Study to Assess the Long Term Safety and Tolerability of ACT-541468 (Daridorexant) in Adult and Elderly Subjects Suffering From Difficulties to Sleep
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ClinicalTrials.gov Identifier: NCT03679884 |
Recruitment Status :
Completed
First Posted : September 21, 2018
Results First Posted : March 2, 2022
Last Update Posted : March 2, 2022
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Insomnia Disorder | Drug: Daridorexant 10 mg Drug: Daridorexant 25 mg Drug: Daridorexant 50 mg Drug: Placebo | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 804 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Intervention Model Description: | Multi-center, double-blind, parallel-group, randomized, placebo-controlled, three doses, 40-week extension study |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Multi-center, Double-blind, Parallel-group, Randomized, Placebo-controlled, Three Doses, 40-week Extension to Studies ID-078A301 and ID-078A302 to Assess the Long Term Safety and Tolerability of ACT-541468 in Adult and Elderly Subjects With Insomnia Disorder |
Actual Study Start Date : | October 9, 2018 |
Actual Primary Completion Date : | February 22, 2021 |
Actual Study Completion Date : | February 22, 2021 |

Arm | Intervention/treatment |
---|---|
Experimental: Daridorexant 10 mg
Film-coated tablets administered orally, once daily in the evening
|
Drug: Daridorexant 10 mg
Daridorexant 10 mg film-coated tablets |
Experimental: Daridorexant 25 mg
Film-coated tablets administered orally, once daily in the evening
|
Drug: Daridorexant 25 mg
Daridorexant 25 mg film-coated tablets |
Experimental: Daridorexant 50 mg
Film-coated tablets administered orally, once daily in the evening
|
Drug: Daridorexant 50 mg
Daridorexant 50 mg film-coated tablets |
Placebo Comparator: Placebo
Film-coated tablets administered orally, once daily in the evening
|
Drug: Placebo
Matching placebo film-coated tablets |
Experimental: Ex-Placebo Daridorexant 25 mg
Film-coated tablets administered orally, once daily in the evening
|
Drug: Daridorexant 25 mg
Daridorexant 25 mg film-coated tablets |
- Total no. of Subjects With at Least One TEAE [ Time Frame: TEAEs (AEs that started or worsened during the double-blind study period up to 30 days after double-blind study treatment end date) are reported. Total duration: up to 44 weeks. ]
The primary objective of the study was to assess the long-term safety and tolerability of 10, 25 and 50 mg daridorexant.
The total no. of subjects with at least one TEAE is presented here; no statistical analysis was conducted.
The full set of safety data is available in the Section "Adverse events".

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Signed informed consent prior to any study-mandated procedure (Visit 1).
- Having completed the DB study treatment and the run-out period of ID-078A301 (NCT03545191) or ID-078A302 (NCT03575104).
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For woman of childbearing potential, the following is required:
- Negative urine pregnancy test (EOT of ID-078A301 or ID-078A302 studies)
- Agreement to use the contraception scheme as required by the protocol from Visit 1 up to at least 30 days after EODBT.
Exclusion Criteria:
- Unstable medical condition, significant medical disorder or acute illness, C-SSRS©, ECG, hematology or biochemistry test results in ID-078A301 and ID-078A302, which in the opinion of the investigator could affect the subject's safety or interfere with the study assessments (Visit 1).
- For female subjects: lactating or planning to become pregnant during the duration of the study (Visit 1).
- Positive urine drug test (for benzodiazepines, barbiturates, cannabinoids, opiates, amphetamines, or cocaine) or presence of alcohol in exhaled breath as detected by breathalyzer test (EOT of ID-078A301 or ID-078A302 studies if same day as Visit 1 or Visit 1 if within 7 days after EOT).

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03679884

Study Director: | Clinical Trials | Idorsia Pharmaceuticals Ltd. |
Documents provided by Idorsia Pharmaceuticals Ltd.:
Responsible Party: | Idorsia Pharmaceuticals Ltd. |
ClinicalTrials.gov Identifier: | NCT03679884 |
Other Study ID Numbers: |
ID-078A303 |
First Posted: | September 21, 2018 Key Record Dates |
Results First Posted: | March 2, 2022 |
Last Update Posted: | March 2, 2022 |
Last Verified: | February 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Sleep Initiation and Maintenance Disorders Sleep Disorders, Intrinsic Dyssomnias |
Sleep Wake Disorders Nervous System Diseases Mental Disorders |