Eltrombopag with gemcitabine‐based chemotherapy in patients with advanced solid tumors: a randomized phase I study

Preventing chemotherapy‐induced thrombocytopenia could avoid chemotherapy dose reductions and delays. The safety and maximum tolerated dose of eltrombopag, an oral thrombopoietin receptor agonist, with gemcitabine‐based therapy was evaluated. Patients with advanced solid tumors and platelets ≤300 × ...

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Veröffentlicht in:Cancer medicine (Malden, MA) MA), 2015-01, Vol.4 (1), p.16-26
Hauptverfasser: Winer, Eric S., Safran, Howard, Karaszewska, Boguslawa, Richards, Donald A., Hartner, Lee, Forget, Frederic, Ramlau, Rodryg, Kumar, Kirushna, Mayer, Bhabita, Johnson, Brendan M., Messam, Conrad A., Mostafa Kamel, Yasser
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container_issue 1
container_start_page 16
container_title Cancer medicine (Malden, MA)
container_volume 4
creator Winer, Eric S.
Safran, Howard
Karaszewska, Boguslawa
Richards, Donald A.
Hartner, Lee
Forget, Frederic
Ramlau, Rodryg
Kumar, Kirushna
Mayer, Bhabita
Johnson, Brendan M.
Messam, Conrad A.
Mostafa Kamel, Yasser
description Preventing chemotherapy‐induced thrombocytopenia could avoid chemotherapy dose reductions and delays. The safety and maximum tolerated dose of eltrombopag, an oral thrombopoietin receptor agonist, with gemcitabine‐based therapy was evaluated. Patients with advanced solid tumors and platelets ≤300 × 109/L receiving gemcitabine plus cisplatin or carboplatin (Group A) or gemcitabine monotherapy (Group B) were randomized 3:1 to receive eltrombopag or placebo at a starting dose of 100 mg daily administered on days −5 to −1 and days 2–6 starting from cycle 2 of treatment. Nineteen patients (Group A, n = 9; Group B, n = 10) received eltrombopag 100 mg and seven (Group A, n = 3; Group B, n = 4) received matching placebo. Nine eltrombopag patients in Group A and eight in Group B had 38 and 54 occurrences of platelet counts ≥400 × 109/L, respectively. Mean platelet nadirs across cycles 2–6 were 115 × 109/L and 143 × 109/L for eltrombopag‐treated patients versus 53 × 109/L and 103 × 109/L for placebo‐treated patients in Groups A and B, respectively. No dose‐limiting toxicities were reported for eltrombopag; however, due to several occurrences of thrombocytosis, a decision was made not to dose‐escalate eltrombopag to >100 mg daily. In Groups A and B, 14% of eltrombopag versus 50% of placebo patients required chemotherapy dose reductions and/or delays for any reason across cycles 3–6. Eltrombopag 100 mg once daily administered 5 days before and after day 1 of chemotherapy was well tolerated with an acceptable safety profile, and will be further tested in a phase II trial. Fewer patients receiving eltrombopag required chemotherapy dose delays and/or reductions compared with those receiving placebo. Eltrombopag, an oral thrombopoietin receptor agonist, was administered in patients receiving treatment with gemcitabine‐based therapy. Fewer patients receiving eltrombopag required chemotherapy dose delays and/or reductions compared with those receiving placebo. Eltrombopag was well tolerated with an acceptable safety profile, and will be further tested.
