A Study of BT5528 in Patients With Metastatic Pancreatic Ductal Adenocarcinoma (PDAC)

Summary

This is a Phase 2 study for BT5528 in adults with a specific type of pancreatic cancer called metastatic pancreatic ductal adenocarcinoma (PDAC) that has spread and worsened after one previous treatment. The drug, BT5528, is designed to find a specific protein called EphA2. The main aims of the study are to see how well the drug works against the tumor (efficacy), what side effects it may have (safety), and how the body processes it (pharmacokinetics). All participants in this study will receive BT5528, and both they and their doctors will know what is being administered (single-arm, open-label). The trial will take place at several different medical centers.

Eligibility

Inclusion Criteria

* At least 18 years of age at the time of signature of the informed consent form
* Measurable disease as defined by RECIST v1.1
* Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
* Life expectancy of at least 12 weeks
* Histologically confirmed metastatic pancreatic ductal adenocarcinoma (PDAC)
* Participants must have failed only 1 prior line of therapy with evidence of radiographic progression. Neoadjuvant or adjuvant systemic therapy may count as the first line if the participant progressed less than 6 months from the end of systemic therapy. Prior treatment with KRAS inhibitors is permitted
* Participants must have sufficient tumor tissue (fresh or archived) available for analysis of EphA2 tumor expression and other biomarkers
* Adequate organ function (hematologic, renal, and hepatic)
* Negative pregnancy test for participants of childbearing potential (POCBP)
* Must be willing and able to comply with the protocol and study procedures

Exclusion Criteria

* Chemotherapy or radiotherapy within 14 days prior to the first dose of study treatment
* Experimental treatments within 28 days or 5 half-lives, whichever is longer, of first dose of BT5528 study treatment
* Prior treatment with taxane therapy (e.g., paclitaxel) for pancreatic cancer or prior treatment with any MMAE-containing agent
* Known microsatellite instability-high (MSI-H) status and are eligible for immune checkpoint inhibitor therapy
* Prior toxicities must have resolved to Grade 1 per National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) v6.0
* Untreated central nervous system (CNS) metastases

Note: Additional protocol defined Inclusion/Exclusion criteria apply

Conditions2

Interventions1

Locations1 site

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