A Study of RG1662 in Individuals With Down Syndrome
Public ClinicalTrials.gov record NCT01436955. 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, Multiple Dose Study to Investigate Safety and Tolerability of RG1662 in Individuals With Down Syndrome
Study identification
- NCT ID
- NCT01436955
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Enrollment
- 35 participants
Conditions and interventions
Conditions
Interventions
- Placebo Drug
- RG1662 Drug
Drug
Eligibility (public fields only)
- Age range
- 18 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
- Oct 31, 2011
- Primary completion
- Aug 31, 2013
- Completion
- Aug 31, 2013
- Last update posted
- Mar 2, 2015
2011 – 2013
United States locations
- U.S. sites
- 8
- U.S. states
- 8
- U.S. cities
- 8
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Phoenix | Arizona | 85013 | — |
| Not listed | Little Rock | Arkansas | 72204 | — |
| Not listed | La Jolla | California | 92037 | — |
| Not listed | Aurora | Colorado | 80045 | — |
| Not listed | Decatur | Georgia | 30033 | — |
| Not listed | Chicago | Illinois | 60612 | — |
| Not listed | Baltimore | Maryland | 21287 | — |
| Not listed | Durham | North Carolina | 27710 | — |
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 1 non-U.S. site.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01436955, 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 2, 2015 · Synced Apr 29, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01436955 live on ClinicalTrials.gov.