Adagrasib in Combination With BI 1701963 in Patients With Cancer (KRYSTAL 14)
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ClinicalTrials.gov Identifier: NCT04975256 |
Recruitment Status :
Active, not recruiting
First Posted : July 23, 2021
Last Update Posted : April 6, 2022
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Condition or disease | Intervention/treatment | Phase |
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Advanced Cancer Metastatic Cancer Malignant Neoplasm of Colon Malignant Neoplasm of Lung Malignant Neoplastic Disease | Drug: MRTX849 Drug: BI 1701963 | Phase 1 |
Expanded Access : An investigational treatment associated with this study is available outside the clinical trial. More info ...
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 100 participants |
Allocation: | Non-Randomized |
Intervention Model: | Sequential Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase 1/1b Trial of MRTX849 in Combination With BI 1701963 in Patients With Advanced Solid Tumors With KRAS G12C Mutation |
Actual Study Start Date : | August 12, 2021 |
Estimated Primary Completion Date : | November 30, 2023 |
Estimated Study Completion Date : | February 28, 2024 |

Arm | Intervention/treatment |
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Experimental: Dose escalation
Dose escalation of MRTX849 and BI 1701963 to determine maximum tolerated dose in combination
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Drug: MRTX849
KRAS G12C inhibitor
Other Names:
Drug: BI 1701963 SOS1 Inhibitor
Other Name: SOS1 Inhibitor |
Experimental: Dose expansion
Expansion cohorts in NSCLC and CRC patients to ensure sufficient safety experience, pharmacokinetic information, and early evidence of clinical activity of MRTX849 in combination with BI 1701963
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Drug: MRTX849
KRAS G12C inhibitor
Other Names:
Drug: BI 1701963 SOS1 Inhibitor
Other Name: SOS1 Inhibitor |
- 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 [ Time Frame: 20 months ]Number of participants with treatment related adverse events
- Evaluate Pharmacokinetics of the combination regimen [ Time Frame: 20 months ]Blood plasma concentration
- Establish Maximum Tolerated Dose [ Time Frame: 12 months ]Number of patients with dose limiting toxicity
- Evaluate preliminary clinical activity of the combination regimen [ Time Frame: 20 months ]Objective response rate in accordance with Response Evaluation Criteria in Solid Tumors (RECIST)

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Histologically confirmed diagnosis of a solid tumor malignancy with KRAS G12C mutation (phase 1b must be either Non-Small Cell Lung Cancer or Colorectal Cancer)
- Unresectable or metastatic disease
- No available treatment with curative intent
- Adequate organ function
Exclusion Criteria:
- History of intestinal disease, inflammatory bowel disease, major gastric surgery, or other gastrointestinal conditions likely to alter absorption of study treatment or result in inability to swallow
- Other active cancer
- Cardiac abnormalities

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04975256
United States, Missouri | |
Washington University School of Medicine | |
Saint Louis, Missouri, United States, 63110 | |
United States, Ohio | |
The Cleveland Clinic Foundation | |
Cleveland, Ohio, United States, 44195 | |
United States, Texas | |
MD Anderson Cancer Center | |
Houston, Texas, United States, 77030 | |
Next Oncology | |
San Antonio, Texas, United States, 78229 |
Responsible Party: | Mirati Therapeutics Inc. |
ClinicalTrials.gov Identifier: | NCT04975256 |
Other Study ID Numbers: |
849-014 |
First Posted: | July 23, 2021 Key Record Dates |
Last Update Posted: | April 6, 2022 |
Last Verified: | April 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
KRAS G12C SOS1 Inhibitor NSCLC CRC Non Small Cell Lung Cancer |
Colon Cancer Advanced Solid Tumor Metastatic Cancer Pancreatic Cancer adagrasib |
Neoplasms Neoplasm Metastasis Lung Neoplasms Colonic Neoplasms Neoplastic Processes Pathologic Processes Respiratory Tract Neoplasms Thoracic Neoplasms Neoplasms by Site Lung Diseases Respiratory Tract Diseases |
Colorectal Neoplasms Intestinal Neoplasms Gastrointestinal Neoplasms Digestive System Neoplasms Digestive System Diseases Gastrointestinal Diseases Colonic Diseases Intestinal Diseases Adagrasib Antineoplastic Agents |