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Intraperitoneal MCY-M11 (Mesothelin-targeting CAR) for Treatment of Advanced Ovarian Cancer and Peritoneal Mesothelioma

M

MaxCyte

Status and phase

Terminated
Phase 1

Conditions

Fallopian Tube Adenocarcinoma
Primary Peritoneal Carcinoma
Peritoneal Mesothelioma
Adenocarcinoma of the Ovary

Treatments

Biological: MCY-M11
Drug: Cyclophosphamide

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT03608618
CP-M11-101

Details and patient eligibility

About

This is a phase 1 dose escalation study to characterize the feasibility, safety and tolerability of MCY-M11 when administered as an intraperitoneal (IP) infusion for 3 weekly doses for women with platinum resistant high grade serous adenocarcinoma of the ovary, primary peritoneum, or fallopian tube, and subjects with peritoneal mesothelioma with recurrence after prior chemotherapy. The study will also assess multiple cycles of treatment and adding preconditioning with cyclophosphamide.

Enrollment

14 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Be able to undergo peripheral blood leukapheresis; have successful placement of an intraperitoneal catheter
  • Be diagnosed with one of the following: metastatic or unresectable high grade serous adenocarcinoma involving the ovary, primary peritoneum, or fallopian tube with peritoneal involvement, not including mixed histologies, OR unresectable epithelioid or biphasic peritoneal mesothelioma
  • Be at least 4 weeks from previous anti-cancer therapy
  • Have a life expectancy of greater than 3 months.

Exclusion criteria

  • Females who are pregnant, trying to become pregnant, or breastfeeding
  • Diagnosis of HIV or chronic active Hepatitis B or C
  • Symptomatic or uncontrolled brain metastases requiring current treatment
  • Impaired cardiac function or clinically significant cardiac disease
  • Lack of recovery of prior mild adverse events due to earlier therapies
  • Active infection
  • Another previous or current malignancy within the last 3 years, with exceptions
  • Concomitant chronic use of steroids or NSAIDs
  • Concomitant use of complementary or alternative medication or therapy
  • Autoimmune disease or inflammatory disease within previous 5 years

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Sequential Assignment

Masking

None (Open label)

14 participants in 4 patient groups

Cohort 1
Experimental group
Description:
3-6 subjects will receive a starting dose of MCY-M11 via intraperitoneal infusion once weekly for 3 weeks
Treatment:
Drug: Cyclophosphamide
Biological: MCY-M11
Cohort 2 and 2i
Experimental group
Description:
3-6 subjects will receive a higher dose of MCY-M11 via intraperitoneal infusion once weekly for 3 weeks (cohort 2); 3-6 subjects will receive MCY-M11 and cyclophosphamide preconditioning (cohort 2i)
Treatment:
Drug: Cyclophosphamide
Biological: MCY-M11
Cohort 3 and 3i
Experimental group
Description:
3-6 subjects will receive a higher dose of MCY-M11 via intraperitoneal infusion once weekly for 3 weeks (cohort 3); 3-6 subjects will receive MCY-M11 and cyclophosphamide preconditioning (cohort 3i)
Treatment:
Drug: Cyclophosphamide
Biological: MCY-M11
Cohort 4 and 4i
Experimental group
Description:
3-6 subjects will receive a higher dose of MCY-M11 via intraperitoneal infusion once weekly for 3 weeks (cohort 4); 3-6 subjects will receive MCY-M11 and cyclophosphamide preconditioning (cohort 4i)
Treatment:
Drug: Cyclophosphamide
Biological: MCY-M11

Trial contacts and locations

4

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Data sourced from clinicaltrials.gov

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