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Completed

NCT Number: NCT04627740

Anti-ALPP CAR-T Cells Immunotherapy for Advanced Solid Tumors

The goal of this clinical trial is to evaluate the safety and efficacy of anti-ALPP chimeric antigen receptor (CAR)-modified T (CAR-T) cells in treating patients with ALPP-positive Advanced Solid Tumors.

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Key information

Conditions

Age range

18 year–70 year

Sex eligibility

Female

Study type

Interventional

Phase

Phase 1 / Phase 2

Primary location

Department of Oncology, Xinqiao Hospital

Chongqing, Chongqing Municipality, 400037, China

About this study

Primary Objectives:

To evaluate the number of ALPP-positive participants with treatment-related adverse events as assessed by CTCAE v4.0 after infusion with anti-ALPP CAR-T cells.

Secondary Objectives:

The number of patients experience objective response from anti-ALPP CAR-T cells treatment

To evaluate the progression-free survival (PFS) of anti-ALPP CAR-T cells in patients with ALPP-positive patients.

The number and percent of ALPP-CART cells in peripheral blood from ALPP-positive patients at 6 months after infusion

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Expected to survive more than 3 months
  • PS 0-2
  • Immunohistochemistry was confirmed to be mesothelin positive ALPP (higher than 50%)
  • Patients with no curative regimen to receive
  • WBC>3.5×1e+9/L,Hb>90g/L,PLT>75×1e+9/L
  • HBV DNA copy number less than 100/ml
  • ALT≤5ULN, AST≤5ULN, TB≤1.5ULN, ALB≥35g/L
  • Understand this test and have signed informed consent

Exclusion criteria

  • Autoimmune diseases, or any uncontrolled active disease that hinders participation in the trial
  • Decompensated liver cirrhosis, liver function Child-pugh C grade
  • Portal vein tumor thrombus, arterial portal fistula, hepatic arteriovenous
  • Long-term use of immunosuppressive agents after organ transplantation
  • Screening indicated that the target cell transfection rate was less than 30%
  • Invasive pulmonary embolism, deep venous thrombosis, or other major arterial / venous thromboembolic events occurred 30 days or 30 days prior to randomization
  • Subjects had an active or uncontrollable infection requiring systemic therapy 14 days or 14 days prior to randomization
  • Pregnant or lactating subjects
  • In the opinion of the investigator, the presence of a medical history or a history of mental state may increase the number of subjects associated with the risk factors associated with the study or study drug administration
  • Subjects who have signed a written consent or who are in compliance with the study procedure; or who are unwilling or unable to comply with the study

Treatment and study plan

Retroviral vector-transduced autologous T cells to express anti-ALPP CARs

Drug

Cyclophosphamide will be administered at dose of 20mg/kg for 1 day and then fludarabine will be given for the next 3 days with 35mg/m2 and then the CAR-T cells will be administered

Primary outcomes

  1. Number of patients suffering treatment-related AE

    Time frame: 1 year

    To evaluate the number of ALPP-positive participants with treatment-related adverse events as assessed by CTCAE v4.0 after infusion with anti-ALPP CAR-T cells.

Secondary outcomes

  1. Objective response rate to ALPP-CART infusion

    Time frame: Eight weeks

    The number of patients experience objective response from anti-ALPP CAR-T cells treatment

  2. Progression-free survival to ALPP-CART infusion

    Time frame: 6 months

    To evaluate the progression-free survival (PFS) of anti-ALPP CAR-T cells in patients with mesothelin-positive advanced ovarian carcinoma.

  3. Number of peripheral CAR-T after infusion

    Time frame: 6 months

    The number of ALPP-CART cells in peripheral blood from ALPP-positive patients at 6 months after infusion

Sponsors and collaborators

Lead sponsor

Xinqiao Hospital of Chongqing

Other

Collaborators

  • TCRCure Biopharma Ltd.

Registry information

Official study title

A Single-Arm, Single-Center, Open-Label Pilot Study of Anti-ALPP CART-cells in Patient With Alkaline Phosphatase, Placental (ALPP)-Positive Advanced Solid Tumor

Important dates

Study start
2020
Primary completion
2025
Study completion
2025
First posted
Nov 13, 2020
Registry last updated
Jan 20, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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