A Study of RG1662 in Adults and Adolescents With Down Syndrome (CLEMATIS)
Public ClinicalTrials.gov record NCT02024789. 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
A MULTI-CENTER, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED PHASE 2 STUDY OF THE EFFICACY, SAFETY AND TOLERABILITY OF RG1662 IN ADULTS AND ADOLESCENTS WITH DOWN SYNDROME (CLEMATIS)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This multi-center, randomized, double-blind, 3-arm, parallel-group, placebo-controlled study will evaluate the efficacy and safety of RG1662 in adults and adolescents with Down syndrome. Subjects will be randomized to receive RG1662 either at low or high dose or placebo orally twice daily for 26 weeks.
Study identification
- NCT ID
- NCT02024789
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 173 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 12 Years to 30 Years
- 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
- May 4, 2014
- Primary completion
- May 3, 2016
- Completion
- May 3, 2016
- Last update posted
- Oct 24, 2017
2014 – 2016
United States locations
- U.S. sites
- 9
- U.S. states
- 8
- U.S. cities
- 9
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Univ of CA San Diego; Neurosciences Comp.Alzheimer's | La Jolla | California | 92037 | — |
| University of California DAVIS Medical Center; M.I.N.D. Institute, Section of Developmental Behavior | Sacramento | California | 95817 | — |
| Emory University School of Medicine; Department of Human Genetics & Pediatrics | Decatur | Georgia | 30033 | — |
| Rush University Medical Center | Chicago | Illinois | 60612 | — |
| Johns Hopkins Hospital. | Baltimore | Maryland | 21287 | — |
| Massachusette General Hospital; Medical Genetics | Boston | Massachusetts | 02114 | — |
| Duke Clin Rsch Institute | Durham | North Carolina | 27710 | — |
| University of Utah School of Medicine; Department of Pediatrics | Salt Lake City | Utah | 84112 | — |
| University of Wisconsin Madison, Waisman Center | Madison | Wisconsin | 53705 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 28 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02024789, 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 Oct 24, 2017 · Synced Sep 12, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02024789 live on ClinicalTrials.gov.