo-fetal toxicity were noted in a rabbit embryo-fetal development study in which pregnant does were administered dexmedetomidine intravenously at doses of up to 96 mcg/kg/day (approximately half the human exposure at the MRHD based on AUC) during the period of organogenesis (GD 6 to 18).
Reduced pup and adult offspring birth weights, and grip strength were reported in a rat developmental toxicology study in which pregnant females were administered dexmedetomidine subcutaneously at doses of 8 mcg/kg/day (0.07 times the MRHD based on BSA) during late pregnancy through lactation and weaning (GD 16 to postnatal day [PND] 25). Decreased viability of second generation offspring and an increase in early implantation loss along with delayed motor development occurred in the 32 mcg/kg/day group (equivalent to less than the clinical dose based on BSA) when first generation offspring were allowed to mate.
This study limited dosing to hard palate closure (GD 15 to 18) through weaning instead of dosing from implantation (GD 6 to 7) to weaning (PND 21). In a study in the pregnant rat, placental transfer of dexmedetomidine was observed when radiolabeled dexmedetomidine was administered subcutaneously.
🧒 Pediatric Use ▾
8.4Pediatric Use Safety and efficacy of dexmedetomidine injection have not been established for Procedural or ICU Sedation in pediatric patients.
🧓 Geriatric Use ▾
8.5Geriatric Use Intensive Care Unit Sedation A total of 729 patients in the clinical studies were 65 years of age and over. A total of 200 patients were 75 years of age and over. In patients greater than 65 years of age, a higher incidence of bradycardia and hypotension was observed following administration of dexmedetomidine injection [ see Warnings and Precautions (5.1, 5.2)].
Therefore a dose reduction may be considered in patients over 65 years of age [see Dosage and Administration (2.3) and Clinical Pharmacology (12.3)]. Procedural Sedation A total of 131 patients in the clinical studies were 65 years of age and over. A total of 47 patients were 75 years of age and over.
Hypotension occurred in a higher incidence in dexmedetomidine injection-treated patients 65 years or older (72%) and 75 years or older (74%) as compared to patients <65 years (47%). A reduced loading dose of 0.5 mcg/kg given over 10 minutes is recommended and a reduction in the maintenance infusion should be considered for patients greater than 65 years of age.
🆘 Overdosage ▾
10 OVERDOSAGE The tolerability of dexmedetomidine was studied in one study in which healthy adult subjects were administered doses at and above the recommended dose of 0.2 to 0.7 mcg/kg/hr. The maximum blood concentration achieved in this study was approximately 13 times the upper boundary of the therapeutic range. The most notable effects observed in two subjects who achieved the highest doses were first degree atrioventricular block and second-degree heart block.
No hemodynamic compromise was noted with the atrioventricular block and the heart block resolved spontaneously within one minute. Five adult patients received an overdose of dexmedetomidine in the intensive care unit sedation studies. Two of these patients had no symptoms reported; one patient received a 2 mcg/kg loading dose over 10 minutes (twice the recommended loading dose) and one patient received a maintenance infusion of 0.8 mcg/kg/hr.
Two other patients who received a 2 mcg/kg loading dose over 10 minutes, experienced bradycardia and/or hypotension. One patient who received a loading bolus dose of undiluted dexmedetomidine (19.4 mcg/kg), had cardiac arrest from which he was successfully resuscitated.
🧬 Clinical Pharmacology ▾
12 CLINICAL PHARMACOLOGY
12.1Mechanism of Action Dexmedetomidine is a relatively selective centrally acting alpha 2 -adrenergic agonist with sedative properties. Alpha 2 selectivity was observed in animals following slow intravenous infusion of low and medium doses (10 mcg/kg to 300 mcg/kg). Both alpha 1 and alpha 2 activity is observed following slow intravenous infusion of high doses (greater than or equal to 1000 mcg/kg) or with rapid intravenous administration.
12.2Pharmacodynamics In a study in healthy adult volunteers (N = 10), respiratory rate and oxygen saturation remained within normal limits and there was no evidence of respiratory depression when dexmedetomidine injection was administered by intravenous infusion at doses within the recommended dose range (0.2–0.7 mcg/kg/hr).