doi_str_mv 10.1002/cam4.326
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The safety and maximum tolerated dose of eltrombopag, an oral thrombopoietin receptor agonist, with gemcitabine‐based therapy was evaluated. Patients with advanced solid tumors and platelets ≤300 × 109/L receiving gemcitabine plus cisplatin or carboplatin (Group A) or gemcitabine monotherapy (Group B) were randomized 3:1 to receive eltrombopag or placebo at a starting dose of 100 mg daily administered on days −5 to −1 and days 2–6 starting from cycle 2 of treatment. Nineteen patients (Group A, n = 9; Group B, n = 10) received eltrombopag 100 mg and seven (Group A, n = 3; Group B, n = 4) received matching placebo. Nine eltrombopag patients in Group A and eight in Group B had 38 and 54 occurrences of platelet counts ≥400 × 109/L, respectively. Mean platelet nadirs across cycles 2–6 were 115 × 109/L and 143 × 109/L for eltrombopag‐treated patients versus 53 × 109/L and 103 × 109/L for placebo‐treated patients in Groups A and B, respectively. No dose‐limiting toxicities were reported for eltrombopag; however, due to several occurrences of thrombocytosis, a decision was made not to dose‐escalate eltrombopag to &gt;100 mg daily. In Groups A and B, 14% of eltrombopag versus 50% of placebo patients required chemotherapy dose reductions and/or delays for any reason across cycles 3–6. Eltrombopag 100 mg once daily administered 5 days before and after day 1 of chemotherapy was well tolerated with an acceptable safety profile, and will be further tested in a phase II trial. Fewer patients receiving eltrombopag required chemotherapy dose delays and/or reductions compared with those receiving placebo. Eltrombopag, an oral thrombopoietin receptor agonist, was administered in patients receiving treatment with gemcitabine‐based therapy. Fewer patients receiving eltrombopag required chemotherapy dose delays and/or reductions compared with those receiving placebo. 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Cancer Medicine published by John Wiley &amp; Sons Ltd.</rights><rights>2015. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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The safety and maximum tolerated dose of eltrombopag, an oral thrombopoietin receptor agonist, with gemcitabine‐based therapy was evaluated. Patients with advanced solid tumors and platelets ≤300 × 109/L receiving gemcitabine plus cisplatin or carboplatin (Group A) or gemcitabine monotherapy (Group B) were randomized 3:1 to receive eltrombopag or placebo at a starting dose of 100 mg daily administered on days −5 to −1 and days 2–6 starting from cycle 2 of treatment. Nineteen patients (Group A, n = 9; Group B, n = 10) received eltrombopag 100 mg and seven (Group A, n = 3; Group B, n = 4) received matching placebo. Nine eltrombopag patients in Group A and eight in Group B had 38 and 54 occurrences of platelet counts ≥400 × 109/L, respectively. Mean platelet nadirs across cycles 2–6 were 115 × 109/L and 143 × 109/L for eltrombopag‐treated patients versus 53 × 109/L and 103 × 109/L for placebo‐treated patients in Groups A and B, respectively. No dose‐limiting toxicities were reported for eltrombopag; however, due to several occurrences of thrombocytosis, a decision was made not to dose‐escalate eltrombopag to &gt;100 mg daily. In Groups A and B, 14% of eltrombopag versus 50% of placebo patients required chemotherapy dose reductions and/or delays for any reason across cycles 3–6. Eltrombopag 100 mg once daily administered 5 days before and after day 1 of chemotherapy was well tolerated with an acceptable safety profile, and will be further tested in a phase II trial. Fewer patients receiving eltrombopag required chemotherapy dose delays and/or reductions compared with those receiving placebo. Eltrombopag, an oral thrombopoietin receptor agonist, was administered in patients receiving treatment with gemcitabine‐based therapy. Fewer patients receiving eltrombopag required chemotherapy dose delays and/or reductions compared with those receiving placebo. Eltrombopag was well tolerated with an acceptable safety profile, and will be further tested.