A Study of SGN-PDL1V in Advanced Solid Tumors

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Status and phase

Enrolling
Phase 1

Conditions

Ovarian Neoplasms
Melanoma
Squamous Cell Carcinoma of the Head and Neck
Gastric Cancer
Triple Negative Breast Neoplasms
Carcinoma, Non-Small-Cell Lung
Esophageal Squamous Cell Carcinoma

Treatments

Drug: SGN-PDL1V
Drug: pembrolizumab

Study type

Interventional

Funder types

Industry

Identifiers

NCT05208762
SGNPDL1V-001
2021-003517-19 (EudraCT Number)

Details and patient eligibility

About

This study will test the safety of a drug called SGN-PDL1V alone and with pembrolizumab in participants with solid tumors. It will also study the side effects of this drug. A side effect is anything a drug does to your body besides treating your disease. Participants will have solid tumor cancer that has spread through the body (metastatic) or cannot be removed with surgery (unresectable). This study will have four parts. Parts A and B of the study will find out how much SGN- PDL1V should be given to participants. Part C will use the dose found in Parts A and B to find out how safe SGN-PDL1V is and if it works to treat solid tumor cancers. In Part D, participants will be given SGN-PDL1V with pembrolizumab to find out how safe this combination is and if it works to treat solid tumor cancers.

Enrollment

322 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

* Parts A and B: * Participants must have one of the following histologically- or cytologically-confirmed metastatic or unresectable solid tumor types * Non-small cell lung cancer (NSCLC) * Head and neck squamous cell carcinoma (HNSCC) * Esophageal squamous cell carcinoma (SCC) * Triple negative breast cancer (TNBC) * Participants must have disease that is relapsed or refractory, that has progressed on approved therapies, be intolerant to or refused such therapies, or such and therapies are contraindicated and in the judgement of the investigator, should have no appropriate SoC therapeutic option * Participants must have PD-L1 expression based on historical testing * Part C: * Participants must have disease that is relapsed or refractory or be intolerant to SoC therapies and must have one of the following tumor types * HNSCC * Participants with HNSCC must have histologically or cytologically-confirmed HNSCC * NSCLC * Participants must have histologically or cytologically-confirmed NSCLC * Esophageal SCC * Ovarian cancer * Melanoma * TNBC * Gastric cancer * Participants must have been previously tested for PD-L1 expression and should have PD-L1 expression ≥1 or \<1 by CPS or TPS based on historical testing * Part D: * Participants must have histologically or cytologically-confirmed disease of the HNSCC * Participants must have PD-L1 expression based on historical testing * Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1 * Measurable disease per RECIST v1.1 at baseline

Exclusion criteria

* History of another malignancy within 3 years of first dose of study treatment or any evidence of residual disease from a previously diagnosed malignancy. * Known active central nervous system metastases. Participants with previously-treated brain metastases may participate provided they: * Are clinically stable for at least 4 weeks prior to study entry after brain metastasis treatment * Have no new or enlarging brain metastases * And are off of corticosteroids prescribed for symptoms associate with brain metastases for at least 7 days prior to first dose of study treatment * Lepto-meningeal disease * Prior treatment with an anti-PD-L1 agent within less than 5 half-lives. This duration of time will vary according to the half-life of the specific agent. * Previous receipt of an monomethylauristatin E (MMAE)-containing agent. * Pre-existing neuropathy ≥Grade 2 per National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) v5.0. There are additional inclusion criteria. The study center will determine if criteria for participations are met.

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

322 participants in 2 patient groups

SGN-PDL1V Monotherapy
Experimental group
Description:
SGN-PDL1V monotherapy
Treatment:
Drug: SGN-PDL1V
SGN-PDL1V Combination Therapy
Experimental group
Description:
SGN-PDL1V + pembrolizumab
Treatment:
Drug: pembrolizumab
Drug: SGN-PDL1V

Trial contacts and locations

23

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Central trial contact

Seagen Trial Information Support

Data sourced from clinicaltrials.gov

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