If you need support right now

This page includes language about suicide and self-harm, because that is how the trial's eligibility criteria are written. If reading it has been hard, you do not have to keep going. The services below are free, confidential, and answered by people trained for exactly this.

If you or someone else is in immediate danger, call 000.

  • Lifeline — 24/7 crisis support: 13 11 14
  • Suicide Call Back Service — 24/7 counselling: 1300 659 467
  • 13YARN — 24/7, for Aboriginal and Torres Strait Islander people: 13 92 76
  • Beyond Blue — 24/7 mental health support: 1300 22 4636
  • Emergency: 000

Outside Australia? The numbers above are Australian and will not work from overseas. Find a Helpline is a free directory of crisis lines in over 130 countries, run by ThroughLine with the International Association for Suicide Prevention. If you are in immediate danger, call your local emergency number.

Voxsanity is not a crisis service, and nothing on this page is medical advice. More Australian services are listed on our support lines page.

Phase 3 study for people with Sleep Disorders

Recruiting Phase 3

Sources: ClinicalTrials.gov Checked: 11 October 2026 Not medical advice

This trial at a glance

Status Recruiting
Phase Phase 3
Sponsor Takeda
Registry number NCT07646678
Started 11 June 2026 Today 16 October 2026 Estimated completion 15 June 2031

Where this trial is running

Trial sites and the status recorded for each
SiteCityState or countryStatus at this site
Takeda Site 15 Macquarie Park NSW Recruiting

voxsanity.com.au · trial sites from public registries · registry record synced 11 October 2026 · not medical advice

Who can join

Age 18 Years to 71 Years
Sex Anyone, regardless of sex
Healthy volunteers Not accepted
Enrolment target 500

The official eligibility criteria

Registry text, reproduced exactly. These are the words the trial's sponsor published on ClinicalTrials.gov. They have not been edited, shortened or rewritten, and they are written for researchers rather than for patients.

Key Inclusion Criteria:

1. Participant is willing and able to understand and fully comply with trial procedures and requirements.

2. Participant has a confirmed diagnosis of either NT1, NT2, or IH, and has completed the treatment period of a parent TAK-360 trial.

3. Participant has provided informed consent (that is, in writing, documented via a signed and dated informed consent form (ICF) and any required privacy authorization before the initiation of any trial procedures.

Key Exclusion Criteria:

1. Participant has a positive pregnancy test or is lactating/breastfeeding.

2. Participant has a risk of suicide according to endorsement of item 4 or 5 on the Columbia Suicide Severity Rating Scale (C-SSRS).

3. The participant has developed a new medical disorder associated with excessive daytime sleep (EDS).

4. Participant has developed (within the last 6 months) gastrointestinal disease that is expected to influence the absorption of drugs.

5. Participant has developed a new history of seizures.

6. Participant has experienced clinically significant head injury, per investigator opinion.

7. Participant has developed a history of cerebral ischemia, transient ischemic attack (less than \[\<\] 5 years ago), or cerebral haemorrhage.

8. Participant has developed a history of myocardial infarction, clinically significant coronary artery disease, clinically significant angina, clinically significant cardiac rhythm abnormality, or heart failure.

9. The participant has been diagnosed with medically significant thyroid disease, known functional hepatic impairment, or other severe chronic medical condition other than the central hypersomnolence disorder.

10. Participant has developed a history of cancer in the past 5 years.

Dates on the record

Started 11 June 2026
Estimated completion 15 June 2031
Registry last updated 18 September 2026
Checked by Voxsanity 11 October 2026

Results, publications and the official record

Sources and dates

  • ClinicalTrials.gov – the record this page reformats
  • ClinicalTrials.gov processing date: 18 September 2026.
  • This page last checked by Voxsanity: 11 October 2026.

Voxsanity reformats data from public registries into this layout. It does not edit, interpret or add to what the registry published.

Not medical advice.

Individual trial records are refreshed on a rolling basis rather than all at once, so a record may be up to several weeks old. Each trial page and trial card shows the date its own record was last synced. Where a record has lagged, its status, sites and enrolment can differ from the current registry state in either direction, so check the registry link on the trial page before acting on them.

Letter for your doctor

A one-page summary of this trial to print or email to your GP. It carries the registry's own record of the trial and its eligibility criteria, and nothing Voxsanity has written about whether it suits you.