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Disease
Sezary Syndrome
Late-stage therapeutic developmentEmerging research
1
Publications
18
Clinical trials
2024
Latest publication
Latest activity
betaRecent clinical, regulatory, research and industry developments relating to this disease.
Research2024-03-28Cells
Approval: Poteligeo (EMA)
Regulatory2018-11-22EMA
What's happening now
An analyst briefing on current research, clinical, regulatory and industry activity surrounding this disease.
Executive briefingUpdating summary…Momentum: Moderate
Key developments
- 6 clinical trials expected to report results, the earliest in Q4 2026.
Upcoming Milestones
- Q4 2026A Phase 2 Single Center, Single Arm, Open Label Mogamulizumab Combined Upfront With Low Dose Total Skin Electron Beam Therapy (LD TSEBT) in Patients With Mycosis Fungoides (MF) and Sézary Syndrome (SS)
- Q4 2026A Phase I Study With an Expansion Cohort of Duvelisib and Nivolumab in Mycosis Fungoides (MF) and Sézary Syndrome (SS)
- Q4 2026A Phase II Study of Pembrolizumab and Mogamulizumab in Advanced-stage, Relapsed/Refractory Cutaneous T-cell Lymphomas
- Q3 2027A Phase II Study of Talimogene Laherparepvec Followed by Talimogene Laherparepvec + Nivolumab in Refractory T Cell and NK Cell Lymphomas, Cutaneous Squamous Cell Carcinoma, Merkel Cell Carcinoma, and Other Rare Skin Tumors
- Q3 2027Optimizing Dosing of Brentuximab Vedotin for Mycosis Fungoides, Sezary Syndrome, and Lymphomatoid Papulosis
Major developments
Upcoming trial readoutHigh impact
Results expected Q4 20262026-07-01
Upcoming trial readoutImportant
Results expected Q3 20272026-05-13
Clinical MilestonesViewHide
Results expected
- 2026-07-01A Phase 2 Single Center, Single Arm, Open Label Mogamulizumab Combined Upfront With Low Dose Total Skin Electron Beam Therapy (LD TSEBT) in Patients With Mycosis Fungoides (MF) and Sézary Syndrome (SS)Results expected Q4 2026
- 2026-06-23A Phase I Study With an Expansion Cohort of Duvelisib and Nivolumab in Mycosis Fungoides (MF) and Sézary Syndrome (SS)Results expected Q4 2026
- 2026-05-13A Phase II Study of Talimogene Laherparepvec Followed by Talimogene Laherparepvec + Nivolumab in Refractory T Cell and NK Cell Lymphomas, Cutaneous Squamous Cell Carcinoma, Merkel Cell Carcinoma, and Other Rare Skin TumorsResults expected Q3 2027
- 2026-05-05A Phase II Study of Pembrolizumab and Mogamulizumab in Advanced-stage, Relapsed/Refractory Cutaneous T-cell LymphomasResults expected Q4 2026
- 2026-04-03Optimizing Dosing of Brentuximab Vedotin for Mycosis Fungoides, Sezary Syndrome, and Lymphomatoid PapulosisResults expected Q3 2027
Other updates
Activity timeline7
- 2026-07-01ClinicalA Phase 2 Single Center, Single Arm, Open Label Mogamulizumab Combined Upfront With Low Dose Total Skin Electron Beam Therapy (LD TSEBT) in Patients With Mycosis Fungoides (MF) and Sézary Syndrome (SS)Results expected Q4 2026
- 2026-06-23ClinicalA Phase I Study With an Expansion Cohort of Duvelisib and Nivolumab in Mycosis Fungoides (MF) and Sézary Syndrome (SS)Results expected Q4 2026
- 2026-06-01ClinicalA Prospective, Multicenter, Single-Arm Cohort Study of Photopheresis in the Treatment of Erythrodermic MF and SSWithdrawn
- 2026-05-13ClinicalA Phase II Study of Talimogene Laherparepvec Followed by Talimogene Laherparepvec + Nivolumab in Refractory T Cell and NK Cell Lymphomas, Cutaneous Squamous Cell Carcinoma, Merkel Cell Carcinoma, and Other Rare Skin TumorsResults expected Q3 2027
- 2026-05-05ClinicalA Phase II Study of Pembrolizumab and Mogamulizumab in Advanced-stage, Relapsed/Refractory Cutaneous T-cell LymphomasResults expected Q4 2026
- 2026-04-03ClinicalOptimizing Dosing of Brentuximab Vedotin for Mycosis Fungoides, Sezary Syndrome, and Lymphomatoid PapulosisResults expected Q3 2027
- 2025-10-14ClinicalA Phase II Study of Combination Extracorporeal Photopheresis (ECP) and Mogamulizumab in Erythrodermic CTCLResults expected Q2 2028
Clinical trials
The current development programme across all trial phases.
Clinical programme
18
6
3
6
Late-stage studies
Recruiting
Recently completed
Research activity
Key research shaping understanding of this disease, combining the latest publications with the most influential evidence.
Most influential
Major themes4
- Lymphoma, T-Cell, Cutaneous1
- Mycosis Fungoides1
- Sezary Syndrome1
- Skin Neoplasms1
Leading journals1
- Cells1
Leading researchers6
- Agostinelli C1
- Guglielmo A1
- Motta G1
- Pileri A1
- Sabattini E1
- Zengarini C1
Affiliations (unnormalised)3
- Institute of Dermatology1
- IRCCS Azienda Ospedaliero-Universitaria di Bologna1
- University of Bologna1
Reference
Authoritative identity, definition & identifiers.
Defined in MeSH
A form of cutaneous T-cell lymphoma manifested by generalized exfoliative ERYTHRODERMA; PRURITUS; peripheral lymphadenopathy, and abnormal hyperchromatic mononuclear (cerebriform) cells in the skin, LYMPH NODES, and peripheral blood (Sezary cells).
Identifiers
References & data sources
- Disease identity & definition — NLM Medical Subject Headings (MeSH), public domain
- Clinical trials — ClinicalTrials.gov (U.S. National Library of Medicine)
- Research activity — Europe PMC (EMBL-EBI) + OpenAlex-derived paper links
- Related entities are derived from literature co-mention (studied together) — associative, not causal.