Adoptive T Cell Therapy Following HER2-Pulsed Dendritic Cell Vaccine & Pepinemab /Trastuzumab in Patients w/ Metastatic HER2+ Breast Cancer

Part of paid clinical trials in Tampa, Florida.

Sponsor
H. Lee Moffitt Cancer Center and Research Institute
Study ID
NCT05378464
Phase
PHASE1
Status
Recruiting
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Conditions

Eligibility Criteria

Sex
ALL
Age
18 Years - N/A
Healthy Volunteers
Not accepted

Interventions

  • Dendritic Cell (DC1) Vaccine — BIOLOGICAL
    Participants will receive a DC1 vaccine injection at 1.0-2.0 x 10\^7 cells, either to groin lymph notes or to tumor if accessible once a week for 3 weeks on days 1, 8 and 15. Participants will receive DC1 vaccine boosters every 3 weeks x 3.
  • Trastuzumab — DRUG
    Participants will receive trastuzumab 8 mg/kg by IV week 1, then 6 mg/kg by IV beginning week 4 and continuing every 3 weeks until disease progression or intolerable toxicity.
  • Pepinemab — DRUG
    Participants will receive pepinemab 20 mg/kg by IV beginning week 1 and continuing every 3 weeks until disease progression or intolerable toxicity.
  • T-Cell therapy — BIOLOGICAL
    Participants will receive IL-15 expanded CD4 T cells infusion by IV Day 1 at week 8, 2 weeks from last DC1 vaccine, and IL-7 expanded CD4 T cells infusion IV at week 8 day 8.

Study Details

The purpose of this study is to test the safety of Adoptive T-Cell therapy following the Dendritic Cell (DC1) study vaccine given in combination with pepinemab added to standard of care therapy, trastuzumab to help people with HER2 positive breast cancer.

Key Dates

Start date
May 31, 2022
Status verified
Mar 2026
Primary completion
Apr 30, 2026
Completion
Dec 31, 2026

Study Design

Enrollment
28 participants (estimated)
Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT

Arms

  • Experimental: T-Cell therapy dose level 1
    Participants will begin treatment with pepinemab and trastuzumab, and begin DC1 vaccines. After 6 weeks of DC1 vaccines, blood will be collected for t-cell therapy, and patients will then be treated with IL-15 Expanded HER2 specific CD4+ Th1 cell 0.5.0-2.5 x 10\^8, IL-7 and Expanded HER2 specific CD4+ Th1 cell 0.5.0-2.5 x 10\^8.
  • Experimental: T-Cell therapy dose level 2
    Participants will begin treatment with pepinemab and trastuzumab, and begin DC1 vaccines. After 6 weeks of DC1 vaccines, blood will be collected for t-cell therapy, and patients will then be treated with IL-15 Expanded HER2 specific CD4+ Th1 cell .25-1.2 x 10\^9, IL-7 and Expanded HER2 specific CD4+ Th1 cell .25-1.2 x 10\^9.
  • Experimental: T-Cell therapy dose level 3
    Participants will begin treatment with pepinemab and trastuzumab, and begin DC1 vaccines. After 6 weeks of DC1 vaccines, blood will be collected for t-cell therapy, and patients will then be treated with IL-15 Expanded HER2 specific CD4+ Th1 cell .5-2.5 x 10\^9, IL-7 and Expanded HER2 specific CD4+ Th1 cell .5-2.5 x 10\^9.
  • Experimental: T Cell therapy dose expansion
    Participants will begin treatment with pepinemab and trastuzumab, and begin DC1 vaccines. After 6 weeks of DC1 vaccines, blood will be collected for t-cell therapy, and patients will then be treated with CD4 treated t-cells at the maximum tolerated dose determined.

Primary Outcome Measure

Maximum Tolerated Dose (MTD) of expanded CD4 T cells [ Time Frame: Up to 6 months ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
Moffitt Cancer CenterTampaFlorida33612
Kim Sprenger
[email protected]
Heather Han, MD (PRINCIPAL_INVESTIGATOR)

Find similar trials in Tampa, FL

By condition
Breast cancer
By specialty
OncologyBreast oncologyWomen's health
By research site
Moffitt Cancer Center· Tampa, FL

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