12.3Pharmacokinetics Following intravenous administration to adults, dexmedetomidine exhibits the following pharmacokinetic parameters: a rapid distribution phase with a distribution half-life (t 1/2 ) of approximately 6 minutes; a terminal elimination half-life (t 1/2 ) of approximately 2 hours; and steady-state volume of distribution (V ss ) of approximately 118 liters. Clearance is estimated to be approximately 39 L/hour. The mean body weight associated with this clearance estimate was 72 kg.
Dexmedetomidine exhibits linear pharmacokinetics in the dosage range of 0.2 to 0.7 mcg/kg/hr when administered to adults by intravenous infusion for up to 24 hours. Table 8 shows the main pharmacokinetic parameters when dexmedetomidine injection was infused (after appropriate loading doses) at maintenance infusion rates of 0.17 mcg/kg/hr (target plasma concentration of 0.3 ng/mL) for 12 and 24 hours, 0.33 mcg/kg/hr (target plasma concentration of 0.6 ng/mL) for 24 hours, and 0.70 mcg/kg/hr (target plasma concentration of 1.25 ng/mL) for 24 hours.
Table 8: Mean ± SD Pharmacokinetic Parameters in Adults Parameter Loading Infusion (min)/Total Infusion Duration (hrs) 10 min/12 hrs 10 min/24 hrs 10 min/24 hrs 35 min/24 hrs Dexmedetomidine Target Plasma Concentration (ng/mL) and Dose (mcg/kg/hr) 0.3/0.17 0.3/0.17 0.6/0.33 1.25/0.70 t 1/2 *, hour 1.78 ± 0.30 2.22 ± 0.59 2.23 ± 0.21 2.50 ±
0.61CL, liter/hour 46.3 ± 8.3 43.1 ± 6.5 35.3 ± 6.8 36.5 ±
7.5V ss , liter 88.7 ± 22.9 102.4 ± 20.3 93.6 ± 17.0 99.6 ±
17.8Avg Css #, ng/mL 0.27 ± 0.05 0.27 ± 0.05 0.67 ± 0.10 1.37 ±
0.20Abbreviations: t 1/2 = half-life, CL = clearance, Vss = steady-state volume of distribution. * Presented as harmonic mean and pseudo standard deviation. # Mean Css = Average steady-state concentration of dexmedetomidine. The mean Css was calculated based on post- dose sampling from 2.5 to 9 hours samples for 12 hour infusion and post-dose sampling from 2.5 to 18 hours for 24 hour infusions. The loading doses for each of the above indicated groups were 0.5, 0.5, 1 and 2.2 mcg/kg, respectively.
Dexmedetomidine pharmacokinetic parameters in adults after dexmedetomidine maintenance doses of 0.2 to 1.4 mcg/kg/hr for >24 hours were similar to the pharmacokinetics (PK) parameters after dexmedetomidine injection maintenance dosing for < 24 hours in other studies. The values for clearance (CL), volume of distribution (V), and t 1/2 were
39.4L/hr, 152 L, and 2.67 hours, respectively. Distribution The steady-state volume of distribution (V ss ) of dexmedetomidine was approximately 118 liters. Dexmedetomidine protein binding was assessed in the plasma of normal healthy male and female subjects.
The average protein binding was 94% and was constant across the different plasma concentrations tested. Protein binding was similar in males and females. The fraction of dexmedetomidine that was bound to plasma proteins was significantly decreased in subjects with hepatic impairment compared to healthy subjects.
The potential for protein binding displacement of dexmedetomidine by fentanyl, ketorolac, theophylline, digoxin and lidocaine was explored in vitro , and negligible changes in the plasma protein bin… [Excerpted — this section continues on DailyMed.]
