A Pivotal Study of N-Acetyl-L-Leucine on Niemann-Pick Disease Type C
Public ClinicalTrials.gov record NCT05163288. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Effects of N-Acetyl-L-Leucine on Niemann-Pick Disease Type C (NPC): A Phase III, Randomized, Placebo-controlled, Double-blind, Crossover Study
Study identification
- NCT ID
- NCT05163288
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- IntraBio Inc
- Industry
- Enrollment
- 53 participants
Conditions and interventions
Conditions
Interventions
- N-Acetyl-L-Leucine Drug
- Placebo Other
Drug · Other
Eligibility (public fields only)
- Age range
- 4 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 29, 2022
- Primary completion
- Jun 11, 2030
- Completion
- Nov 30, 2030
- Last update posted
- Apr 2, 2026
2022 – 2030
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic | Rochester | Minnesota | 55905 | Completed |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 13 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05163288, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 2, 2026 · Synced May 18, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05163288 live on ClinicalTrials.gov.