</description><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Anemia</subject><subject>Antineoplastic Combined Chemotherapy Protocols - therapeutic use</subject><subject>Benzoates - administration &amp; dosage</subject><subject>Benzoates - adverse effects</subject><subject>Benzoates - pharmacokinetics</subject><subject>Blood</subject><subject>Blood platelets</subject><subject>cancer</subject><subject>Cancer Research</subject><subject>Carboplatin</subject><subject>Chemotherapy</subject><subject>Cisplatin</subject><subject>Deoxycytidine - administration &amp; dosage</subject><subject>Deoxycytidine - adverse effects</subject><subject>Deoxycytidine - analogs &amp; derivatives</subject><subject>Deoxycytidine - pharmacokinetics</subject><subject>Drug Administration Schedule</subject><subject>eltrombopag</subject><subject>Female</subject><subject>Gemcitabine</subject><subject>Humans</subject><subject>Hydrazines - administration &amp; 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Safran, Howard ; Karaszewska, Boguslawa ; Richards, Donald A. ; Hartner, Lee ; Forget, Frederic ; Ramlau, Rodryg ; Kumar, Kirushna ; Mayer, Bhabita ; Johnson, Brendan M. ; Messam, Conrad A. ; Mostafa Kamel, Yasser</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4386-dac4f77c41e61de50ac0e7132f9c41ec492890709ece2503797da6cc46879b0e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Anemia</topic><topic>Antineoplastic Combined Chemotherapy Protocols - therapeutic use</topic><topic>Benzoates - administration &amp; dosage</topic><topic>Benzoates - adverse effects</topic><topic>Benzoates - pharmacokinetics</topic><topic>Blood</topic><topic>Blood platelets</topic><topic>cancer</topic><topic>Cancer Research</topic><topic>Carboplatin</topic><topic>Chemotherapy</topic><topic>Cisplatin</topic><topic>Deoxycytidine - administration &amp; 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The safety and maximum tolerated dose of eltrombopag, an oral thrombopoietin receptor agonist, with gemcitabine‐based therapy was evaluated. Patients with advanced solid tumors and platelets ≤300 × 109/L receiving gemcitabine plus cisplatin or carboplatin (Group A) or gemcitabine monotherapy (Group B) were randomized 3:1 to receive eltrombopag or placebo at a starting dose of 100 mg daily administered on days −5 to −1 and days 2–6 starting from cycle 2 of treatment. Nineteen patients (Group A, n = 9; Group B, n = 10) received eltrombopag 100 mg and seven (Group A, n = 3; Group B, n = 4) received matching placebo. Nine eltrombopag patients in Group A and eight in Group B had 38 and 54 occurrences of platelet counts ≥400 × 109/L, respectively. Mean platelet nadirs across cycles 2–6 were 115 × 109/L and 143 × 109/L for eltrombopag‐treated patients versus 53 × 109/L and 103 × 109/L for placebo‐treated patients in Groups A and B, respectively. No dose‐limiting toxicities were reported for eltrombopag; however, due to several occurrences of thrombocytosis, a decision was made not to dose‐escalate eltrombopag to &gt;100 mg daily. In Groups A and B, 14% of eltrombopag versus 50% of placebo patients required chemotherapy dose reductions and/or delays for any reason across cycles 3–6. Eltrombopag 100 mg once daily administered 5 days before and after day 1 of chemotherapy was well tolerated with an acceptable safety profile, and will be further tested in a phase II trial. Fewer patients receiving eltrombopag required chemotherapy dose delays and/or reductions compared with those receiving placebo. Eltrombopag, an oral thrombopoietin receptor agonist, was administered in patients receiving treatment with gemcitabine‐based therapy. Fewer patients receiving eltrombopag required chemotherapy dose delays and/or reductions compared with those receiving placebo. Eltrombopag was well tolerated with an acceptable safety profile, and will be further tested.</abstract><cop>United States</cop><pub>John Wiley &amp; Sons, Inc</pub><pmid>25165041</pmid><doi>10.1002/cam4.326</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Aged
Aged, 80 and over
Anemia
Antineoplastic Combined Chemotherapy Protocols - therapeutic use
Benzoates - administration & dosage
Benzoates - adverse effects
Benzoates - pharmacokinetics
Blood
Blood platelets
cancer
Cancer Research
Carboplatin
Chemotherapy
Cisplatin
Deoxycytidine - administration & dosage
Deoxycytidine - adverse effects
Deoxycytidine - analogs & derivatives
Deoxycytidine - pharmacokinetics
Drug Administration Schedule
eltrombopag
Female
Gemcitabine
Humans
Hydrazines - administration & dosage
Hydrazines - adverse effects
Hydrazines - pharmacokinetics
Male
Middle Aged
Neoplasm Staging
Neoplasms - drug therapy
Neoplasms - pathology
Neutropenia
Patients
Platelet Count
Platelets
Pyrazoles - administration & dosage
Pyrazoles - adverse effects
Pyrazoles - pharmacokinetics
Schedules
Solid tumors
Thrombocytopenia
Thrombocytosis
Thrombopoietin
thrombosis
Treatment Outcome
Tumors
title Eltrombopag with gemcitabine‐based chemotherapy in patients with advanced solid tumors: a randomized phase I study
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