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Clinical Trial Summary

The primary objective of the study is to demonstrate the safety and potential efficacy of TJ-68 for improving muscle cramps in participants with ALS based on a two-site, randomized, placebo-controlled double-blind multi-period crossover (N-of-1) study design.


Clinical Trial Description

In Japan, TJ-68 is a common Kampo medicine prescribed by Japanese physicians to manage muscle cramps or pain of diverse origins. In the USA, there are no effective medications to control muscle cramps and no approved medications to specifically treat muscle cramps. Quinine sulfate and Mexiletine have shown some effect with additional safety considerations. The fact that TJ-68 has been commonly used for the treatment of muscle cramps in Japan and the lack of available medications for cramps in ALS represent the fundamental rationale for this proposal. This is a phase 1/2, two-site, double-blinded, randomized, placebo-controlled, multi-period crossover clinical trial for individuals with ALS and muscle cramps. Participants will be enrolled in the study for 11 weeks and receive TJ-68, also known as Shakuyakukanzoto - a kampo, herbal medicine - to assess its effect in relieving muscle cramps. This clinical trial employs N-of-1 study design in which all participants will receive TJ-68 and placebo at certain points, serving as their own controls. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04998305
Study type Interventional
Source Columbia University
Contact Hiroshi Mistumoto, MD, Dsc.
Phone 212-305-1319
Email hm264@cumc.columbia.edu
Status Recruiting
Phase Phase 1/Phase 2
Start date September 30, 2022
Completion date March 2024

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