A Study of BPN14770 in Male Adults (Aged 18 to 45) With Fragile X Syndrome
Public ClinicalTrials.gov record NCT05358886. 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 Randomized, Double-blind, Placebo-controlled, Parallel Group Study of BPN14770 in Male Adults (Aged 18 to 45) With Fragile X Syndrome
Study identification
- NCT ID
- NCT05358886
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Tetra Discovery Partners
- Industry
- Enrollment
- 171 participants
Conditions and interventions
Conditions
Interventions
- BPN14770/ zatolmilast Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 45 Years
- Sex
- Male
- 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, 2022
- Primary completion
- Jul 17, 2025
- Completion
- Jul 17, 2025
- Last update posted
- Jul 9, 2026
2022 – 2025
United States locations
- U.S. sites
- 17
- U.S. states
- 13
- U.S. cities
- 17
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Amnova Clinical Research | Irvine | California | 92604 | — |
| Thompson Autism & Neurodevelopment Center - CHOC | Orange | California | 92868 | — |
| UC Davis Health System | Sacramento | California | 95817 | — |
| Children's Hospital Colorado | Aurora | Colorado | 80045 | — |
| University of Miami | Miami | Florida | 33136 | — |
| Emory University School of Medicine | Atlanta | Georgia | 30322 | — |
| Rush University Medical Center | Chicago | Illinois | 60612 | — |
| University of Kansas Medical Center | Kansas City | Kansas | 66160 | — |
| Kennedy Krieger Institute | Baltimore | Maryland | 21205 | — |
| Boston Children's Hospital | Boston | Massachusetts | 02115 | — |
| University of Massachusetts Medical School | Worcester | Massachusetts | 01655 | — |
| Icahn School of Medicine at Mount Sinai Hospital | New York | New York | 10029 | — |
| Cincinnati Childrens Hospital Medical Center | Cincinnati | Ohio | 45229 | — |
| Suburban Research Associates | Media | Pennsylvania | 19063 | — |
| Clinic for Special Children | Strasburg | Pennsylvania | 17579 | — |
| Greenwood Genetic Center | Greenville | South Carolina | 29605 | — |
| University of Utah and Primary Childrens Hospital | Salt Lake City | Utah | 84113 | — |
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 NCT05358886, 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 Jul 9, 2026 · Synced Jul 24, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05358886 live on ClinicalTrials.gov.