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MRTX849

Phase 3

Advanced Colorectal Cancer | Small molecule | Oncology |Bristol-Myers Squibb Company|Last Updated: Aug 11, 2026

Target and mechanism

Molecular targetKRAS G12C
Target classProtein
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment461

FDA Designations

No designations recorded

Clinical trial landscape

MRTX849 · 5 trials · 8 indications

Phase 3 2Phase 1 3
NCT04793958Phase 3 Study of MRTX849 With Cetuximab vs Chemotherapy in Patients With Advanced Colorectal Cancer With KRAS G12C Mutation (KRYSTAL-10)Advanced Colorectal Cancer
ACTIVE NOT_RECRUITING461 Analytics
NCT04685135Phase 3 Study of MRTX849 (Adagrasib) vs Docetaxel in Patients With Advanced Non-Small Cell Lung Cancer With KRAS G12C MutationMetastatic Non Small Cell Lung Cancer
ACTIVE NOT_RECRUITING453 Analytics
PHASE3ACTIVE NOT_RECRUITING
Phase 3 Study of MRTX849 With Cetuximab vs Chemotherapy in Patients With Advanced Colorectal Cancer With KRAS G12C Mutation (KRYSTAL-10)
Advanced Colorectal CancerUnlock trial analytics
PHASE3ACTIVE NOT_RECRUITING
Phase 3 Study of MRTX849 (Adagrasib) vs Docetaxel in Patients With Advanced Non-Small Cell Lung Cancer With KRAS G12C Mutation
Metastatic Non Small Cell Lung CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Overall Survival (OS)
30 months

Defined as time from date of randomization to date of death due to any cause.

Progression-free Survival (PFS)
30 months

Defined as time from randomization until disease progression or death from any cause, whichever occurs first.

Progression-Free Survival (PFS) as Per Blinded Independent Central Review
From randomization to the date of progression or death due to any cause, whichever occurs first (up to approximately 143 weeks)

Progression-free survival (PFS) is defined as the time from randomization to the date of progression or death due to any cause, whichever occurs first. 95% CI was obtained using Brookmeyer and Crowley method. Participants who are not observed to have progressed or died are censored at the date of last evaluable tumor assessment. Disease progression assessed as per RECISIST 1.1 was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm.

Characterize the number of patients with treatment emergent adverse events of the combination regimen in patients with advanced solid tumor malignancies with KRAS G12C mutation.
24 months

Number of participants with treatment emergent adverse events

Evaluate Pharmacokinetics of the combination regimen
24 months

Plasma concentration

Establish Maximum Tolerated Dose
24 months

Number of patients with dose limiting toxicity

Evaluate preliminary clinical activity of the combination regimen
24 months

Objective response rate in accordance with Response Evaluation Criteria in Solid Tumors (RECIST)

Characterize the safety of MRTX849 and TNO155 in patients having advanced solid tumor malignancies with KRAS G12C mutation.
20 months

Number of participants with treatment related adverse events

Evaluate the pharmacokinetics of MRTX849 and TNO155
20 months

Blood plasma concentration

Characterize the safety of MRTX849 in patients having advanced solid tumor malignancies with KRAS G12C mutation
20 months

Number of participants with treatment related adverse events

Evaluate the pharmacokinetics of MRTX849
20 months

Blood plasma concentration

Evaluate clinical activity/efficacy of MRTX849
20 months

Objective response rate in accordance with Response Evaluation Criteria in Solid Tumors (RECIST)

Secondary Endpoints

Adverse Events
30 months
Objective Response Rate (ORR)
30 months
Duration of Response (DOR)
30 months
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
MRTX849 + CetuximabEXPERIMENTAL -
mFOLFOX6 or FOLFIRIACTIVE_COMPARATOR -
MRTX849EXPERIMENTAL -
DocetaxelACTIVE_COMPARATOR -
Dose EscalationEXPERIMENTALDose escalation of MRTX849 and palbociclib to determine maximum tolerated dose in combination.
Dose ExpansionEXPERIMENTALExpansion cohorts may be implemented to ensure sufficient safety experience, pharmacokinetic data and early evidence of clinical activity of MRTX in combination with palbociclib.
Phase 1 Dose ExplorationEXPERIMENTALDose escalation of TNO155 to determine maximum tolerated dose of TNO155 in combination with MRTX849
Phase 1b ExpansionEXPERIMENTALExpansion cohort to ensure sufficient safety experience, pharmacokinetic information, and early evidence of clinical activity of MRTX849 in combination with TNO155 to recommend Phase 2 regimens
Phase 2EXPERIMENTALSeparate cohorts of patients stratified by histological diagnosis for evaluation of clinical activity to evaluate clinical activity of MRTX849 and TNO155 in combination
Pilot Phase 1b Combination with PembrolizumabEXPERIMENTALPhase 1 evaluation of the safety, tolerability, PK and clinical activity of MRTX849 in combination with pembrolizumab in patients with NSCLC
Pilot Phase 1b Combination with CetuximabEXPERIMENTALPhase 1 evaluation of the safety, tolerability, PK and clinical activity of MRTX849 in combination with cetuximab in patients with CRC
Pilot Phase 1b Combination with AfatinibEXPERIMENTALPhase 1 evaluation of the safety, tolerability, PK and clinical activity of MRTX849 in combination with afatinib in patients with NSCLC
Phase 2 Combination with CetuximabEXPERIMENTALPhase 2 evaluation of the clinical activity of MRTX849 in combination with cetuximab in patients with CRC
Pilot Phase 1b Combination with Cetuximab in NSCLCEXPERIMENTALPhase 1 evaluation of the safety, tolerability, PK and clinical activity of MRTX849 in combination with cetuximab in patients with NSCLC
Pilot Phase 1b Combination with Cetuximab in PDACEXPERIMENTALPhase 1 evaluation of the safety, tolerability, PK and clinical activity of MRTX849 in combination with cetuximab in patients with pancreatic adenocarcinoma (PDAC)

