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Phase I study of pegylated interferon-alpha-2b as an adjuvant therapy in Japanese patients with malignant melanoma.

ABSTRACT: In the adjuvant setting for malignant melanoma, interferon (IFN)-?-2b and pegylated (PEG) IFN-?-2b were approved in several countries including the USA before these were approved in Japan. To resolve the "drug-lag" issue, this phase I study was designed to evaluate the safety and tolerability in Japanese patients with stage II or III malignant melanoma who had undergone surgery, by treating with PEG IFN-?-2b. As with a previously reported phase III study, patients were to receive PEG IFN-?-2b 6 ?g/kg per week s.c. during an 8-week induction phase, followed by a maintenance phase at a dose of 3 ?g/kg per week up to 5 years. Dose-limiting toxicity and pharmacokinetics were assessed during the initial 8 weeks. Of the nine patients enrolled, two patients had dose-limiting toxicities that resolved after discontinuation of treatment. The most frequently reported drug-related adverse events (DRAE) included pyrexia, decreased neutrophil and white blood cell counts, and arthralgia. Grade 3 DRAE included decreased neutrophil count. No deaths, serious adverse events and grade 4 adverse events were reported. Distant metastasis occurred in one patient. No apparent differences in area under the concentration-time curve and maximum observed serum concentration were observed between Japanese and historical non-Japanese pharmacokinetic data, suggesting no marked racial differences. No neutralizing antibody was detected in these patient samples. PEG IFN-?-2b was tolerated in Japanese patients, and eventually approved in Japan in May 2015 for adjuvant therapy in patients with stage III malignant melanoma. Because the number of patients was limited, further investigation would be crucial.

SUBMITTER: Yamazaki N

PROVIDER: S-EPMC5108434 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Phase I study of pegylated interferon-alpha-2b as an adjuvant therapy in Japanese patients with malignant melanoma.

Yamazaki Naoya N Uhara Hisashi H Wada Hidefumi H Matsuda Kenji K Yamamoto Keiko K Shimamoto Takashi T Kiyohara Yoshio Y

The Journal of dermatology 20161001 10

In the adjuvant setting for malignant melanoma, interferon (IFN)-α-2b and pegylated (PEG) IFN-α-2b were approved in several countries including the USA before these were approved in Japan. To resolve the "drug-lag" issue, this phase I study was designed to evaluate the safety and tolerability in Japanese patients with stage II or III malignant melanoma who had undergone surgery, by treating with PEG IFN-α-2b. As with a previously reported phase III study, patients were to receive PEG IFN-α-2b 6 ...[more]

PMID: 27087489

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Project description:IntroductionMultiple agents are approved in the adjuvant setting of completely resected high-risk (stages IIC-IV) malignant melanoma. Subgroups may benefit differently depending on the agent used. We performed a systematic review and meta-analysis to evaluate the efficiency and tolerability of available options in the post interferon era across following subgroups: patient age, stage, ulceration status, lymph node involvement, BRAF status.MethodsThe PubMed and Cochrane Library databases were searched without restriction in year of publication in June and September 2020. Data were extracted according to the PRISMA Guidelines from two authors independently and were pooled according to the random-effects model. The predefined primary outcome was recurrence-free survival (RFS). Post-data extraction it was noted that one trial (BRIM8) reported disease-free survival which was defined in the exact same way as RFS.ResultsFive prospective randomized placebo-controlled trials were included in the meta-analysis. The drug regimens included ipilimumab, pembrolizumab, nivolumab, nivolumab/ipilimumab, vemurafenib, and dabrafenib/trametinib. Adjuvant treatment was associated with a higher RFS than placebo (HR 0.57; 95% CI= 0.45-0.71). Nivolumab/ipilimumab in stage IV malignant melanoma was associated with the highest RFS benefit (HR 0.23; 97.5% CI= 0.12-0.45), followed by dabrafenib/trametinib in stage III BRAF-mutant melanoma (HR 0.49; 95% CI= 0.40-0.59). The presence of a BRAF mutation was associated with higher RFS rates (HR 0.30; 95% CI= 0.11-0.78) compared to the wildtype group (HR 0.60; 95% CI= 0.44-0.81). Patient age did not influence outcomes (≥65: HR 0.50; 95% CI= 0.36-0.70, <65: HR 0.58; 95% CI= 0.46-0.75). Immune checkpoint inhibitor monotherapy was associated with lower RFS in non-ulcerated melanoma. Patients with stage IIIA benefited equally from adjuvant treatment as those with stage IIIB/C. Nivolumab/ipilimumab and ipilimumab monotherapy were associated with higher toxicity.ConclusionAdjuvant therapy should not be withheld on account of advanced age or stage IIIA alone. The presence of a BRAF mutation is prognostically favorable in terms of RFS. BRAF/MEK inhibitors should be preferred in the adjuvant treatment of BRAF-mutant non-ulcerated melanoma.

Dataset Information

Phase I study of pegylated interferon-alpha-2b as an adjuvant therapy in Japanese patients with malignant melanoma.

Publications

Phase I study of pegylated interferon-alpha-2b as an adjuvant therapy in Japanese patients with malignant melanoma.

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