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Fragile X Syndrome clinical trials recruiting in the U.S.
7 studies for Fragile X Syndrome are recruiting participants at sites across the United States.
Fragile X syndrome is caused by a change in a gene and is passed from parent to child. Learn about symptoms and effects of this genetic disorder.
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Recently updated studies
Study of MRM-3379 in Male Participants With Fragile X Syndrome (BLOOM)
RecruitingPhase 2
Ages 13 to 45 · Men · Updated Sep 29, 2026 · NCT07209462Tracking Early Emergence of Sound Perception Impairments in FXS With Multimodal fNIRS/EEG- Infant
RecruitingHealthy volunteers welcome
6 Months – 26 Months · All sexes · Updated Jul 10, 2026 · NCT06560242Alpha Auditory Entrainment for Cognitive Enhancement and Sensory Hypersensitivity in Youth With Developmental Disorders
RecruitingHealthy volunteers welcome
Ages 5 to 10 · All sexes · Updated Mar 30, 2026 · NCT06227780Intensive Multimodal Neurorehabilitation Targeting Neuroplasticity in Pediatric Neurodevelopmental and Chromosomal Disorders
RecruitingObservational study
Ages 4 to 12 · All sexes · Updated Mar 25, 2026 · NCT07493096Speech-in-noise Perception in Autism and Fragile X
RecruitingHealthy volunteers welcome
Ages 15 to 35 · All sexes · Updated Mar 19, 2026 · NCT06088589Physical Activity and Community EmPOWERment Project
RecruitingHealthy volunteers welcome
Ages 18 and older · All sexes · Updated Feb 23, 2026 · NCT06740162Tracking Early Emergence of Sound Perception Impairments in FXS With Multimodal fNIRS/EEG-Preschool Age
RecruitingHealthy volunteers welcome
24 Months – 4 Years · All sexes · Updated Jul 10, 2025 · NCT05957549From ClinicalTrials.gov, data retrieved Oct 1, 2026. Each study sets its own eligibility; the study team decides who can join.