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Gray, Jhanelle E; Saltos, Andreas; Tanvetyanon, Tawee; Haura, Eric B; Creelan, Ben; Antonia, Scott J; Shafique, Michael; Zheng, Hong; Dai, Wenjie; Saller, James J; Chen, Zhihua; Tchekmedyian, Nishan; Goas, Kristen; Thapa, Ram; Boyle, Theresa A; Chen, Dung-Tsa; Beg, Amer A
Clinical cancer research, 11/2019, Letnik: 25, Številka: 22Journal Article
Histone deacetylase inhibitors (HDACi) enhance tumor immunogenicity through several mechanisms and may improve response to immune checkpoint inhibitors (ICIs). In a phase I/Ib trial, we tested the oral HDACi vorinostat combined with the programmed cell death protein 1 inhibitor pembrolizumab in advanced/metastatic non-small cell lung cancer. Patients received intravenous pembrolizumab (200 mg every 3 weeks) plus oral vorinostat (200 or 400 mg/day). Primary endpoint was safety/tolerability. Secondary endpoints included response rate, progression-free survival, disease control rate (DCR), and overall survival. Tumor gene expression changes, T-cell density, and myeloid cell levels were studied in serial tissue specimens. Thirty-three patients were treated (13 in phase I, 20 in phase Ib). In phase I, both ICI-naïve and ICI-pretreated patients were enrolled to determine dose-limiting toxicities (DLT). No DLTs were observed, and the recommended phase I dose was pembrolizumab 200 mg and vorinostat 400 mg. Any-grade adverse events were mainly fatigue (33%) and nausea/vomiting (27%). Of six ICI-naïve and 24 ICI-pretreated patients evaluable for response, four (13%) had partial response two confirmed, one unconfirmed with subsequent prolonged stable disease (SD), one unconfirmed with subsequent progressive disease (PD), 16 (53%) had SD, and 10 (33%) had PD for a DCR of 67%. In the ICI-pretreated cohort, three patients (one confirmed, two unconfirmed) had partial response and 10 had SD. Pretreatment CD8 T-cell presence in tumor stromal regions was associated with treatment benefit. Pembrolizumab plus vorinostat was well tolerated and demonstrated preliminary antitumor activity despite progression on prior ICI treatment.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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