A Study of Repotrectinib (TPX-0005) in Patients With Advanced Solid Tumors Harboring ALK, ROS1, or NTRK1-3 Rearrangements
Sponsored by Turning Point Therapeutics, Inc.
About this study
Phase 1 dose escalation will determine the first cycle dose-limiting toxicities (DLTs), the maximum tolerated dose (MTD), the biologically effective dose and recommended Phase 2 dose (RP2D) of repotrectinib given to adult subjects with advanced solid malignancies harboring an ALK, ROS1, NTRK1, NTRK2, or NTRK3 gene rearrangement. Midazolam DDI substudy will examine effect of of repotrectinib on CYP3A induction. Phase 2 will determine the confirmed Overall Response Rate (ORR) as assessed by Blinded Independent Central Review (BICR) of repotrectinib in each subject population expansion cohort of advanced solid tumors that harbor a ROS1, NTRK1, NTRK2, or NTRK3 gene rearrangement. The secondary objective will include the duration of response (DOR), time to response (TTR), progression-free survival (PFS), overall survival (OS) and clinical benefit rate (CBR) of repotrectinib in each expansion cohort of advanced solid tumors that harbor a ROS1, NTRK1, NTRK2, or NTRK3 gene rearrangement.
In Phase 2, study subjects will be enrolled into 6 distinct expansion (EXP) cohorts: * EXP-1: ROS1 TKI-naïve ROS1+ NSCLC. Up to one prior line of chemotherapy OR immunotherapy is allowed * EXP-2: 1 Prior ROS1 TKI AND 1 Platinum-based Chemotherapy ROS1+ NSCLC. Disease progression, or intolerant to one prior line of a ROS1 TKI. Must have received one prior line of platinum based chemotherapy OR one prior line of platinum based chemotherapy in combination with immunotherapy before or after a ROS1 TKI * EXP-3: 2 Prior ROS1 TKIs AND NO Chemotherapy ROS1+ NSCLC. Disease progression, or intolerant to 2 prior lines of a ROS1 TKI treatment. No prior lines of chemotherapy or immunotherapy are allowed. * EXP-4: 1 Prior ROS1 TKI and NO Chemotherapy or Immunotherapy. Disease progression or intolerant …
Where this study is enrolling (8)
- Call 954-265-4325
Memorial Healthcare System
Hollywood, Florida
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- Call 706-353-2990
University Cancer and Blood Center
Athens, Georgia
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University of Chicago
Chicago, Illinois
- Call 617-724-4000
Massachusetts General Hospital,
Boston, Massachusetts
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- Call 314-747-3096
Washington University Infusion Center Pharmacy
St Louis, Missouri
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Show all 8 locations
- Call 614-293-6401
The Ohio State University Wexner Medical Center
Columbus, Ohio
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- Call 877-632-6789
MD Anderson Cancer Center
Houston, Texas
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- Call 214-648-5368
UT Southwestern Medical Center
Dallas, Texas
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Who can participate
Inclusion criteria
- ✓1. Histologically or cytologically confirmed diagnosis of locally advanced, or metastatic solid tumor (including primary CNS tumors) (Stage IV, American Joint Committee on Cancer v.7) that harbors an ALK, ROS1, NTRK1, NTRK2, or NTRK3 gene rearrangement by protocol specified tests.
- ✓2. ECOG PS 0-1.
- ✓3. Age ≥18 (or age ≥ 20 of age as required by local regulation).
- ✓4. Capability to swallow capsules intact (without chewing, crushing, or opening).
- ✓5. At least 1 measurable target lesion according to RECIST version 1.1. CNS-only measurable disease as defined by RECIST version 1.1 is allowed.
- ✓6. Prior cytotoxic chemotherapy is allowed.
- ✓7. Prior immunotherapy is allowed.
- ✓8. Resolution of all acute toxic effects (excluding alopecia) of any prior anti-cancer therapy to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) Version 4.03 Grade less than or equal to 1.
- ✓9. Patients with asymptomatic CNS metastases (treated or untreated) and/or asymptomatic leptomeningeal carcinomatosis are eligible to enroll if they satisfy the protocol specified criteria.
- ✓10. Baseline laboratory values fulfilling the following requirements:Absolute neutrophils count (ANC) ≥1500/mm3 (1.5 × 109/L); Platelets (PLTs) ≥100,000/mm3 (100 × 109/L); Hemoglobin ≥ 9.0 g/dL transfusions are allowed; Serum creatinine or creatinine clearance Within normal limits or \> 40 mL/min; Total serum bilirubin \< 1.5 × ULN; Liver transaminases (ASTs/ALTs) \< 2.5 × ULN; \< 5 × ULN if liver metastases are present Alkaline phosphatase (ALP); \< 2.5 × ULN; \< 5 × ULN if liver and/or bone metastasis are present; Serum calcium, magnesium, and potassium Normal or CTCAE grade ≤ 1 with or without supplementation
- ✓11. Life expectancy ≥ 3 months.
- ✓PHASE 2 Key Inclusion Criteria
- ✓1. Histologically or cytologically confirmed diagnosis of locally advanced, or metastatic solid tumor (including primary CNS tumors) that harbors a ROS1, or NTRK1-3 gene fusion.
- ✓2. Subject must have a documented ROS1 or NTRK1-3 gene fusion determined by tissue-based local testing using either:
- ✓1. a next-generation sequencing (NGS) or quantitative polymerase chain reaction (qPCR) test will be accepted to determine molecular eligibility.
