REPotrectinib in ROS1-positive Non-small Cell Lung Cancer Patients With Active Brain mEtastasis

Recruiting now · Phase 2

Conditions studied: NSCLC, Brain Metastases, ROS1 Gene Rearrangement

In brief

REPOSE is a phase II clinical trial exploring the safety and efficacy of repotrectinib in patients with non-small cell lung cancer (NSCLC) characterized by the presence of brain metastasis (BM) and whose tumors have mutated ROS proto-oncogene 1, receptor tyrosine kinase (ROS1) gene.

Key facts

Study ID

NCT06315010

Run by

MedSIR

People needed

20

Starts

2025-06-27

Expected to finish

2028-04-01

Last updated by the study team

2026-02-25

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patients will be included in the study only if they meet all the following criteria:
• Patient must be capable to understand the purpose of the study and have signed written informed consent form (ICF) prior to beginning specific protocol procedures.
• Female or male patients ≥ 18 years of age at the time of signing ICF.
• Patients must be capable to swallow capsules intact (without chewing, crushing, or opening).
• Histologically documented NSCLC.
• Patients may have active brain metastases with or without related symptoms.
• No indication for immediate local therapy (neurosurgery, brain radiotherapy) of brain metastases per local investigator.
• Note: in case of immediate local therapy is needed, the study's medical monitor should be consulted.
• Type II leptomeningeal disease per European Association of Neuro-Oncology (EANO) - European Society for Medical Oncology (ESMO) Clinical Practice Guidelines are allowed.
• Patients with confirmed ROS1 rearrangement. Prior to study enrollment, patients must have had confirmation of ROS1 rearrangement, which should have been determined locally by a certified laboratory using methods such as fluorescent in situ hybridization (FISH), next generation sequencing (NGS), quantitative PCR (qPCR), or immunohistochemistry (IHC).
• Measurable disease according to RANO-BM criteria, with at least one measurable brain lesion of ≥10 mm on T1-weighted, gadolinium-enhanced magnetic resonance imaging (MRI).
• Eastern Cooperative Oncology Group (ECOG) performance status of ≤ 2.
• Minimum life expectancy of ≥ 6 weeks at screening.
• No limit in number of prior chemotherapies, immunotherapy or other non-ROS1 TKI regimens. De novo patients can also be included.
• Patients must not have previously received any ROS1 TKI-based treatment.
• Left ventricular ejection fraction (LVEF) ≥ 50% by echocardiogram (ECHO) or multigated acquisition (MUGA) scan.
• If feasible, archival tumor biopsy sample at baseline (from primary tissue or any metastatic site) should be provided.
• Patient has adequate bone marrow, liver, and renal function:
• I. Hematological (without platelet, red blood cell transfusion, and/or granulocyte colony-stimulating factor support within 28 days before first study treatment dose): White blood cell (WBC) count > 3.0 x 109/L, absolute neutrophil count (ANC) ≥ 1.5 x 109/L, platelet count ≥ 100.0 x109/L, and hemoglobin ≥ 8.0 g/dL (≥ 4.96 mmol/L).
• II. Hepatic: Total bilirubin ≤ 1.5 times upper limit of normal (ULN) (≤ 3 in patients with liver metastases or know history of Gilbert's disease); alkaline phosphatase (ALP) ≤ 2.5 times ULN; aspartate transaminase (AST) and alanine transaminase (ALT) ≤ 3 times ULN (≤ 5 in patients with liver metastases); international normalized ratio (INR) < 1.5.
• III. Renal: serum creatinine ≤ 1.5 x ULN or creatinine clearance ≥ 40 mL/min/1.73 m2 based on Cockcroft-Gault glomerular filtration rate estimation for patients with creatinine levels above institutional normal.
• Resolution of all acute toxic effects of prior anti-cancer therapy to grade ≤ 1 as determined by the US National Cancer Institute (NCI)-Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 (v.5.0) (except for alopecia or other toxicities not considered a safety risk for the patient at investigator's discretion).
• Women of childbearing potential (WOCBP) who are sexually active with a non-sterilized male partner must have a negative serum pregnancy test within 14 days before study treatment initiation. In addition, they must agree to use one highly effective method of birth control from the time of screening until 2 months after the last dose of study treatments. Female patients must refrain from egg cell donation and breastfeeding during this same period.
• Note: Due to a potential loss of effectiveness of hormonal contraceptives caused by interaction with study intervention, if WOCBP use hormonal contraceptives (including oral hormonal contraceptives), they must use either another form of non-hormonal highly effective contraception or a reliable barrier method.
• Male participants who are sexually active with a WOCBP partner must be surgically sterile or using an acceptable method of contraception from the time of screening until 4 months after the last administration of the study drug. Male participants must not donate or bank sperm during this same period.

