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ALN-PNP

Phase 2

Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) | Small molecule | Metabolic |Regeneron Pharmaceuticals, Inc.|Last Updated: Aug 10, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment204

FDA Designations

No designations recorded

Clinical trial landscape

ALN-PNP · 3 trials · 5 indications

Phase 2 1Phase 1 2
NCT07527910A Phase 2a Study of ALN-PNP With and Without a GLP1R Agonist in Adult Patients With Homozygous PNPLA3-Related MASLDMetabolic Dysfunction-Associated Steatotic Liver Disease (MASLD)
RECRUITING204 Analytics
PHASE2RECRUITING
A Phase 2a Study of ALN-PNP With and Without a GLP1R Agonist in Adult Patients With Homozygous PNPLA3-Related MASLD
Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD)Unlock trial analytics

Study Endpoints

Primary Endpoints

Percent change in liver fat
From baseline at week 24

Part A

Incidence of treatment-emergent adverse events (TEAEs)
Up to 253 days
Severity of TEAEs
Up to 253 days

Secondary Endpoints

Achievement of liver fat <5%
At weeks 24 and 48
Occurrence of Treatment-Emergent Adverse Events (TEAEs)
Through week 72
Severity of TEAEs
Through week 72
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part A: A1EXPERIMENTAL -
Part A: A2EXPERIMENTAL -
Part B: B1EXPERIMENTAL -
Part B: B2EXPERIMENTAL -
Part B: B3EXPERIMENTAL -
Part B: B4PLACEBO_COMPARATOR -
Part A: PlaceboPLACEBO_COMPARATORParticipants who are homozygous for the PNPLA3 rs738409:G risk allele will be randomized 1:1:1:1
Part A: Low DoseEXPERIMENTALParticipants who are homozygous for the PNPLA3 rs738409:G risk allele will be randomized 1:1:1:1
Part A: Mid DoseEXPERIMENTALParticipants who are homozygous for the PNPLA3 rs738409:G risk allele will be randomized 1:1:1:1
Part A: High DoseEXPERIMENTALParticipants who are homozygous for the PNPLA3 rs738409:G risk allele will be randomized 1:1:1:1
Part B: PlaceboPLACEBO_COMPARATORParticipants who are homozygous for the PNPLA3 rs738409:G risk allele will be randomized 1:1:1:1
Part B : Low DoseEXPERIMENTALParticipants who are homozygous for the PNPLA3 rs738409:G risk allele will be randomized 1:1:1:1
Part B: Mid DoseEXPERIMENTALParticipants who are homozygous for the PNPLA3 rs738409:G risk allele will be randomized 1:1:1:1
Part B: High DoseEXPERIMENTALParticipants who are homozygous for the PNPLA3 rs738409:G risk allele will be randomized 1:1:1:1
Part C: Placebo (Optional)PLACEBO_COMPARATORSponsor may elect to enroll participants who are heterozygous for the PNPLA3 rs738409:G risk allele and may be randomized 1:1
Part C: High Dose (Optional)EXPERIMENTALSponsor may elect to enroll participants who are heterozygous for the PNPLA3 rs738409:G risk allele and may be randomized 1:1
Part A: CohortsEXPERIMENTAL -
Part A: Optional CohortEXPERIMENTAL -
Part A: JPN CohortsEXPERIMENTAL -
Part B: CohortsEXPERIMENTAL -
Part C: CohortsEXPERIMENTAL -

Interventions

NameTypeDescription
ALN-PNPDRUGAdministered per the protocol
TirzepatideDRUGAdministered per the protocol
PlaceboDRUGAdministered per the protocol Placebo matching ALN-PNP
Placebo (PB)DRUGAdministered per the protocol
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites6

Key Inclusion Criteria: Part A and Part B: 1. Homozygous for the PNPLA3 p.I148M genotype 2. Liver fat by Magnetic Resonance Imaging-Proton Density Fat Fraction (MRI-PDFF) ≥15% at visit 3 3. Has a Body Mass Index (BMI) ≥30 to \<45 kg/m\^2 at visit 2 Part A: To be eligible for randomization on stud...

Countries:United StatesSouth Korea
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Recent Changes (Last 90 Days)

LOWAug 11, 2026NCT07527910lastUpdatePostDate: changed
LOWAug 11, 2026NCT07527910lastUpdatePostDate: changed
LOWAug 11, 2026NCT07527910lastUpdatePostDate: changed
MEDIUMJun 26, 2026NCT07527910Status: NOT_YET_RECRUITING → RECRUITING
MEDIUMJun 26, 2026NCT07527910Status: NOT_YET_RECRUITING → RECRUITING

Frequently asked questions about ALN-PNP

What is ALN-PNP used for?

ALN-PNP is an investigational small molecule being developed for Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) and Nonalcoholic Fatty Liver Disease (NAFLD). It is also being studied in healthy volunteers. The drug is in Phase 1 clinical development and is not yet approved by regulatory authorities.

Who makes ALN-PNP?

ALN-PNP is being developed by Regeneron Pharmaceuticals, Inc., a biopharmaceutical company traded on the Nasdaq under the ticker symbol REGN. The company is conducting clinical trials to evaluate the safety and tolerability of ALN-PNP in adults with MASLD and NAFLD.

What phase is ALN-PNP in?

ALN-PNP is currently in Phase 1 clinical development. It is an investigational drug and has not been approved by the FDA or any other regulatory agency. Clinical trials are ongoing to assess its safety, tolerability, and how it works in patients with MASLD and NAFLD.

What clinical trials is ALN-PNP in?

ALN-PNP is being studied in several clinical trials. NCT05648214 is a Phase 1 trial in healthy adults and participants with MASLD. NCT06024408 is a completed Phase 1 trial in adults with NAFLD and a genetic risk factor. NCT07527910 is a Phase 2a trial in patients with homozygous PNPLA3-related MASLD.

Is ALN-PNP the same as any other drug?

ALN-PNP is a distinct investigational drug candidate. It is being studied alone and in combination with a GLP1R agonist in a Phase 2a trial for MASLD. No alternative names for ALN-PNP have been reported in the clinical trial information available.