Combination treatment for advanced solid tumors using Invikafusp Alfa and Sacituzumab Govitecan

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial investigates the safety and efficacy of Invikafusp Alfa, a bifunctional antibody-fusion molecule that targets T cell receptors, in combination with Sacituzumab Govitecan for patients with advanced solid tumors, specifically focusing on triple-negative breast cancer and HR+/HER2- breast cancer. The study is designed as a Phase 1b/2 open-label trial, allowing researchers to assess the treatment's effectiveness and safety profile in participants with unresectable or metastatic disease. Patients will be monitored for measurable disease progression according to established criteria.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Have measurable disease as per RECIST v1.1 criteria and documented by CT and/or MRI. Cutaneous or subcutaneous lesions must be measurable by calipers.
2. Tumor Type:

   * mTNBC (Safety Run-in and Cohort A): Progression or recurrence of locally advanced or metastatic TNBC
   * HR+/HER2- mBC (Safety Run-in and Cohort B): Progression or recurrence of locally advanced or metastatic HR+/HER2- breast cancer
3. Symptomatic central nervous system (CNS) metastases must have been treated, be asymptomatic for ≥ 14 days, and meet the following at the time of enrollment:

No concurrent treatment for CNS disease (eg, surgery, radiation, corticosteroids \> 10 mg prednisone/day or equivalent); No concurrent leptomeningeal disease or cord compression.

Exclusion Criteria:

1. History of known autoimmune disease with exceptions of:

   * Vitiligo
   * Psoriasis
   * Atopic dermatitis or other autoimmune skin condition not requiring systemic treatment
   * History of Graves' disease, now euthyroid for \> 4 weeks
   * Hypothyroidism managed by thyroid replacement
   * Alopecia
   * Arthritis managed without systemic therapy beyond oral nonsteroidal anti-inflammatory drugs
   * Adrenal insufficiency well-controlled on replacement therapy
2. Major surgery or traumatic injury within 8 weeks before first dose of study intervention
3. Unhealed wounds from surgery or injury
4. Clinically significant cardiovascular/vascular disease, gastrointestinal disorders, inflammatory processes, pulmonary compromises
5. Active viral, bacterial, or systemic fungal infection requiring parenteral treatment within 7 days prior to the initiation of study intervention.
6. Vaccination with any live virus vaccine within 4 weeks prior to the initiation of study intervention administration. Inactivated annual influenza vaccination is allowed.
7. Participants who are known to be human immunodeficiency virus positive or hepatitis B or C positive and have uncontrolled disease.
8. Second primary invasive malignancy not in remission for ≥ 1 year. Exceptions include non-melanoma locally advanced skin cancer, cervical carcinoma in situ, localized prostate cancer (Gleason score ≤ 7), resected melanoma in situ, or any malignancy considered to be indolent and never required systemic therapy, with the exception of indolent lymphomas.
9. Pregnant, likely to become pregnant, or lactating women (where pregnancy is defined as the state of a female after conception and until the termination of gestation)
10. Treatment with \>10 mg per day of prednisone (or equivalent) or other immune-suppressive drugs within 7 days prior to the initiation of study intervention. Exceptions may be made for participants who have had allergic reactions to iodinated contrast media. Steroids for topical, ophthalmic, inhaled, or nasal administration are allowed

Where it's running

• USC Norris Comprehensive Cancer Center
  Los Angeles, California, United States Recruiting
• UCLA Health
  Los Angeles, California, United States Recruiting
• Massachusetts General Hospital Cancer Center
  Boston, Massachusetts, United States Recruiting
• Ohio State University Comprehensive Cancer Center
  Columbus, Ohio, United States Recruiting
• Sarah Cannon Research Institute
  Nashville, Tennessee, United States Recruiting
• UT Health San Antonio MD Anderson Cancer Center
  San Antonio, Texas, United States Recruiting

Study contacts

• Study coordinator: Kevin Chin, MD, MS
• Email: kchin@marengotx.com
• Phone: 617-276-5734

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.