E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
KRAS p.G12C mutant untreated stage IV Non-Small Cell Lung Cancer (NSCLC) |
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E.1.1.1 | Medical condition in easily understood language |
Non-small cell lung cancer |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10029522 |
E.1.2 | Term | Non-small cell lung cancer stage IV |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
- To evaluate the tumor objective response rate (ORR) assessed by Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 criteria in subjects who receive sotorasib at either 960 mg daily (QD) or 240 mg QD whose tumors are programmed death ligand 1 (PD L1) Tumor Proportion Score (TPS) < 1% and/or harbor a serine/threonine kinase 11 (STK11) co mutation, in a subgroup of subjects with PD L1 < 1% and in a subgroup of subjects with STK11 co mutation. |
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E.2.2 | Secondary objectives of the trial |
- To evaluate other measures of efficacy. - To evaluate the safety and tolerability of sotorasib. - Characterize the pharmacokinetics (PK) of sotorasib following administration as an oral tablet formulation |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Untreated stage IV (per AJCC v8) NSCLC. • Subjects who received adjuvant or neoadjuvant therapy are eligible if the adjuvant/neoadjuvant therapy was completed greater than 12 months prior to the development of metastatic disease. 2. Pathologically documented, metastatic NSCLC with KRAS p.G12C mutation identified through molecular testing. KRAS p.G12C mutation must be performed in a Clinical Laboratory Improvement Amendments (CLIA) certified laboratory or equivalent. 3. Subject has provided informed consent prior to initiation of any study specific activities/procedures. 4. Age ? 18 years. 5. PD-L1 TPS score < 1% as determined by pharm Dx DAKO 22C3 or Ventana SP263 IHC. If subjects do not have PD-L1 TPS score < 1%, STK11 loss of function mutation as determined by NGS must be present. Subjects with PD-L1 TPS score < 1% may also have presence of STK11 mutation. 6. Subjects must be willing to provide archived tumor tissue samples (formalin-fixed paraffin-embedded [FFPE] sample collected within 5 years) or willing to undergo pretreatment tumor biopsy. 7. Subjects must be willing at enrollment to undergo tumor biopsy at disease progression on trial, if feasible. 8. Measurable disease per RECIST 1.1 criteria. Lesions previously radiated are not considered measurable unless they have progressed after radiation. 9. Eastern Cooperative Oncology Group (ECOG) Performance Status of ? 1. 10. Life expectancy of > 3 months, in the opinion of the investigator. 11. Ability to take oral medications and willing to record daily adherence to investigational product. 12. Adequate hematological laboratory assessments, defined as the following within 10 days prior to start of study therapy. • Absolute neutrophil count (ANC) ? 1500 cells/µL • Hemoglobin ? 9.0 g/dL • Platelet count ? 75 000/µL 13. Adequate renal laboratory assessments, defined as the following: • Estimated glomerular filtration rate based on Modification of Diet in Renal Disease (MDRD) calculation ? 30 mL/min/1.73 m2 • Estimated glomerular filtration rate = creatinine assay x serum creatinine-1.154 x age-0.203 x sex (0.742 if female) x race (1.210 if black) 14. Adequate hepatic laboratory assessments, as follows: • Aspartate aminotransferase (AST) ? 2.5 x upper limit of normal (ULN) • Alanine aminotransferase (ALT) ? 2.5 x ULN • Total bilirubin (TBL) ? 1.5 x ULN for subjects with documented Gilbert’s syndrome or < 3.0 x ULN for subjects for whom the indirect bilirubin level suggests an extrahepatic source of elevation 15. Adequate coagulation laboratory assessments, as follows: • Prothrombin time (PT) or partial thromboplastin time (PTT) < 1.5 x ULN, OR • International normalized ratio (INR) < 1.5 x ULN or within target range if on prophylactic anticoagulation therapy 16. QTc equal or less than 470 msec in females or equal or less than 450 msec in males |
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E.4 | Principal exclusion criteria |
1. Mixed small-cell lung cancer and NSCLC histology. 2. Subject has received prior treatment for metastatic NSCLC. 3. History or presence of malignancy unless treated with curative intent and no evidence of disease ? 3 years. [Please refer to the protocol for further detail on the exceptions to this criteria] 4. Spinal cord compression, untreated or active brain metastases and/or carcinomatous meningitis. Subjects who have had brain metastases resected or have received whole brain radiation therapy ending at least 4 weeks prior to study day 1 are eligible if they meet all of the following criteria. Subjects with untreated brain metastases must also meet these criteria. [please refer to the protocol for further detail of the criteria] 5. Myocardial infarction within 6 months of study day 1, symptomatic congestive heart failure, unstable angina, or cardiac arrythmia requiring medication. 6. Gastrointestinal (GI) tract disease causing the inability to take oral medication, malabsorption syndrome, requirement for intravenous (IV) alimentation, uncontrolled inflammatory GI disease. 7. Evidence of hepatitis infection 8. Uncontrolled pleural effusion, pericardial effusion, or ascites requiring recurrent drainage procedures at a frequency greater than monthly. 9. Known positive test for human immunodeficiency virus (HIV). 10. Has a history of (non-infectious) pneumonitis that required steroids or has current pneumonitis. 11. Active infection within 2 weeks of study day 1 requiring therapeutic oral or IV antibiotics. 12. Major surgery within 28 days of study day 1. 