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Study to Assess the Efficacy and Safety of ACT-541468 (Daridorexant) in Adult and Elderly Subjects With Insomnia Disorder

Idorsia Pharmaceuticals logo

Idorsia Pharmaceuticals

Status and phase

Completed
Phase 3

Conditions

Insomnia Disorder

Treatments

Drug: Daridorexant 50 mg
Other: Placebo
Drug: Daridorexant 25 mg

Study type

Interventional

Funder types

Industry

Identifiers

NCT03545191
ID-078A301

Details and patient eligibility

About

The main purpose of this study is to assess efficacy and safety of ACT-541468 (daridorexant) in adult and elderly subjects with insomnia disorder. Efficacy will be evaluated on objective and subjective sleep parameters.

Enrollment

930 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Signed informed consent prior to any study-mandated procedure;
  • Male or female aged ≥ 18 years;
  • Insomnia disorder according to DSM-5 criteria;
  • Insomnia Severity Index score ≥ 15;
  • Insufficient sleep quantity as collected subjectively in the sleep diary;
  • Women of childbearing potential must have a negative and urine pregnancy test and use the contraception scheme up to at least 30 days after last study treatment intake.

Exclusion criteria

  • Body mass index below 18.5 or above 40.0 kg/m2;
  • Any lifetime history of of related breathing disorder, periodic limb movement disorder, restless legs syndrome, circadian rhythm disorder, rapid eye movement (REM) behavior disorder, narcolepsy, or apnea/ hypopnea;
  • Cognitive behavioral therapy (CBT) only allowed if, the treatment started at least 1 month prior to Visit 3 and the subject agrees to continue this CBT throughout the study;
  • Self-reported usual daytime napping ≥ 1 hour per day and ≥ 3 days per week;
  • Acute or unstable psychiatric conditions diagnosed by the Mini International Neuropsychiatric Interview;
  • Mini Mental State Examination (MMSE) score < 25 in subjects ≥ 50 years;
  • For female subjects: pregnant, lactating or planning to become pregnant during projected duration of the study;
  • History or clinical evidence of any disease or medical condition or treatment, which may put the subject at risk of participation in the study or may interfere with the study assessments.
  • Any circumstances or conditions, which, in the opinion of the investigator, may affect the subject's full participation in the study or compliance with the protocol.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

930 participants in 3 patient groups, including a placebo group

Daridorexant 25 mg
Experimental group
Treatment:
Drug: Daridorexant 25 mg
Daridorexant 50 mg
Experimental group
Treatment:
Drug: Daridorexant 50 mg
Placebo
Placebo Comparator group
Treatment:
Other: Placebo

Trial documents
2

Trial contacts and locations

81

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Data sourced from clinicaltrials.gov

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