A Phase I/Ib Open-label, First-in-human, Single Agent, Dose Escalation and Expansion Study for the Evaluation of Safety, Pharmacokinetics, Pharmacodynamics, and Anti-tumor Activity of SAR443216 in Participants with Relapsed/Refractory HER2 Expressing Solid Tumors.
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Study Summary
To determine the safety, effciacy and pharmacokinetics of SAR443216 in patients with relapsed/refractory HER2 expressing solid tumors.
To study the efficacy of SAR443216 administered intravenously (IV) or subcutaneously (SC) as a single agent in patients with HER2-expressing solid tumors
The study is conducted in 2 parts: The dose escalation part (n=∼70 dose limiting toxicity [DLT] evaluable patients) will assess safety and dose findings of SAR443216 using Bayesian-CRM model, in patients with HER2-expressing solid tumors who have exhausted all standard of care therapies. Dose expansion part (n=∼130 in 4 cohorts) will assess the safety and efficacy of SAR443216 at the recommended dose for expansion in cohorts defined by HER2-expression (1+, 2+ or 3+ by IHC) and/or HER2-activating mutations. Adverse events (AEs) are assessed per NCI CTCAE v5 and tumor response as per RECIST 1.1
To present safety, pharmacokinetics (PK), and biomarker data for 9 dose levels (DLs) of SAR443216 investigated in pts with advanced solid tumors in the IV dose-escalation cohort of a first-in-human open-label Phase 1/1b trial
- Participants must be ≥ 18 years of age
- Histologically or cytologically confirmed diagnosis of metastatic solid tumors
- Eastern Cooperative Oncology Group (ECOG) performance status 0-1
- Participants must have HER2 expression in tumor tissue and/or with HER2 aberration detected in tumor or blood by means of validated assay(s)
- Body weight within [45 - 150 kg] (inclusive)
- Male and female participants including woman of childbearing potential must agree to follow contraceptive guidance
- Capable of giving signed informed consent
- Any clinically significant cardiac disease
- History of or current interstitial lung disease or pneumonitis
- Uncontrolled or unresolved acute renal failure
- Prior solid organ or hematologic transplant.
- Known positivity with human immunodeficiency virus (HIV), known active hepatitis A, B, and C, or uncontrolled chronic or ongoing infectious requiring parenteral treatment.
- Receipt of a live-virus vaccination within 28 days of planned treatment start
- Participation in a concurrent clinical study in the treatment period.
- Inadequate hematologic, hepatic and renal function
- Participant not suitable for participation, whatever the reason, as judged by the Investigator, including medical or clinical conditions.
- The above information is not intended to contain all considerations relevant to the potential participation in a clinical trial.
Clinical Study Information for Healthcare Providers
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