You may not qualify if…

• Any patient meeting ANY of the following criteria will be excluded from the study:
• Major surgery within four weeks of the start of treatment.
• Type I leptomeningeal disease per ESMO-EANO guidelines.
• Have received prior radiotherapy within two weeks before the first dose of Study treatment (four weeks in case of radiation therapy of the central nervous system). Participants must have recovered from all radiation-related toxicities, not require steroids, and not have had radiation pneumonitis.
• Treatment with approved or investigational cancer therapy within14 days prior to initiation of Study treatment.
• Any of the following cardiac criteria:
• I. 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 (QTc) > 470 msec obtained from 3 ECGs, using the screening clinic ECG machine-derived QTc value.
• II. 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).
• III. 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.
• 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.
• Known clinically significant active infections not controlled with systemic treatment (bacterial, fungal, viral including HIV positivity).
• Gastrointestinal disease (e.g., Crohn's disease, ulcerative colitis, or short gut syndrome) or other malabsorption syndromes that would impact on drug absorption.
• Peripheral neuropathy grade ≥ 2.
• History of extensive, disseminated, bilateral, or presence of NCI CTCAE grade 3 or 4 interstitial fibrosis or interstitial lung disease (ILD) including a history of pneumonitis, hypersensitivity pneumonitis, interstitial pneumonia, ILD, obliterative bronchiolitis, and pulmonary fibrosis. Patients with a history of prior radiation pneumonitis are not excluded.
• Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or study drug administration, or that may interfere with the interpretation of study results and, in the judgment of the Investigator, would make the patient inappropriate for entry into this study or could compromise the protocol objectives in the opinion of the Investigator.
• Presence or history of any other primary malignancy other than NSCLC within 5 years prior to enrollment into the study.
• Note: Patients with a history of adequately treated basal or squamous cell carcinoma of the skin or any adequately treated in situ carcinoma may be included in the study.
• Current use or anticipated need for drugs that are known to be strong Cytochrome P450, family 3, subfamily A (CYP3A) inhibitors or inducers.
• Note: midazolam requires diligent monitoring in situations where there is an unprecedented necessity for co-administration. These cases should be discussed with the study's medical monitor.
• Patients requiring concomitant use of chronic systemic (intravenously [IV] or oral) corticosteroids at doses higher than 8 mg dexamethasone per day or other immunosuppressive medications except for managing adverse events (AEs); (inhaled steroids or intra articular steroid injections are permitted in this study).
• Note: The use of stable corticosteroid therapy in patients with brain metastases should be discussed with the Sponsor's Medical Monitor.
• Hypersensitivity to the Study drug or any of its ingredients.
• Prior exposure to other investigational medical products within five times the half-life of the drug/metabolites before the Screening Visit.
• Contraindications to MRI, including but not limited to claustrophobia.

Where it is running

• Medizinische Universität Graz — Graz, Austria (enrolling)
• Medical University of Vienna — Vienna, Austria (enrolling)
• Ludwig-Maximilians-University Munich — München, Germany (enrolling)
• Hospital de Vinalopó — Elche, Alicante, Spain (enrolling)
• Hospital Universitari Sant Joan de Reus — Reus, Tarragona, Spain (enrolling)
• Hospital General Universitario Dr. Balmis — Alicante, Spain (enrolling)
• Hospital de Cruces — Barakaldo, Spain (enrolling)
• UOMI Cancer Center — Barcelona, Spain (enrolling)
• Hospital Universitari Vall d'Hebron — Barcelona, Spain (enrolling)
• Institut Català d' Oncologia Girona (ICO) — Girona, Spain (enrolling)
• Hospital Universitario de León — León, Spain (enrolling)
• Hospital Lucus Agusti — Lugo, Spain (enrolling)
• Hospital Beata María Ana — Madrid, Spain (enrolling)
• Hospital Universitario Vithas Madrid La Milagrosa — Madrid, Spain (enrolling)
• Complejo Hospitalario Universitario de Santiago (CHUS) — Santiago de Compostela, Spain (enrolling)
• Hospital Clínico Universitario de Valencia — Valencia, Spain (enrolling)

Full record on ClinicalTrials.gov

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