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ALN-2232

Phase 1

Obesity | Small molecule | Metabolic |Alnylam Pharmaceuticals, Inc.|Last Updated: Aug 12, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment156

FDA Designations

No designations recorded

Clinical trial landscape

ALN-2232 · 1 trial · 1 indication

Phase 1 1
NCT07463846A Study to Evaluate ALN-2232 in Participants With ObesityObesity
RECRUITING156 Analytics
PHASE1RECRUITING
A Study to Evaluate ALN-2232 in Participants With Obesity
ObesityUnlock trial analytics

Study Endpoints

Primary Endpoints

Part A: Frequency of Adverse Events (AEs)
Up to 12 months
Part B: Percent Change from Baseline in Body Weight
Baseline up to Month 6
Part C: Percent Change from Baseline in Body Weight
Baseline up to Month 6

Secondary Endpoints

Part A: Change from Baseline in Proteins in Adipose Tissue
Baseline up to Month 12
Part A: Area Under the Plasma Concentration-time Curve (AUC) of ALN-2232 in Plasma
Predose and up to 15 days postdose
Part A: Maximum Observed Plasma Concentration (Cmax) of ALN-2232 in Plasma
Predose and up to 15 days postdose
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part A: ALN-2232EXPERIMENTALParticipants will be administered a single dose of ALN-2232
Part A: PlaceboPLACEBO_COMPARATORParticipants will be administered a single dose of placebo
Part B: ALN-2232EXPERIMENTALParticipants will be administered multiple doses of ALN-2232
Part B: PlaceboPLACEBO_COMPARATORParticipants will be administered multiple doses of placebo
Part C: ALN-2232EXPERIMENTALParticipants will be administered multiple doses of ALN-2232
Part C: PlaceboPLACEBO_COMPARATORParticipants will be administered multiple doses of placebo
Part C: TirzepatideOTHERParticipants will be administered multiple doses of tirzepatide once weekly

Interventions

NameTypeDescription
ALN-2232DRUGALN-2232 will be administered subcutaneously (SC)
PlaceboDRUGPlacebo will be administered SC
TirzepatideDRUGTirzepatide will be administered SC
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: All Parts: * Has a body mass index (BMI) of ≥30 kg/m\^2 and \<40 kg/m\^2 * Has a hemoglobin A1c (HbA1c) \<6.5% Exclusion Criteria: All Parts: * Has any clinically significant concomitant disease, medical condition, or abnormal laboratory finding that could compromise partici...

Countries:Canada
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Recent Changes (Last 90 Days)

LOWAug 12, 2026NCT07463846lastUpdatePostDate: changed
LOWAug 12, 2026NCT07463846lastUpdatePostDate: changed
LOWJul 24, 2026NCT07463846lastUpdatePostDate: changed
LOWJul 24, 2026NCT07463846lastUpdatePostDate: changed
LOWJun 12, 2026NCT07463846lastUpdatePostDate: changed
LOWJun 12, 2026NCT07463846lastUpdatePostDate: changed

Frequently asked questions about ALN-2232

What is ALN-2232 used for?

ALN-2232 is an investigational small molecule being developed for the treatment of obesity. It is currently in Phase 1 clinical development and is not yet approved by regulatory authorities. The drug is being studied in participants with obesity to evaluate its safety and efficacy.

Who makes ALN-2232?

ALN-2232 is being developed by Alnylam Pharmaceuticals, Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol ALNY. The company is conducting a Phase 1 clinical trial to evaluate the drug in participants with obesity.

What phase is ALN-2232 in?

ALN-2232 is in Phase 1 clinical development. It is an investigational drug and has not been approved by the FDA or any other regulatory agency. The ongoing Phase 1 trial is actively recruiting participants with obesity to assess the drug's safety, tolerability, and pharmacokinetics.

What clinical trials is ALN-2232 in?

ALN-2232 is being evaluated in a single Phase 1 clinical trial with the identifier NCT07463846. This randomized, double-blind, placebo-controlled study is recruiting 156 participants with obesity in Canada. The trial is currently active and recruiting, with an enrollment age minimum of 18 years.

Is ALN-2232 a small molecule?

Yes, ALN-2232 is a small molecule therapeutic. It is being developed as a metabolic treatment for obesity. The drug is administered in a clinical trial setting and is currently in Phase 1 development, meaning it is still in the early stages of clinical testing.