MedPath

FT596 as a Monotherapy and in Combination With Anti-CD20 Monoclonal Antibodies

Phase 1
Terminated
Conditions
Lymphoma, B-Cell
Chronic Lymphocytic Leukemia
Interventions
Registration Number
NCT04245722
Lead Sponsor
Fate Therapeutics
Brief Summary

This is a Phase I dose-finding study of FT596 as monotherapy and in combination with Rituximab or Obinutuzumab in subjects with relapsed/refractory B-cell Lymphoma or Chronic Lymphocytic Leukemia. The study will consist of a dose-escalation stage and an expansion stage where participants will be enrolled into indication-specific cohorts.

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
98
Inclusion Criteria

Diagnosis of B-cell lymphoma or CLL as described below:

B-Cell Lymphoma:

  • Histologically documented lymphomas expected to express CD19 and CD20
  • Relapsed/refractory disease following prior systemic immunochemotherapy regimen

Chronic Lymphocytic Leukemia (CLL):

  • Diagnosis of CLL per iwCLL guidelines
  • Relapsed/refractory disease following at least two prior systemic treatment regimens

ALL SUBJECTS:

  • Capable of giving signed informed consent
  • Age ≥ 18 years old
  • Stated willingness to comply with study procedures and duration
  • Contraceptive use for women and men as defined in the protocol

Key

Exclusion Criteria

ALL SUBJECTS:

  • Females who are pregnant or breastfeeding
  • Eastern Cooperative Oncology Group (ECOG) Performance Status ≥2
  • Body weight <50 kg
  • Evidence of insufficient organ function
  • Receipt therapy within 2 weeks prior to Day 1 or five half-lives, whichever is shorter; or any investigational therapy within 28 days prior to Day 1
  • Currently receiving or likely to require systemic immunosuppressive therapy
  • Prior allogeneic hematopoietic stem cell transplant (HSCT) or allogeneic CAR-T within 6 months of Day 1, or ongoing requirement for systemic GvHD therapy
  • Receipt of an allograft organ transplant
  • Known active central nervous system (CNS) involvement by malignancy
  • Non-malignant CNS disease such as stroke, epilepsy, CNS vasculitis, or neurodegenerative disease
  • Clinically significant cardiovascular disease
  • Known HIV infection
  • Known active Hepatitis B (HBV) or Hepatitis C (HCV) infection
  • Live vaccine <6 weeks prior to start of lympho-conditioning
  • Known allergy to albumin (human) or DMSO

Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
FT596 Monotherapy, LymphomaFT596FT596 monotherapy in adult subjects with r/r B-cell Lymphoma
FT596 in Combination with Rituximab, LymphomaFludarabineFT596 in combination with Rituximab in adult subjects with r/r B-cell Lymphoma
FT596 Monotherapy, LymphomaCyclophosphamideFT596 monotherapy in adult subjects with r/r B-cell Lymphoma
FT596 Monotherapy, LymphomaFludarabineFT596 monotherapy in adult subjects with r/r B-cell Lymphoma
FT596 Monotherapy, LymphomaBendamustineFT596 monotherapy in adult subjects with r/r B-cell Lymphoma
FT596 in Combination with Rituximab, LymphomaFT596FT596 in combination with Rituximab in adult subjects with r/r B-cell Lymphoma
FT596 in Combination with Obinutuzumab, CLLBendamustineFT596 in combination with Obinutuzumab in adult subjects with r/r CLL
FT596 in Combination with Rituximab, LymphomaRituximabFT596 in combination with Rituximab in adult subjects with r/r B-cell Lymphoma
FT596 in Combination with Obinutuzumab, LymphomaFT596FT596 in combination with Obinutuzumab in adult subjects with r/r B-cell Lymphoma
FT596 in Combination with Obinutuzumab, LymphomaBendamustineFT596 in combination with Obinutuzumab in adult subjects with r/r B-cell Lymphoma
FT596 Monotherapy, CLLFT596FT596 monotherapy in adult subjects with r/r CLL
FT596 Monotherapy, CLLCyclophosphamideFT596 monotherapy in adult subjects with r/r CLL
FT596 Monotherapy, CLLFludarabineFT596 monotherapy in adult subjects with r/r CLL
FT596 Monotherapy, CLLBendamustineFT596 monotherapy in adult subjects with r/r CLL
FT596 in Combination with Obinutuzumab, CLLFT596FT596 in combination with Obinutuzumab in adult subjects with r/r CLL
FT596 in Combination with Obinutuzumab, CLLObinutuzumabFT596 in combination with Obinutuzumab in adult subjects with r/r CLL
FT596 in Combination with Obinutuzumab, CLLCyclophosphamideFT596 in combination with Obinutuzumab in adult subjects with r/r CLL
FT596 in Combination with Obinutuzumab, CLLFludarabineFT596 in combination with Obinutuzumab in adult subjects with r/r CLL
FT596 in Combination with Rituximab, LymphomaCyclophosphamideFT596 in combination with Rituximab in adult subjects with r/r B-cell Lymphoma
FT596 in Combination with Rituximab, LymphomaBendamustineFT596 in combination with Rituximab in adult subjects with r/r B-cell Lymphoma
FT596 in Combination with Obinutuzumab, LymphomaObinutuzumabFT596 in combination with Obinutuzumab in adult subjects with r/r B-cell Lymphoma
FT596 in Combination with Obinutuzumab, LymphomaCyclophosphamideFT596 in combination with Obinutuzumab in adult subjects with r/r B-cell Lymphoma
FT596 in Combination with Obinutuzumab, LymphomaFludarabineFT596 in combination with Obinutuzumab in adult subjects with r/r B-cell Lymphoma
Primary Outcome Measures
NameTimeMethod
Incidence of dose-limiting toxicities within each dose level cohortDay 29
Nature of dose-limiting toxicities within each dose level cohortDay 29
Incidence, nature, and severity of adverse events (AEs) of FT596 as monotherapy and in combination with rituximab or obinutuzumab in r/r B-cell lymphomas and r/r chronic lymphocytic leukemia, with severity determined according to NCI CTCAE, v5.0Up to 15 years
Secondary Outcome Measures
NameTimeMethod
Investigator-assessed objective-response rate (ORR)From baseline tumor assessment up to approximately 2 years after last dose of FT596

Proportion of subjects who achieve a partial response (PR) or complete response (CR) per Lugano 2014 classification for lymphomas, a partial remission (PR) or complete remission (CR) per revised iwCLL guidelines for CLL.

Investigator-assessed duration of objective response (DOR)Up to 15 years

Defined as the duration from the first occurrence of a documented objective response (DOR) until the time of disease progression or relapse, or death from any cause, whichever occurs first, per Lugano 2014 classification for lymphomas or revised iwCLL guidelines for CLL.

Investigator-assessed duration of complete response (DoCR)Up to 15 years

Defined as the duration from the first occurrence of a documented complete response (CR) per Lugano 2014 classification for lymphomas or complete remission (CR) per revised iwCLL guidelines for CLL, until the time of disease progression or relapse, or death from any cause, whichever occurs first.

Progression-free survival (PFS)Up to 15 years

Defined as the time from from first dose of lympho-conditioning to progressive disease (PD), or to the day of death for any reason, whichever occurs earlier, based on Lugano 2014 classification for lymphomas or revised iwCLL guidelines for CLL

Overall survival (OS), defined as the time from first dose of lympho-conditioning to death from any cause.Up to 15 years
The pharmacokinetics of FT596 in peripheral blood will be reported as the relative percentage of product (FT596) DNA versus patient DNA (% chimerism) measured from blood samples at the specified time pointsStudy Days: 1, 2, 4, 8, 11, 15, 18, 22, 29

Trial Locations

Locations (9)

The University of Chicago

🇺🇸

Chicago, Illinois, United States

University of Minnesota Masonic Cancer Center

🇺🇸

Minneapolis, Minnesota, United States

MD Anderson Cancer Center

🇺🇸

Houston, Texas, United States

Sarah Cannon Research Institute (Tennessee Oncology)

🇺🇸

Nashville, Tennessee, United States

Washington University School of Medicine

🇺🇸

Saint Louis, Missouri, United States

NYU Langone Health

🇺🇸

New York, New York, United States

Memorial Sloan Kettering Cancer Center

🇺🇸

New York, New York, United States

SCRI-TTI

🇺🇸

San Antonio, Texas, United States

Swedish Cancer Institute

🇺🇸

Seattle, Washington, United States

© Copyright 2025. All Rights Reserved by MedPath