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ATG-037

Phase 1

Locally Advanced or Metastatic Solid Tumors | Small Molecules | Oncology |Merck & Company, Inc.|Trials Updated: Nov 10, 2026

ATG-037 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Jan 2022

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment98

FDA Designations

No designations recorded

ATG-037 clinical trials

ATG-037 · 1 trial · 1 indication

Phase 1 1
NCT05205109A Study to Assess the Safety, Pharmacokinetics, Pharmacodynamics, and Preliminary Efficacy of ATG 037 Monotherapy and Combination Therapy With Pembrolizumab in Patients With Advanced Solid TumorsLocally Advanced or Metastatic Solid Tumors
RECRUITING98 Analytics
PHASE1RECRUITING
A Study to Assess the Safety, Pharmacokinetics, Pharmacodynamics, and Preliminary Efficacy of ATG 037 Monotherapy and Combination Therapy With Pembrolizumab in Patients With Advanced Solid Tumors
Locally Advanced or Metastatic Solid TumorsUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence of adverse events and server adverse events
One year after last patient first dose

Will be graded according to the NCI-CTCAE Grading Scale version 5.0.

DLT
Up to 21 Days

Number of Participants with Dose Limiting Toxicity

MTD
Up to 21 Days

Maximum tolerated dose of ATG-037

RP2D
Up to 21 Days

Recommended phase 2 dose of ATG-037

Secondary Endpoints

Plasma concentration of ATG-037 and derived PK parameters
One year after last patient first dose
Inhibition of CD73 enzymatic activity in plasma
One year after last patient first dose
ORR as per RECIST v1.1 and DOR, DCR, PFS, OS evaluated by the investigators
One year after last patient first dose
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ATG-037+Keytruda(Pembrolizumab, MK-3475)EXPERIMENTALPart I: Dose Escalation Phase of ATG-037 Monotherapy PartII: Dose Escalation Phase and Dose Expansion Phase of ATG-037 in Upfront Combination with Keytruda(Pembrolizumab, MK-3475)

Interventions

NameTypeDescription
ATG-037DRUGPart I : ATG-037 will be administered orally once a day (QD) on D-2, then multiple doses of ATG-037 will be administered orally BID for every day from C1D1. A treatment cycle will be defined as 21 days. Part II: ATG-037 will be administered orally BID for every day from C1D1.
KEYTRUDA ®( Pembrolizumab)DRUGPart I: After 2 cycles of ATG-037 monotherapy, eligible participants will receive ATG-037 combination therapy with Keytruda ®(Pembrolizumab) 200mg/Q3W fixed dose for up to 35 administrations (approximately 2 years). Part II: Keytruda ®(Pembrolizumab) will be administered from C1.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites8

Inclusion Criteria: 1. Provision of signed and dated, written informed consent prior to any study-specific procedures, sampling, and analyses. 2. Aged at least 18 years as of the date of consent. 3. Unresectable Stage III or Stage IV melanoma patients, who have had disease progression on or after a...

Countries:AustraliaChina
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