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NCT Number: NCT07554339

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

Researchers are looking for new ways to treat locally advanced non-small cell lung cancer (NSCLC) that is unresected and has a gene mutation called KRAS G12C. Researchers want to learn if calderasib (MK-1084) can be given with durvalumab, an immunotherapy, to treat NSCLC after chemotherapy and radiation therapy.

The goal of this trial is to learn if participants who receive calderasib and durvalumab live longer without the cancer growing or spreading compared to participants who receive placebo and durvalumab.

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Key information

Conditions

Non-small Cell Lung Cancer Bronchial Neoplasms Carcinoma, Bronchogenic Carcinoma, Non-Small-Cell Lung Lung Diseases Lung Neoplasms Neoplasms Neoplasms by Site Respiratory Tract Diseases Respiratory Tract Neoplasms Thoracic Neoplasms

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Clinica Adventista Belgrano ( Site 0304), Ciudad Autonoma de Buenos Aires, Buenos Aires, Argentina

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

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.

Treatment and study plan

Calderasib

Drug

Tablet for oral administration.

Other names: MK-1084

Durvalumab

Biological

Solution for intravenous (IV) infusion.

Other names: IMFINZI®

Placebo to MK-1084

Other

Placebo to MK-1084.

Primary outcomes

  1. Progression-Free Survival (PFS)

    Time frame: Up to approximately 6 years

    PFS is defined as the time from randomization to the first documented disease progression or death due to any cause, whichever occurs first.

Secondary outcomes

  1. Overall Survival (OS)

    Time frame: Up to approximately 9 years

    OS is defined as the time from randomization to death due to any cause.

  2. Number of Participants Who Experience an Adverse Events (AEs)

    Time frame: Up to approximately 9 years

    An AE is any unfavorable and unintended sign, symptom, or disease temporally associated with the use of a medicinal product or protocol-specified procedure, whether or not considered related to the medicinal product or protocol-specified procedure. Any worsening of a preexisting condition that is temporally associated with the use of the Sponsor's product, is also an AE. The number of participants who experience an AE will be presented.

  3. Number of Participants Who Discontinue Study Treatment Due to an AE

    Time frame: Up to approximately 9 years

    An AE is any unfavorable and unintended sign, symptom, or disease temporally associated with the use of a medicinal product or protocol-specified procedure, whether or not considered related to the medicinal product or protocol-specified procedure. Any worsening of a preexisting condition that is temporally associated with the use of the Sponsor's product, is also an AE. The number of participants who discontinue study treatment due to an AE will be presented.

  4. Objective Response Rate (ORR)

    Time frame: Up to approximately 9 years

    ORR is defined as the percentage of participants with Complete Response (CR) or Partial Response (PR) per RECIST 1.1. The percentage of participants who experience CR or PR as assessed by BICR will be presented.

  5. Duration of Response (DOR)

    Time frame: Up to approximately 9 years

    For participants who demonstrate confirmed CR or PR per RECIST 1.1 as assessed by BICR, duration of response is defined as the time from the first documented evidence of CR or PR until disease progression or death due to any cause, whichever occurs first.

  6. Distant Metastasis-Free Survival (DMFS)

    Time frame: Up to approximately 9 years

    DMFS is defined as the time from randomization to the first diagnosis of a distant metastasis as assessed by investigator, or death due to any cause, whichever occurs first. Distant metastasis refers to cancer that has spread beyond the original (primary) tumor/regional metastases to distant organs or distant lymph nodes.

  7. Change From Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30) Global Health Status (GHS)/Quality of Life (QoL) (Items 29 & 30) Combined Score

    Time frame: Baseline and up to approximately 9 years

    EORTC QLQ-C30 is a questionnaire to assess the overall quality of life (QoL) of cancer patients. Participant responses to questions regarding Global Health Status (GHS; "How would you rate your overall health during the past week?") and QoL ("How would you rate your overall quality of life during the past week?") are scored on a 7-point scale (1= Very poor to 7=Excellent). The combined score of GHS (Item 29) and QoL (Item 30) is computed by averaging the raw scores of the 2 items and then applying a linear transformation to standardize the average score, so that the combined scores range from 0-100. A higher score indicates a better outcome. The change from baseline in GHS and QoL combined score will be presented.

  8. Change From Baseline in Physical Functioning (EORTC QLQ-C30 Items 1-5) Combined Score

    Time frame: Baseline and up to approximately 9 years

    EORTC QLQ-C30 is a questionnaire to assess the overall QoL of cancer patients. Participant responses to 5 questions about their physical functioning (Items 1 to 5) are scored on a 4-point scale (1=Not at All to 4=Very Much). The combined score of items 1 to 5 was computed by averaging the raw scores of the 5 items and then applying a linear transformation to standardize the average score, so that the combined scores range from 0-100. A higher score indicates a better outcome. The change from baseline in EORTC QLQ-C30 physical functioning (Items 1-5) combined score will be presented.

  9. Change from Baseline in Role Functioning (EORTC QLQ-C30 Items 6 & 7) Combined Score

    Time frame: Baseline and up to approximately 9 years

    The EORTC QLQ-C30 is a cancer specific health-related quality of life questionnaire. The role functioning score is based on participant responses to questions scored on a 4-point scale (1=Not at All to 4=Very Much). The combined score was computed by averaging the raw scores of Items 6 and 7 and then applying a linear transformation to standardize the average score, so that the combined scores range from 0-100. Higher scores indicate better role functioning. The change from baseline in EORTC QLQ-C30 Role Functioning (Items 6 and 7) combined score will be reported.

Study contacts

Contact information is provided by the study sponsor or research team.

Toll Free Number

CONTACT

[email protected]

1-888-577-8839

Sponsors and collaborators

Lead sponsor

Merck Sharp & Dohme LLC

Industry

Registry information

Official study title

A Phase 3, Randomized, Double-blind, Placebo- and Active-Comparator-Controlled Study of MK-1084 Plus Durvalumab Versus Placebo Plus Durvalumab in Participants With Locally Advanced, Unresected KRAS G12C-Mutant Non-Small Cell Lung Cancer Without Disease Progression Following Definitive Platinum-Based Chemoradiotherapy (KANDLELIT-015)

Important dates

Study start
2026
Primary completion
2032
Study completion
2037
First posted
Apr 28, 2026
Registry last updated
Jul 28, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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