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ACR-368

Phase 2

Endometrial Adenocarcinoma | Small molecule | Oncology |Acrivon Therapeutics, Inc.|Last Updated: May 14, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment401
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05548296A Phase 2 Study of ACR-368 in Endometrial AdenocarcinomaPHASE2 RECRUITING 401Aug 29, 2022Nov 30, 2027May 14, 202690 United States, France +3
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Study Endpoints
Primary Endpoints
Arm 1: Anti-tumor activity of ACR-368 in Endometrial cancer subjects that are OncoSignature Positive.
Response will be assessed every 8 weeks from baseline through 2 years or death.

Assess Objective Response Rate (ORR) per RECIST v1.1 by computed tomography or magnetic resonance imaging.

Arm 2: Anti-tumor activity of ACR-368 with ULDG sensitization in Endometrial cancer subjects that are OncoSignature Negative.
Response will be assessed every 8 weeks from baseline through 2 years or death.

Objective Response Rate (ORR) per RECIST v1.1 by computed tomography or magnetic resonance imaging.

Arm 3: Anti-tumor activity of ACR-368 with ULDG sensitization in Endometrial cancer subjects (Serous All-Comers).
Response will be assessed every 8 weeks from baseline through 2 years or death.

Objective Response Rate (ORR) per RECIST v1.1 by computed tomography or magnetic resonance imaging.

Arm 4: Anti-tumor activity of ACR-368 with ULDG sensitization in Endometrial cancer subjects (Serous All-Comers).
Response will be assessed every 8 weeks from baseline through 2 years or death.

Objective Response Rate (ORR) per RECIST v1.1 by computed tomography or magnetic

Secondary Endpoints
Arm 1 and Arm 4: Adverse Events (AEs) for ACR-368
AEs will be assessed from baseline through 2 years or death.
Arm 2 and Arm 3: Adverse Events (AEs) for ACR-368 with ULDG sensitization
AEs will be assessed from baseline through 2 years or death.
All Arms: Limited pharmacokinetic (PK) testing.
Dose of ACR-368 at day 1 and day 15 of first cycle.
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
OncoSignature Positive TumorsEXPERIMENTALARM 1: Participants with OncoSignature Positive Tumors will enter a Phase 2 Simon 2-Stage Study that will assess the efficacy of ACR-368 as monotherapy.
OncoSignature Negative TumorsEXPERIMENTALArm 2: Participants with OncoSignature Negative Tumors will receive ACR-368 with ULDG sensitization. The Phase 2 Study will assess the efficacy and safety of ACR-368 with ULDG sensitization.
OncoSignature Unselected (Serous All-Comers) ACR-368 with ULDGEXPERIMENTALArm 3: Participants who are OncoSignature Unselected will receive ACR-368 with ULDG sensitization. The Phase 2 Study will assess the efficacy and safety of ACR-368 with ULDG sensitization.
OncoSignature Unselected (Serous All-Comers) ACR-368EXPERIMENTALArm 4: Participants who are OncoSignature Unselected will receive ACR-368. The Phase 2 Study will assess the efficacy and safety of ACR-368.
Interventions
NameTypeDescription
ACR-368DRUGACR-368 is an experimental drug
GemcitabineDRUGSensitization of tumor cells is provided through administration of ULDG
OncoSignatureDIAGNOSTIC_TESTProspective prediction of drug sensitivity based on a pretreatment tumor biopsy
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Eligibility Criteria
Age Range18 Years — N/A
SexFEMALE
Healthy VolunteersNo
Study Sites90

Inclusion Criteria: General 1. Participant must be able to give signed, written informed consent. 2. Participant must have histologically documented, high-grade endometrial cancer. Arms 1 and 2 1. All high-grade epithelial endometrial histological subtypes are eligible including: endometrioi...

Countries:United StatesFranceGermanyItalySpain
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Recent Changes (Last 90 Days)
MEDIUMMay 26, 2026NCT05548296Enrollment: 353 → 401
LOWMay 24, 2026NCT05548296studyFirstPostDate: changed
LOWApr 8, 2026NCT05548296lastUpdatePostDate: changed
LOWApr 8, 2026NCT05548296lastUpdatePostDate: changed