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BEKAII-SAAB, Tanios; MARKOWITZ, Joseph; BALINT, Catherine; O'NEIL, Bert; LEE, Ruey-Min; ZALUPSKI, Mark; DANCEY, Janet; CHEN, Helen; GREVER, Michael; ENG, Charis; VILIALONA-CALERO, Miguel; PRESCOTT, Nichole; SADEE, Wolfgang; HEEREMA, Nyla; LAI WEI; ZUNYAN DAI; PAPP, Audrey; CAMPBELL, Angela; CULLER, Kristy
Clinical cancer research, 09/2009, Letnik: 15, Številka: 18Journal Article
Background: Hepatocellular carcinoma (HCC) is on the rise worldwide. HCC responds poorly to chemotherapy. Lapatinib is an inhibitor of epidermal growth factor receptor and HER2/NEU both implicated in hepatocarcinogenesis. This trial was designed to determine the safety and efficacy of lapatinib in HCC. Methods: A Fleming phase II design with a single stage of 25 patients with a 90% power to exclude a true response rate of <10% and detect a true response rate of â¥30% was used. The dose of lapatinib was 1,500 mg/day administered orally in 28-day cycles. Tumor and blood specimens were analyzed for expression of HER2/NEU/CEP17 and status of downstream signal pathway proteins. Results: Twenty-six patients with HCC enrolled on this study. Nineteen percent had one prior therapy. Most common toxicities were diarrhea (73%), nausea (54%), and rash (42%). No objective responses were observed. Ten (40%) patients had stable disease as their best response including six (23%) with stable disease lasting >120 days. Median progression-free survival was 1.9 months and median overall survival was 12.6 months. Patients who developed a rash had a borderline statistically significant longer survival. Tissue and blood specimens were available on >90% of patients. No somatic mutations in EGFR (exons 18-21) were found. In contrast to our previous findings, we did not find evidence of HER2/NEU somatic mutations. PTEN, P-AKT, and P70S6K expression did not correlate with survival. Conclusions: Lapatinib is well-tolerated but seems to benefit only a subgroup of patients for whom predictive molecular or clinical characteristics are not yet fully defined. (Clin Cancer Res 2009;15(18):5895â901)
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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.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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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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