Technical difficulties have been reported by some users of the search function and is being investigated by technical staff. Thank you for your patience and apologies for any inconvenience caused.

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been endorsed by the ANZCTR. Before participating in a study, talk to your health care provider and refer to this information for consumers
Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/ct2/show/NCT04652882




Registration number
NCT04652882
Ethics application status
Date submitted
19/11/2020
Date registered
3/12/2020
Date last updated
3/04/2024

Titles & IDs
Public title
Evaluating the Effects of Tasimelteon vs. Placebo in Delayed Sleep-Wake Phase Disorder (DSWPD)
Scientific title
A Multicenter, Double-blind, Randomized Study to Evaluate the Effects of Tasimelteon vs. Placebo in Participants With Delayed Sleep-Wake Phase Disorder (DSWPD)
Secondary ID [1] 0 0
VP-VEC-162-3502
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Sleep Wake Disorders 0 0
Sleep Disorders, Circadian Rhythm 0 0
Chronobiology Disorders 0 0
Condition category
Condition code
Neurological 0 0 0 0
Other neurological disorders
Mental Health 0 0 0 0
Other mental health disorders

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - Tasimelteon
Treatment: Drugs - Placebo

Experimental: Tasimelteon -

Placebo Comparator: Placebo -


Treatment: Drugs: Tasimelteon
oral capsule

Treatment: Drugs: Placebo
oral capsule

Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Change in Sleep Onset over the treatment period, as measured by sleep diary.
Timepoint [1] 0 0
28 days
Secondary outcome [1] 0 0
Change in nighttime objective sleep-wake parameters such as sleep time, as measured by actigraphy.
Timepoint [1] 0 0
28 days
Secondary outcome [2] 0 0
Change in nighttime subjective sleep-wake parameters such as sleep time, as measured by sleep diary.
Timepoint [2] 0 0
28 days
Secondary outcome [3] 0 0
Assessment of safety and tolerability of daily single dose of tasimelteon, as measured by spontaneous reporting of adverse events (AEs).
Timepoint [3] 0 0
28 days

Eligibility
Key inclusion criteria
- Ability and acceptance to provide written informed consent.

- A confirmed clinical diagnosis of Delayed Sleep-Wake Phase Disorder (DSWPD).

- Men or women between 18 - 75 years, inclusive.

- Body Mass Index (BMI) of = 18 and = 35 kg/m^2.
Minimum age
18 Years
Maximum age
75 Years
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
- Exacerbation of an existing psychiatric condition that requires change in treatment or
intervention in the past 3 months.

- Major surgery, trauma, illness, general anesthesia, or immobility for 3 or more days
within the last 30 days.

- Pregnancy, recent pregnancy (within 6 weeks), or women who are breastfeeding.

- A positive test for substances of abuse.

Study design
Purpose of the study
Treatment
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Blinded (masking used)
Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
Intervention assignment
Parallel
Other design features
Phase
Phase 3
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Recruiting
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
NSW
Recruitment hospital [1] 0 0
Vanda Investigational Site - Glebe
Recruitment postcode(s) [1] 0 0
2037 - Glebe
Recruitment outside Australia
Country [1] 0 0
United States of America
State/province [1] 0 0
California
Country [2] 0 0
United States of America
State/province [2] 0 0
Florida
Country [3] 0 0
United States of America
State/province [3] 0 0
Illinois
Country [4] 0 0
United States of America
State/province [4] 0 0
Massachusetts
Country [5] 0 0
United States of America
State/province [5] 0 0
Minnesota
Country [6] 0 0
United States of America
State/province [6] 0 0
Missouri
Country [7] 0 0
United States of America
State/province [7] 0 0
Ohio
Country [8] 0 0
United States of America
State/province [8] 0 0
South Carolina
Country [9] 0 0
United States of America
State/province [9] 0 0
Texas
Country [10] 0 0
Germany
State/province [10] 0 0
Berlin
Country [11] 0 0
Germany
State/province [11] 0 0
Hamburg
Country [12] 0 0
Germany
State/province [12] 0 0
München
Country [13] 0 0
Germany
State/province [13] 0 0
Schwerin

Funding & Sponsors
Primary sponsor type
Commercial sector/Industry
Name
Vanda Pharmaceuticals
Address
Country

Ethics approval
Ethics application status

Summary
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 participants
with DSWPD.
Trial website
https://clinicaltrials.gov/ct2/show/NCT04652882
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Vanda Pharmaceuticals Inc.
Address 0 0
Country 0 0
Phone 0 0
202-734-3400
Fax 0 0
Email 0 0
VEC162@vandapharma.com
Contact person for scientific queries



Summary Results

For IPD and results data, please see https://clinicaltrials.gov/ct2/show/NCT04652882