Kidney Cancer Clinical Trial
Study of PULSAR-ICI +/- IMSA101 in Patients With Oligometastatic NSCLC and RCC
Phase 2, open-label, multicenter, randomized study comparing the safety and efficacy of personalized ultra-fractionated stereotactic adaptive radiotherapy (PULSAR) combined with immune checkpoint inhibitor (ICI) immunotherapy (PULSAR-ICI) + IMSA101 and PULSAR-ICI alone in patients with NSCLC or RCC
Patients shall be enrolled in 2 treatment arms as follows:
20 patients in the control arm (PULSAR-ICI alone)
20 patients in the experimental arm (PULSAR-ICI + IMSA101)
Patients will be stratified by histology (NSCLC and RCC) in the randomized portion.
PULSAR-ICI with or without IMSA101 treatment will be administered to the patients in Cycles 1, 2, and 3, and thereafter only standard of care ICI monotherapy will be administered to all patients. Each treatment cycle will be 28 days in duration for Cycles 1, 2 and 3, then per standard of care monotherapy thereafter based on the product labels of the prescribed ICI.
The study will start with a safety run-in portion at 2 dose levels for the experimental arm, followed by a randomized portion for both treatment arms. The safety run-in shall employ a 3+3 safety run-in component.
All patients will be followed throughout the study for drug tolerability and safety by collecting clinical and laboratory data, including adverse events (AEs) using Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0 criteria, SAEs, concomitant medications, and vital signs.
All patients will be assessed for anti-tumor efficacy at screening, prior to the end of Cycle 3, and at 8-week intervals thereafter based on radiographic assessments (all outcome measures per RECIST Version 1.1 and iRECIST).
All patients will continue to receive their assigned treatment throughout the study until the occurrence of disease progression (based on iRECIST), death, or other unacceptable treatment-related toxicity, or until the study is closed by the sponsor.
Male or female patients ≥ 18 years of age
Signed informed consent and mental capability to understand the informed consent
Histologically or cytologically documented NSCLC or RCC with radiographically documented presence of ≤ 6 metastatic lesions consistent with the diagnosis of "oligometastatic" disease
Patient's disease must be evaluable per RECIST Version 1.1
All metastatic lesions amenable to administration of radiotherapy, at the discretion of the investigator
Eastern Cooperative Oncology Group (ECOG) performance status of ≤ 1
Electrocardiogram (ECG) without evidence of clinically significant conduction abnormalities or active ischemia as determined by the investigator
Acceptable organ and marrow function as defined below:
Absolute neutrophil count (ANC) > 1,500 cells/μL
Platelets > 50,000 cells/μL
Total bilirubin ≤ 1.5 times (×) the upper limit of normal (ULN)
Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ≤ 2.5 × ULN. If liver metastases are present, AST/ALT < 5 × ULN
Serum creatinine < 1.5 mg/dL and a measured creatinine clearance ≥ 50 mL/min using the Cockcroft-Gault formula
Prothrombin time (PT)/partial thromboplastin time (PTT) ≤ 1.5 × ULN
Women of child-bearing potential (defined as a female who has experienced menarche and who has not undergone successful surgical sterilization [hysterectomy, bilateral salpingectomy, or bilateral oophorectomy]) or is not postmenopausal (defined as amenorrhea for at least 12 consecutive months with an appropriate clinical profile at the appropriate age, eg, greater than 45 years) must have a negative serum pregnancy test prior to first dose of study treatment
Male and female patients with reproductive potential must agree to use two forms of highly effective contraception throughout the study
Prior receipt of programmed cell death ligand 1 (PD-L1 or PD-1)-targeted immunotherapy
Prior receipt of stimulator of interferon genes (STING) agonist
Prior receipt of therapeutic radiotherapy to the lesions intended for PULSAR treatment
Anti-cancer therapy within 4 weeks or < 5 half-lives of the first dose of study treatment
Failure to recover, to Grade 1 or less, from clinically significant AEs due to prior anti-cancer therapy, as judged by the investigator
Existence of actionable mutations that may be eligible for mutation-targeted drug that represents standard-of-care therapy
Presence of brain metastases
Baseline prolongation of QT/corrected QT (QTc) interval (QTc interval > 470)
Uncontrolled intercurrent illness (including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations) that in the opinion of the investigator would limit compliance with study requirements
Women who are pregnant or breastfeeding
Sponsor reserves the right to exclude any patient from the study on the basis of pre-study medical histories, physical examination findings, clinical laboratory results, prior medications, or other entrance criteria
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