Health care decisions are complex and involve confronting trade-offs between multiple, often conflicting objectives. Using structured, explicit approaches to decisions involving multiple criteria can improve the quality of decision making. A set of techniques, known under the collective heading, multiple criteria decision analysis (MCDA), are useful for this purpose. In 2014, ISPOR established an Emerging Good Practices Task Force. The task force’s first report defined MCDA, provided examples of its use in health care, described the key steps, and provided an overview of the principal methods of MCDA. This second task force report provides emerging good-practice guidance on the implementation of MCDA to support health care decisions. The report includes: a checklist to support the design, implementation and review of an MCDA; guidance to support the implementation of the checklist; the order in which the steps should be implemented; illustrates how to incorporate budget constraints into an MCDA; provides an overview of the skills and resources, including available software, required to implement MCDA; and future research directions.
Copyright © 2016 International Society for Pharmacoeconomics and Outcomes Research (ISPOR). Published by Elsevier Inc. All rights reserved.

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To investigate the relationship between effective fentanyl sublingual spray (FSS) doses for breakthrough cancer pain (BTCP) and around-the-clock (ATC) transdermal fentanyl patch (TFP).
Adults tolerating ATC opioids received open-label FSS for 26 days, followed by a 26-day double-blind phase for patients achieving an effective dose (100-1600 µg).
Out of 50 patients on ATC TFP at baseline, 32 (64%) achieved an effective dose. FSS effective dose moderately correlated with mean TFP dose (r = 0.4; p = 0.03). Patient satisfaction increased during the study. Common adverse event included nausea (9%) and peripheral edema (9%).
FSS can be safely titrated to an effective dose for BTCP in patients receiving ATC TFP as chronic cancer pain medication. ClinicalTrials.gov identifier: NCT00538850.

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Inhibition of the V600E mutated BRAF kinase gene (BRAF(V600E) ) is an important and effective approach to treating melanomas. A new specific small molecule inhibitor of BRAF(V600E) , PLX3603, showed potent melanoma growth-inhibiting characteristics in preclinical studies and is currently under clinical investigation. In this study we investigated the feasibility of (18) F-FDG and (18) F-FLT-PET to monitor the early effects of the BRAF(V600E) inhibitor in mice with melanoma xenografts. SCID/beige mice with subcutaneous (s.c.) A375 melanoma xenografts, expressing BRAF(V600E) , received the BRAF(V600E) inhibitor twice daily orally (0, 25, 50 and 75 mg/kg). At 1, 3 and 7 days after start of therapy, the uptake of (18) F-FDG and (18) F-FLT in the tumor and normal tissues was determined in ex vivo tissue samples. Serial (18) F-FDG and (18) F-FLT-PET scans were acquired of animals at 1 day before and 1, 3 and 7 days after start of treatment with 75 mg/kg BRAF(V600E) inhibitor. A dose-dependent decrease in (18) F-FDG uptake in the A375 tumors was observed by ex vivo biodistribution analysis. Administration of 75 mg/kg BRAF inhibitor for 1, 3 and 7 days resulted in a significantly decreased (18) F-FDG uptake in A375 tumors (41, 35 and 51%, respectively). (18) F-FLT uptake in the A375 tumors was low at baseline and no significant changes in (18) F-FLT uptake were observed at any of the doses administered. These effects were corroborated by serial in vivo (18) F-FDG and (18) F-FLT-PET imaging. These data demonstrate that (18) F-FDG-PET can be used as an imaging biomarker to noninvasively evaluate the early effects of PLX3603.
Copyright © 2014 John Wiley & Sons, Ltd.

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Increased activity of the epigenetic modifier EZH2 has been associated with different cancers. However, evidence for a functional role of EZH2 in tumorigenesis in vivo remains poor, in particular in metastasizing solid cancers. Here we reveal central roles of EZH2 in promoting growth and metastasis of cutaneous melanoma. In a melanoma mouse model, conditional Ezh2 ablation as much as treatment with the preclinical EZH2 inhibitor GSK503 stabilizes the disease through inhibition of growth and virtually abolishes metastases formation without affecting normal melanocyte biology. Comparably, in human melanoma cells, EZH2 inactivation impairs proliferation and invasiveness, accompanied by re-expression of tumour suppressors connected to increased patient survival. These EZH2 target genes suppress either melanoma growth or metastasis in vivo, revealing the dual function of EZH2 in promoting tumour progression. Thus, EZH2-mediated epigenetic repression is highly relevant especially during advanced melanoma progression, which makes EZH2 a promising target for novel melanoma therapies.

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Pyrexia is a common adverse event (AE) on dabrafenib treatment (monotherapy or combination with trametinib). Since germline SNPs and HLA alleles are implicated in drug-induced AEs, this study investigated their association with pyrexia.
1006 melanoma subjects from five dabrafenib-trametinib clinical studies underwent genotyping for genome-wide SNPs, which enabled imputation of 150 HLA alleles. SNP/HLA allele frequencies were compared between pyrexia cases (n = 218) and controls (n = 361) out of the 1006 subjects by meta-analysis.
This analysis had adequate power to detect association of common SNPs or HLA alleles with moderate to large effects on pyrexia (odds ratio >6), but no significant association was found.
The study suggests that common genetic variation or HLA polymorphisms do not contribute substantially to dabrafenib-induced pyrexia.

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