🧬 Mechanism of Action ▾
12.1Mechanism of Action Dexmedetomidine is a relatively selective centrally acting alpha 2 -adrenergic agonist with sedative properties. Alpha 2 selectivity was observed in animals following slow intravenous infusion of low and medium doses (10 mcg/kg to 300 mcg/kg). Both alpha 1 and alpha 2 activity is observed following slow intravenous infusion of high doses (greater than or equal to 1000 mcg/kg) or with rapid intravenous administration.
📦 How Supplied / Storage and Handling ▾
16 HOW SUPPLIED/STORAGE AND HANDLING Dexmedetomidine Injection, USP is clear and colorless, and is available in a 100 mcg/mL strength in clear glass, multiple-dose vials as follows: NDC No. Strength Package 700069- 758 -04 400 mcg/4 mL (100 mcg/mL) 4 vials/carton 700069- 759 -04 1000 mcg/10 mL(100 mcg/mL) 4 vials/carton Store vials at 20℃ to 25°C (68℉ to 77°F); excursions permitted 15℃ to 30°C (59℉ to 86°F) [see USP Controlled Room Temperature]. Protect from light.
📋 Description ▾
11 DESCRIPTION Dexmedetomidine Injection, USP is a sterile, nonpyrogenic solution suitable for intravenous infusion following dilution. Dexmedetomidine Injection contains the dexmedetomidine as active pharmaceutical ingredient in the form of the hydrochloride salt form. Dexmedetomidine hydrochloride is a central alpha-2 adrenergic agonist.
Structurally it is the S -enantiomer of medetomidine and is chemically described as 4-[( S )-α,2,3-Trimethylbenzyl]imidazole monohydrochloride. Dexmedetomidine hydrochloride has a molecular weight of 236.7 and the empirical formula is C 13 H 16 N 2 • HCl and the structural formula is: Dexmedetomidine hydrochloride is a white or almost white crystalline powder that is freely soluble in water and has a pKa of 7.1. Its partition coefficient in-octanol: water at pH 7.4 is 2.89.
Dexmedetomidine Injection is supplied as a clear, colorless, isotonic solution with a pH of 4.5 to 7. Each mL contains 118 mcg of dexmedetomidine hydrochloride USP, equivalent to 100 mcg (0.1 mg) of dexmedetomidine, 1.6 mg of methylparaben NF and 0.2 mg of propylparaben NF, as preservatives and 9 mg of sodium chloride USP, as tonicity agent in water for injection. Image
💬 Information for Patients ▾
17 PATIENT COUNSELING INFORMATION Dexmedetomidine is indicated for short-term intravenous sedation. Dosage must be individualized and titrated to the desired clinical effect. Blood pressure, heart rate and oxygen levels will be monitored both continuously during the infusion of dexmedetomidine and as clinically appropriate after discontinuation.
When dexmedetomidine is infused for more than 6 hours, patients should be informed to report nervousness, agitation, and headaches that may occur for up to 48 hours. Additionally, patients should be informed to report symptoms that may occur within 48 hours after the administration of dexmedetomidine injection such as: weakness, confusion, excessive sweating, weight loss, abdominal pain, salt cravings, diarrhea, constipation, dizziness or light-headedness. Advise breastfeeding mothers who were exposed to dexmedetomidine to monitor breastfed neonates for irritability [see Use in Specific Populations (8.2)] .
🧬 Pharmacokinetics ▾
12.3Pharmacokinetics Following intravenous administration to adults, dexmedetomidine exhibits the following pharmacokinetic parameters: a rapid distribution phase with a distribution half-life (t 1/2 ) of approximately 6 minutes; a terminal elimination half-life (t 1/2 ) of approximately 2 hours; and steady-state volume of distribution (V ss ) of approximately 118 liters. Clearance is estimated to be approximately 39 L/hour. The mean body weight associated with this clearance estimate was 72 kg.
