Skip Navigation LinksHome > September 2013 - Volume 34 - Issue 7 > Outcome Measures for Clinical Trials in Fragile X Syndrome.
Journal of Developmental & Behavioral Pediatrics:
doi: 10.1097/DBP.0b013e31829d1f20
Special Articles

Outcome Measures for Clinical Trials in Fragile X Syndrome.

Berry-Kravis, Elizabeth MD, PhD*; Hessl, David PhD†,‡; Abbeduto, Leonard PhD†,‡; Reiss, Allan L. MD§; Beckel-Mitchener, Andrea PhD; Urv, Tiina K. PhD

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Abstract

Objective:

Progress in basic neuroscience has led to identification of molecular targets for treatment in fragile X syndrome (FXS) and other neurodevelopmental disorders; however, there is a gap in translation to targeted therapies in humans. One major obstacle to the demonstration of efficacy in human trials has been the lack of generally accepted endpoints to assess improvement in function in individuals with FXS. To address this problem, the National Institutes of Health convened a meeting of leading scientists and clinicians with the goal of identifying and standardizing outcome measures for use as potential endpoints in clinical trials in FXS.

Methods:

Participants in the meeting included FXS experts, experts in the design and implementation of clinical trials and measure development, and representatives from advocacy groups, industry, and federal agencies.

Results:

The group generated recommendations for optimal outcome measures in cognitive, behavioral, and biomarker/medical domains, including additional testing and validation of existing measures and development of new measures in areas of need. Although no one endpoint or set of endpoints could be identified that met all criteria as an optimal measure, recommendations are presented in this report.

Conclusion:

The report is expected to guide the selection of measures in clinical trials and lead to the use of a more consistent battery of measures across trials. Furthermore, this will help to direct research toward gaps in the development of validated FXS-specific outcome measures and to assist with interpretation of clinical trial data by creating templates for measurement of treatment efficacy.

Copyright © 2013 by Lippincott Williams & Wilkins

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