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Evaluating the Effects of Tasimelteon in Individuals With Autism Spectrum Disorder (ASD) and Sleep Disturbances

A Study to Evaluate the Efficacy and Safety of Tasimelteon in Treating Sleep Disturbances in Individuals With Autism Spectrum Disorder

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05361707
Enrollment
100
Registered
2022-05-05
Start date
2021-07-28
Completion date
2025-07-31
Last updated
2024-03-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Autism Spectrum Disorder, Neurological Disorder, Sleep Disorder, Sleep Disturbance

Brief summary

This is a multicenter, open-label study to evaluate the efficacy and safety of a daily single oral dose of tasimelteon in treating sleep disturbances in pediatric and adult participants with ASD.

Interventions

DRUGTasimelteon Oral Capsule, Tasimelteon Liquid Suspension

Once Daily

Sponsors

Vanda Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
2 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Ability and acceptance to provide written informed consent of the participant or legal guardian (and assent as required). * A confirmed clinical diagnosis of Autism Spectrum Disorder (ASD) and a recent history of sleep disturbances. * The sleep disturbance must not be a result of another diagnosable disorder or medication. * Male or female between 2 and 65 years of age, inclusive. * Willing and able to comply with study requirements and restrictions.

Exclusion criteria

* Inability to dose daily with tasimelteon or previous intolerance to tasimelteon. * Indication of impaired liver function. * Evidence of increased risk of self-harm. * Pregnant or lactating females. * A positive test for drugs of abuse. * Other diagnosable causes of sleep disorders or use of medications that may cause sedation or stimulation.

Design outcomes

Primary

MeasureTime frame
Change in sleep time over the treatment period, as measured by sleep diary.12 weeks

Secondary

MeasureTime frame
Improvement in objective sleep-wake parameters such as severity of condition, as measured by administered questionnaires.12 weeks
Improvement in objective behavioral parameters such as the participant's overall behavior, as measured by sleep diary in the Patient Global Impression of Severity Behavior Questionnaire (PGI-S Behavior).12 weeks
Assessment of safety and tolerability of daily single dose of tasimelteon, as measured by spontaneous reporting of adverse events (AEs).12 weeks

Countries

United States

Contacts

Primary ContactVanda Pharmaceuticals Inc.
VEC162@vandapharma.com202-734-3400

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026