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Research designs for proof-of-concept chronic pain clinical trials: IMMPACT recommendations.
Gewandter, Jennifer S; Dworkin, Robert H; Turk, Dennis C; McDermott, Michael P; Baron, Ralf; Gastonguay, Marc R; Gilron, Ian; Katz, Nathaniel P; Mehta, Cyrus; Raja, Srinivasa N; Senn, Stephen; Taylor, Charles; Cowan, Penney; Desjardins, Paul; Dimitrova, Rozalina; Dionne, Raymond; Farrar, John T; Hewitt, David J; Iyengar, Smriti; Jay, Gary W; Kalso, Eija; Kerns, Robert D; Leff, Richard; Leong, Michael; Petersen, Karin L; Ravina, Bernard M; Rauschkolb, Christine; Rice, Andrew S C; Rowbotham, Michael C; Sampaio, Cristina; Sindrup, Sren H; Stauffer, Joseph W; Steigerwald, Ilona; Stewart, Jonathan; Tobias, Jeffrey; Treede, Rolf-Detlef; Wallace, Mark; White, Richard E.
Afiliación
  • Gewandter JS; University of Rochester, Rochester, NY, USA University of Washington, Seattle, WA, USA University of Kiel, Kiel, Germany Metrum Research Group, Tariffville, CT, USA Queen's University, Kingston, Ontario, Canada Analgesic Solutions, Natick, MA, USA Tufts University, Boston, MA, USA Cytel, Boston, MA, USA Johns Hopkins University, Baltimore, MD, USA CRP Santé, Strassen, Luxembourg CP Taylor Consulting, Ann Arbor, MI, USA American Chronic Pain Association, Rocklin, CA, USA Desjardins Associates and
Pain ; 155(9): 1683-1695, 2014 Sep.
Article en En | MEDLINE | ID: mdl-24865794
Proof-of-concept (POC) clinical trials play an important role in developing novel treatments and determining whether existing treatments may be efficacious in broader populations of patients. The goal of most POC trials is to determine whether a treatment is likely to be efficacious for a given indication and thus whether it is worth investing the financial resources and participant exposure necessary for a confirmatory trial of that intervention. A challenge in designing POC trials is obtaining sufficient information to make this important go/no-go decision in a cost-effective manner. An IMMPACT consensus meeting was convened to discuss design considerations for POC trials in analgesia, with a focus on maximizing power with limited resources and participants. We present general design aspects to consider including patient population, active comparators and placebos, study power, pharmacokinetic-pharmacodynamic relationships, and minimization of missing data. Efficiency of single-dose studies for treatments with rapid onset is discussed. The trade-off between parallel-group and crossover designs with respect to overall sample sizes, trial duration, and applicability is summarized. The advantages and disadvantages of more recent trial designs, including N-of-1 designs, enriched designs, adaptive designs, and sequential parallel comparison designs, are summarized, and recommendations for consideration are provided. More attention to identifying efficient yet powerful designs for POC clinical trials of chronic pain treatments may increase the percentage of truly efficacious pain treatments that are advanced to confirmatory trials while decreasing the percentage of ineffective treatments that continue to be evaluated rather than abandoned.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Proyectos de Investigación / Ensayos Clínicos como Asunto / Dolor Crónico Tipo de estudio: Clinical_trials / Guideline / Prognostic_studies Límite: Humans Idioma: En Revista: Pain Año: 2014 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Proyectos de Investigación / Ensayos Clínicos como Asunto / Dolor Crónico Tipo de estudio: Clinical_trials / Guideline / Prognostic_studies Límite: Humans Idioma: En Revista: Pain Año: 2014 Tipo del documento: Article Pais de publicación: Estados Unidos