- Conditions
- Down Syndrome
- Interventions
- Not listed
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 12 Years to 30 Years
- Enrollment
- 135 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 9
- States / cities
- La Jolla, California • Decatur, Georgia • Chicago, Illinois + 6 more
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–3
of 3
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Down Syndrome
- Interventions
- Placebo, RG1662
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 18 Years to 30 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 8
- States / cities
- Phoenix, Arizona • Little Rock, Arkansas • La Jolla, California + 5 more
- Conditions
- Down Syndrome
- Interventions
- Placebo, RG1662
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 12 Years to 30 Years
- Enrollment
- 173 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 9
- States / cities
- La Jolla, California • Sacramento, California • Decatur, Georgia + 6 more