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NCT03939026CompletedPhase 1

Safety and Efficacy of ALLO-501 Anti-CD19 Allogeneic CAR T Cells in Adults With Relapsed/Refractory Large B Cell or Follicular Lymphoma

A Single-Arm, Open-Label, Phase 1 Study Evaluating the Safety, Efficacy, and Cellular Kinetics/Pharmacodynamics of ALLO-501, an Anti-CD19 Allogeneic CAR T Cell Therapy, And ALLO-647, An Anti-CD52 Monoclonal Antibody, in Patients With Relapsed/Refractory Large B-Cell Lymphoma or Follicular Lymphoma

Source: ClinicalTrials.gov · Last updated 2 Mar 2026

Brief summary (registry, in English)

The purpose of the ALPHA study is to assess the safety, efficacy, cell kinetics and immunogenicity of ALLO-501 in adults with relapsed or refractory large B-cell lymphoma or follicular lymphoma after a lymphodepletion regimen comprising fludarabine, cyclophosphamide, and ALLO-647.

Status (registry)
Completed
Phase (registry)
Phase 1
Study type
Interventional
Enrollment
50 (actual)
First submitted
4 Apr 2019
Start date
1 May 2019
Primary completion date
23 Oct 2021
Lead sponsor
Allogene Therapeutics
NCT number
NCT03939026

What you commit to

  • Study type: Interventional · Phase 1
  • Participants enrolled: 50
  • From 1 May 2019 to the primary completion date, 23 Oct 2021
  • 7 sites in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • ASCT within last 6 weeks or allogeneic HSCT within last 3 months prior to ALLO-647.
  • Prior treatment with anti-CD19 therapy, any gene therapy, any genetically modified cell therapy or adoptive T cell therapy
  • Systemic anticancer therapy within 2 weeks prior to study entry.
  • On-going treatment with immunosuppressive agents.

Other illness

  • Current or history of central nervous system (CNS) lymphoma.
  • Active acute or chronic graft versus host disease (GvHD), or GvHD requiring immunosuppressive treatment within 4 weeks of enrollment.
  • Any form of primary or acquired immunodeficiency (e.g., severe combined immunodeficiency disease).
  • Current thyroid disorder (including hyperthyroidism), except for subjects with hypothyroidism controlled on a stable dose of hormone replacement therapy.

Other

  • Clinically significant CNS dysfunction.
  • Patients unwilling to participate in an extended safety monitoring period

Who the study is looking for

  • Histological or cytological diagnosis of Large B-cell Lymphoma (LBCL) or Follicular Lymphoma.
  • Relapse or refractory disease after at least 2 lines of chemotherapy
  • At least 1 measurable lesion at time of screening.
  • Eastern Cooperative Oncology Group Performance Status of 0 or 1.
  • Adequate hematological, renal, liver, pulmonary, and cardiac functions.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (7)

Sites in registry order. Save your city in your profile to sort them by distance.

SiteCityCountrySite status
St. Davids South Austin Medical Center
Coordinator of this site? Confirm its status
AustinUnited StatesUnknown status
Colorado Blood Cancer Institute
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DenverUnited StatesUnknown status
Banner MD Anderson Cancer Center
Coordinator of this site? Confirm its status
GilbertUnited StatesUnknown status
MD Anderson
Coordinator of this site? Confirm its status
HoustonUnited StatesUnknown status
Norton Cancer Institute
Coordinator of this site? Confirm its status
LouisvilleUnited StatesUnknown status
Stanford University
Coordinator of this site? Confirm its status
StanfordUnited StatesUnknown status
Moffitt Cancer Center
Coordinator of this site? Confirm its status
TampaUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.