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A Safety and Efficacy Study Evaluating CTX120 in Subjects With Relapsed or Refractory Multiple Myeloma

CRISPR Therapeutics logo

CRISPR Therapeutics

Status and phase

Active, not recruiting
Phase 1

Conditions

Multiple Myeloma

Treatments

Biological: CTX120

Study type

Interventional

Funder types

Industry

Identifiers

NCT04244656
CRSP-ONC-002

Details and patient eligibility

About

This is a single-arm, open-label, multicenter, Phase 1 study evaluating the safety and efficacy of CTX120 in subjects with relapsed or refractory multiple myeloma.

Enrollment

26 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Key Inclusion Criteria:

  1. Age ≥18 years.
  2. Relapsed or refractory multiple myeloma, as defined by IMWG response criteria and treatment with at least 2 prior lines of therapy.
  3. Eastern Cooperative Oncology Group performance status 0 or 1.
  4. Adequate renal, liver, cardiac and pulmonary organ function
  5. Female subjects of childbearing potential and male subjects must agree to use acceptable method(s) of contraception from enrollment through at least 12 months after CTX120 infusion.

Key Exclusion Criteria:

  1. Prior allogeneic stem cell transplant (SCT).
  2. Less than 60 days from autologous SCT at time of screening and with unresolved serious complications.
  3. Prior treatment with any gene therapy or genetically modified cell therapy, including CAR T cells or natural killer cells, or BCMA-directed therapy.
  4. Evidence of direct central nervous system (CNS) involvement by multiple myeloma.
  5. History or presence of clinically relevant CNS pathology such as a seizure disorder, cerebrovascular ischemia/hemorrhage, dementia, cerebellar disease, any autoimmune disease with CNS involvement.
  6. Unstable angina, clinically significant arrhythmia, or myocardial infarction within 6 months of enrollment.
  7. Active HIV, hepatitis B virus or hepatitis C virus infection.
  8. Previous or concurrent malignancy, except basal cell or squamous cell skin carcinoma, adequately resected and in situ carcinoma of cervix, or a previous malignancy that was completely resected and has been in remission for ≥5 years.
  9. Use of systemic anti-tumor therapy or investigational agent within 14 days prior to enrollment.
  10. Primary immunodeficiency disorder or active autoimmune disease requiring steroids and/or other immunosuppressive therapy.
  11. Women who are pregnant or breastfeeding.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Sequential Assignment

Masking

None (Open label)

26 participants in 1 patient group

CTX120
Experimental group
Description:
Administered by IV infusion following lymphodepleting chemotherapy.
Treatment:
Biological: CTX120

Trial contacts and locations

10

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Data sourced from clinicaltrials.gov

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