Clinical trialPhase 1 / Phase 2Completed
BATs Treatment for Pancreatic Cancer, Phase Ib/II
Phase Ib/II Treatment of Advanced Pancreatic Cancer With Anti-CD3 x Anti-EGFR-Bispecific Antibody Armed Activated T-Cells (BATs)
- Outcome
- Finished, no results posted
- Phase
- Phase 1 / Phase 2
- Status
- Completed
- Study type
- Interventional
- Start
- 28 July 2017
- Expected end
- 28 April 2026
- Enrollment
- 22 participants
- Sites
- 1
- Primary outcomes
- Incidence of adverse events; Overall survival
- Sponsor
- Other
- Results posted
- No
- Last update
- 16 June 2026
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Brief summary public domain (ClinicalTrials.gov)
This protocol will confirm toxicities and estimate the clinical efficacy of combining anti-CD3 x anti-EGFR bispecific antibody (EGFRBi) armed activated T cells (EGFR BATs) given to patients with locally advanced or metastatic pancreatic cancer who have received at least one dose of first line chemotherapy and may have responding, stable or progressive disease. Phase Ib will confirm a safe dose of 8 infusions, given twice weekly, of EGFR-BATs in 3 to 6 subjects. The phase II portion of the trial will test the clinical efficacy of this dose in 22 patients (including those in Phase Ib).
Detailed description public domain (ClinicalTrials.gov)
Once subjects are determined eligible, white blood cells (lymphocytes) are collected via leukapheresis procedure at approximately 3 to 4 weeks prior to first EGFR-BATs infusion. The white blood cells, specifically T cells, are then mixed with two proteins - OKT3 and IL-2 which activates the cells to multiply. After approximately 14 days in culture, the activated T cells are coated with the OKT3 and cetuximab to produce bispecific antibody armed T cells (BATs). Cells are then frozen and stored until scheduled to be infused. Within one to two weeks prior to infusion of the study treatment, subjects will receive one dose of chemotherapy. The choice of chemotherapy agent(s) is at the discretion of the treating physician. At approximately 4 weeks following leukapheresis procedure, twice weekly or weekly infusions of the BATs cells will take place (twice weekly for participants enrolled before DATE and weekly for participants enrolled after DATE). A total of eight twice weekly infusions or four weekly infusions will be given over a four week period. Please note that the weekly dose for both groups of participants is the same; participants that received twice weekly dosing received half of the weekly dose at each infusion. Follow-up appointment schedule will include clinic visits at 1 to 2 weeks, 4 to 5 weeks, 2 months, 4 months and 6 months following the last infusion of BATs cells.