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Efficacy and Safety of ACT-541468 in Elderly Subjects With Insomnia Disorder

Idorsia Pharmaceuticals logo

Idorsia Pharmaceuticals

Status and phase

Completed
Phase 2

Conditions

Insomnia Disorder

Treatments

Drug: Placebo
Drug: ACT-541468

Study type

Interventional

Funder types

Industry

Identifiers

NCT02841709
AC-078A202

Details and patient eligibility

About

This study evaluates the dose response of ACT-541468 on the change of wake after sleep onset (WASO) assessed by polysomnography (PSG) on the first 2 days of each treatment period.

Full description

The study consists of 3 phases: a screening phase, a double-blind treatment phase consisting of 5 periods, and a safety follow-up phase. Safety is monitored throughout the study.

Enrollment

58 patients

Sex

All

Ages

65+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Signed informed consent prior to any study-mandated procedure.
  • Male or female aged ≥ 65 years.
  • Body mass index (BMI): 18.5 ≤ BMI (kg/m2 ) < 32.0
  • Insomnia disorder according to DSM-5 criteria.
  • Self-reported history of insufficient sleep quantity.
  • Insufficient sleep quantity as collected subjectively in the sleep diary and validated objectively by polysomnography.
  • Insomnia Severity Index score ≥ 15.

Exclusion criteria

  • Any current history of sleep disorder other than insomnia, or any lifetime history of related breathing disorder, periodic limb movement disorder, restless legs syndrome, circadian rhythm disorder, rapid eye movement (REM) behavior disorder, or narcolepsy.
  • Self-reported usual daytime napping ≥ 1 hour per day, and ≥ 3 days per week.
  • Caffeine consumption ≥ 600 mg per day.
  • Shift work within 2 weeks prior to the screening visit, or planned shift work during study.
  • Travel ≥ 3 time zones within 1 week prior to the screening visit, or planned travel ≥ 3 time zones during study.
  • Hematology or biochemistry test results deviating from the normal range to a clinically relevant extent as per judgment of the Investigator.
  • AST and/or ALT > 2 × ULN and/or bilirubin > 1.5 × ULN (except known history of Gilbert's syndrome);
  • Severe renal impairment (known or defined as estimated creatinine clearance < 30 mL/min);
  • 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

Crossover Assignment

Masking

Quadruple Blind

58 participants in 5 patient groups

Sequence 1
Experimental group
Description:
Each subject participates in 5 treatment periods. On the evening of the first 2 days of each period they receive one dose (D) of ACT-541468 or placebo orally in the following order: D4, D2, D3, D1 and P, with D4 = the highest dose (50 mg) and D1 the lowest dose (5 mg). Each treatment period is separated from the next one by a 5- to 12-day washout.
Treatment:
Drug: Placebo
Drug: ACT-541468
Sequence 2
Experimental group
Description:
Each subject participates in 5 treatment periods. On the evening of the first 2 days of each period they receive one dose (D) of ACT-541468 or placebo orally in the following order: D2, P, D4, D3 and D1, with D4 = the highest dose (50 mg) and D1 the lowest dose (5 mg). Each treatment period is separated from the next one by a 5- to 12-day washout.
Treatment:
Drug: Placebo
Drug: ACT-541468
Sequence 3
Experimental group
Description:
Each subject participates in 5 treatment periods. On the evening of the first 2 days of each period they receive one dose (D) of ACT-541468 or placebo orally in the following order: D3, D1, D2, P and D4, with D4 = the highest dose (50 mg) and D1 the lowest dose (5 mg). Each treatment period is separated from the next one by a 5- to 12-day washout.
Treatment:
Drug: Placebo
Drug: ACT-541468
Sequence 4
Experimental group
Description:
Each subject participates in 5 treatment periods. On the evening of the first 2 days of each period they receive one dose (D) of ACT-541468 or placebo orally in the following order: P, D4, D1, D2, D3, with D4 = the highest dose (50 mg) and D1 the lowest dose (5 mg). Each treatment period is separated from the next one by a 5- to 12-day washout.
Treatment:
Drug: Placebo
Drug: ACT-541468
Sequence 5
Experimental group
Description:
Each subject participates in 5 treatment periods. On the evening of the first 2 days of each period they receive one dose (D) of ACT-541468 or placebo orally in the following order: D1, D3, P, D4 and D2 with D4 = the highest dose (50 mg) and D1 the lowest dose (5 mg). Each treatment period is separated from the next one by a 5- to 12-day washout.
Treatment:
Drug: Placebo
Drug: ACT-541468

Trial documents
2

Trial contacts and locations

10

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Data sourced from clinicaltrials.gov

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