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ALN-6222

Phase 1

Obesity | Small molecule | Metabolic |Alnylam Pharmaceuticals, Inc.|Last Updated: Sep 3, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment88

FDA Designations

No designations recorded

Clinical trial landscape

ALN-6222 · 1 trial · 1 indication

Phase 1 1
NCT07624071A Study to Evaluate ALN-6222 in Participants With ObesityObesity
RECRUITING88 Analytics
PHASE1RECRUITING
A Study to Evaluate ALN-6222 in Participants With Obesity
ObesityUnlock trial analytics

Study Endpoints

Primary Endpoints

Frequency of Adverse Events
Up to 12 months

Secondary Endpoints

Concentrations of ALN-6222 in Plasma
Predose and up to 3 days postdose
Change from Baseline Protein Markers in Plasma
Predose and up to 12 months postdose
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ALN-6222EXPERIMENTALParticipants will be administered a single dose of ALN-6222.
PlaceboPLACEBO_COMPARATORParticipants will be administered a single dose of placebo.

Interventions

NameTypeDescription
ALN-6222DRUGALN-6222 will be administered subcutaneously (SC).
PlaceboDRUGPlacebo will be administered SC.
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria - * Is an adult patient with a body mass index ≥30 kg/m\^2 to \<40 kg/m\^2 * Has a hemoglobin A1c \<6.5% Exclusion Criteria - * Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) \>1.5 times the upper limit of normal (ULN) * Has known human immunodeficiency ...

Countries:Canada
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Recent Changes (Last 90 Days)

LOWSep 3, 2026NCT07624071lastUpdatePostDate: changed
LOWSep 3, 2026NCT07624071lastUpdatePostDate: changed
LOWAug 12, 2026NCT07624071lastUpdatePostDate: changed
LOWAug 12, 2026NCT07624071lastUpdatePostDate: changed
LOWJul 24, 2026NCT07624071lastUpdatePostDate: changed
LOWJul 24, 2026NCT07624071lastUpdatePostDate: changed
LOWJun 29, 2026NCT07624071Status: NOT_YET_RECRUITING → RECRUITING
LOWJun 29, 2026NCT07624071Status: NOT_YET_RECRUITING → RECRUITING

Frequently asked questions about ALN-6222

What is ALN-6222 used for?

ALN-6222 is an investigational small molecule being developed for the treatment of obesity. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities. The drug is being studied in a clinical trial enrolling participants with obesity.

Who makes ALN-6222?

ALN-6222 is being developed by Alnylam Pharmaceuticals, Inc., a biopharmaceutical company traded on NASDAQ under the ticker ALNY. The company is conducting a Phase 1 clinical trial to evaluate the drug in participants with obesity.

What phase is ALN-6222 in?

ALN-6222 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 currently recruiting participants with obesity.

What clinical trials is ALN-6222 in?

ALN-6222 is being evaluated in a Phase 1 clinical trial with the identifier NCT07624071, titled "A Study to Evaluate ALN-6222 in Participants With Obesity." The trial is recruiting 88 participants in Canada, is randomized, double-blind, and placebo-controlled.

Is ALN-6222 a small molecule?

Yes, ALN-6222 is a small molecule therapeutic. It is being developed as an oral or injectable treatment for obesity, though the specific route of administration has not been disclosed. The drug is currently in Phase 1 clinical testing.