13. Unresolved toxicities from prior anti-tumor therapy. 14. Anti-tumor therapy (chemotherapy, antibody therapy, molecular targeted therapy, or investigational agent) within 12 months. 15. Therapeutic or palliative radiation therapy within 2 weeks of study day 1. Subjects must have recovered from all radiotherapy related toxicity to grade 1 or better. 16. Received radiation therapy to the lung that is > 30 Gy within 6 months of first dose of trial treatment. 17. Previous treatment with a covalent KRAS p.G12C inhibitor. 18. Use of known cytochrome P450 (CYP) 3A4 sensitive substrates or P-gp substrates, with a narrow therapeutic window, within 14 days or 5 half-lives of the drug or its major active metabolite, whichever is longer. 19. Use of strong inducers of CYP3A4 (including herbal supplements such as St. John's wort) within 14 days or 5 half-lives, whichever is longer. 20. Use of proton-pump inhibitors (PPIs) or histamine 2 (H2) receptor antagonists (H2RA) within 14 days or 5 half-lives of the drug or its major active metabolite, whichever is longer. 21. Currently receiving treatment in another investigational device or drug study. Other investigational procedures while participating in this study are excluded. 22. Female subjects of childbearing potential unwilling to use protocol specified method of contraception during treatment and for an additional 7 days after the last dose of sotorasib 23. Female subjects who are breastfeeding or who plan to breastfeed while on study through 7 days after the last dose of sotorasib. 24. Female subjects planning to become pregnant while on study through 7 days after the last dose of sotorasib. 25. Female subjects of childbearing potential with a positive pregnancy test assessed at Screening or day 1 by a highly sensitive urine or serum pregnancy test. 26. Male subjects with a female partner of childbearing potential who are unwilling to practice sexual abstinence (refrain from heterosexual intercourse) or use contraception during treatment and for an additional 7 days after the last dose of sotorasib. 27. Male subjects with a pregnant partner who are unwilling to practice abstinence or use a condom during treatment and for an additional 7 days after the last dose of sotorasib. 28. Male subjects unwilling to abstain from donating sperm during treatment and for an additional 7 days after the last dose of sotorasib. 29. Subject has known sensitivity to any of the products or components to be administered during dosing. 30. Subject likely to not be available to complete all protocol-required study visits or procedures, and/or to comply with all required study procedures. 31. Subject unable to receive both iodinated contrast for computed tomography (CT) scans and gadolinium contrast for MRI scans. 32. History or evidence of any other clinically significant disorder, condition or disease that, in the opinion of the investigator or Amgen physician, if consulted, would pose a risk to subject safety or interfere with the study evaluation, procedures or completion.
For additional details please refer to the study protocol. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Objective response (OR) (OR = complete response [CR] + partial response [PR]), measured by computed tomography (CT) or magnetic resonance imaging (MRI) and assessed per RECIST v1.1 per Blinded Independent Central Review (BICR) |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
- Safety data will be reviewed on an ongoing basis by Amgen. - The primary analysis is planned approximately 6 months after all subjects are enrolled and have had the opportunity to complete at least 1 post-baseline tumor assessment. - The futility analysis will occur after approximately 60 subjects across 2 treatment dose arms become response evaluable, defined as received at least 1 dose of sotorasib and had been enrolled for at least 7 weeks. - The final analysis will occur when the end of study. |
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E.5.2 | Secondary end point(s) |
• Disease control (CR +PR + stable disease [SD]) • Duration of response (DOR) • Time to response (TTR) • Progression-free survival (PFS) • Overall survival (OS) • Treatment emergent adverse events, treatment-related adverse events, and changes in vital signs, electrocardiogram [ECGs], and clinical laboratory tests. • PK parameters of sotorasib including, but not limited to, maximum plasma concentration (Cmax), time to achieve Cmax (tmax), and area under the plasma concentration-time curve (AUC). |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
- Safety data will be reviewed on an ongoing basis by Amgen. - The primary analysis is planned approximately 6 months after all subjects are enrolled and have had the opportunity to complete at least 1 post-baseline tumor assessment. - The futility analysis will occur after approximately 60 subjects across 2 treatment dose arms become response evaluable, defined as received at least 1 dose of sotorasib and had been enrolled for at least 7 weeks. - The final analysis will occur when the end of study. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 31 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Turkey |
United States |
Switzerland |
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E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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The end of study date is defined as the date when the last subject across all sites is assessed or receives an intervention for evaluation in the study (ie, last subject last visit), including any additional parts in the study (eg, LTFU, additional antibody testing), as applicable. |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 6 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 6 |