Publication Date:
2018-11-29
Description:
Background: CTCL represents a rare group of non-Hodgkin lymphomas with substantial negative impact on patient (pt) quality of life and mortality in advanced-stage disease. Mycosis fungoides (MF), the most common subtype of CTCL, and the rarer leukemic variant Sézary syndrome (SS) are distinct subtypes of CTCL. Mogamulizumab is a first-in-class, defucosylated monoclonal antibody directed against C-C chemokine receptor 4 (CCR4), which is highly expressed on malignant T-cells in CTCL. Primary results from the MAVORIC study (data cut-off December 2016), a phase 3 trial comparing mogamulizumab to FDA-approved vorinostat in adults with relapsed/refractory MF/SS, showed mogamulizumab significantly prolonged median progression-free survival compared with vorinostat (7.7 vs 3.1 months, P351 d was defined as cut-off for long-term exposure. Baseline characteristics across exposure groups are shown in the Table. Significant trends were observed for baseline Eastern Cooperative Oncology Group performance status (ECOG PS; P=0.04), disease type (P=0.03), and blood involvement (defined as ≥B1 per Olsen et al J Clin Oncol 2011; P351 d of exposure to mogamulizumab were drug eruption (9/45 [20%]), thrombocytopenia (5/45 [11%]), stomatitis (4/45 [9%]), and anemia (4/45 [9%]). Conclusions: This follow-up analysis of the phase 3 MAVORIC study demonstrated mogamulizumab treatment of pts with MF/SS for approximately 1 year was not associated with an increased safety risk. Significant long-term clinical benefit was observed in pts with blood involvement at baseline, regardless of CCR4 expression status. A higher proportion of pts who had long-term (〉351 days) exposure attained confirmed global response versus those who had less exposure. Disclosures Bagot: Takeda: Membership on an entity's Board of Directors or advisory committees; Innate Pharma: Consultancy, Equity Ownership, Membership on an entity's Board of Directors or advisory committees; Kyowa Kirin: Membership on an entity's Board of Directors or advisory committees; Actelion: Membership on an entity's Board of Directors or advisory committees. Dalle:Kyowa Hakko Kirin Pharmaceutical: Research Funding. Sokol:Mallinckrodt Pharmaceuticals: Consultancy; Seattle Genetics: Consultancy; Spectrum Pharmaceuticals: Consultancy. Tsianakas:Kyowa Kirin: Research Funding. Musiek:Seattle Genetics: Honoraria; Kyowa Kirin: Honoraria; Actelion: Other: Scientific Advisory Committee . Ortiz-Romero:Innate Pharma: Consultancy; Takeda: Consultancy; MEDA: Research Funding; Actelion: Consultancy; 4SC: Consultancy. Poligone:Johnson and Johnson: Research Funding; Kyowa Hakko Kirin: Research Funding; Soligenix: Research Funding; Mallinckrodt: Speakers Bureau; Stemline Therapeutics: Honoraria; Seattle Genetics: Honoraria. Duvic:Clinical Care Options: Consultancy; Soligenix, Inc.: Membership on an entity's Board of Directors or advisory committees, Research Funding; Mallinckrddt Pharmaceuticals (formerly Therakos): Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; Huron Consulting Group: Consultancy; Taiwan Liposome Company LTD: Consultancy; Rhizen Pharma: Research Funding; Seattle Genetics: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; Kyowa Hakko Kirin, Co: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; Precision Oncology, LLC: Membership on an entity's Board of Directors or advisory committees; Eisai: Research Funding; UT MD Anderson Cancer Center: Employment; Dr. Reddy's Laboratories (A.K.A. Promius Pharma): Consultancy; Defined Health: Consultancy; Medivir AB: Membership on an entity's Board of Directors or advisory committees; Medscape: Other: Speaker/Preceptor; Guidepoint Global: Consultancy; Jonathan Wood & Associates: Other: Speaker; Celgene Corp: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees; Evidera, Inc.: Consultancy; Kiniksa Pharmaceuticals: Consultancy; MEDACorp: Consultancy; The Lynx Group: Consultancy; Spatz Foundation: Research Funding; Forty Seven, Inc.: Membership on an entity's Board of Directors or advisory committees; Shape: Research Funding; Aclaris Therapeutics Int'l Ltd.: Honoraria, Membership on an entity's Board of Directors or advisory committees; Cell Medica Inc.: Consultancy, Honoraria; Allos: Research Funding; American Council on Extracorporeal Photopheresis (ACE): Membership on an entity's Board of Directors or advisory committees; Concert Pharmaceuticals, Inc.: Consultancy; Millennium Pharmaceuticals, Inc.: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; MiRagen Therapeutics: Consultancy; Huya Bioscience Int'l: Consultancy; Array Biopharma: Consultancy, Honoraria; Oncoceuticals: Research Funding; Tetralogics: Research Funding. Elmets:NCI: Research Funding; Veterans Administration: Research Funding; California Wine Grape Association: Research Funding; Soligenix: Research Funding; Elorac: Research Funding; Leo Pharma: Other: Data and Safety Monitoring Board. Leoni:Kyowa Kirin: Employment. Dwyer:Kyowa Kirin: Employment. Sun:Kyowa Kirin: Employment. Nikonova:Kyowa Kirin: Employment. Kim:miRagen: Research Funding; Forty Seven Inc: Research Funding; Kyowa-Kirin-Pharma: Membership on an entity's Board of Directors or advisory committees, Research Funding; Innate Pharma: Consultancy, Membership on an entity's Board of Directors or advisory committees, Research Funding; Horizon Pharma: Consultancy, Research Funding; Merck: Research Funding; Soligenix: Research Funding; Eisai: Membership on an entity's Board of Directors or advisory committees, Research Funding; Medivir: Membership on an entity's Board of Directors or advisory committees; Neumedicine: Consultancy, Research Funding; Portola: Research Funding; Seattle Genetics: Membership on an entity's Board of Directors or advisory committees; Galderma: Research Funding; Takeda: Membership on an entity's Board of Directors or advisory committees, Research Funding; Tetralogic: Research Funding.
Print ISSN:
0006-4971
Electronic ISSN:
1528-0020
Topics:
Biology
,
Medicine
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