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ACR-368

Phase 2

Endometrial Adenocarcinoma | Small molecule | Oncology |Acrivon Therapeutics, Inc.|Last Updated: Aug 21, 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDDMC
Total Trials1
Total Enrollment350

FDA Designations

FAST_TRACKBREAKTHROUGH_THERAPY

Clinical trial landscape

ACR-368 · 1 trial · 1 indication

Phase 2 1
NCT05548296A Phase 2 Study of ACR-368 in Endometrial AdenocarcinomaEndometrial Adenocarcinoma
RECRUITING350 Analytics
PHASE2RECRUITING
A Phase 2 Study of ACR-368 in Endometrial Adenocarcinoma
Endometrial AdenocarcinomaUnlock trial analytics

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 to 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)

LOWAug 21, 2026NCT05548296lastUpdatePostDate: changed
LOWAug 21, 2026NCT05548296lastUpdatePostDate: changed
LOWJun 16, 2026NCT05548296lastUpdatePostDate: changed
LOWJun 16, 2026NCT05548296lastUpdatePostDate: changed
LOWJun 16, 2026NCT05548296lastUpdatePostDate: changed
LOWJun 16, 2026NCT05548296lastUpdatePostDate: changed
LOWJun 11, 2026NCT05548296Enrollment: 401 → 350
LOWJun 11, 2026NCT05548296Enrollment: 401 → 350

Frequently asked questions about ACR-368

What is ACR-368 used for?

ACR-368 is an investigational small molecule being developed for the treatment of endometrial adenocarcinoma, a type of cancer that forms in the lining of the uterus. It is currently being studied in a Phase 2 clinical trial for this indication.

Who makes ACR-368?

ACR-368 is being developed by Acrivon Therapeutics, Inc., a biopharmaceutical company traded on the stock exchange under the ticker symbol ACRV. The company is conducting clinical research to evaluate the drug's safety and efficacy in patients with endometrial adenocarcinoma.

What phase is ACR-368 in?

ACR-368 is currently in Phase 2 clinical development. It is an investigational drug, meaning it has not yet been approved by regulatory authorities. The ongoing Phase 2 study is actively recruiting participants to evaluate its effects in endometrial adenocarcinoma.

What clinical trials is ACR-368 in?

ACR-368 is being studied in a Phase 2 clinical trial registered as NCT05548296. This trial is recruiting female patients aged 18 years and older with endometrial adenocarcinoma. The study is being conducted in the United States, France, Germany, Italy, and Spain, with a planned enrollment of 350 participants.

Has ACR-368 received FDA designations?

Yes, ACR-368 has received Fast Track and Breakthrough Therapy designations from the U.S. Food and Drug Administration. These designations are intended to expedite the development and review of drugs that show promise in treating serious conditions and addressing unmet medical needs.