Dexmedetomidine exhibits linear pharmacokinetics in the dosage range of 0.2 to 0.7 mcg/kg/hr when administered to adults by intravenous infusion for up to 24 hours. Table 8 shows the main pharmacokinetic parameters when dexmedetomidine injection was infused (after appropriate loading doses) at maintenance infusion rates of 0.17 mcg/kg/hr (target plasma concentration of 0.3 ng/mL) for 12 and 24 hours, 0.33 mcg/kg/hr (target plasma concentration of 0.6 ng/mL) for 24 hours, and 0.70 mcg/kg/hr (target plasma concentration of 1.25 ng/mL) for 24 hours.
Table 8: Mean ± SD Pharmacokinetic Parameters in Adults Parameter Loading Infusion (min)/Total Infusion Duration (hrs) 10 min/12 hrs 10 min/24 hrs 10 min/24 hrs 35 min/24 hrs Dexmedetomidine Target Plasma Concentration (ng/mL) and Dose (mcg/kg/hr) 0.3/0.17 0.3/0.17 0.6/0.33 1.25/0.70 t 1/2 *, hour 1.78 ± 0.30 2.22 ± 0.59 2.23 ± 0.21 2.50 ±
0.61CL, liter/hour 46.3 ± 8.3 43.1 ± 6.5 35.3 ± 6.8 36.5 ±
7.5V ss , liter 88.7 ± 22.9 102.4 ± 20.3 93.6 ± 17.0 99.6 ±
17.8Avg Css #, ng/mL 0.27 ± 0.05 0.27 ± 0.05 0.67 ± 0.10 1.37 ±
0.20Abbreviations: t 1/2 = half-life, CL = clearance, Vss = steady-state volume of distribution. * Presented as harmonic mean and pseudo standard deviation. # Mean Css = Average steady-state concentration of dexmedetomidine. The mean Css was calculated based on post- dose sampling from 2.5 to 9 hours samples for 12 hour infusion and post-dose sampling from 2.5 to 18 hours for 24 hour infusions. The loading doses for each of the above indicated groups were 0.5, 0.5, 1 and 2.2 mcg/kg, respectively.
Dexmedetomidine pharmacokinetic parameters in adults after dexmedetomidine maintenance doses of 0.2 to 1.4 mcg/kg/hr for >24 hours were similar to the pharmacokinetics (PK) parameters after dexmedetomidine injection maintenance dosing for < 24 hours in other studies. The values for clearance (CL), volume of distribution (V), and t 1/2 were
39.4L/hr, 152 L, and 2.67 hours, respectively. Distribution The steady-state volume of distribution (V ss ) of dexmedetomidine was approximately 118 liters. Dexmedetomidine protein binding was assessed in the plasma of normal healthy male and female subjects.
The average protein binding was 94% and was constant across the different plasma concentrations tested. Protein binding was similar in males and females. The fraction of dexmedetomidine that was bound to plasma proteins was significantly decreased in subjects with hepatic impairment compared to healthy subjects.
The potential for protein binding displacement of dexmedetomidine by fentanyl, ketorolac, theophylline, digoxin and lidocaine was explored in vitro , and negligible changes in the plasma protein binding of dexmedetomidine were observed. The potential for protein binding displacement of phenytoin, warfarin, ibuprofen, propranolol, theophylline and digoxin by dexmedetomidine was explored in vitro and none of these compounds appeared to be significantly displaced by dexmedetomidine. Elimination Metabolism Dexmedetomidine undergoes almost complete biotransformation with very little unchanged dexmedetomidine excreted in urine and feces.
Biotransformation involves both direct glucuronidation as well as cytochrome P450 mediated metabolism. The major metabolic pathways of dexmedetomidine are: direct N-glucuronidation to inactive metabolites; aliphatic hydroxylation (mediated primarily by CYP2A6 with a minor role of CYP1A2, CYP2E1, CYP2D6 and CYP2C19) of dexmedetomidine to generate 3-hydroxy… [Excerpted — this section continues on DailyMed.]
🧬 Pharmacodynamics ▾
12.2Pharmacodynamics In a study in healthy adult volunteers (N = 10), respiratory rate and oxygen saturation remained within normal limits and there was no evidence of respiratory depression when dexmedetomidine injection was administered by intravenous infusion at doses within the recommended dose range (0.2–0.7 mcg/kg/hr).
