Additional Dietary Large Neutral Amino Acids (LNAA) for Improved Symptoms in Adult Classical Phenylktonuria (PKU)

NCT05174559 · Status: ACTIVE_NOT_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 10

Last updated 2023-12-04

No results posted yet for this study

Summary

This research investigates the effects of combining a phenylalanine restricted diet (usual care) with LNAA supplementation (adjuvant LNAA) in well-controlled adults with classical PKU. The hypothesis is that symptoms are improved in well-controlled patients who receive adjuvant LNAA therapy compared with diet monotherapy. Six symptomatic classical PKU adults will be enrolled to test the hypothesis in a small series of N-of-1 randomized controlled trials over 18-weeks. All assessments will be collected in patient's homes. A 3-month follow-up period will assess the longer-term effects of adjuvant LNAA in patients who show clinical benefit at the end of the intervention period.

Conditions

  • Phenylketonurias

Interventions

OTHER

PreKUnil® LNAA Medical Food for PKU

PreKUnil® LNAA Medical Food for PKU is a commercially available active LNAA treatment product for PKU. PreKUnil® inactive LNAA is a customized placebo for this research.

Sponsors & Collaborators

  • National PKU Alliance

    collaborator UNKNOWN
  • University of Southern California

    lead OTHER

Principal Investigators

  • Shoji Yano, MD, PhD · Keck School of Medicine at USC

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-09-01
Primary Completion
2024-07-31
Completion
2024-07-31

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05174559 on ClinicalTrials.gov