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CAR-macrophages for the Treatment of HER2 Overexpressing Solid Tumors

C

Carisma Therapeutics

Status and phase

Active, not recruiting
Phase 1

Conditions

Ovarian Neoplasms
Lung Cancer, Non-Small-Cell
Carcinoma, Ovarian Epithelial
HER2-positive Breast Cancer
Esophagogastric Junction Neoplasms
Cancer
HER2-positive
Adenocarcinoma
Lung Cancer, Small Cell
Endometrial Cancer
Breast Neoplasm
Bladder Cancer
HER2-positive Gastric Cancer
Inflammatory Breast Cancer
HER-2 Gene Amplification
HER-2 Protein Overexpression
Pancreatic Cancer
Carcinoma, Ductal
Breast Cancer
Carcinoma, Hepatocellular
Biliary Tract Cancer
Carcinoma, Squamous
Carcinoma, Small Cell
Malignant Neoplasms
Bile Duct Cancer
HER2-positive Solid Tumors
Carcinoma, Transitional Cell
Head and Neck Cancer
Prostate Cancer
Stomach Neoplasms
Colorectal Cancer

Treatments

Biological: CT-0508
Biological: Pembrolizumab

Study type

Interventional

Funder types

Industry

Identifiers

Details and patient eligibility

About

Phase 1, first-in-human, open label study of CAR macrophages in HER2 overexpressing solid tumors.

Full description

A Phase 1, First in Human Study of Adenovirally Transduced Autologous Macrophages Engineered to Contain an Anti-HER2 Chimeric Antigen Receptor in Subjects with HER2 Overexpressing Solid Tumors

Main Study - Group 1 and Group 2 all HER2 overexpressing solid tumors

Intraperitoneal Substudy - HER2 overexpressing peritoneal disease

89[Zr] radiolabeled CT-0508 Substudy - All HER2 overexpressing solid tumors (Univ of Penn, Abramson Cancer Center only)

CT-0508 Combination with Pembrolizumab Substudy - All HER2 overexpressing solid tumors

Enrollment

48 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • HER2-positive recurrent or metastatic solid tumors for which there are no available curative treatment options.

    • Breast cancer and gastric/gastroesophageal junction cancers must have failed approved HER2-targeted agents.
    • Other HER2-positive tumor types must have failed standard of care therapies, while prior therapy with anti-HER2 drugs is not required.
  • Subject must be willing and able to undergo tumor tissue biopsy procedures

  • Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1

  • Subject has adequate bone marrow and organ function

Exclusion criteria

  • HIV, active hepatitis B or hepatitis C infection.

  • Diagnosis of immunodeficiency or chronic exposure to systemic corticosteroid therapy or any other form of immunosuppressive therapy

  • Untreated or symptomatic central nervous system (CNS) metastases or cytology proven carcinomatous meningitis.

    o Subjects with small, asymptomatic CNS metastases that do not require treatment are permitted to enroll.

  • Left ventricular ejection fraction (LVEF) <50% as determined by ECHO or multiple gated acquisition scan (MUGA)

Other protocol-defined Inclusion/Exclusion may apply.

CT-0508 in Combination with Pembrolizumab Substudy Only:

Exclusion Criteria:

  • Subjects with severe hypersensitivity (≥Grade 3) to pembrolizumab and/or any of its excipients
  • Subjects with an active autoimmune disease that has required systemic treatment in past 2 years (i.e., with use of disease modifying agents, corticosteroids or immunosuppressive drugs).
  • Subjects who have a history of (non-infectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease
  • Subjects who have had an allogeneic tissue/solid organ transplant

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

48 participants in 4 patient groups

Group 1 and Group 2
Experimental group
Description:
Both groups will receive the full dose manufactured per patient. Group 1 will undergo intra subject dose escalation of IV administrations of up to 500 million total cells on Day 1, up to 1.5 billion total cells on Day 3, and up to 3.0 billion total cells on Day 5. Group 2 will receive the full dose IV on Day 1 of up to 5 billion cells total.
Treatment:
Biological: CT-0508
Intraperitoneal Administration
Experimental group
Description:
All cohorts will receive the full dose manufactured per patient. Cohorts 1-3 will undergo intrasubject dose escalations of IP administration as follows: Cohort 1 up to 500 million total cells on Day 1, up to 1 billion total cells on Day 3 and up to 1.5 billion total cells on Day 5. Cohort 2 up to 1.5 billion total cells on Day 1, up to 2 billion total cells on Day 3 and any remaining cells on Day 5. Cohort 3 up to 2.5 billion total cells on Day 1 and up to 2.5 billion total cells on Day 3. Cohort 4 will 1 dose on Day 1 of up to 5 billion total cells.
Treatment:
Biological: CT-0508
89[Zr]radiolabeled CT-0508
Experimental group
Description:
89[Zr] radiolabeled group will receive a full dose IV on Day 1 of up to 500 million total cells of 89[Zr] radiolabeled CT-0508 and non-radiolabeled CT-0508 of up to 4.5 billion total cells (Univ of Penn Abramson Cancer Center only).
Treatment:
Biological: CT-0508
CT-0508 in Combination with Pembrolizumab
Experimental group
Description:
All regimen levels will receive the full dose manufactured per patient up to 5 billion total cells. Regimen Levels 1 and 2 will undergo intrasubject dose escalations of IV administration as follows: Regimen Level 1: up to 500 million total cells on Day 1, up to 1.5 billion total cells on Day 3, and up to 3.0 billion total cells on Day 5 plus pembrolizumab 200 mg q3w starting on Day 8. Regimen Level 2: up to 500 million total cells on Day 1, up to 1.5 billion total cells on Day 3, and up to 3.0 billion total cells on Day 5 plus pembrolizumab 200 mg q3w starting on Day 1. Regimen Level 3 will receive the full dose IV on Day 1 of up to 5 billion total cells plus pembrolizumab 200 mg q3w starting on Day 1.
Treatment:
Biological: Pembrolizumab
Biological: CT-0508

Trial contacts and locations

7

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Central trial contact

Ramona Swaby, MD, Vice President - Clinical Development

Data sourced from clinicaltrials.gov

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