ZOLPIDEM TARTRATE

ZOLPIDEM TARTRATE- zolpidem tartrate tablet
GAVIS Pharmaceuticals, LLC

1 INDICATIONS AND USAGE

Zolpidem Tartrate Sublingual Tablet is indicated for use as needed for the treatment of insomnia when a middle-of-the-night awakening is followed by difficulty returning to sleep.

Limitations of Use: Zolpidem Tartrate Sublingual Tablet is not indicated for the treatment of middle-of-the-night insomnia when the patient has fewer than 4 hours of bedtime remaining before the planned time of waking.

2 DOSAGE AND ADMINISTRATION

2.1 Important Administration Instructions

Zolpidem Tartrate Sublingual Tablet is to be taken in bed when a patient wakes in the middle of the night and has difficulty returning to sleep. Zolpidem Tartrate Sublingual Tablet should only be taken if the patient has at least 4 hours of bedtime remaining before the planned time of waking [see Warnings and Precautions (5.1)].

Zolpidem Tartrate Sublingual Tablet should be placed under the tongue and allowed to disintegrate completely before swallowing. The tablet should not be swallowed whole. For optimal effect, Zolpidem Tartrate Sublingual Tablet should not be administered with or immediately after a meal. The blister should be removed from the pouch just prior to dosing.

2.2 Basic Dosing Information

The recommended and maximum dose of Zolpidem Tartrate Sublingual Tablet is 1.75 mg for women and 3.5 mg for men, taken only once per night as needed if a middle-of-the-night awakening is followed by difficulty returning to sleep. The recommended doses for women and men are different because women clear zolpidem from the body at a lower rate than men [see Use in Specific Populations (8.6)].

2.3 Use with CNS Depressants

The recommended Zolpidem Tartrate Sublingual Tablet dose for men and women who are taking concomitant CNS depressants is 1.75 mg. Dose adjustment of concomitant CNS depressants may be necessary when co-administered with Zolpidem Tartrate Sublingual Tablet because of potentially additive effects. The use of Zolpidem Tartrate Sublingual Tablet with other sedative-hypnotics (including other zolpidem products) at bedtime or the middle of the night is not recommended [see Warnings and Precautions (5.1)].

2.4 Use in Geriatric Patients

Geriatric patients may be especially sensitive to the effects of zolpidem. The recommended dose of Zolpidem Tartrate Sublingual Tablets in men and women over 65 years old is 1.75 mg, taken only once per night if needed [see Use in Specific Populations (8.5)].

2.5 Use in Patients with Hepatic Impairment

The recommended dose of Zolpidem Tartrate Sublingual Tablet in patients with hepatic impairment is 1.75 mg, taken only once per night if needed [see Clinical Pharmacology (12.3)].

3 DOSAGE FORMS AND STRENGTHS

Zolpidem Tartrate Sublingual Tablets are available as 1.75 mg and 3.5 mg tablets for sublingual administration.

Zolpidem Tartrate Sublingual Tablets 1.75 mg are white to off white, round, flat faced beveled edged tablets debossed with “N2″on one side and plain on the other side.

Zolpidem Tartrate Sublingual Tablets 3.5 mg are white to off white, round, flat faced beveled edged tablets debossed with “NP”on one side and plain on the other side.

4 CONTRAINDICATIONS

Zolpidem Tartrate Sublingual Tablets are contraindicated in patients with known hypersensitivity to zolpidem. Observed reactions with zolpidem include anaphylaxis and angioedema [see Warnings and Precautions (5.3)].

5 WARNINGS AND PRECAUTIONS

5.1 CNS Depressant Effects and Next-Day Impairment

Zolpidem Tartrate Sublingual Tablets, like other sedative-hypnotic drugs, has central nervous system (CNS) depressant effects. Co-administration with other CNS depressants (e.g., benzodiazepines, opioids, tricyclic antidepressants, alcohol) increases the risk of CNS depression. Dosage adjustments of Zolpidem Tartrate Sublingual Tablets and of other concomitant CNS depressants may be necessary when Zolpidem Tartrate Sublingual Tablets are administered with such agents because of the potentially additive effects. The use of Zolpidem Tartrate Sublingual Tablets with other sedative-hypnotics (including other zolpidem products) at bedtime or the middle of the night is not recommended [see Dosage and Administration (2.3)].

