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Clinical Trial Summary

This 2-part study intends to define the recommended Phase 2 dose of ifinatamab deruxtecan (I-DXd) based on the efficacy, safety, and pharmacokinetics (PK) results observed in participants with Extensive-stage Small Cell Lung Cancer (ES-SCLC) who received at least 1 prior line of platinum-based chemotherapy and a maximum of 3 prior lines of therapy (Part 1) and a minimum of two previous lines of systemic therapy (Part 2). This study will also investigate I-DXd anti-tumor activity in this population.


Clinical Trial Description

This study will consist of 2 parts: dose optimization (Part 1) and extension (Part 2). In the dose optimization part of the study (Part 1), approximately 80 participants with at least 1 prior line of platinum-based chemotherapy and a maximum of 3 prior lines of therapy will be enrolled. Two I-DXd doses will be tested (8 mg/kg Q3W and 12 mg/kg Q3W). In the extension part of the study (Part 2), approximately 70 participants with a minimum of two previous lines of systemic therapy will be enrolled. I-DXd will be administered at the selected dose of 12 mg/kg Q3W. In Part 1, eligible participants will be randomized in a 1:1 ratio to receive one of the two dose levels of I-DXd. Randomization will be stratified by: 1. Prior receipt or of an anti-programmed death-ligand 1 (PD-[L]1) antibody (yes/no) 2. The chemotherapy-free interval (CTFI) from completion of the first-line therapy to the date of documented radiological Progressive Disease of <90 days vs. ≥90 days in second-line participants as well as the number of lines of therapy. Thus, the stratification factor includes three categories: (1) second-line participants with CTFI <90 days, (2) second-line participants with CTFI ≥90 days, and (3) third- and fourth-line participants. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05280470
Study type Interventional
Source Daiichi Sankyo
Contact
Status Active, not recruiting
Phase Phase 2
Start date March 9, 2022
Completion date April 17, 2025

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