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Olomorasib

Phase 3

Carcinoma, Non-Small-Cell Lung | Small molecule | Oncology |Eli Lilly and Company|Trials Updated: Oct 15, 2026

Olomorasib development status

Highest phase Phase 3
Registered trials 15 across 2 sponsors since Jul 2021

Olomorasib target and mechanism

ModalitySmall molecule

Also known as Olomorasib test, LY3537982

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials6
Total Enrollment2,598

FDA Designations

BREAKTHROUGH_THERAPY

Olomorasib clinical trials

Olomorasib · 6 trials · 9 indications

Phase 3 2Phase 2 1Phase 1 3
NCT06890598Study of Olomorasib (LY3537982) in Combination With Standard of Care in Participants With Resected or Unresectable KRAS G12C-mutant Non-Small Cell Lung CancerCarcinoma, Non-Small-Cell Lung
RECRUITING700 Analytics
NCT06119581A Study of First-Line Olomorasib (LY3537982) and Pembrolizumab With or Without Chemotherapy in Patients With Advanced KRAS G12C-Mutant Non-small Cell Lung CancerCarcinoma, Non-Small-Cell Lung
RECRUITING1,264 Analytics
PHASE3RECRUITING
Study of Olomorasib (LY3537982) in Combination With Standard of Care in Participants With Resected or Unresectable KRAS G12C-mutant Non-Small Cell Lung Cancer
Carcinoma, Non-Small-Cell LungUnlock trial analytics
PHASE3RECRUITING
A Study of First-Line Olomorasib (LY3537982) and Pembrolizumab With or Without Chemotherapy in Patients With Advanced KRAS G12C-Mutant Non-small Cell Lung Cancer
Carcinoma, Non-Small-Cell LungUnlock trial analytics

Study Endpoints

Primary Endpoints

Part A: Disease-Free Survival (DFS) by Investigator Assessment
Randomization to disease recurrence or death from any cause (Estimated as approximately 4 years).

DFS by Investigator Assessment

Part B: Progression-Free Survival (PFS) by BICR
Randomization to disease progression or death from any cause (Estimated as approximately 3 years).

PFS per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 by blinded independent central review (BICR)

Dose Optimization and Safety Lead-In Part B: Number of Participants with a Treatment Emergent Adverse Event(s) (TEAE)
Randomization to first documented progression of disease or death from any cause. (Estimated as approximately 1 year)

Dose Optimization and Safety Lead-In Part B: Number of Participants with a TEAE

Part A and Part B: Progression-Free Survival (PFS)
Randomization to first documented progression of disease or death from any cause. (Estimated as approximately 1 year)

PFS per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 by blinded independent central review (BICR)

Overall Response Rate (ORR) Per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1
Baseline until Disease Progression (PD) or Participant Stops Study (Estimated up to 15 Months)
Progression-Free Survival (PFS) Per RECIST v1.1
Baseline to the Date of First Documented Progression of Disease or Participant Stops Study (Estimated up to 21 Months)
Pharmacokinetics: Maximum Concentration (Cmax) of LY3537982
Day 1, Predose up to Day 5 Postdose
Pharmacokinetics: Area Under the Concentration Verses Time Curve from Time Zero to Infinity (AUC[0-∞]) of LY3537982
Day 1, Predose up to Day 5 Postdose
Pharmacokinetics: Area Under the Concentrations Verses Time Curve from Time Zero to Time t (AUC(0-tlast) of LY3537982
Day 1, Predose up to Day 5 Postdose
Pharmacokinetics (PK): Maximum Observed Plasma Concentration (Cmax) of LY3537982
Predose approximately up to 18 weeks

PK: Cmax of LY3537982

PK: Area Under the Plasma Concentration Versus Time Curve (AUC) of LY3537982
Predose approximately up to 18 weeks

PK: AUC of LY3537982

Phase 1a: To determine the recommended phase 2 dose (RP2D) of LY3537982 monotherapy
Cycle 1 (21 Days)

Measured by the number of patients with dose-limiting toxicities (DLTs)

Phase 1b: To assess the safety and tolerability of LY3537982 when administered alone or in combination with other investigational agents
Cycle 1 (21 Days)

Measured by the number of patients with dose-limiting toxicities (DLTs)

Phase 1b: To determine the optimal dose of LY3537982 to be administered to treatment-naïve participants with advanced NSCLC in combination with pembrolizumab
Estimated up to 2 years

