Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Nov 7, 2026, 1:27 PM EST

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Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
Conditions
Acute Pain
Interventions
VX-993, HB/APAP, Placebo (matched to VX-993), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
14
States / cities
Sheffield, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 11 more
Conditions
Acute Pain
Interventions
VX-150, HB/APAP, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
4
States / cities
Phoenix, Arizona • Anaheim, California • Pasadena, California + 1 more
Conditions
Acute Pain
Interventions
Suzetrigine (SUZ), HB/APAP, Placebo (matched to SUZ), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
12
States / cities
Sheffield, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 8 more
Conditions
Acute Pain
Interventions
SUZ, HB/APAP, Placebo (matched to SUZ), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,075 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
21
States / cities
Sheffield, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 18 more
Conditions
Pain Management
Interventions
MK-6916, Hydrocodone/acetaminophen (HB/APAP), MK-6916 Placebo, Rescue Medication
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
9
States / cities
Miami, Florida • Tampa, Florida • Atlanta, Georgia + 6 more
Conditions
Acute Pain
Interventions
VX-548, HB/APAP, Placebo (matched to VX-548), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
12
States / cities
Sheffield, Alabama • Phoenix, Arizona • Anaheim, California + 9 more
Conditions
Acute Pain
Interventions
VX-548, HB/APAP, Placebo (matched to VX-548), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
7
States / cities
Phoenix, Arizona • Pasadena, California • Pasadena, Maryland + 4 more