Phase 2 Lymphoma Trial, Recruiting NCT05607420 Sponsor: Cellectis S.A. Condition: Lymphoma
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Phase 2 Lymphoma Trial, Recruiting

NCT05607420
Recruiting Phase 2

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • People who are generally well enough to carry out daily activities with little to no limitation (measured by a standard scale called ECOG, scoring 0 or 1)
  • People diagnosed with a type of B-cell lymphoma (a blood cancer) that has come back or stopped responding to treatment, and whose cancer cells test positive for proteins called CD20 and/or CD22
  • People with specific subtypes of B-cell lymphoma as defined by the World Health Organization (WHO) — the exact subtypes that are eligible depend on which part of the trial a person is being considered for (confirm with trial site)
  • People whose lymphoma has returned or stopped responding after at least 2 previous lines of treatment, which must have included specific types of treatment depending on their lymphoma subtype (confirm with trial site which prior treatments are required for each subtype)
  • People whose lymphoma subtype has an approved CAR T-cell therapy available, who have already received it — or people who were unable to receive it for medical reasons such as difficulty collecting cells, inability to wait for the process, or having CD19-negative disease
  • People considered at high risk of prolonged blood cell recovery who have their own stem cells stored and available before starting the treatment regimen

Who may not be able to join:

  • People who have recently taken an experimental treatment (other than cell/gene therapies or certain antibody treatments) within 14 days or 5 half-lives before starting the trial regimen, whichever is shorter
  • People who have recently received approved chemotherapy, biological therapy (other than certain antibodies), or targeted therapy within 14 days or 5 half-lives before starting the trial regimen, whichever is shorter
  • People who have had more than 4 previous lines of treatment for their lymphoma
  • People who received certain antibody-based therapies within 30 days before starting the trial regimen
  • People who received immune-stimulating treatments within 3 half-lives before starting the trial regimen
  • People who received any cell or gene therapy within 6 months before starting the trial regimen
  • People who have previously received cell or gene therapy that targeted both CD20 and CD22 at the same time
  • People who received their own stem cell transplant within 6 weeks before starting the trial regimen
  • People who received a donor stem cell transplant within 3 months, or donor immune cells within 6 weeks, before starting the trial regimen
  • People who have active graft-versus-host disease (a complication from donor transplants), or who have not been off all immune-suppressing medications for at least 6 weeks
  • People who received radiation therapy within 8 weeks before starting the trial regimen (except limited palliative radiation to specific areas)
  • People with lymphoma that is currently active in the brain or spinal cord, or that has previously spread there
  • People with an active and significant disorder affecting the brain or nervous system
  • People taking more than 20 mg per day of prednisone (a steroid) or an equivalent dose of another steroid
  • People with a known active infection of any kind (bacterial, viral, fungal, or other), or a reactivation of a previous infection
  • People with a history of severe allergic reaction to a drug called alemtuzumab
  • People who have developed antibodies that neutralise alemtuzumab
  • People with an uncontrolled heart or blood vessel condition within the 3 months before joining
  • People who currently need ongoing immune-suppressing treatment
  • People who had major surgery within 28 days before starting the trial regimen
  • People with another uncontrolled cancer diagnosed within the past 2 years (with the exception of certain early-stage skin cancers or early cervical cell changes)

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 15 July 2026
Phase 2: approximately ~30% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Principal Investigator: Jeremy Abramson, MD, Harvard Medical School - Massachusetts General

Phone: +1 917 580-1088

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Phase 2
Sponsor
Cellectis S.A.
Registry
ClinicalTrials.gov
Start date
1 November 2022
Est. completion
1 August 2027

Where this trial is recruiting

🇫🇷 France 🇪🇸 Spain 🇺🇸 United States

Primary endpoints

Dose finding and expansion parts: Incidence of adverse events/serious adverse events/dose limiting toxicity [Safety and Tolerability]; Dose finding part: Occurrence of Dose Limiting Toxicities (DLTs)

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 15 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov