Зодорм снотворное инструкция по применению взрослым

Название медикамента

Zodorm

Состав

Zolpidem

Терапевтические показания

Нарушения сна: затрудненное засыпание, ранние и ночные пробуждения.

Способ применения и дозы

Противопоказания

Побочные эффекты

Передозировка

Фармакодинамика

Фармакокинетика

Фармокологическая группа

Взаимодействие

Источники:

• https://www.drugs.com/search.php?searchterm=zodorm
• https://pubmed.ncbi.nlm.nih.gov/?term=zodorm

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The following serious adverse reactions are discussed in greater detail in other sections of the labeling:

• CNS-depressant effects and next-day impairment
• Serious anaphylactic and anaphylactoid reactions
• Abnormal thinking and behavior changes, and complex behaviors
• Withdrawal effects

Clinical Trials Experience

Associated With Discontinuation Of Treatment

Approximately 4% of 1,701 patients who received zolpidem tartrate at all doses (1.25 to 90 mg) in U.S. premarketing clinical trials discontinued treatment because of an adverse reaction. Reactions most commonly associated with discontinuation from U.S. trials were daytime drowsiness (0.5%), dizziness (0.4%), headache (0.5%), nausea (0.6%), and vomiting (0.5%).

Approximately 4% of 1,959 patients who received zolpidem tartrate at all doses (1 to 50 mg) in similar foreign trials discontinued treatment because of an adverse reaction. Reactions most commonly associated with discontinuation from these trials were daytime drowsiness (1.1%), dizziness/vertigo (0.8%), amnesia (0.5%), nausea (0.5%), headache (0.4%), and falls (0.4%).

Data from a clinical study in which selective serotonin reuptake inhibitor (SSRI)-treated patients were given zolpidem tartrate revealed that four of the seven discontinuations during double-blind treatment with zolpidem (n=95) were associated with impaired concentration, continuing or aggravated depression, and manic reaction; one patient treated with placebo (n=97) was discontinued after an attempted suicide.

Most Commonly Observed Adverse Reactions In Controlled Trials

During short-term treatment (up to 10 nights) with zolpidem tartrate at doses up to 10 mg, the most commonly observed adverse reactions associated with the use of zolpidem and seen at statistically significant differences from placebo-treated patients were drowsiness (reported by 2% of zolpidem patients), dizziness (1%), and diarrhea (1%). During longer-term treatment (28 to 35 nights) with zolpidem tartrate at doses up to 10 mg, the most commonly observed adverse reactions associated with the use of zolpidem and seen at statistically significant differences from placebo-treated patients were dizziness (5%) and drugged feelings (3%).

Adverse Reactions Observed At An Incidence Of = 1% In Controlled Trials

The following tables enumerate treatment-emergent adverse event frequencies that were observed at an incidence equal to 1% or greater among patients with insomnia who received zolpidem tartrate and at a greater incidence than placebo in U.S. placebo-controlled trials. Events reported by investigators were classified utilizing a modified World Health Organization (WHO) dictionary of preferred terms for the purpose of establishing event frequencies. The prescriber should be aware that these figures cannot be used to predict the incidence of side effects in the course of usual medical practice, in which patient characteristics and other factors differ from those that prevailed in these clinical trials. Similarly, the cited frequencies cannot be compared with figures obtained from other clinical investigators involving related drug products and uses, since each group of drug trials is conducted under a different set of conditions. However, the cited figures provide the physician with a basis for estimating the relative contribution of drug and nondrug factors to the incidence of side effects in the population studied.

The following table was derived from a pool of 11 placebo-controlled short-term U.S. efficacy trials involving zolpidem in doses ranging from 1.25 to 20 mg. The table is limited to data from doses up to and including 10 mg, the highest dose recommended for use.

TABLE 1: Incidence of Treatment-Emergent Adverse Experiences in Placebo-Controlled Clinical Trials with zolpidem tartrate lasting up to 10 nights (Percentage of patients reporting)

The following table was derived from a pool of three placebo-controlled long-term efficacy trials involving oral zolpidem. These trials involved patients with chronic insomnia who were treated for 28 to 35 nights with zolpidem at doses of 5, 10, or 15 mg. The table is limited to data from doses up to and including 10 mg, the highest dose recommended for use. The table includes only adverse events occurring at an incidence of at least 1% for zolpidem patients.

TABLE 2: Incidence of Treatment-Emergent Adverse Experiences in Placebo-Controlled Clinical Trials with zolpidem tartrate lasting up to 35 nights (Percentage of patients reporting)

Dose Relationship For Adverse Reactions Associated With Oral Zolpidem

There is evidence from dose comparison trials suggesting a dose relationship for many of the adverse reactions associated with oral zolpidem use, particularly for certain CNS and gastrointestinal adverse events.

Oral Tissue-Related Adverse Reactions To Zodorm

The effect of chronic daily administration of Zodorm on oral tissue was evaluated in a 60-day open-label study in 60 insomniac patients. One patient developed transient sublingual erythema, and another transient paresthesia of the tongue.

Adverse Event Incidence Across The Entire Preapproval Oral Zolpidem Database

Zolpidem was administered to 3,660 subjects in clinical trials throughout the U.S., Canada, and Europe. Treatment-emergent adverse events associated with clinical trial participation were recorded by clinical investigators using terminology of their own choosing. To provide a meaningful estimate of the proportion of individuals experiencing treatment-emergent adverse events, similar types of untoward events were grouped into a smaller number of standardized event categories and classified utilizing a modified World Health Organization (WHO) dictionary of preferred terms.

The frequencies presented, therefore, represent the proportions of the 3,660 individuals exposed to zolpidem, at all doses, who experienced an event of the type cited on at least one occasion while receiving zolpidem. All reported treatment-emergent adverse events are included, except those already listed in the table above of adverse events in placebo-controlled studies, those coding terms that are so general as to be uninformative, and those events where a drug cause was remote. It is important to emphasize that, although the events reported did occur during treatment with zolpidem, they were not necessarily caused by it.

