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Tiny tablets could make PKU management easier for patients

NCT ID NCT07671859

Disease control Sponsor: Nutricia UK Ltd Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a new microtablet protein substitute for people with phenylketonuria (PKU), a condition requiring a strict low-protein diet. The microtablets combine protein with vitamins and minerals, aiming to be easier to take than current liquid or powder options. About 20 adults and children (ages 4+) will try the tablets for 28 days, and researchers will check how well they tolerate and accept them.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
amino acid based microtablet protein substitute with vitamins and minerals
What this could lead to
If successful, this could offer a more convenient and acceptable way for people with PKU to manage their condition, potentially improving daily compliance.
What could go wrong
This is a very small, early case series (20 people) lasting only 29 days, so results may not apply to everyone. It focuses on tolerance and acceptability, not long-term health outcomes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Jul 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

4 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Male or female * Over 4 years of age * Patients diagnosed with any phenotype of PKU characterised by hyperphenylalaninaemia * Have been compliant in taking at least one protein substitute, providing at least 20g protein equivalent, for at least 1 month prior to trial commencement * Have a prescribed daily phenylalanine allowance for PKU * Written or electronic informed consent from patient, and/or from parent/caregiver if applicable * Participants who are anticipated to be able to take at least 20g protein equivalent of the case study product per day Exclusion Criteria: * Pregnant or lactating * Requiring parenteral nutrition * Major hepatic or renal dysfunction * Participation in other studies within 1 month prior to entry of this study * Allergy to any of the study product ingredients * Investigator concern around willingness/ability of patient or parent/caregiver to comply with protocol requirement * Treatment with Sapropterin dihydrochloride for less than 6 months

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Conditions

The condition(s) this trial relates to.

phenylketonuria

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Phenylketonuria (PKU)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University Hospitals Bristol and Weston NHS Foundation Trust

    Bristol, United Kingdom

More trials for these conditions

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