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mRNA-0184

Phase 1

Chronic Heart Failure | RNA therapy | Cardiovascular |Moderna, Inc.|Trials Updated: Mar 17, 2025

mRNA-0184 development status

Highest phase Phase 1
Registered trials 3 across 1 sponsor since Dec 2022

mRNA-0184 target and mechanism

Molecular targetrelaxin
Target classHormone
ModalityRNA therapy

Success Probability

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Market & Valuation

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Trial Design

RandomizedPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment48

FDA Designations

No designations recorded

mRNA-0184 clinical trials

mRNA-0184 · 1 trial · 1 indication

Phase 1 1
NCT05659264A Study to Evaluate the Safety of mRNA-0184 in Participants With Heart FailureChronic Heart Failure
COMPLETED48 Analytics
PHASE1COMPLETED
A Study to Evaluate the Safety of mRNA-0184 in Participants With Heart Failure
Chronic Heart FailureUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants With Treatment-Emergent Adverse Events (TEAEs)
Baseline up to Day 296

Secondary Endpoints

Serum Concentrations of mRNA Encoding Relaxin-2-variable Light Chain Kappa (Rel2- vlk mRNA)
Day 1 (within 60 minutes predose) up to Day 183
Maximum Observed Plasma Concentration (Cmax) of Rel2-vlk mRNA
Day 1 (within 60 minutes predose) up to Day 183
Area Under the Curve From Time 0 to Time t (AUC0-t) of Rel2-vlk mRNA
Day 1 (within 60 minutes predose) up to Day 183
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Study Design & Arms

AllocationRANDOMIZED
MaskingSINGLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
SAD Stage: mRNA-0184EXPERIMENTALParticipants will receive a single dose of mRNA-0184.
MAD Stage: mRNA-0184EXPERIMENTALParticipants will receive up to 4 doses of mRNA-0184 administered over a treatment period of up to 16 weeks.
MAD Stage: PlaceboPLACEBO_COMPARATORParticipants will receive placebo matching to mRNA-0184 administered over a treatment period of up to 16 weeks.

Interventions

NameTypeDescription
mRNA-0184DRUGmRNA-0184 dispersion for intravenous (IV) infusion
PlaceboDRUG0.9% sodium chloride (normal saline) injection
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites14

Key Inclusion Criteria: * Documented diagnosis of heart failure (HF) based on medical records. * Left ventricular ejection fraction (LVEF) ≥ 35% and \< 50% at Screening, or documented within the 3 months before Screening, measured by transthoracic echocardiogram (TTE) or cardiac magnetic resonance ...

Countries:United StatesPolandUnited Kingdom
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Frequently asked questions about mRNA-0184

What is mRNA-0184 used for?

mRNA-0184 is an investigational RNA therapy being developed for chronic heart failure. It is designed as a treatment for patients with this cardiovascular condition, a population that includes adults 18 years and older. It has not been approved for any use and remains in clinical development.

What does mRNA-0184 target?

mRNA-0184 targets relaxin, a hormone. By directing cells to produce relaxin, the therapy aims to act on the hormone pathway relevant to chronic heart failure. Relaxin is a naturally occurring hormone that influences cardiovascular function, and the mRNA approach is intended to deliver it therapeutically.

Who is developing mRNA-0184?

mRNA-0184 is being developed by Moderna, Inc., which trades on the Nasdaq under the ticker MRNA. Moderna is the sponsor of the clinical program evaluating the therapy in chronic heart failure. The company's pipeline includes this RNA therapy as part of its cardiovascular research efforts.

What phase is mRNA-0184 in?

mRNA-0184 is in Phase 1 clinical development. The single Phase 1 trial evaluating it has been completed, and the drug is not approved by the FDA. It remains an investigational therapy for chronic heart failure, with no later-stage trials reported.

What clinical trials is mRNA-0184 in?

mRNA-0184 has been studied in one Phase 1 trial, NCT05659264, titled A Study to Evaluate the Safety of mRNA-0184 in Participants With Heart Failure. The trial enrolled 48 adults with chronic heart failure across the United States, Poland, and the United Kingdom, and it is now completed.

How was the mRNA-0184 Phase 1 trial designed?

The Phase 1 trial NCT05659264 was a randomized, placebo-controlled study that enrolled 48 participants with chronic heart failure. It was not double-blind and did not select patients by biomarker. Participants were adults 18 years and older, and the study was conducted in the United States, Poland, and the United Kingdom.