Almorexant (ACT-078573) in Elderly Subjects With Chronic Primary Insomnia
Public ClinicalTrials.gov record NCT00606593. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Multicenter, Double-blind, Randomized, Placebo-controlled, 5-period, 5-treatment Crossover, Dose-finding Study to Evaluate the Efficacy and Safety of Oral Administration of ACT-078573 in Elderly Subjects With Chronic Primary Insomnia
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
A 2-night polysomnography / 5-way cross-over study to evaluate the effect, safety and tolerability of oral administration of almorexant (ACT 078573) in elderly subjects with primary insomnia.
Study identification
- NCT ID
- NCT00606593
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 112 participants
Conditions and interventions
Conditions
Interventions
- ACT-078573 oral capsules at 25 and 100 mg and matching placebo Drug
- ACT-078573 and matching placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 65 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 2007 (Type not available)
- Primary completion
- Apr 2008 (Actual)
- Completion
- May 2008 (Actual)
- Last update posted
- Mar 14, 2016
2007 – 2008
United States locations
- U.S. sites
- 21
- U.S. states
- 14
- U.S. cities
- 19
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Central Arkansas Research | Hot Springs | Arkansas | 71913 | — |
| Pacific Sleep Medicine Services, Inc. | Los Angeles | California | 90048 | — |
| Pacific Sleep Medicine Services, Inc. | San Diego | California | 92121 | — |
| California Clinical Trials Medical Group, Inc. | San Diego | California | 92123 | — |
| PAB Clinical Research | Brandon | Florida | 33511 | — |
| Miami Research Associates | Miami | Florida | 33173 | — |
| OmniTrials | Naples | Florida | 34110 | — |
| Broward Research Group & Sleep-Wake Disorders Center of South Florida | Pembroke Pines | Florida | 33026 | — |
| Neurotrials Research, Inc. | Atlanta | Georgia | 30342 | — |
| Sleep Disorders Center of Georgia | Atlanta | Georgia | 30342 | — |
| Vince and Associates Clinical Research | Overland Park | Kansas | 66212 | — |
| Community Research | Crestview Hills | Kentucky | 41017 | — |
| Clinical Neurophysiology Services, P.C. | Troy | Michigan | 48098 | — |
| Sleep Disorders & Research Center | Chesterfield | Missouri | 63017 | — |
| Clinical Research Center of Nevada | Las Vegas | Nevada | 89104 | — |
| Duke University | Durham | North Carolina | 27710 | — |
| Tri-State Sleep Disorders Center | Cincinnati | Ohio | 45227 | — |
| Cleveland Clinic Health Systems | Cleveland | Ohio | 44195 | — |
| Lynn Health Sciences Institute | Oklahoma City | Oklahoma | 73112 | — |
| Sleep Disorders Center | Columbia | South Carolina | 29201 | — |
| Sleep Medicine Associates P.A. | Dallas | Texas | 75231 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00606593, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 14, 2016 · Synced Oct 29, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00606593 live on ClinicalTrials.gov.