A Phase 1/2, Study Evaluating the Safety, Tolerability, PK, and Efficacy of Sotorasib (AMG 510) in Subjects With Solid Tumors With a Specific KRAS Mutation (CodeBreaK 100)
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ClinicalTrials.gov Identifier: NCT03600883 |
Recruitment Status :
Active, not recruiting
First Posted : July 26, 2018
Last Update Posted : May 22, 2023
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Evaluate the safety and tolerability of sotorasib in adult subjects with KRAS p.G12C mutant advanced solid tumors.
Estimate the maximum tolerated dose (MTD) and/or a recommended phase 2 dose (RP2D) in adult subjects with KRAS p.G12C mutant advanced solid tumors.
Condition or disease | Intervention/treatment | Phase |
---|---|---|
KRAS p.G12C Mutant Advanced Solid Tumors | Drug: sotorasib Drug: Anti PD-1/L1 Drug: Midazolam | Phase 1 Phase 2 |
Expanded Access : An investigational treatment associated with this study is available outside the clinical trial. More info ...
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 713 participants |
Allocation: | Randomized |
Intervention Model: | Sequential Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase 1/2, Open-label Study Evaluating the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Efficacy of Sotorasib (AMG 510) Monotherapy in Subjects With Advanced Solid Tumors With KRAS p.G12C Mutation and Sotorasib (AMG 510) Combination Therapy in Subjects With Advanced NSCLC With KRAS p.G12C Mutation (CodeBreaK 100) |
Actual Study Start Date : | August 27, 2018 |
Estimated Primary Completion Date : | May 9, 2027 |
Estimated Study Completion Date : | May 9, 2027 |

Arm | Intervention/treatment |
---|---|
Experimental: Phase 1 Dose Exploration Part 1 monotherapy
Cohorts with food effect and alternative dosing regimens Enrollment into the dose exploration cohorts may be from any eligible solid tumor type. Dose escalation will begin with 2-4 subjects treated at the lowest planned dose level of 180 mg. If no DLT is observed, dose escalation will continue to the next planned dose cohort |
Drug: sotorasib
Characterize the pharmacokinetics (PK) of sotorasib following administration as an oral Tablet formulation |
Experimental: Phase 1 Dose Expansion Part 2 monotherapy
Upon completing the dose exploration part of the study, dose expansion may proceed with 3 groups consisting of subjects with KRAS p.G12C mutant advanced solid tumors. Dose expansion in these 3 groups may be done concurrently
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Drug: sotorasib
Characterize the pharmacokinetics (PK) of sotorasib following administration as an oral Tablet formulation |
Experimental: Phase 2 monotherapy
Additional subjects will be enrolled in the dose expansion to confirm the recommended phase 2 dose. Enrollment into phase 2 will be opened after confirmation of the recommended phase 2 dose
|
Drug: sotorasib
Characterize the pharmacokinetics (PK) of sotorasib following administration as an oral Tablet formulation |
Experimental: Phase 1 combination arm with sotorasib and anti PD-1/L1
Additional subjects will be enrolled into the combination arm with sotorasib in combination with an anti (PD-1/L1)
|
Drug: sotorasib
Characterize the pharmacokinetics (PK) of sotorasib following administration as an oral Tablet formulation Drug: Anti PD-1/L1 Administered as an intravenous (IV) infusion |
Experimental: Phase 1 monotherapy treatment naive advanced NSCLC
Separate cohort of part 1 dose expansion subjects to evaluate the safety and clinical activity of sotorasib administered orally once daily in subjects with previously untreated advanced non-small cell lung cancer (NSCLC). Drug-drug interaction will be evaluated in 6 of the subjects enrolled in the treatment naive cohort by adding Midazolam alone on Day -1 and in combination with sotorasib on Day 15 of Cycle 1, where each cycle is 21 days.
