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SAR447971

Phase 1

Hidradenitis | Small molecule | Dermatology |Kymera Therapeutics, Inc.|Last Updated: Jun 5, 2026

Target and mechanism

Molecular targetCDK2
Target classProtein
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment114

FDA Designations

No designations recorded

Clinical trial landscape

SAR447971 · 1 trial · 2 indications

Phase 1 1
NCT07629336SAR447971 First-in-human StudyHidradenitis
RECRUITING114 Analytics
PHASE1RECRUITING
SAR447971 First-in-human Study
HidradenitisUnlock trial analytics

Study Endpoints

Primary Endpoints

SAD20411: Incidence of treatment emergent adverse events (TEAEs)
Day 1 to Day 15
SAD20411: Incidence of clinically significant abnormalities in clinical laboratory evaluations (hematology, biochemistry, coagulation, urinalysis)
Day 1 to Day 15
SAD20411: Incidence of clinically significant abnormalities in vital signs
Day 1 to Day 15
SAD20411: Incidence of clinically significant abnormalities in ECG (heart rate, PR, QRS, QT, QTcF)
Day 1 to Day 15
MAD20412: Incidence of treatment emergent adverse events (TEAEs)
Day 1 to Dat 29
MAD20412: Incidence of clinically significant abnormalities in clinical laboratory evaluations (hematology, biochemistry, coagulation, urinalysis)
Day 1 to Dat 29
MAD20412: Incidence of clinically significant abnormalities in vital signs
Day 1 to Dat 29
MAD20412: Incidence of clinically significant abnormalities in ECG (heart rate, PR, QRS, QT, QTcF)
Day 1 to Dat 29
MAD24339: Incidence of treatment emergent adverse events (TEAEs)
Day 1 to Day 42
MAD24339: Incidence of clinically significant abnormalities in clinical laboratory evaluations (hematology, biochemistry, coagulation, urinalysis)
Day 1 to Day 42
MAD24339: Incidence of clinically significant abnormalities in vital signs
Day 1 to Day 42
MAD24339: Incidence of clinically significant abnormalities in ECG (heart rate, PR, QRS, QT, QTcF)
Day 1 to Day 42

Secondary Endpoints

SAD20411: PK parameter - Cmax
Day 1 to Day 15
SAD20411: PK parameter - tmax
Day 1 to Day 15
SAD20411:PK parameter - AUC
Day 1 to Day 15
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
SAR447971EXPERIMENTALSingle or multiple doses by mouth as per protocol
PlaceboPLACEBO_COMPARATORSingle or multiple doses by mouth as per protocol

Interventions

NameTypeDescription
SAR447971DRUGPharmaceutical form: Tablet Route of administration: Oral
PlaceboDRUGPharmaceutical form: Tablet Route of administration: Oral
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: For participation in SAD20411/MAD20412: * Male and/or female participant, between 18 and 55 years of age, inclusive at the time of signing the ICF. * Appearing healthy by a comprehensive clinical assessment (detailed medical history and complete physical examination). For part...

Countries:Netherlands
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Frequently asked questions about SAR447971

What is SAR447971 used for?

SAR447971 is an investigational small molecule being developed for hidradenitis, a chronic inflammatory skin condition. It is currently in Phase 1 clinical development and is not yet approved by regulatory authorities.

What does SAR447971 target?

SAR447971 targets CDK2, a protein involved in cell cycle regulation. By modulating CDK2 activity, the drug is being studied for its potential therapeutic effect in hidradenitis, though its exact mechanism in this condition is still under investigation.

Who is developing SAR447971?

SAR447971 is being developed by Kymera Therapeutics, Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol KYMR. The company is conducting a Phase 1 first-in-human study of the drug.

What phase is SAR447971 in?

SAR447971 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.

What clinical trials is SAR447971 in?

SAR447971 is being evaluated in a Phase 1 first-in-human study with the identifier NCT07629336. This randomized, double-blind, placebo-controlled trial is recruiting 114 participants with hidradenitis and healthy volunteers in the Netherlands.

Is SAR447971 the same as Kymera's other drugs?

SAR447971 is a distinct investigational small molecule developed by Kymera Therapeutics. It is not known to be the same as any other drug in the company's pipeline, and no alternative names for SAR447971 have been disclosed.