- Conditions
- Phelan-McDermid Syndrome
- Interventions
- NNZ-2591
- Drug
- Lead sponsor
- Neuren Pharmaceuticals Limited
- Industry
- Eligibility
- 3 Years to 12 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 4
- States / cities
- Chicago, Illinois • Boston, Massachusetts • Houston, Texas
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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–5
of 5
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Phelan-McDermid Syndrome
- Interventions
- NNZ-2591, Placebo
- Drug
- Lead sponsor
- Neuren Pharmaceuticals Limited
- Industry
- Eligibility
- 3 Years to 12 Years
- Enrollment
- 160 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 17
- States / cities
- Birmingham, Alabama • Glendale, California • Palo Alto, California + 14 more
- Conditions
- Phelan-McDermid Syndrome
- Interventions
- NNZ-2591
- Drug
- Lead sponsor
- Neuren Pharmaceuticals Limited
- Industry
- Eligibility
- 3 Years to 12 Years
- Enrollment
- 180 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 11
- States / cities
- Birmingham, Alabama • Glendale, California • San Rafael, California + 8 more
- Conditions
- Pitt Hopkins Syndrome
- Interventions
- NNZ-2591
- Drug
- Lead sponsor
- Neuren Pharmaceuticals Limited
- Industry
- Eligibility
- 3 Years to 17 Years
- Enrollment
- 28 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 5
- States / cities
- Birmingham, Alabama • San Francisco, California • Aurora, Colorado + 2 more
- Conditions
- Prader-Willi Syndrome
- Interventions
- NNZ-2591
- Drug
- Lead sponsor
- Neuren Pharmaceuticals Limited
- Industry
- Eligibility
- 4 Years to 12 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 4
- States / cities
- San Diego, California • Atlanta, Georgia • Chevy Chase, Maryland + 1 more