- ✓Adequate tumor tissue needs to be sent to the Sponsor designated central diagnostic laboratory for retrospective confirmation by a central diagnostic laboratory test selected by the Sponsor.
- ✓2. a fluorescence in situ hybridization (FISH) test AND prospective confirmation of fusion status by a central diagnostic laboratory test selected by the Sponsor PRIOR to enrollment will be accepted to determine molecular eligibility.
- ✓Adequate tumor tissue must be sent to the Sponsor designated central diagnostic laboratory for prospective confirmation by a central diagnostic laboratory test selected by the Sponsor PRIOR to enrollment.
- ✓3. Eastern Cooperative Oncology Group (ECOG) Performance Status 0-1.
- ✓4. Age ≥12 (or age ≥ 20 as required by local regulation).
- ✓5. Willing and able to provide written institutional review board (IRB)/institutional ethics committee-approved Informed Consent or an Assent signed by a parent or legal guardian for subjects age 12 to 17.
- ✓6. At least 1 measurable target lesion according to RECIST (v1.1) prospectively confirmed by Blinded Independent Central Radiology Review (BICR), selected by Sponsor, PRIOR to enrollment. Subjects with CNS-only measurable disease ≥10 mm as defined by RECIST (v1.1) are eligible.
- ✓7. Subjects with advanced solid tumors harboring ROS1, NTRK1, NTRK2, or NTRK3 rearrangement will be assigned into 6 distinct expansion (EXP) cohorts provided all inclusion and
Exclusion criteria
- ✕are met.
- ✕i. EXP-1: ROS1 TKI-naïve ROS1+ NSCLC ii. EXP-2: 1 Prior ROS1 TKI and 1 Platinum based chemo ROS1+ NSCLC iii. EXP-3: 2 Prior ROS1 TKIs ROS1+ NSCLC (No Chemo or IO) iv. EXP-4: 1 Prior ROS1 TKI ROS1+ NSCLC (No Chemo or IO) v. EXP-5: TRK TKI-naïve NTRK+ solid tumors vi. EXP-6: TRK TKI-pretreated NTRK+ solid tumors
- ✕8. Subjects with asymptomatic CNS metastases (treated or untreated) and/or asymptomatic leptomeningeal carcinomatosis are eligible to enroll if they satisfy the protocol specified criteria.
- ✕9. Baseline laboratory values fulfilling the following requirements:Absolute neutrophils count (ANC) ≥1500/mm3 (1.5 × 109/L); Platelets (PLTs) ≥100,000/mm3 (100 × 109/L); Hemoglobin ≥ 9.0 g/dL transfusions are allowed; Serum creatinine or creatinine clearance \> 40 mL/min; Total serum bilirubin \< 1.5 × ULN; Liver transaminases (ASTs/ALTs) \< 2.5 × ULN; \< 5 × ULN if liver metastases are present Alkaline phosphatase (ALP); \< 2.5 × ULN; \< 5 × ULN if liver and/or bone metastasis are present; Serum calcium, magnesium, and potassium Normal or CTCAE grade ≤ 1 with or without supplementation
- ✕10. Life expectancy ≥ 3 months.
- ✕Key Exclusion Criteria PHASE 1 and PHASE 2
- ✕1. Concurrent participation in another therapeutic clinical trial.
- ✕2. Symptomatic brain metastases or leptomeningeal involvement.
- ✕3. History of previous cancer, except for squamous cell or basal-cell carcinoma of the skin, or any in situ carcinoma that has been completely resected, requiring therapy within the previous 2 years.
- ✕4. Major surgery within 4 weeks of start of repotrectinib treatment. Radiation therapy (except palliative to relieve bone pain) within 2 weeks of study entry. Palliative radiation (≤10 fractions) must have been completed at least 48 hours prior to study entry
- ✕5. Clinically significant cardiovascular disease (either active or within 6 months prior to enrollment): myocardial infarction, unstable angina, coronary/peripheral artery bypass graft, symptomatic congestive heart failure (New York Heart Association Classification Class ≥ II), cerebrovascular accident or transient ischemic attack, symptomatic bradycardia, requirement for anti-arrhythmic medication. Ongoing cardiac dysrhythmias of NCI CTCAE grade ≥2
- ✕6. Any of the following cardiac criteria:
- ✕Mean resting corrected QT interval (ECG interval measured from the onset of the QRS complex to the end of the T wave) for heart rate (QTcF) \> 470 msec obtained from 3 ECGs, using the screening clinic ECG machine-derived QTc value Any clinically important abnormalities in rhythm, conduction or morphology of resting ECG (e.g., complete left bundle branch block, third degree heart block, second degree heart block, PR interval \> 250 msec) Any factors that increase the risk of QTc prolongation or risk of arrhythmic events such as heart failure, hypokalemia, congenital long QT syndrome, family history of long QT syndrome, or any concomitant medication known to prolong the QT interval.
- ✕7. Known active infections (bacterial, fungal, viral including HIV positivity).
- ✕8. Gastrointestinal disease (e.g., Crohn's disease, ulcerative colitis, or short gut syndrome) or other malabsorption syndromes that would impact drug absorption.
- ✕9. Peripheral neuropathy of CTCAE ≥grade 2.
- ✕10. History of extensive, disseminated, bilateral, or presence of CTCAE grade 3 or 4 interstitial fibrosis or interstitial lung disease including a history of pneumonitis, hypersensitivity pneumonitis, interstitial pneumonia, interstitial lung disease, obliterative bronchiolitis, and pulmonary fibrosis. Subjects with history of prior radiation pneumonitis are not excluded.
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Trial data sourced from ClinicalTrials.gov.