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Phase Ib study of atezolizumab combined with cobimetinib in patients with solid tumors

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dc.contributor.authorHellmann, M. D.-
dc.contributor.authorKim, T. -W.-
dc.contributor.authorLee, C. B.-
dc.contributor.authorGoh, B-C-
dc.contributor.authorMiller, W. H., Jr.-
dc.contributor.authorOh, D. -Y.-
dc.contributor.authorJamal, R.-
dc.contributor.authorChee, C. -E.-
dc.contributor.authorChow, L. Q. M.-
dc.contributor.authorGainor, J. F.-
dc.contributor.authorDesai, J.-
dc.contributor.authorSolomon, B. J.-
dc.contributor.authorDas Thakur, M.-
dc.contributor.authorPitcher, B.-
dc.contributor.authorFoster, P.-
dc.contributor.authorHernandez, G.-
dc.contributor.authorWongchenko, M. J.-
dc.contributor.authorCha, E.-
dc.contributor.authorBang, Yung-Jue-
dc.contributor.authorSiu, L. L.-
dc.contributor.authorBendell, J.-
dc.date.accessioned2021-01-31T11:59:36Z-
dc.date.available2021-01-31T11:59:36Z-
dc.date.issued2019-07-
dc.identifier.citationAnnals of Oncology, Vol.30 No.7, pp.1134-1142-
dc.identifier.issn0923-7534-
dc.identifier.other94729-
dc.identifier.urihttps://hdl.handle.net/10371/173190-
dc.description.abstractBackground Preclinical evidence suggests that MEK inhibition promotes accumulation and survival of intratumoral tumor-specific T cells and can synergize with immune checkpoint inhibition. We investigated the safety and clinical activity of combining a MEK inhibitor, cobimetinib, and a programmed cell death 1 ligand 1 (PD-L1) inhibitor, atezolizumab, in patients with solid tumors. Patients and methods This phase I/Ib study treated PD-L1/PD-1-naive patients with solid tumors in a dose-escalation stage and then in multiple, indication-specific dose-expansion cohorts. In most patients, cobimetinib was dosed once daily orally for 21days on, 7days off. Atezolizumab was dosed at 800mg intravenously every 2weeks. The primary objectives were safety and tolerability. Secondary end points included objective response rate, progression-free survival, and overall survival. Results Between 27 December 2013 and 9 May 2016, 152 patients were enrolled. As of 4 September 2017, 150 patients received >= 1 dose of atezolizumab, including 14 in the dose-escalation cohorts and 136 in the dose-expansion cohorts. Patients had metastatic colorectal cancer (mCRC; n=84), melanoma (n=22), non-small-cell lung cancer (NSCLC; n=28), and other solid tumors (n=16). The most common all-grade treatment-related adverse events (AEs) were diarrhea (67%), rash (48%), and fatigue (40%), similar to those with single-agent cobimetinib and atezolizumab. One (<1%) treatment-related grade 5 AE occurred (sepsis). Forty-five (30%) and 23 patients (15%) had AEs that led to discontinuation of cobimetinib and atezolizumab, respectively. Confirmed responses were observed in 7 of 84 patients (8%) with mCRC (6 responders were microsatellite low/stable, 1 was microsatellite instable), 9 of 22 patients (41%) with melanoma, and 5 of 28 patients (18%) with NSCLC. Clinical activity was independent of KRAS/BRAF status across diseases. Conclusions Atezolizumab plus cobimetinib had manageable safety and clinical activity irrespective of KRAS/BRAF status. Although potential synergistic activity was seen in mCRC, this was not confirmed in a subsequent phase III study. ClinicalTrials.gov Identifier NCT01988896 (the investigators in the NCT01988896 study are listed in the supplementary Appendix, available at Annals of Oncology online).-
dc.subjectatezolizumab-
dc.subjectcobimetinib-
dc.subjectmetastatic colorectal cancer-
dc.subjectnon-small-cell lung cancer-
dc.subjectmelanoma-
dc.subjectPD-L1-
dc.titlePhase Ib study of atezolizumab combined with cobimetinib in patients with solid tumors-
dc.typeArticle-
dc.contributor.AlternativeAuthor방영주-
dc.identifier.doi10.1093/annonc/mdz113-
dc.citation.journaltitleAnnals of Oncology-
dc.identifier.scopusid2-s2.0-85065241448-
dc.citation.endpage1142-
dc.citation.number7-
dc.citation.startpage1134-
dc.citation.volume30-
dc.identifier.urlhttps://www.annalsofoncology.org/article/S0923-7534(19)31228-1/fulltext-
dc.identifier.rimsid94729-
dc.identifier.sci000484369900020-
dc.contributor.affiliatedAuthorBang, Yung-Jue-
Appears in Collections:
College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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