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Phase 3 N=789 Randomized Double-blind Treatment

Efficacy and Safety of Circadin® 2 mg in the Treatment of Primary Insomnia Patients

Primary Insomnia

Enrolled (actual)
789
Serious AEs
0.5%
Results posted
Mar 2011
Primary outcome: Primary: The Change From Baseline in Subjective Sleep Latency. — -19.1; -1.7 minutes — p=<0.05

Study Design & Population

Study type
Interventional
Phase
Phase 3
Interventions
Circadin (Drug); placebo circadin (Drug)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
Neurim Pharmaceuticals Ltd.
Primary completion
Dec 2008

Outcome Measures

OutcomeResultp-value
PRIMARY
The Change From Baseline in Subjective Sleep Latency.
-19.1; -1.7 <0.05 sig
SECONDARY
The Change From Baseline in Subjective Sleep Maintenance.
-0.24; -0.09

Summary

This is a randomised, placebo controlled study to evaluate the efficacy of a 3 week treatment period with Circadin® 2 mg in shortening sleep latency in patients with primary insomnia aged 18-80 with melatonin deficiency.

Eligibility Criteria

Inclusion Criteria

  • Male or female and aged 18-80 years.
  • Are willing to take a 6-SMT level evaluation test.
  • Suffering from primary insomnia according to DSM-IV. criteria (307.42 primary insomnia, Appendix 24.3) .
  • Sleep latency of at least 20 minutes.
  • Have not been using benzodiazepines (BZD) and non-BZD hypnotics for the past 2 weeks or more.
  • Have not been using psychotropic treatments for the past 3 months or more.
  • Are stabilized on non-psychotropic treatments for more than 1 month.
  • Are willing to sign a written informed consent to participate in the study.

Exclusion Criteria

  • Use of benzodiazepines or other hypnotics (including psychotropic treatments) during the study and preceding two weeks.
  • Alcohol intake more than 30 g of pure alcohol per day and any intake after lunch-time.
  • Pharmacological immunosuppression.
  • Participation in a clinical trial with any investigational agent within two months prior to study enrollment.
  • According to DSM IV, subjects belonging to the following groups are excluded: 780.59 (breathing related sleep disorder); 307.45 (circadian rhythm sleep disorder); 307.47 (dyssomnia not otherwise specified); 780.xx (sleep disorder due to general medical condition).
  • Severe neurological, psychiatric disorders (especially psychosis, anxiety and depression) and alcoholism.
  • Other serious diseases that could interfere with patient assessment.
  • Pregnant or breast feeding women.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT00397189). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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