Adverse events are further classified within body system categories and enumerated in order of decreasing frequency using the following definitions: frequent adverse events are defined as those occurring in greater than 1/100 subjects; infrequent adverse events are those occurring in 1/100 to 1/1,000 patients; rare events are those occurring in less than 1/1,000 patients.

Autonomic nervous system: Infrequent: increased sweating, pallor, postural hypotension, syncope. Rare: abnormal accommodation, altered saliva, flushing, glaucoma, hypotension, impotence, increased saliva, tenesmus.

Body as a whole: Frequent: asthenia. Infrequent: edema, falling, fever, malaise, trauma.

Rare: allergic reaction, allergy aggravated, anaphylactic shock, face edema, hot flashes, increased ESR, pain, restless legs, rigors, tolerance increased, weight decrease.

Cardiovascular system: Infrequent: cerebrovascular disorder, hypertension, tachycardia.

Rare: angina pectoris, arrhythmia, arteritis, circulatory failure, extrasystoles, hypertension aggravated, myocardial infarction, phlebitis, pulmonary embolism, pulmonary edema, varicose veins, ventricular tachycardia.

Central and peripheral nervous system: Frequent: ataxia, confusion, euphoria, headache, insomnia, vertigo. Infrequent: agitation, anxiety, decreased cognition, detached, difficulty concentrating, dysarthria, emotional lability, hallucination, hypoesthesia, illusion, leg cramps, migraine, nervousness, paresthesia, sleeping (after daytime dosing), speech disorder, stupor, tremor. Rare: abnormal gait, abnormal thinking, aggressive reaction, apathy, appetite increased, decreased libido, delusion, dementia, depersonalization, dysphasia, feeling strange, hypokinesia, hypotonia, hysteria, intoxicated feeling, manic reaction, neuralgia, neuritis, neuropathy, neurosis, panic attacks, paresis, personality disorder, somnambulism, suicide attempts, tetany, yawning.

Gastrointestinal system: Frequent: dyspepsia, hiccup, nausea. Infrequent: anorexia, constipation, dysphagia, flatulence, gastroenteritis, vomiting. Rare: enteritis, eructation, esophagospasm, gastritis, hemorrhoids, intestinal obstruction, rectal hemorrhage, tooth caries.

Hematologic and lymphatic system: Rare: anemia, hyperhemoglobinemia, leukopenia, lymphadenopathy, macrocytic anemia, purpura, thrombosis.

Immunologic system: Infrequent: infection. Rare: abscess herpes simplex herpes zoster, otitis externa, otitis media.

Liver and biliary system: Infrequent: abnormal hepatic function, increased SGPT. Rare: bilirubinemia, increased SGOT.

Metabolic and nutritional: Infrequent: hyperglycemia, thirst. Rare: gout, hypercholesteremia, hyperlipidemia, increased alkaline phosphatase, increased BUN, periorbital edema.

Musculoskeletal system: Frequent: arthralgia, myalgia. Infrequent: arthritis. Rare: arthrosis, muscle weakness, sciatica, tendinitis.

Reproductive system: Infrequent: menstrual disorder, vaginitis. Rare: breast fibroadenosis, breast neoplasm, breast pain.

Respiratory system: Frequent: upper respiratory infection. Infrequent: bronchitis, coughing, dyspnea, rhinitis. Rare: bronchospasm, epistaxis, hypoxia, laryngitis, pneumonia.

Skin and appendages: Infrequent: pruritus. Rare: acne, bullous eruption, dermatitis, furunculosis, injection-site inflammation, photosensitivity reaction, urticaria.

Special senses: Frequent: diplopia, vision abnormal. Infrequent: eye irritation, eye pain, scleritis, taste perversion, tinnitus. Rare: conjunctivitis, corneal ulceration, lacrimation abnormal, parosmia, photopsia.

Urogenital system: Frequent: urinary tract infection. Infrequent: cystitis, urinary incontinence. Rare: acute renal failure, dysuria, micturition frequency, nocturia, polyuria, pyelonephritis, renal pain, urinary retention.

These effects seem to be related with individual sensitivity and to appear more often within the hour following the drug intake if the patient does not go to bed or does not sleep immediately.

The adverse drug reactions are stated in the table below using the following convention:

Very common (>1/10); common (>1/100; <1/10); uncommon (>1/1,000; <1/100); rare (>1/10,000; <1/1,000); very rare (<1/10,000) including isolated reports; not known (cannot be estimated from available data).

There is evidence for a dose connection for reactions associated with use of Zodorm, especially certain CNS reactions and gastrointestinal events. Theoretically they should be less if Zodorm is taken immediately before bedtime. They occur most frequently in elderly patients.

These phenomena occur predominantly at the start of the therapy or in elderly patients and usually disappear with repeated administration.

Amnesia

Anterograde amnesia may occur during therapeutic dosages, the risk increasing at higher dosages. In order to reduce the risk, patients should ensure that they will be able to have an uninterrupted sleep of 8 hours. Amnestic effects may be associated with inappropriate behaviour.

Depression

Pre-existing depression may become manifest during use of benzodiazepines or benzodiazepine-like agents.

Psychiatric and “paradoxical” reactions

Reactions like restlessness, agitation, irritability, aggressiveness, delusions, rage, nightmares, increased insomnia, hallucinations, psychoses, inappropriate behaviour and other adverse behavioural effects may occur when using benzodiazepines and benzodiazepine-like agents. Such reactions are more likely to occur in the elderly.

Dependence

Use (even at therapeutic dosages) may lead to physical dependence: discontinuation of the therapy may result in withdrawal or rebound phenomena.

Psychological dependence may occur. Abuse has been reported in polydrug abusers.

Reporting of suspected adverse reactions

Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard.

The following CIOMS frequency rating is used, when applicable:

Very common > 10%

Common > 1 and < 10%

Uncommon > 0.1 and < 1%

Rare > 0.01 and < 0.1%

Very rare < 0.01%

Not known: cannot be estimated based on available data.

There is evidence of a dose-relationship for adverse effects associated with zolpidem use, particularly for certain CNS and gastrointestinal events. They occur most frequently in elderly patients.

