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Clinical Trial Summary

This is an investigator initiated study is designed to evaluate the anti-tremor benefits of two marketed medications, methazolamide and acamprosate in subjects with a diagnosis of essential tremor (ET).


Clinical Trial Description

This is an investigator initiated study is designed to evaluate the anti-tremor benefits of two marketed medications, methazolamide and acamprosate in subjects with a diagnosis of essential tremor (ET). Methazolamide is approved by the FDA to treat glaucoma. Acamprosate is approved by the FDA and used in the treatment of alcoholism. Some subjects using these medications for those indications incidentally reported that they had improvement in their essential tremor symptoms. The primary objective of this study is the change in the upper extremity tremor scores assessed by one of the tremor rating scales (FMTRS) compared to baseline. This scale has been used in previous reported studies. Secondary objectives will be to evaluate the change in the ratings on several scales between placebo and study medication treatment. Additionally, tremor amplitude will be measured with device called Kinesia HomeView . This has a sensor unit that is slipped over a finger and transmits information to a near by computer. This device has been used by our staff in other clinical studies at our site to evaluate tremor symptoms. The study is a double blind, parallel design with three separate treatment arms, each 3 weeks long . One arm is placebo, the other two are conventional dosing of either acamprosate (333 mg tablets TID) or methazolamide (50 mg tablets TID). Subjects who have ET and meet criteria will be randomized in varied order to undergo all three treatments There will be a one week washout period between arms of study treatments where subject are not on any study medication. Subjects who qualify will be titrated on every three days up to a final dose of one tablet three times a day at mealtimes by day 7. They will then be evaluated after two weeks and three weeks on this dose. There are 7 visits for the study. Consent will be reviewed and signed at the beginning of visit one. All study visits include vital sign assessment, neurological exam, suicidality, tremor rating scales and Kinesia recoding. Quality of life questionnaire will be completed weekly after start. Visit one will also include collecting information on medical history, medication history and current medication. A physical exam will be done on visit one and at the end of the study For qualifying patients, study medication will be dispensed at the end of visit one and instructions provided for titrating. Medication will be collected and counted at each visit, Each arm will last for 3 weeks, with subject ET symptom assessement at week 2 and 3. After completion of week 3 assessments, all study medication will be returned and they will change dosing to the next assigned arm where the same assessment cycle is undergone. Study medication and directions will be provided with directives to start dosing after one week wash out. After trial arm 3, subject trial participation is completed. Adverse events are assessed weekly from starting trial medication at visit one until one week after end of trial. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06312800
Study type Interventional
Source Henry Ford Health System
Contact
Status Withdrawn
Phase Phase 2
Start date March 2016
Completion date December 2017

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