Status:

ACTIVE_NOT_RECRUITING

P-MUC1C-ALLO1 Allogeneic CAR-T Cells in the Treatment of Subjects With Advanced or Metastatic Solid Tumors

Lead Sponsor:

Poseida Therapeutics, Inc.

Conditions:

Breast Cancer

Ovarian Cancer

Eligibility:

All Genders

18+ years

Phase:

PHASE1

Brief Summary

A Phase 1, open label, dose escalation and expanded cohort study of P-MUC1C-ALLO1 in adult subjects with advanced or metastatic epithelial derived solid tumors, including but not limited to the tumor ...

Detailed Description

This is an open label, multi-center Phase 1 study that will follow a 3 + 3 design of dose-escalating cohorts of single and multiple doses of P-MUC1C-ALLO1 to determine a Recommended Phase 2 Dose (RP2D...

Eligibility Criteria

Inclusion

  • Males or females, Subjects ≥18 years with life expectancy \>3 months
  • Must have a confirmed diagnosis of unresectable, locally advanced or metastatic epithelial-derived cancer
  • Must have progressed during or after last therapy, developed intolerance/toxicity to current treatment, or ineligible or refused other existing treatment options, and have measurable disease
  • Must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1 or Karnofsky performance status ≥70%
  • Must have adequate vital organ function within pre-determined parameters
  • Must have archived tumor tissue available or consent to a biopsy collection
  • Must be willing to practice birth control
  • Must have a negative pregnancy test at screening and prior to initiating lymphodepletion chemotherapy or study drug administration
  • Must have recovered from toxicities due to prior therapies

Exclusion

  • Has inadequate venous access
  • Has an active second malignancy (not disease free for at least 5 years) in addition to the studied malignancy, excluding low-risk neoplasms such as non-metastatic basal cell or squamous cell skin carcinoma
  • Is pregnant or lactating
  • Has a history of or active autoimmune disease
  • Has a history of significant central nervous system (CNS) disease, such as stroke, epilepsy
  • Has an active systemic (viral, bacterial, or fungal) infection
  • Has New York Heart Association (NYHA) Class III or IV heart failure, unstable angina, or a history of myocardial infarction or significant arrhythmia
  • Has any psychiatric or medical disorder that would preclude safe participation in and/or adherence to the protocol
  • Has received anticancer medications within 2 weeks of the time of initiating lymphodepletion
  • Has received immunosuppressive medications within 2 weeks of administration of P-MUC1C-ALLO1, and/or expected to require them while enrolled in the study
  • Has received systemic corticosteroid therapy within 1 week of the administration of P-MUC1C-ALLO1 or is expected to require it during the course of the study
  • Has known CNS metastases or symptomatic CNS involvement
  • Has a history of significant liver disease or active liver disease
  • Has a history of known genetic predisposition to HLH/MAS
  • Has received anti-cancer monoclonal antibody therapy within 4 weeks of initiating LD therapy

Key Trial Info

Start Date :

February 15 2022

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 1 2039

Estimated Enrollment :

180 Patients enrolled

Trial Details

Trial ID

NCT05239143

Start Date

February 15 2022

End Date

April 1 2039

Last Update

December 23 2025

Active Locations (14)

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Page 1 of 4 (14 locations)

1

University of California, Irvine Medical Center

Irvine, California, United States, 92868

2

Cedars Sinai Medical Center

Los Angeles, California, United States, 90048

3

University of California, San Diego

San Diego, California, United States, 92037

4

University of California, San Francisco

San Francisco, California, United States, 94143