Immune system disorders

Not known: angioneurotic oedema

Psychiatric disorders

Common: hallucination, agitation, nightmare, depression

Uncommon: confusional state, irritability, restlessness, aggression, somnambulism , euphoric mood

Rare: libido disorder

Very rare: delusion, dependence (withdrawal symptoms, or rebound effects may occur after treatment discontinuation)

Not known: anger, psychosis, abnormal behaviour

Most of these psychiatric undesirable effects are related to paradoxical reactions.

Nervous system disorders

Common: somnolence, headache, dizziness, exacerbated insomnia, cognitive disorders such as anterograde amnesia (amnestic effects may be associated with inappropriate behaviour)

Uncommon: paraesthesia, tremor, disturbance in attention, speech disorder

Rare: depressed level of consciousness

Eye disorders

Uncommon: diplopia, vision blurred

Very rare: visual impairment

Respiratory, thoracic and mediastinal disorders

Very rare: respiratory depression

Gastro-intestinal disorders

Common: diarrhoea, nausea, vomiting, abdominal pain

Hepatobiliary disorders

Uncommon: liver enzymes elevated

Rare: hepatocellular, cholestatic or mixed liver injury

Metabolism and nutrition disorders

Uncommon: appetite disorder

Skin and subcutaneous tissue disorders

Uncommon: rash, pruritus, hyperhidrosis

Rare: urticaria

Musculoskeletal and connective tissue disorders

Common: back pain

Uncommon: myalgia, muscle spasms, muscular weakness

Infections and infestations

Common: upper respiratory tract infection, lower respiratory tract infection

General disorders and administration site conditions

Common: fatigue

Rare: gait disturbance, fall (predominantly in elderly patients and when zolpidem was not taken in accordance with prescribing recommendation)

Not known: drug tolerance

Reporting of suspected adverse reactions

Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store.

The following serious adverse reactions are discussed in greater detail in other sections of the labeling:

• CNS-depressant effects and next-day impairment
• Serious anaphylactic and anaphylactoid reactions
• Abnormal thinking and behavior changes, and complex behaviors
• Withdrawal effects

Clinical Trials Experience

Associated With Discontinuation Of Treatment

In 3-week clinical trials in adults and elderly patients ( > 65 years), 3.5% (7/201) patients receiving Zodorm 6.25 or 12.5 mg discontinued treatment due to an adverse reaction as compared to 0.9% (2/216) of patients on placebo. The reaction most commonly associated with discontinuation in patients treated with Zodorm was somnolence (1%).

In a 6-month study in adult patients (18-64 years of age), 8.5% (57/669) of patients receiving Zodorm 12.5 mg as compared to 4.6% on placebo (16/349) discontinued treatment due to an adverse reaction. Reactions most commonly associated with discontinuation of Zodorm included anxiety (anxiety, restlessness or agitation) reported in 1.5% (10/669) of patients as compared to 0.3% (1/349) of patients on placebo, and depression (depression, major depression or depressed mood) reported in 1.5% (10/669) of patients as compared to 0.3% (1/349) of patients on placebo.

Data from a clinical study in which selective serotonin reuptake inhibitor-(SSRI-) treated patients were given zolpidem revealed that four of the seven discontinuations during double-blind treatment with zolpidem (n=95) were associated with impaired concentration, continuing or aggravated depression, and manic reaction; one patient treated with placebo (n =97) was discontinued after an attempted suicide.

Most Commonly Observed Adverse Reactions In Controlled Trials

During treatment with Zodorm in adults and elderly at daily doses of 12.5 mg and 6.25 mg, respectively, each for three weeks, the most commonly observed adverse reactions associated with the use of Zodorm were headache, next-day somnolence, and dizziness.

In the 6-month trial evaluating Zodorm 12.5 mg, the adverse reaction profile was consistent with that reported in short-term trials, except for a higher incidence of anxiety (6.3% for Zodorm versus 2.6% for placebo).

Adverse Reactions Observed At An Incidence Of ≥ 1% In Controlled Trials

The following tables enumerate treatment-emergent adverse reaction frequencies that were observed at an incidence equal to 1% or greater among patients with insomnia who received Zodorm in placebo-controlled trials. Events reported by investigators were classified utilizing the MedDRA dictionary for the purpose of establishing event frequencies. The prescriber should be aware that these figures cannot be used to predict the incidence of side effects in the course of usual medical practice, in which patient characteristics and other factors differ from those that prevailed in these clinical trials. Similarly, the cited frequencies cannot be compared with figures obtained from other clinical investigators involving related drug products and uses, since each group of drug trials is conducted under a different set of conditions. However, the cited figures provide the physician with a basis for estimating the relative contribution of drug and nondrug factors to the incidence of side effects in the population studied.

The following tables were derived from results of two placebo-controlled efficacy trials involving Zodorm. These trials involved patients with primary insomnia who were treated for 3 weeks with Zodorm at doses of 12.5 mg (Table 1) or 6.25 mg (Table 2), respectively. The tables include only adverse reactions occurring at an incidence of at least 1% for Zodorm patients and with an incidence greater than that seen in the placebo patients.

Table 1: Incidences of Treatment-Emergent Adverse Reactions in a 3-Week Placebo-Controlled Clinical Trial in Adults (percentage of patients reporting)

Table 2: Incidences of Treatment-Emergent Adverse Reactions in a 3-Week Placebo-Controlled Clinical Trial in Elderly (percentage of patients reporting)

Dose Relationship For Adverse Reactions

There is evidence from dose comparison trials suggesting a dose relationship for many of the adverse reactions associated with zolpidem use, particularly for certain CNS and gastrointestinal adverse events.

Other Adverse Reactions Observed During The Premarketing Evaluation Of Zodorm

Other treatment-emergent adverse reactions associated with participation in Zodorm studies (those reported at frequencies of < 1%) were not different in nature or frequency to those seen in studies with immediate-release zolpidem tartrate, which are listed below.

