DS-1055a: Administered as an intravenous infusion on Day 1 of every 21-day cycle following low dose administration(s) in priming dose period.
Infusion duration: 180 minutes for the first infusion, and if no infusion-related reaction, 120 minutes for subsequent infusions
Study summary
The purpose of this study is to assess the safety and tolerability of DS-1055a in participants with relapsed or refractory locally advanced or metastatic solid tumors for which no standard treatment is available.
Eligibility
Sex
ALL
Min age
18 Years
Max age
—
Healthy volunteers
No
Inclusion Criteria:
* Has a histopathologically documented locally advanced or metastatic head and neck, gastric, esophageal cancer, non-small cell lung cancer, or melanoma. Participants with other types of solid tumors may be eligible following discussion with the Sponsor.
* Has a relapsed or refractory disease that is not amenable to curative standard therapy.
* Is 18 years of age or older.
* Has an Eastern Cooperative Oncology Group Performance Status (ECOG PS) of 0-1, with no deterioration for two weeks.
* Has a measurable disease based on Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1.
* Has adequate organ function within 7 days before enrollment.
* Is able to provide written informed consent and is willing and able to comply with the protocol.
Exclusion Criteria:
* Has a concurrently active second malignancy, other than adequately treated non-melanoma skin cancers, in situ melanoma or in situ cervical cancer. Participants with history of the second malignancy have been disease-free for \<3 years.
* Has a history of (non-infectious) interstitial lung disease (ILD) that required steroids, currently has ILD, or when suspected ILD cannot be ruled out by imaging at screening.
* Has a history of severe pulmonary compromise or requirement of supplemental oxygen within 6 months before enrollment.
* Has active hepatitis B or hepatitis C virus infection.
* Has received prior immunotherapy with a Grade 3 or higher, or any unresolved ≥Grade 2 immune-related adverse event.
Primary outcome measure(s)
Number of participants with dose-limiting toxicities — 21 days of Cycle 1 A dose-limiting toxicity (DLT) is defined as any treatment-emergent adverse event (TEAE) that occurs during the DLT evaluation period (21 days), excluding toxicities clearly related to disease progression or intercurrent illness or to concomitant medications or to concomitant procedures and is Grade 3 or above according to National Cancer Institute-Common Terminology Criteria for Adverse Events Version 5.0, with certain specified exceptions.
Number of participants with adverse events — Baseline up to approximately 3 years Adverse events were assessed using National Cancer Institute-Common Terminology Criteria for Adverse Events Version 5.0.
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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