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A Study Evaluating Anvumetostat in Combination With Other Therapies in Participants With Advanced Gastrointestinal, Biliary Tract, or Pancreatic Cancers With Homozygous Methylthioadenosine Phosphorylase (MTAP)-Deletion (MTAPESTRY 103)

A Phase 1b Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Efficacy of Anvumetostat in Combination With Other Therapies in Subjects With Advanced Gastrointestinal, Biliary Tract, or Pancreatic Cancers With Homozygous MTAP-deletion

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06360354
Acronym
MTAPESTRY 103
Enrollment
350
Registered
2024-04-11
Start date
2024-05-29
Completion date
2029-02-25
Last updated
2026-03-31

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Advanced Gastrointestinal, Biliary Tract, and Pancreatic Cancers

Keywords

Advanced Cancer, Methylthioadenosine Phosphorylase, AMG 193, Oncology

Brief summary

The study aims to determine maximum tolerated dose (MTD) or recommended combination dose of the MTA-cooperative PRMT5 inhibitor Anvumetostat administered in combination with other therapies in adult participants with metastatic or locally advanced methylthioadenosine phosphorylase (MTAP)-deleted gastrointestinal, biliary tract, or pancreatic cancers. The study also aims to determine the safety profile of Anvumetostat administered in combination with other therapies in adult participants with metastatic or locally advanced MTAP-deleted gastrointestinal, biliary tract, or pancreatic cancers.

Interventions

Administered Orally

DRUGGemcitabine

Administered IV

DRUGNab-paclitaxel

Administered IV

Modified FOLFIRINOX consists of irinotecan, 5-FU, LV, and oxaliplatin administered IV

Administered orally

Sponsors

Amgen
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 100 Years
Healthy volunteers
No

Inclusion criteria

Subprotocol B Inclusion: * Age ≥ 18 years (or ≥ legal age within the country if it is older than 18 years). * Histologically or cytologically confirmed diagnosis of metastatic and/or unresectable (locally advanced) adenocarcinoma of the pancreas. * Tumor tissue (FFPE sample) or an archival block must be available. Participants without archived tumor tissue available may be allowed to enroll by undergoing tumor biopsy before dosing. * Homozygous MTAP-deletion. * Disease measurable as defined by RECIST v1.1. * Adequate organ function as defined in the protocol. Exclusion: * Prior treatment with a MAT2A inhibitor or a PRMT5 inhibitor. * Radiation therapy within 28 days of first dose. * Major surgery within 28 days of first dose of Anvumetostat. * Cardiovascular and pulmonary

Exclusion criteria

as defined in the protocol. * Gastrointestinal tract disease causing the inability to take PO medication, malabsorption syndrome, requirement for IV alimentation, gastric/jejunal tube feeds, uncontrolled inflammatory gastrointestinal disease (eg, Crohn's disease, ulcerative colitis). * History of solid organ transplantation. Subprotocol C Inclusion: * Age ≥ 18 years (or ≥ legal age within the country if it is older than 18 years). * Histologically or cytologically confirmed diagnosis of metastatic and/or unresectable (locally advanced) adenocarcinoma of the pancreas. * Homozygous MTAP-deletion. * Rat Sarcoma Viral Oncogene Homolog (RAS) mutation * Received at least 1 prior systemic therapy for advanced or metastatic PDAC. * Disease measurable as defined by RECIST v1.1. * Adequate organ function as defined in the protocol. Exclusion: * Prior treatment with aMAT2A inhibitor, a PRMT5 inhibitor, or a MAPK pathway inhibitor, including KRAS inhibitors. * Cardiovascular and pulmonary

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants Experiencing Dose Limiting Toxicities (DLT)Up to 28 days
Number of Participants Experiencing Treatment Emergent Adverse Events (TEAE)Up to approximately 2 yearsAny clinically significant changes in vital signs, electrocardiogram, or lab parameters will be recorded as TEAEs.
Number of Participants Experiencing Serious Adverse Events (SAE)Up to approximately 2 years

Secondary

MeasureTime frame
Objective Response (OR) per Response Evaluation Criteria in Solid Tumors (RECIST v1.1)Up to approximately 2 years
Disease Control (DC) per RECIST v1.1Up to approximately 2 years
Duration of Response (DOR) per RECIST v1.1Up to approximately 2 years
Time to Response (TTR) per RECIST v1.1Up to approximately 2 years
Overall Survival (OS) per RECIST v1.1Up to approximately 2 years
Progression-free Survival (PFS) per RECIST v1.1Up to approximately 2 years
Maximum Plasma Concentration (Cmax) of AnvumetostatUp to Day 1 of Cycle 5 (one cycle = 21 or 28 days)
Time to Maximum Plasma Concentration (tmax) of AnvumetostatUp to Day 1 of Cycle 5 (one cycle = 21 or 28 days)
Area Under the Plasma Concentration-time Curve (AUC) of AnvumetostatUp to Day 1 of Cycle 5 (one cycle = 21 or 28 days)
Cmax of RMC-6236Up to Day 1 of Cycle 5 (one cycle = 21 days)
Tmax of RMC-6236Up to Day 1 of Cycle 5 (one cycle = 21 days)
AUC of RMC-6236Up to Day 1 of Cycle 5 (one cycle = 21 days)

Countries

Australia, Belgium, Canada, China, Denmark, France, Germany, Greece, Hong Kong, Italy, Japan, Netherlands, Spain, Taiwan, United Kingdom, United States

Contacts

STUDY_DIRECTORMD

Amgen

CONTACTAmgen Call Center
medinfo@amgen.com866-572-6436

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 5, 2026