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ClinicalTrials.gov 5 recruiting now official registry

Sezary Syndrome clinical trials

Every US clinical trial registered for Sezary Syndrome — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.

13 US clinical trials · 5 currently recruiting

The research picture

Sezary Syndrome has 13 registered US clinical trials, 5 of them open to new participants right now — about 38% of the total.

5
recruiting participants now
38%
of trials open to enrollment
1
in Phase 3–4 (later-stage)
2
top sponsor: City of Hope Medical Center

Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.

Active & Recent Trials

RECRUITING 200 participants

Blood, Urine, and Tissue Collection for Cutaneous Lymphoma, Eczema, and Atopic Dermatitis Research

University of Pittsburgh

NCT00177268

RECRUITING Phase 2 58 participants

Dosing of Brentuximab Vedotin for Mycosis Fungoides, Sezary Syndrome Patients

Memorial Sloan Kettering Cancer Center

NCT03587844

RECRUITING Phase 2 34 participants

Extracorporeal Photopheresis and Mogamulizumab for the Treatment of Erythrodermic Cutaneous T Cell Lymphoma

City of Hope Medical Center

NCT04930653

RECRUITING Phase 2 30 participants

Mogamulizumab + Low-Dose Total Skin Electron Beam Tx in Mycosis Fungoides & Sézary Syndrome

Stanford University

NCT04256018

RECRUITING 20 participants

Extracorporeal Photopheresis in Sezary Syndrome

Oleg E. Akilov, MD, PhD

NCT05157581

ACTIVE NOT RECRUITING Phase 1 43 participants

Study of CAR-T Cells Expressing CD30 and CCR4 for r/r CD30+ HL and CTCL

UNC Lineberger Comprehensive Cancer Center

NCT03602157

ACTIVE NOT RECRUITING Phase 1 38 participants

Durvalumab With or Without Lenalidomide in Treating Patients With Relapsed or Refractory Cutaneous or Peripheral T Cell Lymphoma

City of Hope Medical Center

NCT03011814

ACTIVE NOT RECRUITING Phase 1 24 participants

Tulmimetostat (DZR123) in Patients With Mycosis Fungoides and Sézary Syndrome

Washington University School of Medicine

NCT05944562

ACTIVE NOT RECRUITING Phase 2 14 participants

Pembrolizumab in Combination With Gemcitabine in People With Advanced Mycosis Fungoides or Sézary Syndrome

Memorial Sloan Kettering Cancer Center

NCT04960618

COMPLETED Phase 4 195 participants

Study of ONTAK (Denileukin Diftitox) in Cutaneous T-Cell Lymphoma (CTCL) Patients

Eisai

NCT00050999

COMPLETED 10 participants

Effect of Denileukin Diftitox on Immune System in CTCL Patients

University of Pittsburgh

NCT00254332

COMPLETED Phase 2 6 participants

Letermovir for the Prevention of Cytomegalovirus Reactivation in Patients With Hematological Malignancies Treated With Alemtuzumab

Ohio State University Comprehensive Cancer Center

NCT04312841

COMPLETED Phase 1 5 participants

Stem Cell Transplant Therapy With Campath-1H for Treating Advanced Mycosis Fungoides and Sezary Syndrome

National Heart, Lung, and Blood Institute (NHLBI)

NCT00047060

Phase Distribution

PhaseTrial count
Phase 1 4
Phase 2 5
Phase 4 1

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Sezary Syndrome Trial Landscape

ClinicalTrials.gov lists 13 US studies indexed under Sezary Syndrome, and 5 of those are currently open to recruitment — roughly 38% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Sezary Syndrome shows 1 late-stage studies (Phase 3 and Phase 4 combined) alongside 9 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Sezary Syndrome is led by City of Hope Medical Center with 2 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 13 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Sezary Syndrome?

PlainTrial tracks 13 US clinical trials for Sezary Syndrome, of which 5 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Sezary Syndrome?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

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