Measured by TEAEs

To determine the optimal dose of LY3537982 to be administered to participants who have received at least one prior oxaliplatin- or irinotecan-containing regimen for advanced or metastatic CRC in combination with cetuximab
Estimated up to 2 years
To assess the antitumor activity of LY3537982 monotherapy in participants with advanced pancreatic cancer with KRAS G12C mutation
Estimated up to 2 years

Secondary Endpoints

Part A & B: Overall Survival (OS)
Randomization to disease progression or death from any cause (Estimated as approximately 5 years).
Part A & B: Change from baseline in health-related quality of life (HRQoL), measured by European Organization for Research & Treatment of CancerQualityofLifeQuestionnaire-Core 30 (EORTC QLQ-C30)
Randomization through end of treatment (Estimated as approximately 3 years).
Part B: PFS by Investigator
Randomization to disease progression or death from any cause (Estimated as approximately 3 years)
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part A: Olomorasib + PembrolizumabEXPERIMENTALParticipants will receive olomorasib administered orally in combination with pembrolizumab intravenously (IV) for up to 1 year followed by olomorasib alone for up to 3 years of total treatment.
Part A: Placebo + PembrolizumabPLACEBO_COMPARATORParticipants will receive placebo administered orally in combination with pembrolizumab administered IV for up to 1 year followed by placebo alone for up to 3 years of total treatment.
Part B: Olomorasib + DurvalumabEXPERIMENTALParticipants will receive olomorasib administered orally in combination with durvalumab administered IV for up to 1 year followed by olomorasib alone for up to 3 years of total treatment.
Part B: Placebo + DurvalumabPLACEBO_COMPARATORParticipants will receive placebo administered orally in combination with durvalumab administered IV for up to 1 year followed by placebo alone for up to 3 years of total treatment.
Dose Optimization: LY3537982 Dose Level 1 plus PembrolizumabEXPERIMENTALLY3537982 Dose level 1 administered orally in combination with pembrolizumab administered intravenously (IV) in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.
Dose Optimization: LY3537982 Dose Level 2 plus PembrolizumabEXPERIMENTALLY3537982 Dose level 2 administered orally in combination with pembrolizumab administered IV in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.
Safety Lead In: LY3537982 plus Pembrolizumab, Pemetrexed and PlatinumEXPERIMENTALLY3537982 administered orally in combination with pembrolizumab, pemetrexed, and platinum (cisplatin or carboplatin) administered IV in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.
Part A: LY3537982 plus PembrolizumabEXPERIMENTALLY3537982 administered orally in combination with pembrolizumab administered IV in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.
Part A: Placebo plus PembrolizumabPLACEBO_COMPARATORPlacebo administered orally in combination with pembrolizumab administered IV in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.
Part B: LY3537982 plus Pembrolizumab, Pemetrexed, and PlatinumEXPERIMENTALLY3537982 administered orally in combination with pembrolizumab, pemetrexed, and platinum (cisplatin or carboplatin) administered IV in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.
Part B: Placebo plus Pembrolizumab, Pemetrexed, and PlatinumPLACEBO_COMPARATORPlacebo administered orally in combination with pembrolizumab, pemetrexed, and platinum (cisplatin or carboplatin) administered IV in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.
Part C: LY3537982 plus PembrolizumabEXPERIMENTALLY3537982 administered orally in combination with pembrolizumab administered IV in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.
Olomorasib + Cetuximab + mFOLFOX6EXPERIMENTALOlomorasib administered orally; Cetuximab, fluorouracil, leucovorin \& oxaliplatin administered intravenously (IV)
LY3537982 (Normal renal function)EXPERIMENTALLY3537982 administered orally.
LY3537982 (Severe renal impairment)EXPERIMENTALLY3537982 administered orally.
LY3537982 (Moderate renal impairment)EXPERIMENTALLY3537982 administered orally.
LY3537982EXPERIMENTALLY3537982 administered orally.
LY3537982 (Dose Escalation)EXPERIMENTALLY3537982 administered orally.
LY3537982 (Dose Expansion)EXPERIMENTALLY3537982 administered orally either alone or with another investigational agent.
LY3537982 (Dose Optimization)EXPERIMENTALLY3537982 administered orally either alone or with another investigational agent

Interventions

NameTypeDescription
OlomorasibDRUGAdministered orally.
PembrolizumabDRUGAdministered intravenously (IV).
DurvalumabDRUGAdministered IV.
PlaceboDRUGAdministered orally.
LY3537982DRUGAdministered orally.
CisplatinDRUGAdministered IV.
CarboplatinDRUGAdministered IV.
PemetrexedDRUGAdministered IV.
CetuximabDRUGAdministered IV
OxaliplatinDRUGAdministered IV
Leucovorin/levofolinate calciumDRUGAdministered IV
5-fluorouracilDRUGAdministered IV
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites366

Inclusion Criteria: * Histological or cytological confirmation of NSCLC. * Part A 1. Clinical Stage II-IIIB (N0, N1, N2) treated with presurgical chemoimmunotherapy, with residual tumor present at time of surgery. Patients with a pathologic complete response are not eligible. 2. Patholo...