Interventions

NameTypeDescription
MRTX849DRUG28 Day Cycle
CetuximabBIOLOGICAL28 Day Cycle
mFOLFOX6 RegimenDRUG* Fluorouracil * Oxaliplatin * Folinic acid
FOLFIRI RegimenDRUG* Fluorouracil * Irinotecan * Folinic acid
DocetaxelDRUG21 day cycles
PalbociclibDRUGCDK 4 and 6 inhibitor
TNO155DRUGSHP2 Inhibitor
PembrolizumabDRUGPembrolizumab is administered as an intravenous infusion once every 3 weeks
AfatinibDRUGAfatinib will be administered orally once a day in a continuous regimen
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites419

Inclusion Criteria: * Histologically confirmed diagnosis of colorectal carcinoma with KRAS G12C mutation in tumor tissue. * Prior receipt of 1st line treatment in advanced CRC with a fluoropyrimidine-based chemotherapy regimen containing either oxaliplatin or irinotecan, and radiographically docume...

Countries:United StatesArgentinaAustraliaAustriaBelgiumBrazilCanadaChinaColombiaCzechiaDenmarkFinlandFranceGermanyGreeceHong KongIrelandItalyMalaysiaMexicoNetherlandsPolandPortugalPuerto RicoRomaniaSingaporeSouth KoreaSpainTaiwanThailandUkraineUnited KingdomHungaryRussiaSwitzerland
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Competitive Landscape -Colorectal Cancer 257 trials (matched to "Advanced Colorectal Cancer")

Recent Changes (Last 90 Days)

MEDIUMAug 11, 2026NCT04685135Completion: 2026-07-02 → 2026-10-30
MEDIUMAug 11, 2026NCT04685135Completion: 2026-07-02 → 2026-10-30
LOWJul 29, 2026NCT03785249primaryCompletionDate: changed
LOWJul 29, 2026NCT03785249primaryCompletionDate: changed
LOWJul 24, 2026NCT04793958startDate: changed
LOWJul 24, 2026NCT04793958startDate: changed

Frequently asked questions about MRTX849

What is MRTX849 used for?

MRTX849, also known as adagrasib, is an investigational small molecule being studied for the treatment of advanced solid tumors, advanced cancer, advanced colorectal cancer, and metastatic non-small cell lung cancer. It is currently in Phase 1 clinical development for these oncology indications.

What does MRTX849 target?

MRTX849 targets the KRAS G12C mutation, a specific genetic alteration found in certain cancers. As a small molecule inhibitor, it is designed to bind to the mutant KRAS G12C protein, potentially blocking its activity in tumor cells.

Who makes MRTX849?

MRTX849 is being developed by Bristol-Myers Squibb Company, which trades under the ticker symbol BMY on the stock exchange. The company is conducting clinical trials to evaluate the drug's safety and efficacy in patients with KRAS G12C-mutated cancers.

What phase is MRTX849 in?

MRTX849 is currently in Phase 1 clinical development. It is an investigational drug, meaning it has not been approved by regulatory authorities and is still undergoing clinical trials to assess its safety and effectiveness in treating advanced cancers.

What clinical trials is MRTX849 in?

MRTX849 is being studied in several clinical trials, including NCT03785249 (KRYSTAL-1), a Phase 1/2 study in patients with KRAS G12C mutations, and NCT04330664 (KRYSTAL 2), a Phase 1 combination study with TNO155. These trials are investigating the drug's effects in advanced and metastatic cancers.

Is MRTX849 the same as adagrasib?

Yes, MRTX849 is also known as adagrasib. The drug is referred to by both names in clinical research and development contexts, with adagrasib being the generic name and MRTX849 the investigational code.