Abstract
With one possible exception, the last decade of clinical trials in hospitalized heart failure (HHF) patients has failed to demonstrate improvement in long-term clinical outcomes. This trend necessitates a need to evaluate optimal drug development strategies and standards of trial conduct. It has become increasingly important to recognize the heterogeneity among HHF patients and the differential characterization of novel drug candidates. Targeting these agents to specific subpopulations may afford optimal net response related to the particular mode of action of the drug. Analyses of previous trials demonstrate profound differences in the baseline characteristics of patients enrolled across global regions and participating sites. Such differences may influence risks for events and interpretation of results. Therefore, the actual execution of trials and the epidemiology of HHF populations at the investigative sites must be taken into consideration. Collaboration among participating sites including the provision of registry data tailored to the planned development program will optimize trial conduct. Observational data prior to study initiation may enable sites to feedback and engage in protocol development to allow for feasible and valid clinical trial conduct. This site-centered, epidemiology-based network environment may facilitate studies in specific patient populations and promote optimal data collection and clear interpretation of drug safety and efficacy. This review summarizes the roundtable discussion held by a multidisciplinary team of representatives from academia, National Institutes of Health, industry, regulatory agencies, payers, and contract and academic research organizations to answer the question: Who should be targeted for novel therapies in HHF?
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Conflict of interest
Javed Butler: Research Support: National Institutes of Health, European Union, Health Resource Services Administration, Food and Drug Administration; Consultant: Amgen, Bayer, Celladon, Gambro, GE Healthcare, Janssen, Medtronic, Novartis, Ono, Relypsa, Trevena; Stock Options: Stemedica. Lothar Roessig: Employee of Bayer Pharma AG. Gregg C Fonarow: Research support: Agency for Healthcare Research and Quality (significant), Consultant: Medtronic (modest), Gambro (significant), and Novartis (significant). Marco Metra: Received honoraria from Bayer, Corthera, Novartis, and Servier for speeches or participation in advisory boards/steering committees. Gadi Cotter: Employee of Momentum-Research, Inc. Stuart Kupfer: Employee of Takeda Global Research and Development Center, Inc. Andrew Zalewski: Employee of Novartis Pharmaceutical Corporation. Naoki Sato: Consultant to Chugai Pharmaceutical Company and honoraria from Daiichi-Sankyo, Otsuka, Philips Respironics, Astellas, Ono, Eisai, Chugai, Mitsubishi-Tanabe, Sanofi-Aventis, and Novartis pharmaceuticals. Mihai Gheorghiade: Consultant for Abbott Laboratories, Astellas, AstraZeneca, Bayer HealthCare AG, CorThera, Cytokinetics, DebioPharm S.A., Errekappa Terapeutici, GlaxoSmithKline, Ikaria, Johnson & Johnson, Medtronic, Merck, Novartis Pharma AG, Otsuka Pharmaceuticals, Palatin Technologies, Pericor Therapeutics, Protein Design Laboratories, Sanofi-Aventis, Sigma Tau, Solvay Pharmaceuticals, Takeda Pharmaceutical and Trevena Therapeutics. Muthiah Vaduganathan, Stephen J Greene, and Gerasimos Filippatos have no conflicts of interest or financial ties to disclose.
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Vaduganathan, M., Butler, J., Roessig, L. et al. Clinical trials in hospitalized heart failure patients: targeting interventions to optimal phenotypic subpopulations. Heart Fail Rev 20, 393–400 (2015). https://doi.org/10.1007/s10741-015-9485-8
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DOI: https://doi.org/10.1007/s10741-015-9485-8