Adverse Events Observed During The Premarketing Evaluation Of Immediate-Release Zolpidem Tartrate

Immediate-release zolpidem tartrate was administered to 3,660 subjects in clinical trials throughout the U.S., Canada, and Europe. Treatment-emergent adverse events associated with clinical trial participation were recorded by clinical investigators using terminology of their own choosing. To provide a meaningful estimate of the proportion of individuals experiencing treatment-emergent adverse events, similar types of untoward events were grouped into a smaller number of standardized event categories and classified utilizing a modified World Health Organization (WHO) dictionary of preferred terms.

The frequencies presented, therefore, represent the proportions of the 3,660 individuals exposed to zolpidem, at all doses, who experienced an event of the type cited on at least one occasion while receiving zolpidem. All reported treatment-emergent adverse events are included, except those already listed in the table above of adverse events in placebo-controlled studies, those coding terms that are so general as to be uninformative, and those events where a drug cause was remote. It is important to emphasize that, although the events reported did occur during treatment with AMBIEN, they were not necessarily caused by it.

Adverse events are further classified within body system categories and enumerated in order of decreasing frequency using the following definitions: frequent adverse events are defined as those occurring in greater than 1/100 subjects; infrequent adverse events are those occurring in 1/100 to 1/1,000 patients; rare events are those occurring in less than 1/1,000 patients.

Autonomic nervous system: Frequent: dry mouth. Infrequent: increased sweating, pallor, postural hypotension, syncope. Rare: abnormal accommodation, altered saliva, flushing, glaucoma, hypotension, impotence, increased saliva, tenesmus.

Body as a whole: Frequent: asthenia. Infrequent: chest pain, edema, falling, fever, malaise, trauma. Rare: allergic reaction, allergy aggravated, anaphylactic shock, face edema, hot flashes, increased ESR, pain, restless legs, rigors, tolerance increased, weight decrease.

Cardiovascular system: Infrequent: cerebrovascular disorder, hypertension, tachycardia. Rare: angina pectoris, arrhythmia, arteritis, circulatory failure, extrasystoles, hypertension aggravated, myocardial infarction, phlebitis, pulmonary embolism, pulmonary edema, varicose veins, ventricular tachycardia.

Central and peripheral nervous system: Frequent: ataxia, confusion, drowsiness, drugged feeling, euphoria, insomnia, lethargy, lightheadedness, vertigo. Infrequent: agitation, decreased cognition, detached, difficulty concentrating, dysarthria, emotional lability, hallucination, hypoesthesia, illusion, leg cramps, migraine, nervousness, paresthesia, sleeping (after daytime dosing), speech disorder, stupor, tremor. Rare: abnormal gait, abnormal thinking, aggressive reaction, apathy, appetite increased, decreased libido, delusion, dementia, depersonalization, dysphasia, feeling strange, hypokinesia, hypotonia, hysteria, intoxicated feeling, manic reaction, neuralgia, neuritis, neuropathy, neurosis, panic attacks, paresis, personality disorder, somnambulism, suicide attempts, tetany, yawning.

Gastrointestinal system: Frequent: diarrhea, dyspepsia, hiccup. Infrequent: anorexia, constipation, dysphagia, flatulence, gastroenteritis. Rare: enteritis, eructation, esophagospasm, gastritis, hemorrhoids, intestinal obstruction, rectal hemorrhage, tooth caries.

Hematologic and lymphatic system: Rare: anemia, hyperhemoglobinemia, leukopenia, lymphadenopathy, macrocytic anemia, purpura, thrombosis.

Immunologic system: Infrequent: infection. Rare: abscess herpes simplex herpes zoster, otitis externa, otitis media.

Liver and biliary system: Infrequent: abnormal hepatic function, increased SGPT. Rare: bilirubinemia, increased SGOT.

Metabolic and nutritional: Infrequent: hyperglycemia, thirst. Rare: gout, hypercholesteremia, hyperlipidemia, increased alkaline phosphatase, increased BUN, periorbital edema.

Musculoskeletal system: Infrequent: arthritis. Rare: arthrosis, muscle weakness, sciatica, tendinitis.

Reproductive system: Infrequent: menstrual disorder, vaginitis. Rare: breast fibroadenosis, breast neoplasm, breast pain.

Respiratory system: Frequent: sinusitis. Infrequent: bronchitis, coughing, dyspnea. Rare: bronchospasm, respiratory depression, epistaxis, hypoxia, laryngitis, pneumonia.

Skin and appendages: Infrequent: pruritus. Rare: acne, bullous eruption, dermatitis, furunculosis, injection-site inflammation, photosensitivity reaction, urticaria.

Special senses: Frequent: diplopia, vision abnormal. Infrequent: eye irritation, eye pain, scleritis, taste perversion, tinnitus. Rare: conjunctivitis, corneal ulceration, lacrimation abnormal, parosmia, photopsia.

Urogenital system: Frequent: urinary tract infection. Infrequent: cystitis, urinary incontinence. Rare: acute renal failure, dysuria, micturition frequency, nocturia, polyuria, pyelonephritis, renal pain, urinary retention.

Postmarketing Experience

The following adverse reactions have been identified during post-approval use of Zodorm. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Liver and biliary system: acute hepatocellular, cholestatic or mixed liver injury with or without jaundice (i.e., bilirubin > 2x ULN, alkaline phosphatase ≥ 2x ULN, transaminase ≥ 5x ULN).

The following serious adverse reactions are discussed in greater detail in other sections of the labeling:

• Serious anaphylactic and anaphylactoid reactions.
• Abnormal thinking, behavior changes, and complex behaviors.
• Withdrawal effects.
• CNS-depressant effects.

Clinical 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 to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The adverse reaction information from clinical trials does, however, provide a basis for identifying the adverse events that appear to be related to drug use and for approximating incidence rates.

Associated with discontinuation of treatment

Approximately 4% of 1,701 patients who received zolpidem tartrate at all doses (1.25 to 90 mg) in U.S. premarketing clinical trials discontinued treatment because of an adverse reaction. Reactions most commonly associated with discontinuation from U.S. trials were daytime drowsiness (0.5%), dizziness (0.4%), headache (0.5%), nausea (0.6%), and vomiting (0.5%).

