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
- Diseases
- Follicular lymphoma
- 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
Sites (7)
Sites in registry order. Save your city in your profile to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| St. Davids South Austin Medical Center Coordinator of this site? Confirm its status | Austin | United States | Unknown status |
| Colorado Blood Cancer Institute Coordinator of this site? Confirm its status | Denver | United States | Unknown status |
| Banner MD Anderson Cancer Center Coordinator of this site? Confirm its status | Gilbert | United States | Unknown status |
| MD Anderson Coordinator of this site? Confirm its status | Houston | United States | Unknown status |
| Norton Cancer Institute Coordinator of this site? Confirm its status | Louisville | United States | Unknown status |
| Stanford University Coordinator of this site? Confirm its status | Stanford | United States | Unknown status |
| Moffitt Cancer Center Coordinator of this site? Confirm its status | Tampa | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.