Treatment of Fragile-X Associated Tremor/Ataxia Syndrome (FXTAS) With Allopregnanolone
| Status: | Completed |
|---|---|
| Conditions: | Neurology |
| Therapuetic Areas: | Neurology |
| Healthy: | No |
| Age Range: | 50 - 85 |
| Updated: | 12/8/2018 |
| Start Date: | October 2015 |
| End Date: | December 2017 |
The purpose of this study is to examine the safety and efficacy of Allopregnanolone as a
possible treatment for symptoms of Fragile X-associated Tremor/Ataxia Syndrome (FXTAS).
possible treatment for symptoms of Fragile X-associated Tremor/Ataxia Syndrome (FXTAS).
This study includes a screening visit with several assessments, followed by an open-label
medication trial of Allopregnanolone for 12 weeks and an end-point evaluation to assess for
changes. Assessments include blood draws for genetic and safety laboratory testing,
neurological and physical exam and medical history, cognitive testing, and motor testing.
Study record was updated in October 2018 to include adverse events and outcome measure
reporting. Study record was updated in November 2018 in response to requests to (1) specify
time frame of reported outcome measures, (2) clarify that the RASS was a safety monitoring
tool, not a prespecified outcome measure, and as such will not be reported as an outcome
measure, and (3) upload a version of the study protocol and statistical analysis plan with
the required title page and statistical analysis plan information.
medication trial of Allopregnanolone for 12 weeks and an end-point evaluation to assess for
changes. Assessments include blood draws for genetic and safety laboratory testing,
neurological and physical exam and medical history, cognitive testing, and motor testing.
Study record was updated in October 2018 to include adverse events and outcome measure
reporting. Study record was updated in November 2018 in response to requests to (1) specify
time frame of reported outcome measures, (2) clarify that the RASS was a safety monitoring
tool, not a prespecified outcome measure, and as such will not be reported as an outcome
measure, and (3) upload a version of the study protocol and statistical analysis plan with
the required title page and statistical analysis plan information.
Inclusion Criteria
- Fragile X premutation carrier status (55 to 200 CGG repeats in FMR1),
- Diagnosis of FXTAS including an intention tremor and/or ataxia and/or deficits on the
BDS-2 demonstrating executive function deficits.
Exclusion Criteria
- other genetic problems in addition to the premutation
- a history of significant brain trauma
- significant substance abuse
- inability to follow the protocol
- liver or kidney disease
- heart failure
- active cancer
- other serious systemic disease
- current use of phenytoin
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