Approximately 4% of 1,959 patients who received zolpidem at all doses (1 to 50 mg) in similar foreign trials discontinued treatment because of an adverse reaction. Reactions most commonly associated with discontinuation from these trials were daytime drowsiness (1.1%), dizziness/vertigo (0.8%), amnesia (0.5%), nausea (0.5%), headache (0.4%), and falls (0.4%).

Data from a clinical study in which selective serotonin reuptake inhibitor (SSRI)-treated patients were given zolpidem revealed that four of the seven discontinuations during double-blind treatment with zolpidem (n=95) were associated with impaired concentration, continuing or aggravated depression, and manic reaction; one patient treated with placebo (n=97) was discontinued after an attempted suicide.

Most commonly observed adverse reactions in controlled trials

During short-term treatment (up to 10 nights) with zolpidem tartrate at doses up to 10 mg, the most commonly observed adverse reactions associated with the use of zolpidem and seen at statistically significant differences from placebo-treated patients were drowsiness (reported by 2% of zolpidem patients), dizziness (1%), and diarrhea (1%). During longer-term treatment (28 to 35 nights) with zolpidem tartrate at doses up to 10 mg, the most commonly observed adverse reactions associated with the use of zolpidem and seen at statistically significant differences from placebo-treated patients were dizziness (5%) and drugged feelings (3%).

Adverse reactions observed at an incidence of ≥ 1% in controlled trials

The following tables enumerate treatment-emergent adverse reactions frequencies that were observed at an incidence equal to 1% or greater among patients with insomnia who received zolpidem tartrate and at a greater incidence than placebo in U.S. placebo-controlled trials. Events reported by investigators were classified utilizing a modified World Health Organization (WHO) dictionary of preferred terms for the purpose of establishing event frequencies. The prescriber should be aware that these figures cannot be used to predict the incidence of side effects in the course of usual medical practice, in which patient characteristics and other factors differ from those that prevailed in these clinical trials. Similarly, the cited frequencies cannot be compared with figures obtained from other clinical investigators involving related drug products and uses, since each group of drug trials is conducted under a different set of conditions. However, the cited figures provide the physician with a basis for estimating the relative contribution of drug and nondrug factors to the incidence of side effects in the population studied.

The following table was derived from results of 11 placebo-controlled short-term U.S. efficacy trials involving zolpidem in doses ranging from 1.25 to 20 mg. The table is limited to data from doses up to and including 10 mg, the highest dose recommended for use.

Incidence of Treatment-Emergent Adverse Reactions in Placebo-Controlled Clinical Trials Lasting up to 10 Nights (Percentage of patients reporting)

The following table was derived from results of three placebo-controlled long-term efficacy trials involving zolpidem tartrate. These trials involved patients with chronic insomnia who were treated for 28 to 35 nights with zolpidem tartrate at doses of 5, 10, or 15 mg. The table is limited to data from doses up to and including 10 mg, the highest dose recommended for use. The table includes only adverse reactions occurring at an incidence of at least 1% for zolpidem tartrate patients.

Incidence of Treatment-Emergent Adverse Reactions in Placebo-Controlled Clinical Trials Lasting up to 35 Nights (Percentage of patients reporting)

Dose relationship for adverse reactions

There is evidence from dose comparison trials suggesting a dose relationship for many of the adverse reactions associated with zolpidem tartrate use, particularly for certain CNS and gastrointestinal adverse reactions.

Oral tissue-related adverse reactions in Zodorm (zolpidem tartrate oral spray) pharmacokinetics studies

The effect of chronic daily administrations of Zodorm (zolpidem tartrate oral spray) on oral tissue has not been evaluated. In pharmacokinetic studies conducted with Zodorm (zolpidem tartrate oral spray) in healthy subjects, an oral soft tissue exam was performed and no signs of oral irritation were noted following administration of single doses of Zodorm (zolpidem tartrate oral spray).

Adverse event incidence across the entire preapproval database

Zolpidem tartrate was administered to 3,660 subjects in clinical trials throughout the United States, Canada, and Europe. Treatment-emergent adverse event associated with clinical trial participation were recorded by clinical investigators using terminology of their own choosing. To provide a meaningful estimate of the proportion of individuals experiencing treatment-emergent adverse events, similar types of untoward events were grouped into a smaller number of standardized event categories and classified utilizing a modified WHO dictionary of preferred terms.

The frequencies presented, therefore, represent the proportions of the 3,660 individuals exposed to zolpidem tartrate, at all doses, who experienced an event of the type cited on at least one occasion while receiving zolpidem tartrate. All reported treatment-emergent adverse events are included, except those already listed in the table above of adverse events in placebo-controlled studies, those coding terms that are so general as to be uninformative, and those events where a drug cause was remote. It is important to emphasize that, although the events reported did occur during treatment with zolpidem tartrate, they were not necessarily caused by it.

Adverse events are further classified within body system categories and enumerated in order of decreasing frequency using the following definitions: frequent adverse events are defined as those occurring in greater than 1/100 subjects; infrequent adverse events are those occurring in 1/100 to 1/1,000 patients; rare events are those occurring in less than 1/1,000 patients.

Autonomic nervous system: Infrequent: increased sweating, pallor, postural hypotension, syncope. Rare: abnormal accommodation, altered saliva, flushing, glaucoma, hypotension, impotence, increased saliva, tenesmus.

Body as a whole: Frequent: asthenia. Infrequent: edema, falling, fatigue, fever, malaise, trauma. Rare: allergic reaction, allergy aggravated, anaphylactic shock, face edema, hot flashes, increased ESR, pain, restless legs, rigors, tolerance increased, weight decrease.

Cardiovascular system: Infrequent: cerebrovascular disorder, hypertension, tachycardia. Rare: angina pectoris, arrhythmia, arteritis, circulatory failure, extrasystoles, hypertension aggravated, myocardial infarction, phlebitis, pulmonary embolism, pulmonary edema, varicose veins, ventricular tachycardia.