🔬 Clinical Studies ▾
14 CLINICAL STUDIES The safety and efficacy of dexmedetomidine injection has been evaluated in four randomized, double-blind, placebo-controlled multicenter clinical trials in 1,185 adult patients.
14.1Intensive Care Unit Sedation Two randomized, double-blind, parallel-group, placebo-controlled multicenter clinical trials included 754 adult patients being treated in a surgical intensive care unit. All patients were initially intubated and received mechanical ventilation. These trials evaluated the sedative properties of dexmedetomidine injection by comparing the amount of rescue medication (midazolam in one trial and propofol in the second) required to achieve a specified level of sedation (using the standardized Ramsay Sedation Scale) between dexmedetomidine injection and placebo from onset of treatment to extubation or to a total treatment duration of 24 hours.
The Ramsay Level of Sedation Scale is displayed in Table 9. Table 9: Ramsay Level of Sedation Scale Clinical Score Level of Sedation Achieved 6 Asleep, no response 5 Asleep, sluggish response to light glabellar tap or loud auditory stimulus 4 Asleep, but with brisk response to light glabellar tap or loud auditory stimulus 3 Patient responds to commands 2 Patient cooperative, oriented, and tranquil 1 Patient anxious, agitated, or restless In the first study, 175 adult patients were randomized to receive placebo and 178 to receive dexmedetomidine injection by intravenous infusion at a dose of 0.4 mcg/kg/hr (with allowed adjustment between 0.2 and 0.7 mcg/kg/hr) following an initial loading infusion of one mcg/kg intravenous over 10 minutes.
The study drug infusion rate was adjusted to maintain a Ramsay sedation score of ≥3. Patients were allowed to receive "rescue" midazolam as needed to augment the study drug infusion. In addition, morphine sulfate was administered for pain as needed.
The primary outcome measure for this study was the total amount of rescue medication (midazolam) needed to maintain sedation as specified while intubated. Patients randomized to placebo received significantly more midazolam than patients randomized to dexmedetomidine injection (see Table 10). A second prospective primary analysis assessed the sedative effects of dexmedetomidine injection by comparing the percentage of adult patients who achieved a Ramsay sedation score of ≥3 during intubation without the use of additional rescue medication.
A significantly greater percentage of adult patients in the dexmedetomidine injection group maintained a Ramsay sedation score of ≥3 without receiving any midazolam rescue compared to the placebo group (see Table 10). Table 10: Midazolam Use as Rescue Medication During Intubation (ITT) Study One Placebo (N = 175) Dexmedetomidine Injection (N = 178) p-value Mean Total Dose (mg) of Midazolam 19 mg 5 mg 0.0011* Standard deviation 53 mg 19 mg Categorized Midazolam Use 0 mg 43 (25%) 108 (61%) <0.001** 0–4 mg 34 (19%) 36 (20%) >4 mg 98 (56%) 34 (19%) ITT (intent-to-treat) population includes all randomized patients. * ANOVA model with treatment center. ** Chi-square.
A prospective secondary analysis assessed the dose of morphine sulfate administered to adult patients in the dexmedetomidine injection and placebo groups. On average, dexmedetomidine injection-treated patients received less morphine sulfate for pain than placebo-treated patients (0.47 versus 0.83 mg/h). In addition, 44% (79 of 178 patients) of dexmedetomidine injection patients received no morphine sulfate for pain versus 19% (33 of 175 patients) in the placebo group.
In a second study, 198 adult patients were randomized to receive placebo and 203 to receive dexmedetomidine injection by intravenous infusion at a dose of 0.4 mcg/kg/hr (with allowed adjustment between 0.2 and 0.7 mcg/kg/hr) following an initial loading infusion of one mcg/kg intravenous over 10 minutes. The study drug infusion was adjusted to maintain a Ramsay sedation score of ≥3. Patients were allowed to receive "rescue" propof… [Excerpted — this section continues on DailyMed.]
🔒 Drug Abuse and Dependence ▾
9 DRUG ABUSE AND DEPENDENCE
9.1Controlled Substance Dexmedetomidine is not a controlled substance.
