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Study to assess the efficacy and safety of ACT-541468 in elderly subjects suffering from difficulties to sleep

Multi-center, double-blind, randomized, placebo-controlled, 5-period, 5-treatment crossover, polysomnography dose-response study to assess the efficacy and safety of ACT-541468 in elderly subjects with insomnia disorder

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2016-000827-16-DE
Enrollment
58
Registered
2016-06-30
Start date
2016-09-13
Completion date
Unknown
Last updated
2018-07-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Insomnia disorder MedDRA version: 20.0 Level: PT Classification code 10022437 Term: Insomnia System Organ Class: 10037175 - Psychiatric disorders

Interventions

Product Name: - Product Code: ACT-541468 Pharmaceutical Form: Capsule, hard INN or Proposed INN: - Current Sponsor code: ACT-541468 Concentration unit: mg milligram(s) Concentration type: equal Concen

Sponsors

Actelion Pharmaceuticals Ltd
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

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) =65 years) yes F.1.3.1 Number of subjects for this age range 58

Exclusion criteria

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 direct bilirubin > 1.5 × ULN - 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.

Design outcomes

Primary

MeasureTime frame
Secondary Objective: The secondary objective of the study is to evaluate the dose-response of ACT-541468 on Latency to Persistent Sleep (LPS) on the first two days of each treatment period.;Primary end point(s): Change of WASO (Wake After Sleep Onset) from baseline to Days 1 & 2 as determined by Polysomnography (PSG).;Timepoint(s) of evaluation of this end point: From Baseline to Days 1&2 ;Main Objective: The primary objective of the study is to evaluate the dose-response of ACT-541468 on the change of Wake After Sleep Onset (WASO) assessed by polysomnography (PSG) on the first two days of each treatment period.

Secondary

MeasureTime frame
Secondary end point(s): Change from Baseline to Days 1&2 in mean LPS (Latency to Persistent Sleep).;Timepoint(s) of evaluation of this end point: From Baseline to Days 1&2.

Countries

Germany, United States

Contacts

Public ContactClinical Trial Disclosure Desk

Actelion Pharmaceuticals Ltd

clinical-trials-disclosure@actelion.com

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026