Central and peripheral nervous system: Frequent: ataxia, confusion, euphoria, headache, insomnia, vertigo. Infrequent: agitation, anxiety, decreased cognition, detached, difficulty concentrating, dysarthria, emotional lability, hallucination, hypoesthesia, illusion, leg cramps, migraine, nervousness, paresthesia, sleeping (after daytime dosing), speech disorder, stupor, tremor. Rare: abnormal gait, abnormal thinking, aggressive reaction, apathy, appetite increased, decreased libido, delusion, dementia, depersonalization, dysphasia, feeling strange, hypokinesia, hypotonia, hysteria, intoxicated feeling, manic reaction, neuralgia, neuritis, neuropathy, neurosis, panic attacks, paresis, personality disorder, somnambulism, suicide attempts, tetany, yawning.

Gastrointestinal system: Frequent: dyspepsia, hiccup, nausea. Infrequent: anorexia, constipation, dysphagia, flatulence, gastroenteritis, vomiting. Rare: enteritis, eructation, esophagospasm, gastritis, hemorrhoids, intestinal obstruction, rectal hemorrhage, tooth caries.

Hematologic and lymphatic system: Rare: anemia, hyperhemoglobinemia, leukopenia, lymphadenopathy, macrocytic anemia, purpura, thrombosis.

Immunologic system: Infrequent: infection. Rare: abscess, herpes simplex, herpes zoster, otitis externa, otitis media.

Liver and biliary system: Infrequent: abnormal hepatic function, increased SGPT. Rare: bilirubinemia, increased SGOT.

Metabolic and nutritional: Infrequent: hyperglycemia, thirst. Rare: gout, hypercholesteremia, hyperlipidemia, increased alkaline phosphatase, increased BUN, periorbital edema.

Musculoskeletal system: Frequent: arthralgia, myalgia. Infrequent: arthritis. Rare: arthrosis, muscle weakness, sciatica, tendonitis.

Reproductive system: Infrequent: menstrual disorder, vaginitis. Rare: breast fibroadenosis, breast neoplasm, breast pain.

Respiratory system: Frequent: upper respiratory infection. Infrequent: bronchitis, coughing, dyspnea, rhinitis. Rare: bronchospasm, epistaxis, hypoxia, laryngitis, pneumonia.

Skin and appendages:Infrequent: pruritus. Rare: acne, bullous eruption, dermatitis, furunculosis, injection-site inflammation, photosensitivity reaction, urticaria.

Special senses: Frequent: diplopia, vision abnormal. Infrequent: eye irritation, eye pain, scleritis, taste perversion, tinnitus. Rare: conjunctivitis, corneal ulceration, lacrimation abnormal, parosmia, photopsia.

Urogenital system: Frequent: urinary tract infection. Infrequent: cystitis, urinary incontinence. Rare: acute renal failure, dysuria, micturition frequency, nocturia, polyuria, pyelonephritis, renal pain, urinary retention.

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Zodorm

Zodorm is an imidazopyridine derivative that acts by binding to the benzodiazepine (BZD) receptors of the GABA receptor complex resulting in neuronal hyperpolarisation, action potential inhibition, increased in chloride conductance and decreased in neuronal excitability. It has strong sedative action but only minimal anxiolytic, myorelaxant and anticonvulsant properties due to its selectivity for the BZ1-receptor over the BZ2-receptor. Zodorm has a rapid onset but short duration of hypnotic action.

Effects on the central nervous system (CNS)

This drug has CNS depressant effects, which may include somnolence, decreased alertness, sedation, drowsiness, dizziness, and other changes in psychomotor function . Due to the above effects, the FDA has recommended an initial dose of zolpidem (immediate-acting) is a single dose of 5 mg for women and a single dose of 5 or 10 mg for men, immediately before bedtime with at least 7-8 hours remaining before the planned time of awakening . Refer to product labeling for detailed information , .

Effects on memory

Uses

Zodorm is used for the short-term treatment of insomnia characterized by difficulties with sleep initiation. Zodorm has been shown to decrease sleep latency for up to 35 days in controlled clinical studies The clinical trials performed in support of efficacy were 4-5 weeks in duration with the final formal assessments of sleep latency performed at the end of treatment.

Zodorm is also used to associated treatment for these conditions:

Insomnia

How Zodorm works

Zodorm, the active moiety of zolpidem tartrate, is a hypnotic substance with a chemical structure that is not related to the structure benzodiazepines, barbiturates, pyrrolopyrazines, pyrazolopyrimidines or other drugs exerting hypnotic effects. It interacts with a GABA-BZ receptor complex and shares various pharmacological properties with the benzodiazepine class of drugs .

Subunit binding of the GABAA receptor chloride channel macromolecular complex is thought to lead to the sedative, anticonvulsant, anxiolytic, and myorelaxant drug effects of zolpidem. The main regulatory site of the GABAA receptor complex can be found on its alpha (α) subunit and is called the benzodiazepine (BZ) or omega (ω) receptor. At least three different subtypes of the (ω) receptor have been identified to this date .

In contrast to benzodiazepine drugs, which are found to modulate all benzodiazepine receptor subtypes in a non-selective fashion, zolpidem binds the (BZ1) receptor specifically with a potent affinity for the alpha 1/alpha 5 subunits (in vitro) . More recent studies suggest that zolpidem binds primarily to the alpha 1, 2, and 3 subunits of the GABA receptor , , , and not the alpha 5 subunit.

The (BZ1) receptor is found primarily on the Lamina IV of the brain sensorimotor cortical regions, substantia nigra (pars reticulata), cerebellum molecular layer, olfactory bulb, ventral thalamic complex, pons, inferior colliculus, and globus pallidus. Specific and selective binding of zolpidem on the (BZ1) receptor is not considered absolute, however, this binding could potentially explain the relative lack of myorelaxant and anticonvulsant activity in animal studies in addition to the preservation of deep sleep (stages 3 and 4) in human studies of zolpidem at hypnotic doses .

