Article ; Online: Exposure-response relationship of olaratumab for survival outcomes and safety when combined with doxorubicin in patients with soft tissue sarcoma.
Cancer chemotherapy and pharmacology
2018 Volume 83, Issue 1, Page(s) 191–199
Abstract: Purpose: Olaratumab is a recombinant human IgG1 monoclonal antibody against PGDFRα. Olaratumab plus doxorubicin improved survivalversus doxorubicin in an open-label, randomised phase 2 soft tissue sarcoma (STS) trial. We characterised the olaratumab ... ...
Abstract | Purpose: Olaratumab is a recombinant human IgG1 monoclonal antibody against PGDFRα. Olaratumab plus doxorubicin improved survivalversus doxorubicin in an open-label, randomised phase 2 soft tissue sarcoma (STS) trial. We characterised the olaratumab exposure-response relationship for progression-free survival (PFS), overall survival (OS), and safety. Methods: PFS and OS data from the 133 patients enrolled in the phase 2 study were analysed using time-to-event modelling. The effect of olaratumab on PFS/OS was explored using the trough serum concentration after cycle 1 (C Results: PFS and OS were described by models with an exponential hazard function and inhibitory E Conclusions: PFS/OS benefits occurred without a rate change in TEAEs across quartiles. Maximum benefit in OS was achieved in the upper three quartiles and a potential of early disease progression in the lower quartile of olaratumab serum exposure. These results prompted a loading dose strategy in the ongoing phase 3 STS trial. |
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MeSH term(s) | Antibodies, Monoclonal/administration & dosage ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Doxorubicin/administration & dosage ; Follow-Up Studies ; Humans ; Prognosis ; Sarcoma/drug therapy ; Sarcoma/mortality ; Sarcoma/pathology ; Survival Rate |
Chemical Substances | Antibodies, Monoclonal ; Doxorubicin (80168379AG) ; olaratumab (TT6HN20MVF) |
Language | English |
Publishing date | 2018-11-08 |
Publishing country | Germany |
Document type | Clinical Trial, Phase II ; Journal Article ; Multicenter Study ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't |
ZDB-ID | 6820-2 |
ISSN | 1432-0843 ; 0344-5704 ; 0943-9404 |
ISSN (online) | 1432-0843 |
ISSN | 0344-5704 ; 0943-9404 |
DOI | 10.1007/s00280-018-3723-4 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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