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ClinicalTrials.gov public records Last synced Oct 3, 2026, 1:54 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Wex Pharmaceuticals Inc. Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1, Single Ascending Dose, Randomized, Double-Blind, Placebo and Positive Controlled Study to Evaluate the Cardiovascular Effect of Tetrodotoxin in Healthy Adult Subjects

NCT04083833
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Oct 3, 2026, 1:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Comparison Study of Liquid and Lyophilized Formulations of Subcutaneous Tetrodotoxin (TTX) in Healthy Volunteers

NCT01527734
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 8, 2012 · Synced Oct 3, 2026, 1:54 PM EDT
Terminated Phase 2 Interventional

A Randomized, Double-Blind, Placebo Controlled, Multicenter, Efficacy and Safety Trial of Single Cycle Tetrodotoxin in the Treatment of Chemotherapy Induced Neuropathic Pain

NCT05359133
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Oct 3, 2026, 1:54 PM EDT
Terminated Phase 2 Interventional Results available

The Purpose of This Study is to Determine if Tetrodotoxin (TTX) is Effective in the Treatment of Pain Resulting From Chemotherapy Treatment

NCT01655823
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 30, 2018 · Synced Oct 3, 2026, 1:54 PM EDT