Table Of contents

• Zodorm
• Uses
• Dosage
• Side Effect
• Precautions
• Interactions
• Uses during Pregnancy
• Uses during Breastfeeding
• Accute Overdose
• Food Interaction
• Half Life
• Volume of Distribution
• Clearance
• Interaction With other Medicine
• Contradiction
• Storage

Dosage

Zodorm dosage

Dosage In Adults: Use the lowest effective dose for the patient. The recommended initial dose is 5 mg for women and either 5 or 10 mg for men, taken only once per night immediately before bedtime with at least 7–8 hours remaining before the planned time of awakening. If the 5 mg dose is not effective, the dose can be increased to 10 mg. In some patients, the higher morning blood levels following use of the 10 mg dose increase the risk of next day impairment of driving and other activities that require full alertness. The total dose of Zodorm should not exceed 10 mg once daily immediately before bedtime. Zodorm should be taken as a single dose and should not be readministered during the same night.The recommended initial doses for women and men are different because zolpidem clearance is lower in women.Special Populations: Elderly or debilitated patients may be especially sensitive to the effects of zolpidem tartrate. The recommended dose of Zodorm in these patients is 5 mg once daily immediately before bedtimePatients with mild to moderate hepatic impairment do not clear the drug as rapidly as normal subjects. The recommended dose of Zodorm in these patients is 5 mg once daily immediately before bedtime. Avoid Zodorm use in patients with severe hepatic impairment as it may contribute to encephalopathyUse With CNS Depressants: Dosage adjustment may be necessary when Zodorm is combined with other CNS depressant drugs because of the potentially additive effects

The effect of Zodorm may be slowed by ingestion with or immediately after a meal.

Side Effects

Atypical thinking and behaviour, hallucination, nightmare, somnolence, somnambulism, headache, nausea, vomiting, dizziness, vertigo, drowsiness, asthenia, ataxia, rebound insomnia, amnesia, GI disturbances, upper and lower respiratory tract infection, fatigue, visual disturbances, increased ALT serum concentrations, abnormal LFT.

Toxicity

Oral (male rat) LD₅₀ = 695 mg/kg .

Overdose

Symptoms of overdose include impairment of consciousness ranging from somnolence to light coma, in addition to cardiorespiratory collapse resulting in fatal outcomes have been reported .

Withdrawal effects

Following rapid decreases in dose or abrupt discontinuation of zolpidem and other sedative/hypnotics, reports of signs and symptoms similar to those associated with withdrawal from other CNS-depressant drugs have been made .

Carcinogenesis

Zodorm was administered to rats and mice over a span of 2 years at dietary dosages of 4, 18, and 80 mg/kg/day. In mice, these doses are considered 26 to 520 times or 2 to 35 times the maximum 10 mg human dose, respectively. In rats, these doses are 43 to 876 times or 6 to 115 times the maximum 10 mg human dose. No evidence of carcinogenicity was seen in mice. Renal liposarcomas were observed in 4/100 rats (3 males, 1 female) receiving 80 mg/kg/day, and a renal lipoma was observed in one male rat at the 18 mg/kg/day dose. Incidence rates of lipoma and liposarcoma for zolpidem were similar to those seen in historical control cases, and the tumor findings are presumed to be a spontaneous occurrence, not causally related to zolpidem .

Mutagenesis

Zodorm did not show mutagenic activity in several tests including the Ames test, genotoxicity in mouse lymphoma cells in vitro, chromosomal aberrations in cultured human lymphocytes, abnormal DNA synthesis in rat hepatocytes in vitro, and the micronucleus test performed in mice .

Impairment of fertility

In a rat reproduction study, the high dose (100 mg base/kg) of zolpidem lead to irregular estrus cycles and prolonged precoital intervals, however, there was no effect on male or female fertility after daily oral doses comparable to 5 to 130 times the recommended human dose. No effects on any other fertility parameters were observed .

Use in pregnancy

This drug is considered a pregnancy category C drug. There are currently no sufficient conclusive studies completed in pregnant women to determine the safety of zolpidem use during pregnancy. Zodorm should be used during pregnancy only if the potential benefit outweighs the potential risk to the fetus.

Use in nursing

From 0.004% to 0.019% of the total administered zolpidem dose is excreted into milk. The effect of zolpidem on the nursing infant is unknown at this time. Caution should be observed when zolpidem is administered to a nursing mother .

Precaution

Obstructive sleep apnoea, myasthenia gravis, compromised respiratory function. Patients exhibiting symptoms of depression. History of drug or alcohol abuse. Avoid abrupt withdrawal and rapid dose reduction after prolonged therapy. Re-evaluate if insomnia fail to remit after 7-10 days as this may indicate the presence of underlying psychiatric and/or medical condition. Pregnancy, lactation, childn <18 yr.

Interaction

Co-administration of zolpidem with other CNS depressants increases the risk of CNS depression. Concomitant use of zolpidem with these drugs may increase drowsiness and psychomotor impairment, including impaired driving ability. Zodorm tartrate was evaluated in healthy volunteers in single-dose interaction studies for several CNS drugs.Imipramine, Chlorpromazine: Imipramine in combination with zolpidem produced no pharmacokinetic interaction other than a 20% decrease in peak levels of imipramine, but there was an additive effect of decreased alertness. Similarly, chlorpromazine in combination with zolpidem produced no pharmacokinetic interaction, but there was an additive effect of decreased alertness and psychomotor performance Haloperidol: A study involving haloperidol and zolpidem revealed no effect of haloperidol on the pharmacokinetics or pharmacodynamics of zolpidem. The lack of a drug interaction following single-dose administration does not predict the absence of an effect following chronic administration Alcohol: An additive adverse effect on psychomotor performance between alcohol and oral zolpidem was demonstrated Sertraline: Concomitant administration of zolpidem and sertraline increases exposure to zolpidemFluoxetine: After multiple doses of zolpidem tartrate and fluoxetine an increase in the zolpidem half-life (17%) was observed. There was no evidence of an additive effect in psychomotor performance

Food Interaction

• Avoid alcohol.
• Take separate from meals. This drug should not be administered with or immediately after a meal.

