A Clinical Trial of Calderasib (MK-1084) and Durvalumab in People With Non-Small Cell Lung Cancer (MK-1084-015/KANDLELIT-015)

Inclusion Criteria:

The main inclusion criteria include but are not limited to the following:

* Has a histological or cytological diagnosis of locally advanced, unresected Stage II (node-positive) to III non-small cell lung cancer (NSCLC) with predominantly nonsquamous histology.
* Has completed definitive platinum-based concurrent chemoradiotherapy (CCRT) prior to enrollment, without disease progression.
* Has provided a tumor tissue sample for central laboratory testing of Kirsten rat sarcoma G12C (KRAS G12C) status, programmed cell death ligand 1 (PD-L1) status, and biomarker research.
* Tumor tissue sample has a demonstrated presence of KRAS G12C mutation and an evaluable PD-L1 status result.
* If human immunodeficiency virus (HIV)-infected, has well-controlled HIV on antiretroviral therapy (ART).
* If hepatitis B surface antigen (HBsAg)-positive, has undetectable hepatitis B virus (HBV) viral load and has received HBV antiviral therapy.
* If has a history of hepatitis C virus (HCV) infection, has undetectable HCV viral load.
* Has a body weight ≥35 kg.

Exclusion Criteria:

The main exclusion criteria include but are not limited to the following:

* Has a diagnosis of small cell lung cancer or mixed tumors with small cell elements.
* Has a gastrointestinal disorder affecting absorption or is unable to swallow orally administered medication.
* Has active inflammatory bowel disease requiring immunosuppressive medication or previous clear history of inflammatory bowel disease.
* Has uncontrolled, significant cardiovascular disease or cerebrovascular disease.
* Is HIV-infected with a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease.
* Has received prior treatment (other than definitive CCRT) for NSCLC.
* Has a known additional malignancy that is progressing or has required active treatment within the past 3 years.
* Has an active autoimmune disease that has required systemic treatment in the past 2 years.
* Has a history of, or has current, (noninfectious) pneumonitis/interstitial lung disease that required/requires steroids.
* Has an active infection requiring systemic therapy.
* Has a history of stem cell/solid organ transplant.
* Has not adequately recovered from major surgery or has ongoing surgical complications.