Actively Recruiting

Phase 2
Age: 18Years +
All Genders
NCT06353997

Neoadjuvant INBRX-106 in Combination With Pembrolizumab for Stage II/III TNBC Patients

Led by Providence Health & Services · Updated on 2026-01-15

12

Participants Needed

4

Research Sites

247 weeks

Total Duration

On this page

Sponsors

P

Providence Health & Services

Lead Sponsor

I

Inhibrx Biosciences, Inc

Collaborating Sponsor

AI-Summary

What this Trial Is About

This is a Phase II trial to assess efficacy and feasibility of pembrolizumab + INBRX-106 as an induction therapy preceding neoadjuvant therapy.

CONDITIONS

Official Title

Neoadjuvant INBRX-106 in Combination With Pembrolizumab for Stage II/III TNBC Patients

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age 18 years or older, inclusive of all genders
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 2
  • Histologically confirmed triple-negative breast cancer with ER/PR 64 10%, HER2-negative as per ASCO guidelines
  • Primary breast tumor measurable by ultrasound and at least 1 cm in size
  • Clinically appropriate for neoadjuvant pembrolizumab plus chemotherapy planned for curative intent
  • Multifocal or multicentric disease allowed; suspicious sites may require biopsy
  • No prior therapy for triple-negative breast cancer
  • Willingness to undergo serial ultrasounds, biopsies, and blood draws
  • Adequate organ function as defined by specific blood count and chemistry thresholds within 28 days prior to treatment
  • Fertile males and females of childbearing potential must agree to use highly effective contraception starting 28 days before treatment until 4 months after last dose
  • Women of childbearing potential must have a negative pregnancy test within 72 hours prior to treatment start
  • Tumor must have a stromal tumor infiltrating lymphocytes (sTILs) score of at least 1% on diagnostic biopsy
Not Eligible

You will not qualify if you...

  • Bilateral breast cancer
  • Prior malignancies requiring ongoing active therapy or with significant risk of systemic recurrence
  • Suspicion or confirmation of metastatic disease
  • Primary tumor causing skin ulceration, chest wall invasion, or pain suggesting rapid progression
  • Prior therapy with anti-PD-1, anti-PD-L1, anti-PDL2, or other immune checkpoint agents within 3 years unless clinically appropriate
  • Known allergy or hypersensitivity to study drugs or excipients
  • Immunodeficiency or recent systemic steroid or immunosuppressive therapy exceeding defined doses
  • Receipt of live vaccines within 30 days prior to study drug start
  • Requirement for systemic corticosteroids or immunosuppressive medications within 14 days prior to study drug
  • Psychiatric or substance abuse disorders interfering with study cooperation
  • Pregnancy or breastfeeding
  • History of pneumonitis requiring steroids or current pneumonitis
  • History of allogenic tissue or solid organ transplantation
  • Active autoimmune disease requiring systemic treatment exceeding prednisone 10 mg daily in past 2 years
  • Known additional malignancy progressing or requiring systemic treatment in past 3 years except certain skin or carcinoma in situ
  • Conditions or laboratory abnormalities that could interfere with study participation
  • Active infection requiring systemic therapy except UTI or prophylactic antiviral treatment
  • Known HIV infection
  • Known active Hepatitis B or C infection
  • History of active tuberculosis

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 4 locations

1

Ellison Institute of Technology (EITM)

Los Angeles, California, United States, 90064

Actively Recruiting

2

Providence Portland Cancer Institute - Franz Clinic

Portland, Oregon, United States, 97213

Actively Recruiting

3

Providence St. Vincent Medical Center

Portland, Oregon, United States, 97225

Actively Recruiting

4

Swedish Cancer Institute

Seattle, Washington, United States, 98104

Not Yet Recruiting

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Research Team

N

Nicole Moxon, RN

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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