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Drug: sotorasib
Characterize the pharmacokinetics (PK) of sotorasib following administration as an oral Tablet formulation Drug: Midazolam Administered as an oral hydrochloride (HCI) syrup |
Experimental: Phase 2 monotherapy dose comparison
Subjects with NSCLC will be enrolled in a dose comparison study evaluating safety and efficacy
|
Drug: sotorasib
Characterize the pharmacokinetics (PK) of sotorasib following administration as an oral Tablet formulation |
- Primary: Number of subjects with treatment-emergent adverse events [ Time Frame: 24 Months ]
Treatment-emergent adverse events will be a primary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Phase 2 monotherapy dose comparison
- Primary: Number of subjects with treatment-related adverse events [ Time Frame: 24 Months ]
Treatment-related adverse events will be a primary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Primary: Number of subjects with grade ≥3 treatment-emergent adverse events [ Time Frame: 24 Months ]
Grade ≥3 treatment-emergent adverse events will be a primary outcome measure in the following group:
- Phase 2 monotherapy dose comparison
- Primary: Number of subjects with serious adverse events [ Time Frame: 24 Months ]
Serious adverse events will be a primary outcome measure in the following group:
- Phase 2 monotherapy dose comparison
- Primary: Number of subjects with adverse events of interest [ Time Frame: 24 Months ]
Adverse events of interest will be a primary outcome measure in the following group:
- Phase 2 monotherapy dose comparison
- Primary: Number of subjects with clinically significant changes in vital signs [ Time Frame: Baseline to 24 Months ]
Vital signs will be a primary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Primary: Number of subjects with clinically significant changes in physical examination results [ Time Frame: Baseline to 24 Months ]
Physical examinations will be a primary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Primary: Number of subjects with clinically significant changes on electrocardiograms (ECGs) [ Time Frame: Baseline to 24 Months ]
ECGs will be a primary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Primary: Number of subjects with clinically significant changes in clinical laboratory values [ Time Frame: Baseline to 24 Months ]
Abnormal clinical laboratory values will be a primary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Primary: Number of subjects with dose-limiting toxicities (DLTs) [ Time Frame: 21 Days ]
DLTs will be a primary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Primary: Objective response rate (ORR) as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
ORR will be a primary outcome measure in the following group:
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Phase 2 monotherapy
- Phase 2 monotherapy dose comparison
- Primary: Duration of response (DOR) as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
DOR will be a primary outcome measure in the following group:
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Primary: Disease control as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
Disease control will be a primary outcome measure in the following group:
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Primary: Duration of stable disease (SD) as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
Duration of SD will be a primary outcome measure in the following group:
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Primary: Time to response (TTR) as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
TTR will be a primary outcome measure in the following group:
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Secondary: Plasma concentration (Cmax) of sotorasib [ Time Frame: 15 Weeks ]
Cmax will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Phase 2 monotherapy dose comparison
- Secondary: Plasma concentration (Cmax) of midazolam [ Time Frame: 16 Days ]
Cmax of midazolam will be a secondary outcome measure for the subgroup of subjects who were administered midazolam in the following group:
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Secondary: Time to achieve Cmax (Tmax) of sotorasib [ Time Frame: 15 Weeks ]
Tmax will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Secondary: Area under the plasma concentration-time curve (AUC) of sotorasib [ Time Frame: 15 Weeks ]
AUC will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Phase 2 monotherapy dose comparison
- Secondary: Area under the plasma concentration-time curve (AUC) of midazolam [ Time Frame: 16 Days ]
AUC of midazolam will be a secondary outcome measure for the subgroup of subjects who were administered midazolam in the following group:
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Secondary: Clearance of midazolam from the plasma [ Time Frame: 16 Days ]
Clearance of midazolam from the plasma will be a secondary outcome measure for the subgroup of subjects who were administered midazolam in the following group:
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Secondary: Terminal half-life (t1/2) of midazolam [ Time Frame: 16 Days ]
t1/2 of midazolam will be a secondary outcome measure for the subgroup of subjects who were administered midazolam in the following group:
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Secondary: Objective response rate (ORR) as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
ORR will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Secondary: Duration of response (DOR) as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
DOR will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 2 monotherapy dose comparison
- Secondary: Disease control as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
DOR will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 2 monotherapy dose comparison
- Secondary: Progression-free survival (PFS) as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
PFS will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 2 monotherapy dose comparison
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Secondary: Duration of stable disease (SD) as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
Duration of SD will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Secondary: Depth of response (best percentage change from baseline in lesion sum diameters) as assessed by RECIST 1.1 criteria [ Time Frame: Baseline to 24 Months ]
Depth of response will be a secondary outcome measure for the following group:
- Phase 2 monotherapy dose comparison
- Secondary: Time to response (TTR) as assessed by RECIST 1.1 criteria [ Time Frame: 24 Months ]
DOR will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 2 monotherapy dose comparison
- Secondary: Overall survival (OS) [ Time Frame: 24 Months ]
OS will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Phase 2 monotherapy
- Phase 1 combination arm with sotorasib and anti PD-1/L1
- Phase 2 monotherapy dose comparison
- Phase 1 monotherapy treatment naïve advanced NSCLC
