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Terminated Phase 1Phase 2 Interventional

A Study to Assess the Safety, Pharmacokinetics, and Pharmacodynamics of mRNA-3705 in Participants With Isolated Methylmalonic Acidemia

ClinicalTrials.gov ID: NCT04899310

Public ClinicalTrials.gov record NCT04899310. 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.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 4:41 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Global Phase 1/2 Study to Evaluate the Safety, Tolerability, Pharmacodynamics, and Pharmacokinetics of mRNA-3705 in Participants With Isolated Methylmalonic Acidemia Due to Methylmalonyl-CoA Mutase Deficiency

Study identification

NCT ID
NCT04899310
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
ModernaTX, Inc.
Industry
Enrollment
18 participants

Conditions and interventions

Interventions

  • mRNA-3705 Biological
  • Placebo Biological

Biological

Eligibility (public fields only)

Age range
1 Year 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
Aug 5, 2021
Primary completion
Mar 31, 2026
Completion
Mar 31, 2026
Last update posted
May 5, 2026

2021 – 2026

United States locations

U.S. sites
3
U.S. states
2
U.S. cities
3
Facility City State ZIP Site status
UCLA Medical Center Los Angeles California 90095
Lucile Packard Children's Hospital at Stanford Palo Alto California 94304
The Children's Hospital of Philadelphia Philadelphia Pennsylvania 19104

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 8 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04899310, 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 May 5, 2026 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04899310 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →