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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Clin+Oncol
2016 ; 34
(26
): 3166-74
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gab.com Text
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Phase IB Study of Selinexor, a First-in-Class Inhibitor of Nuclear Export, in
Patients With Advanced Refractory Bone or Soft Tissue Sarcoma
#MMPMID27458288
Gounder MM
; Zer A
; Tap WD
; Salah S
; Dickson MA
; Gupta AA
; Keohan ML
; Loong HH
; D'Angelo SP
; Baker S
; Condy M
; Nyquist-Schultz K
; Tanner L
; Erinjeri JP
; Jasmine FH
; Friedlander S
; Carlson R
; Unger TJ
; Saint-Martin JR
; Rashal T
; Ellis J
; Kauffman M
; Shacham S
; Schwartz GK
; Abdul Razak AR
J Clin Oncol
2016[Sep]; 34
(26
): 3166-74
PMID27458288
show ga
PURPOSE: We evaluated the pharmacokinetics (PKs), pharmacodynamics, safety, and
efficacy of selinexor, an oral selective inhibitor of nuclear export compound, in
patients with advanced soft tissue or bone sarcoma with progressive disease.
PATIENTS AND METHODS: Fifty-four patients were treated with oral selinexor twice
per week (on days 1 and 3) at one of three doses (30 mg/m(2), 50 mg/m(2), or flat
dose of 60 mg) either continuously or on a schedule of 3 weeks on, 1 week off. PK
analysis was performed under fasting and fed states (low v high fat content) and
using various formulations of selinexor (tablet, capsule, or suspension). Tumor
biopsies before and during treatment were evaluated for pharmacodynamic changes.
RESULTS: The most commonly reported drug-related adverse events (grade 1 or 2)
were nausea, vomiting, anorexia, and fatigue, which were well managed with
supportive care. Commonly reported grade 3 or 4 toxicities were fatigue,
thrombocytopenia, anemia, lymphopenia, and leukopenia. Selinexor was
significantly better tolerated when administered as a flat dose on an
intermittent schedule. PK analysis of selinexor revealed a clinically
insignificant increase (approximately 15% to 20%) in drug exposure when taken
with food. Immunohistochemical analysis of paired tumor biopsies revealed
increased nuclear accumulation of tumor suppressor proteins, decreased cell
proliferation, increased apoptosis, and stromal deposition. Of the 52 patients
evaluable for response, none experienced an objective response by RECIST (version
1.1); however, 17 (33%) showed durable (? 4 months) stable disease, including
seven (47%) of 15 evaluable patients with dedifferentiated liposarcoma.
CONCLUSION: Selinexor was well tolerated at a 60-mg flat dose on a 3-weeks-on,
1-week-off schedule. There was no clinically meaningful impact of food on PKs.
Preliminary evidence of anticancer activity in sarcoma was demonstrated.