- Secondary: sotorasib exposure and QTc interval relationship [ Time Frame: 24 Months ]
sotorasib exposure and QTc interval relationship will be a secondary outcome measure for the following groups:
- Phase 1 Dose Exploration Part 1 monotherapy
- Phase 1 Dose Expansion Part 2 monotherapy
- Secondary: Progression-free survival (PFS) at 6 months [ Time Frame: 6 Months ]
PFS at 6 months will be a secondary outcome measure for the following group:
- Phase 2 monotherapy
- Secondary: Progression-free survival (PFS) at 12 months [ Time Frame: 12 Months ]
PFS at 12 months will be a secondary outcome measure for the following group:
- Phase 2 monotherapy
- Secondary: Overall survival (OS) at 12 months [ Time Frame: 12 Months ]
OS at 12 months will be a secondary outcome measure for the following group:
- Phase 2 monotherapy
- Secondary: Number of subjects with treatment-emergent adverse events [ Time Frame: 24 Months ]
Treatment-emergent adverse events will be a secondary outcome measure for the following group:
- Phase 2 monotherapy
- Secondary: Number of subjects with grade ≥3 treatment-emergent adverse events [ Time Frame: 24 Months ]
Grade ≥3 treatment-emergent adverse events will be a secondary outcome measure for the following group:
- Phase 2 monotherapy
- Secondary: Impact of treatment on disease-related symptoms and health related quality of life (HRQOL) as assessed by EORTC QLQ-C30 [ Time Frame: 24 Months ]
Impact of treatment on disease-related symptoms and HRQOL will be a secondary outcome measure for the following group:
- Phase 2 monotherapy dose comparison
- Secondary: Impact of treatment on disease-related symptoms and HRQOL as assessed by disease-specific modules Quality-of-Life Questionnaire Lung Cancer Module (QLQ LC13) [ Time Frame: 24 Months ]
Impact of treatment on disease-related symptoms and HRQOL will be a secondary outcome measure for the following group:
- Phase 2 monotherapy dose comparison
- Secondary: Impact of treatment on disease-related symptoms and HRQOL as assessed by non-small cell lung cancer symptom assessment questionnaire (NSCLC SAQ) for NSCLC [ Time Frame: 24 Months ]
Impact of treatment on disease-related symptoms and HRQOL will be a secondary outcome measure for the following group:
- Phase 2 monotherapy dose comparison
- Secondary: Impact of treatment on disease-related symptoms and HRQOL as assessed by Patient Global Impression of Severity (PGIS) [ Time Frame: 24 Months ]
Impact of treatment on disease-related symptoms and HRQOL will be a secondary outcome measure for the following group:
- Phase 2 monotherapy dose comparison
- Secondary: Impact of treatment on disease-related symptoms and HRQOL as assessed by Patient Global Impression of Change (PGIC) in cough, dyspnea and chest pain for NSCLC [ Time Frame: 24 Months ]
Impact of treatment on disease-related symptoms and HRQOL will be a secondary outcome measure for the following group:
- Phase 2 monotherapy dose comparison
- Secondary: Treatment-related symptoms and impact on the subject as assessed by EORTC QLQ-C30 [ Time Frame: 24 Months ]
Treament related symptoms and impact on the subject will be a secondary outcome measure for the following group:
- Phase 2 monotherapy dose comparison
- Secondary: Treatment-related symptoms and impact on the subject as assessed by selected questions from the Patient-reported Outcome of the Common Terminology Criteria for Adverse Events (PRO-CTCAE library) [ Time Frame: 24 Months ]
Treatment-related symptoms and impact on the subject will be a secondary outcome measure for the following group:
- Phase 2 monotherapy dose comparison
- Secondary: Treatment-related symptoms and impact on the subject as assessed by a single item about symptom bother, item GP5 of the Functional Assessment of Cancer Therapy - General (FACT-G) [ Time Frame: 24 Months ]
Treatment-related symptoms and impact on the subject will be a secondary outcome measure for the following group:
- Phase 2 monotherapy dose comparison
- Secondary: Change from baseline in physical function as assessed by EORTC QLQ-C30 [ Time Frame: Baseline to 24 Months ]
Treatment-related symptoms and impact on the subject will be a secondary outcome measure for the following group:
- Phase 2 monotherapy dose comparison

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years to 100 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Men or women greater than or equal to 18 years old.
- Pathologically documented, locally-advanced or metastatic malignancy with, KRAS p.G12C mutation identified through molecular testing.
Exclusion Criteria
- Active brain metastases from non-brain tumors.
- Myocardial infarction within 6 months of study day 1.
- Gastrointestinal (GI) tract disease causing the inability to take oral medication.

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): NCT03600883

Study Director: | MD | Amgen |
Publications:
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Amgen |
ClinicalTrials.gov Identifier: | NCT03600883 |
Other Study ID Numbers: |
20170543 |
First Posted: | July 26, 2018 Key Record Dates |
Last Update Posted: | May 22, 2023 |
Last Verified: | May 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | De-identified individual patient data for variables necessary to address the specific research question in an approved data sharing request |
Supporting Materials: |
Study Protocol Statistical Analysis Plan (SAP) Informed Consent Form (ICF) Clinical Study Report (CSR) |
Time Frame: | Data sharing requests relating to this study will be considered beginning 18 months after the study has ended and either 1) the product and indication have been granted marketing authorization in both the US and Europe or 2) clinical development for the product and/or indication discontinues and the data will not be submitted to regulatory authorities. There is no end date for eligibility to submit a data sharing request for this study. |
Access Criteria: | Qualified researchers may submit a request containing the research objectives, the Amgen product(s) and Amgen study/studies in scope, endpoints/outcomes of interest, statistical analysis plan, data requirements, publication plan, and qualifications of the researcher(s). In general, Amgen does not grant external requests for individual patient data for the purpose of re-evaluating safety and efficacy issues already addressed in the product labelling. Requests are reviewed by a committee of internal advisors. If not approved, a Data Sharing Independent Review Panel will arbitrate and make the final decision. Upon approval, information necessary to address the research question will be provided under the terms of a data sharing agreement. This may include anonymized individual patient data and/or available supporting documents, containing fragments of analysis code where provided in analysis specifications. Further details are available at the URL below. |
URL: | https://www.amgen.com/datasharing |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
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