9.3Dependence The dependence potential of dexmedetomidine injection has not been studied in humans. However, since studies in rodents and primates have demonstrated that dexmedetomidine injection exhibits pharmacologic actions similar to those of clonidine, it is possible that dexmedetomidine injection may produce a clonidine-like withdrawal syndrome upon abrupt discontinuation [ see Warnings and Precautions (5.5) ].
🔒 Controlled Substance ▾
9.1Controlled Substance Dexmedetomidine is not a controlled substance.
🧪 Nonclinical Toxicology ▾
13 NONCLINICAL TOXICOLOGY
13.1Carcinogenesis, Mutagenesis, Impairment of Fertility Carcinogenesis Animal carcinogenicity studies have not been performed with dexmedetomidine. Mutagenesis Dexmedetomidine was not mutagenic in vitro , in either the bacterial reverse mutation assay ( E. coli and Salmonella typhimurium ) or the mammalian cell forward mutation assay (mouse lymphoma). Dexmedetomidine was clastogenic in the in vitro human lymphocyte chromosome aberration test with, but not without, rat S9 metabolic activation.
In contrast, dexmedetomidine was not clastogenic in the in vitro human lymphocyte chromosome aberration test with or without human S9 metabolic activation. Although dexmedetomidine was clastogenic in an in vivo mouse micronucleus test in NMRI mice, there was no evidence of clastogenicity in CD-1 mice. Impairment of Fertility Fertility in male or female rats was not affected after daily subcutaneous injections of dexmedetomidine at doses up to 54 mcg/kg (less than the maximum recommended human intravenous dose on a mcg/m 2 basis) administered from 10 weeks prior to mating in males, and 3 weeks prior to mating and during mating in females.
13.2Animal Pharmacology and/or Toxicology There were no differences in the adrenocorticotropic hormone (ACTH)-stimulated cortisol response in dogs following a single dose of dexmedetomidine compared to saline control. However, after continuous subcutaneous infusions of dexmedetomidine at 3 mcg/kg/hour and 10 mcg/kg/hour for one week in dogs (exposures estimated to be within the clinical range), the ACTH-stimulated cortisol response was diminished by approximately 27% and 40%, respectively, compared to saline-treated control animals indicating a dose-dependent adrenal suppression.
📄 Carcinogenesis, Mutagenesis, Impairment of Fertility ▾
13.1Carcinogenesis, Mutagenesis, Impairment of Fertility Carcinogenesis Animal carcinogenicity studies have not been performed with dexmedetomidine. Mutagenesis Dexmedetomidine was not mutagenic in vitro , in either the bacterial reverse mutation assay ( E. coli and Salmonella typhimurium ) or the mammalian cell forward mutation assay (mouse lymphoma). Dexmedetomidine was clastogenic in the in vitro human lymphocyte chromosome aberration test with, but not without, rat S9 metabolic activation.
In contrast, dexmedetomidine was not clastogenic in the in vitro human lymphocyte chromosome aberration test with or without human S9 metabolic activation. Although dexmedetomidine was clastogenic in an in vivo mouse micronucleus test in NMRI mice, there was no evidence of clastogenicity in CD-1 mice. Impairment of Fertility Fertility in male or female rats was not affected after daily subcutaneous injections of dexmedetomidine at doses up to 54 mcg/kg (less than the maximum recommended human intravenous dose on a mcg/m 2 basis) administered from 10 weeks prior to mating in males, and 3 weeks prior to mating and during mating in females.
📄 Recent Major Changes ▾
RECENT MAJOR CHANGES Dosage and Administration (2.1, 2.3, 2.4, 2.5, 2.6) 03/2024 Warnings and Precautions (5) 03/2024
📄 Package Label / Principal Display Panel ▾
PACKAGE LABEL.PRINCIPAL DISPLAY PANEL Container Label 4 mL Carton Label 4 mL Container Label 10 mL Caption: Carton Label 10 mL Caption: Image Image Image Image
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