[Moderate] GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of zolpidem.

Use in combination may result in additive central nervous system depression and

ADJUST DOSING INTERVAL: Administration of zolpidem with food may delay the onset of hypnotic effects.

In 30 healthy subjects, administration of zolpidem 20 minutes after a meal resulted in decreased mean peak plasma drug concentration (Cmax) and area under the concentration-time curve (AUC) by 25% and 15%, respectively, compared to fasting.

The time to reach peak plasma drug concentration (Tmax) was prolonged by 60%, from 1.4 to 2.2 hours.

MANAGEMENT: Patients receiving zolpidem should be advised to avoid the consumption of alcohol.

For faster sleep onset, zolpidem should not be administered with or immediately after a meal.

Zodorm Drug Interaction

Major: acetaminophen / hydrocodoneModerate: diphenhydramine, duloxetine, escitalopram, pregabalin, metoprolol, metoprolol, alprazolam, cetirizineUnknown: amphetamine / dextroamphetamine, aspirin, rosuvastatin, omega-3 polyunsaturated fatty acids, esomeprazole, albuterol, levothyroxine, acetaminophen, cyanocobalamin, ascorbic acid, cholecalciferol

Volume of Distribution

0.54 to 0.68 L/kg (in humans) . In patients with long term renal insufficiency who were not yet on hemodialysis, the volume of distribution was found to increase significantly, AUC increased by 60%, and half-life nearly doubled .

Elimination Route

Zodorm is rapidly absorbed from the gastrointestinal tract. In a single-dose crossover study in 45 healthy subjects given 5 and 10 mg zolpidem tartrate tablets, the average peak zolpidem concentrations (Cmax) were 59 and 121 ng/mL, respectively, occurring at a mean time (Tmax) of 1.6 hours for both doses .

Half Life

The average zolpidem elimination half-life was 2.6 and 2.5 hours, for the 5 and 10 mg tablets, respectively .

Clearance

In a clinical trial, after a 20mg dose, total clearance of zolpidem 0.24 to 0.27 ml/min/kg .

Elimination Route

Zodorm tartrate tablets are converted to inactive metabolites that are eliminated mainly by renal excretion .

Pregnancy & Breastfeeding use

Pregnancy Category C. Either studies in animals have revealed adverse effects on the foetus (teratogenic or embryocidal or other) and there are no controlled studies in women or studies in women and animals are not available. Drugs should be given only if the potential benefit justifies the potential risk to the foetus.

Contraindication

Severe hepatic impairment.

Special Warning

Pediatric Use: Zodorm is not recommended for use in children. Safety and effectiveness of zolpidem in pediatric patients below the age of 18 years have not been established.

Acute Overdose

Symptoms: Drowsiness, impairment of consciousness from somnolence to coma, compromised CV and respiratory function. Management: Treatment is largely symptomatic and supportive. IV fluids should be administered as needed. Activated charcoal may be given if presented w/in 1 hr of ingestion of >1 mg/kg zolpidem in adults or childn. Gastric lavage may be considered if presented w/in 1 hr of ingestion of >100 mg zolpidem and monitor for at least 12 hr. Flumazenil may be used if there is severe CNS depression, but generally not needed. Haemodialysis is unlikely to be useful.

Storage Condition

Store between 20-25° C.

Innovators Monograph

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What is Zodorm used for?

What are the effects of Zodorm?

How safe is Zodorm?

When should I take Zodorm?

Is Zodorm a good sleeping pill?

Is Zodorm used for anxiety?

What can’t i take with Zodorm?

Is Zodorm safe during pregnancy?

Is Zodorm safe during breastfeeding?

Can Zodorm cause heart problems?

Can Zodorm cause weight gain?

Can Zodorm raise blood pressure?

Is Zodorm hard on kidneys?

Does Zodorm cause memory loss?

Is it safe to take Zodorm every night?

Can Zodorm cause nightmares?

Can I drink alcohol with Zodorm?

Can I drive after taking Zodorm?

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Patient Information leaflet

                                PATIENT PACKAGE INSERT IN ACCORDANCE WITH THE
PHARMACISTS’ REGULATIONS )PREPARATIONS(‬–‬1986
The medicine is dispensed with a doctor’s prescription only
ZODORM 10
TABLETS
The active ingredient and its quantity:
Each ZODORM 10 tablet contains:
Zolpidem Tartrate 10 mg
Inactive and allergenic ingredients in the preparation –
see in section 2 “Important information about some of the
ingredients of the medicine” and section 6 “Further
Information”.
READ THE LEAFLET CAREFULLY IN ITS ENTIRETY BEFORE USING THE
MEDICINE. This leaflet contains concise information about the
medicine. If you have further questions, refer to the doctor or
pharmacist.
This medicine has been prescribed to treat you. Do not pass it
on to others. It may harm them, even if it seems to you that their
medical condition is similar.
This medicine is not intended for children and adolescents below
the age of 18.
1. WHAT IS THE MEDICINE INTENDED FOR?
For the treatment of insomnia.
THERAPEUTIC GROUP: Hypnotic and sedative substances.
2. BEFORE USING THE MEDICINE:
DO NOT USE THE MEDICINE IF:
• You have ever experienced unconscious behavior during sleep
)e.g., driving a car, preparing and eating food, talking on the
phone or having sex while not being fully awake( after taking
ZODORM 10.
• You are sensitive )allergic( to the active ingredient )zolpidem(
or to any of the other ingredients contained in the medicine
)see section 6 “Further Information”(.
• You have suffered in the past from an allergic reaction to
zolpidem-containing medicines. Symptoms of a severe allergic
reaction to zolpidem can include: swelling of the face, lips and
throat that may cause breathing and swallowing difficulties.
• You suffer from severe liver failure.
• You drank alcohol in the evening or before bedtime.
• You took another medicine intended to help you fall asleep.
• You will not be able to get a full night’s sleep after taking
the
medicine )7-8 hours( before you need to be active again.
SPECIAL WARNINGS REGARDING USE OF THE MEDICINE

                                
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