NCT06953869

Brief Summary

This is a multicenter, double-blind, randomized study to evaluate the efficacy and safety of a daily single oral dose of tasimelteon and matching placebo in male and female pediatric participants with insomnia disorder.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
420

participants targeted

Target at P50-P75 for phase_3

Timeline
20mo left

Started Apr 2025

Typical duration for phase_3

Geographic Reach
1 country

3 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress39%
Apr 2025Jan 2028

First Submitted

Initial submission to the registry

April 1, 2025

Completed
20 days until next milestone

Study Start

First participant enrolled

April 21, 2025

Completed
10 days until next milestone

First Posted

Study publicly available on registry

May 1, 2025

Completed
2.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2027

Expected
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2028

Last Updated

May 1, 2025

Status Verified

January 1, 2025

Enrollment Period

2.5 years

First QC Date

April 1, 2025

Last Update Submit

April 23, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Change in sleep latency, as measured by daily sleep diary.

    12 Weeks

Secondary Outcomes (6)

  • Change in nighttime subjective sleep parameters, such as sleep quality, as measured by sleep diary.

    12 Weeks

  • Change in nighttime subjective sleep parameters, such as sleep time, as measured by sleep diary.

    12 Weeks

  • Change in daytime functioning, as measured by questionnaire.

    12 Weeks

  • Change in behavior, as measured by questionnaire.

    12 Weeks

  • Change in nighttime objective sleep parameters such as sleep time, as measured by actigraphy.

    12 Weeks

  • +1 more secondary outcomes

Study Arms (2)

Tasimelteon

EXPERIMENTAL
Drug: Tasimelteon Oral Suspension

Placebo

PLACEBO COMPARATOR
Drug: Placebo

Interventions

Single daily dose, weight-based liquid suspension formulation.

Tasimelteon

Placebo comparator.

Placebo

Eligibility Criteria

Age2 Years - 17 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • Ability and acceptance to provide written informed consent of the participant or legal guardian (and assent as required).
  • Confirmed clinical diagnosis of insomnia disorder
  • Males and Females between 2 and 17 years, inclusive.
  • The sleep disturbance must not be a result of another medication.

You may not qualify if:

  • Inability to dose daily with tasimelteon or previous intolerance to tasimelteon.
  • Indication of impaired liver function.
  • Pregnant or lactating females.
  • A positive test for drugs of abuse.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Vanda Investigational Site

Winter Park, Florida, 32789, United States

RECRUITING

Vanda Investigational Site

Charlotte, North Carolina, 28277, United States

RECRUITING

Vanda Investigational Site

San Antonio, Texas, 78229, United States

RECRUITING

MeSH Terms

Conditions

Sleep Initiation and Maintenance Disorders

Condition Hierarchy (Ancestors)

Sleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesMental Disorders

Central Study Contacts

Vanda Pharmaceuticals, Inc.

CONTACT

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 1, 2025

First Posted

May 1, 2025

Study Start

April 21, 2025

Primary Completion (Estimated)

November 1, 2027

Study Completion (Estimated)

January 1, 2028

Last Updated

May 1, 2025

Record last verified: 2025-01

Data Sharing

IPD Sharing
Will not share

Locations