In a driving study, healthy subjects who received Zolpidem Tartrate Sublingual Tablets with fewer than four hours of bedtime remaining had evidence of impaired driving compared to subjects who received placebo [see Clinical Studies (14.2)]. The risk of next-day driving impairment (and psychomotor impairment) is increased if Zolpidem Tartrate Sublingual Tablets is taken with less than 4 hours of bedtime remaining, if higher than recommended dose is taken, if co-administered with other CNS depressants, or co-administered with other drugs that increase the blood levels of zolpidem.

5.2 Need to Evaluate for Co-morbid Diagnoses

Because sleep disturbances may be the presenting manifestation of a physical and/or psychiatric disorder, symptomatic treatment of insomnia should be initiated only after a careful evaluation of the patient. The failure of insomnia to remit after 7 to 10 days of treatment may indicate the presence of a primary psychiatric and/or medical illness that should be evaluated. Worsening of insomnia or the emergence of new thinking or behavior abnormalities may be the consequence of an unrecognized psychiatric or physical disorder. Such findings have emerged during the course of treatment with sedative-hypnotic drugs, including zolpidem.

5.3 Severe Anaphylactic and Anaphylactoid Reactions

Cases of angioedema involving the tongue, glottis, or larynx have been reported in patients after taking the first or subsequent doses of zolpidem. Some patients have had additional symptoms such as dyspnea, throat closing, or nausea and vomiting that suggest anaphylaxis. Some patients have required medical therapy in the emergency department. If angioedema involves the throat, glottis or larynx, airway obstruction may occur and be fatal. Patients who develop angioedema or anaphylaxis after treatment with zolpidem should not be rechallenged with Zolpidem Tartrate Sublingual Tablets.

5.4 Abnormal Thinking and Behavioral Changes

Abnormal thinking and behavior changes have been reported in patients treated with sedative-hypnotics including zolpidem. Some of these changes included decreased inhibition (e.g., aggressiveness and extroversion that seemed out of character), bizarre behavior, agitation, and depersonalization. Visual and auditory hallucinations have also been reported.

In controlled trials of zolpidem tartrate 10 mg taken at bedtime, < 1% of adults with insomnia who received zolpidem reported hallucinations. In a clinical trial, 7% of pediatric patients treated with zolpidem tartrate 0.25 mg/kg taken at bedtime, reported hallucinations, versus 0% treated with placebo [see Use in Specific Populations (8.4)].

Complex behaviors such as “sleep-driving” (i.e., driving while not fully awake after ingestion of a sedative-hypnotic, with amnesia for the event) have been reported in sedative-hypnotic-naive as well as in sedative-hypnotic-experienced persons. Although behaviors such as sleep-driving” have occurred with zolpidem alone at therapeutic doses, the co-administration of zolpidem with alcohol and other CNS depressants increases the risk of such behaviors, as does the use of zolpidem at doses exceeding the maximum recommended dose. Due to the risk to the patient and the community, discontinuation of Zolpidem Tartrate Sublingual Tablets should be strongly considered for patients who report a “sleep-driving” episode.

Other complex behaviors (e.g., preparing and eating food, making phone calls, or having sex) have been reported in patients who are not fully awake after taking a sedative-hypnotic. As with “sleep-driving”, patients usually do not remember these events. Amnesia, anxiety and other neuro-psychiatric symptoms may also occur.

The emergence of any new behavioral sign or symptom of concern requires careful and immediate evaluation.

5.5 Use in Patients with Depression

In primarily depressed patients treated with sedative-hypnotics, worsening of depression, and suicidal thoughts and actions (including completed suicides), have been reported. Suicidal tendencies may be present in such patients and protective measures may be required. Intentional overdosage is more common in this group of patients; therefore, the lowest number of tablets that is feasible should be prescribed for the patient at any one time.

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