Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 23, 2026, 10:00 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Opiate Induced Respiratory Depression
Interventions
CX1739 - 300 mg, CX1739 - 600 mg, CX1739 - 900 mg, Placebo
Drug
Lead sponsor
RespireRx
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Fragile X Syndrome, Autism
Interventions
CX516 (Ampalex®)
Drug
Lead sponsor
RespireRx
Industry
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
2
States / cities
Sacramento, California • Chicago, Illinois
Conditions
Schizophrenia
Interventions
CX516 (Ampakine)
Drug
Lead sponsor
North Suffolk Mental Health Association
Other
Eligibility
18 Years to 65 Years
Enrollment
105 participants
Timeline
2002 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Mild Cognitive Impairment
Interventions
CX516, Placebo
Drug
Lead sponsor
RespireRx
Industry
Eligibility
55 Years to 85 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
8
States / cities
Peoria, Arizona • Irvine, California • Los Angeles, California + 5 more