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Phase I, multicenter, dose‐escalation study of avadomide in adult Japanese patients with advanced malignancies
Author(s) -
Hatake Kiyohiko,
Chou Takaaki,
Doi Toshihiko,
Terui Yasuhito,
Kato Harumi,
Hirose Takayuki,
Seo Sachiko,
Pourdehnad Michael,
Ogaki Yumi,
Fujimoto Hiroshi,
Hagner Patrick R.,
Yamamoto Kazuhito
Publication year - 2021
Publication title -
cancer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.035
H-Index - 141
eISSN - 1349-7006
pISSN - 1347-9032
DOI - 10.1111/cas.14704
Subject(s) - medicine , adverse effect , clinical endpoint , refractory (planetary science) , progressive disease , gastroenterology , peripheral edema , lymphoma , oncology , lenalidomide , clinical trial , multiple myeloma , chemotherapy , physics , astrobiology
Non‐Hodgkin lymphoma (NHL) treated with chemoimmunotherapy has limited efficacy in some patients, resulting in relapsed or refractory disease. Avadomide (CC‐122) is a novel cereblon‐binding agent that exhibits antilymphoma and immune‐modulation activities with a biological profile distinct from similar agents, such as lenalidomide. This phase I multicenter study evaluated avadomide in Japanese patients with advanced solid tumors or NHL. Fourteen patients with NHL and one with a solid tumor (esophageal carcinoma), were enrolled in four dose‐escalation cohorts using a 3 + 3 design. Primary endpoints included safety, dose‐limiting toxicities (DLT), maximum‐tolerated dose and/or recommended phase II dose (RP2D), and pharmacokinetics. Secondary endpoints included overall response rate (ORR) and duration of response. One patient with NHL experienced DLT, which included face edema, pharyngeal edema, and tumor flare (all grade 1) that led to a dose reduction. Eleven patients had grade ≥3 treatment‐emergent adverse events, most frequently decreased neutrophil count (33%) and decreased lymphocyte count (20%). The ORR in patients with NHL (n = 13) was 54%, including four complete and three partial responses. The best response for the solid tumor patient was progressive disease. Avadomide dose intensity was consistent across cohorts, and the 3‐mg dose given five consecutive days/week was established as the RP2D. This phase I study identified a tolerable dose of avadomide, with an acceptable toxicity profile and clinically meaningful efficacy in Japanese patients with previously treated NHL.

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