A Study of SGN-B7H4V in Advanced Solid Tumors

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Status and phase

Enrolling
Phase 1

Conditions

Ovarian Neoplasms
Adenoid Cystic Carcinoma
Hormone Receptor Positive Breast Neoplasms
Fallopian Tube Neoplasms
Triple Negative Breast Neoplasms
Carcinoma, Non-Small-Cell Lung
Peritoneal Neoplasms
HER2 Negative Breast Neoplasms
Cholangiocarcinoma
Gallbladder Carcinoma
Endometrial Neoplasms

Treatments

Drug: SGN-B7H4V

Study type

Interventional

Funder types

Industry

Identifiers

NCT05194072
SGNB7H4V-001
2021-002107-35 (EudraCT Number)

Details and patient eligibility

About

This study will test the safety of a drug called SGN-B7H4V in participants with solid tumors. It will also study the side effects of this drug. A side effect is anything a drug does to the body besides treating the disease. Participants will have cancer that has spread in the body near where it started (locally advanced) and cannot be removed (unresectable) or has spread through the body (metastatic). This study will have three parts. Parts A and B of the study will find out how much SGN-B7H4V should be given to participants. Part C will use the dose found in Parts A and B to find out how safe SGN-B7H4V is and if it works to treat solid tumor cancers.

Enrollment

430 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Participants must have one of the following histologically or cytologically confirmed locally advanced unresectable or metastatic solid tumor types:

  • High-grade serous epithelial ovarian cancer, primary peritoneal cancer, or fallopian tube cancer
  • HER2-negative, HR positive breast cancer
  • Triple-negative breast cancer (TNBC)
  • Endometrial carcinoma
  • Non-small cell lung cancer (Squamous cell carcinoma [SqCC], Adenocarcinoma [AC])
  • Cholangiocarcinoma or gallbladder carcinoma
  • Adenoid cystic carcinoma (ACC)
  • Parts A and B: Participants must have disease that is relapsed or refractory or be intolerant to SOC therapies, and, in the judgement of the investigator, should have no appropriate SOC therapeutic option
  • Part C: Participants must have disease that is relapsed or refractory or be intolerant to SOC therapies, unless contraindicated
  • Tumor tissue is required for enrollment.
  • Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
  • Measurable disease per RECIST version 1.1 at baseline

Exclusion criteria

History of another malignancy within 3 years before the first dose of study drug. Any evidence of residual disease from a previously diagnosed malignancy. Exceptions are malignancies with a negligible risk of metastasis or death.

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 corticosteroids prescribed for symptoms associated with brain metastases for at least 7 days prior to the first dose of study treatment.
  • Carcinomatous meningitis
  • Previous receipt of an MMAE-containing agent or an agent targeting B7-H4
  • Pre-existing neuropathy ≥ Grade 2 per National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0
  • Corneal disease or injury requiring treatment or active monitoring

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

430 participants in 1 patient group

SGN-B7H4V
Experimental group
Description:
SGN-B7H4V monotherapy
Treatment:
Drug: SGN-B7H4V

Trial contacts and locations

18

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Central trial contact

Seagen Trial Information Support

Data sourced from clinicaltrials.gov

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