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

Summary

The purpose of this study is to assess if adding LY3537982 (olomorasib) in combination with standard of care anti-cancer drugs is more effective than standard of care in participants with untreated advanced NSCLC. NSCLC must have a change in a gene called KRAS G12C. Study participation, including follow-up, could last up to 3 years, depending on how you and your lung cancer are doing.

Eligibility

Inclusion Criteria:

* Histologically or cytologically confirmed NSCLC with Stage IIIB-IIIC or Stage IV disease, not suitable for curative intent radical surgery or radiation therapy.
* Part B and Safety Lead-In Part B: the histology of the tumor must be predominantly non-squamous (in line with pemetrexed label).
* Must have disease with evidence of KRAS G12C mutation.
* Must have known programmed death-ligand 1 (PD-L1) expression

  * Part A: Greater than or equal to (≥)50 percent (%).
  * Part B: 0% to 100%.
  * Part C: \<50%.
* Must have measurable disease per RECIST v1.1.
* Must have an ECOG performance status of 0 or 1.
* Estimated life expectancy ≥12 weeks.
* Ability to swallow capsules.
* Must have adequate laboratory parameters.
* Contraceptive use should be consistent with local regulations for those participating in clinical studies.
* Women of childbearing potential must

  * Have a negative pregnancy test.
  * Not be breastfeeding during treatment

Exclusion Criteria:

* Have a documented additional validated targetable oncogenic driver mutation or alteration in genes such as epidermal growth factor receptor (EGFR), anaplastic lymphoma kinase (ALK), BRAF (V600E), human epidermal growth factor receptor 2 (HER2), MET (exon 14), ROS1, rearranged during transfection (RET), or neurotrophic tyrosine receptor kinase (NTRK)1/2/3.
* Have had any of the following prior to randomization:

  \-- Prior systemic therapy (chemotherapy, immunotherapy, targeted therapy, or biological therapy) for advanced or metastatic NSCLC.

  \--- 1 cycle of standard-of-care treatment prior to study enrollment will be allowed for cases where immediate treatment is clinically indicated:
* Have known active central nervous system metastases and/or carcinomatous meningitis.

Exclusion Criteria for Participants receiving Pemetrexed and Platinum (Part B and Safety Lead-In Part B)

* Have predominantly squamous cell histology for NSCLC
* Only for participants with mild to moderate renal insufficiency: Unable to avoid aspirin, ibuprofen, or other nonsteroidal anti-inflammatory drugs (NSAIDs) two days before (5 days for long acting NSAIDs), day of, and two days after administration of pemetrexed
* Is unable or unwilling to take folic acid or vitamin B12 supplementation.

Conditions4

Interventions5

Locations89 sites

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