Translational Pharmacokinetic/Pharmacodynamic Model for mRNA-3927, an Investigational Therapeutic for the Treatment of Propionic Acidemia.
Husain Attarwala, Matthew Lumley, Min Liang...
https://pubmed.ncbi.nlm.nih.gov/36577040/Actively Recruiting
Led by ModernaTX, Inc. · Updated on 2026-01-22
77
Participants Needed
35
Research Sites
N/A
Total Duration
Researchers are studying mRNA-3927, a biological treatment, in people with propionic acidemia PA, a rare genetic condition. This Phase 12 open-label study aims to evaluate the safety, tolerability, and how the drug works in the body by measuring biomarkers. The study is divided into three parts Part 1 focuses on finding the right dose for participants aged 1 year and older, Part 2 assesses the treatments effects in participants aged 1 year and older, and Part 3 studies infants under 1 year old.
CONDITIONS
Open-Label Study of mRNA-3927 in Participants With Propionic Acidemia
M
Moderna WeCare Team
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ModernaTX, Inc.
Lead Sponsor
This table compares participation in this trial with other options available for this condition. The information is drawn from published research and the trial’s study details and is provided for educational purposes only.
| Factors | mRNA‑3927 (trial therapy) | Conventional metabolic management (context) |
|---|---|---|
| What it is | An investigational mRNA therapy delivering both PCCA and PCCB mRNAs via intravenous infusion | Ongoing metabolic therapy using low‑protein diet, carnitine supplementation, and antibiotics to reduce propiogenic precursors |
| Role in the trial | Participants receive mRNA‑3927 under a sequential part‑structured protocol (dose optimization, pivotal, infants groups) | Not studied in the trial but represents usual care participants would otherwise receive |
| Primary aim or use | To evaluate safety and effects on metabolic decompensation events and biomarkers in participants with PA | To maintain metabolic control, prevent crises, and manage PA symptoms |
| Administration or performance | Intravenous infusion of mRNA‑3927 as sequential regimen parts | Diet and supplements managed orally under metabolic specialist guidance |
| Evidence status | Early-phase interim data suggest possible reduction in metabolic decompensation events and biomarker improvements, evidence still preliminary | Longstanding clinical experience supports its role in preventing metabolic crises |
| Important risks | Interim data report high incidence of treatment‑related adverse events (mostly laboratory abnormalities or infusion‑related reactions) | Risks of metabolic crisis if diet or supplementation is insufficient; complications can be severe including neurologic injury |
| Important limitations | Small early‑phase cohorts, sequential design; long‑term effects and efficacy not yet established | Requires strict lifelong adherence to diet and medications; does not address underlying enzyme deficiency |
Disclaimer: This comparison is created with the help of artificial intelligence(AI) and may contain errors or missing information. It is not medical advice and does not mean one option is better or safer than another. Clinical trials are still being studied, and joining a trial is your choice. Please consult your healthcare professional before making any decisions.
You may qualify if you...
You will not qualify if you...
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Up to 12 months
Participants are observed before starting treatment to collect baseline data.
Visits as needed for baseline assessments
Duration - Up to approximately 20 to 30 weeks depending on dosing interval
Participants aged 1 year or older receive single doses of mRNA-3927 by intravenous infusion every 2 or 3 weeks for up to 10 doses to determine the optimal dose and dosing interval.
Up to 10 IV infusion visits every 2 or 3 weeks
Duration - Up to approximately 12 months
Participants aged 1 year or older receive the identified optimal dose of mRNA-3927 by intravenous infusion every 2 weeks for up to 26 doses or approximately 12 months to evaluate safety and efficacy.
Up to 26 IV infusion visits every 2 weeks
Duration - Up to approximately 12 months
Infants under 1 year receive the identified optimal dose of mRNA-3927 by intravenous infusion every 2 weeks for up to 26 doses or approximately 12 months to evaluate safety and efficacy.
Up to 26 IV infusion visits every 2 weeks
Duration - Up to 37 weeks after last dose
Participants are monitored after treatment ends to assess safety and long-term outcomes.
Visits as scheduled for safety and outcome assessments
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NA
Model
SEQUENTIAL
Primary Purpose
TREATMENT
Number of Arms
1
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Husain Attarwala, Matthew Lumley, Min Liang...
https://pubmed.ncbi.nlm.nih.gov/36577040/ModernaTX, Inc.
Lead Sponsor