Countries:United StatesAustraliaAustriaBelgiumBrazilChileChinaCzechiaFranceGermanyGreeceHungaryIndiaIsraelItalyJapanNetherlandsNorwayPolandPortugalRomaniaSlovakiaSouth KoreaSpainSwedenSwitzerlandTaiwanTurkey (Türkiye)United KingdomCanadaDenmarkMexico
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Recent Changes (Last 90 Days)

LOWOct 15, 2026NCT07814417lastUpdatePostDate: changed
LOWOct 15, 2026NCT07814417lastUpdatePostDate: changed
LOWOct 7, 2026NCT06119581lastUpdatePostDate: changed
LOWOct 7, 2026NCT06890598lastUpdatePostDate: changed
LOWOct 7, 2026NCT06119581lastUpdatePostDate: changed
LOWOct 7, 2026NCT06890598lastUpdatePostDate: changed
LOWSep 24, 2026NCT06890598lastUpdatePostDate: changed
LOWSep 24, 2026NCT06890598lastUpdatePostDate: changed
LOWSep 11, 2026NCT07814417NEW_TRIAL: changed
LOWSep 11, 2026NCT07814417NEW_TRIAL: changed
LOWSep 8, 2026NCT06890598lastUpdatePostDate: changed
LOWSep 8, 2026NCT06119581lastUpdatePostDate: changed
LOWSep 8, 2026NCT06890598lastUpdatePostDate: changed
LOWSep 8, 2026NCT06119581lastUpdatePostDate: changed
LOWAug 24, 2026NCT06890598lastUpdatePostDate: changed
LOWAug 24, 2026NCT06119581lastUpdatePostDate: changed
LOWAug 24, 2026NCT06890598lastUpdatePostDate: changed
LOWAug 24, 2026NCT06119581lastUpdatePostDate: changed
LOWAug 7, 2026NCT06890598lastUpdatePostDate: changed
LOWAug 7, 2026NCT06890598lastUpdatePostDate: changed

Frequently asked questions about Olomorasib

What is Olomorasib used for?

Olomorasib is an investigational small molecule being developed for KRAS G12C-mutant cancers, specifically non-small cell lung cancer and colorectal neoplasms. It is being studied in patients with resected or unresectable KRAS G12C-mutant non-small cell lung cancer and in advanced colorectal cancer with a KRAS G12C mutation. It is not yet approved for any indication.

What does Olomorasib target?

Olomorasib targets KRAS G12C, a specific mutation of the KRAS protein. By inhibiting this mutant form, the drug aims to block signaling that drives tumor growth in cancers harboring the KRAS G12C alteration. The trials are biomarker-selected, enrolling only participants with this mutation.

Who is developing Olomorasib?

Olomorasib is being developed by Eli Lilly and Company, which trades on the New York Stock Exchange under the ticker LLY. The company is the sponsor of the clinical trials evaluating the drug in KRAS G12C-mutant solid tumors.

What phase is Olomorasib in?

Olomorasib is in Phase 3 clinical development. The Phase 3 trial is evaluating the drug in combination with standard of care in participants with resected or unresectable KRAS G12C-mutant non-small cell lung cancer. A Phase 2 trial in advanced colorectal cancer is also planned.

What clinical trials is Olomorasib in?

Olomorasib is being studied in two registered trials. NCT06890598 is a Phase 3 trial in KRAS G12C-mutant non-small cell lung cancer, recruiting 700 participants across many countries. NCT07814417 is a Phase 2 trial in advanced colorectal cancer with a KRAS G12C mutation, planning to enroll 50 participants in the United States, China, and Spain.

Is Olomorasib the same as Olomorasib test?

Olomorasib test is an alternative name for olomorasib, also known by the development code LY3537982. All refer to the same investigational small molecule being developed by Eli Lilly and Company for KRAS G12C-mutant cancers.