Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 7, 2026, 11:43 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Conditions
Healthy
Interventions
Tetrodotoxin, placebo
Drug
Lead sponsor
Wex Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Tacoma, Washington
Conditions
Chemotherapy-induced Neuropathic Pain, Chemotherapy-induced Peripheral Neuropathy
Interventions
Tetrodotoxin, Placebo
Drug
Lead sponsor
Wex Pharmaceuticals Inc.
Industry
Eligibility
21 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
15
States / cities
Santa Ana, California • Santa Rosa, California • Port Charlotte, Florida + 11 more
Conditions
Pain, Peripheral Neuropathy, Neuropathic Pain
Interventions
Placebo, Tetrodotoxin
Drug
Lead sponsor
Wex Pharmaceuticals Inc.
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
23
States / cities
Fountain Valley, California • Laguna Hills, California • Los Angeles, California + 18 more
Conditions
TQT Study
Interventions
Tetrodotoxin, Placebos
Drug
Lead sponsor
Wex Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Tempe, Arizona