Phase 3 study

Recruiting Phase 3

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

This trial at a glance

Status Recruiting
Phase Phase 3
Sponsor Medicure
Registry number NCT04706013
Started 16 February 2024 Today 16 October 2026 Estimated completion 1 November 2026

Where this trial is running

Trial sites and the status recorded for each
SiteCityState or countryStatus at this site
Queensland Children's Hospital South Brisbane QLD Active not recruiting

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

Who can join

Age child, adult, older adult
Sex Anyone, regardless of sex
Healthy volunteers Not accepted
Enrolment target 15

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.

Inclusion Criteria:

1. Patients with confirmed PNPO deficiency via genetic analysis, whose seizures are typically controlled on P5P (oral) therapy.

a. Typically controlled is defined as receiving multiple doses of P5P daily to control seizures. Receiving P5P for a minimum of 30 days.

2. Male and/or female patients.

3. Aged ≥2 years

(3) Patients with previous failed treatment on pyridoxine are eligible for the study (patient should be off pyridoxine for at least 24 hours).

(4) Written informed consent (by parent or guardian if under the age of 18).

Exclusion Criteria:

1. The patient has any condition or abnormality which may, in the opinion of the Investigator, compromise the safety of the patient, or influence their ability to comply with study procedures.

2. Known or suspected allergy to the trial drug or the relevant drugs given in the trial.

3. Involvement in a clinical research study within 4 weeks prior to screening and/or prior enrollment in the study. Participation in observational registry studies is permitted.

Dates on the record

Started 16 February 2024
Estimated completion 1 November 2026
Registry last updated 16 October 2025
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: 16 October 2025.
  • 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.