Abstract
Current antihypertensive strategies do not take into account that individual characteristics may influence the magnitude of blood pressure (BP) reduction. Guidelines promote trial-and-error approaches with many different drugs. We conducted the Identification of the Determinants of the Efficacy of Arterial blood pressure Lowering drugs (IDEAL) Trial to identify factors associated with BP responses to perindopril and indapamide. IDEAL was a cross-over, double-blind, placebo-controlled trial, involving four 4-week periods: indapamide, perindopril and two placebo. Eligible patients were untreated, hypertensive and aged 25–70 years. The main outcome was systolic BP (SBP) response to drugs. The 112 participants with good compliance had a mean age of 52. One in every three participants was a woman. In middle-aged women, the SBP reduction from drugs was −11.5 mm Hg (indapamide) and −8.3 mm Hg (perindopril). In men, the response was significantly smaller: −4.8 mm Hg (indapamide) and −4.3 (perindopril) (P for sex differences 0.001 and 0.015, respectively). SBP response to perindopril decreased by 2 mm Hg every 10 years of age in both sexes (P=0.01). The response to indapamide increased by 3 mm Hg every 10 years of age gradient in women (P=0.02). Age and sex were important determinants of BP response for antihypertensive drugs in the IDEAL population. This should be taken into account when choosing drugs a priori.
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Acknowledgements
IDEAL Trial results contribute to the success of the BIMBO ANR project (SYSCOMM 2008-002). We are grateful to Servier who gave us the drugs and dosages of indapamide and N-acetyl-Ser-Asp-Lys-Pro. Servier was not involved in study conduct or data analysis. We thank Kent Neal (supported by the French Cochrane Centre) for proofreading and editing the manuscript. The IDEAL Trial was made possible thanks to a grant from the French Society of Hypertension and from the 2003 French Hospital Program for Clinical Research (D50327).
Members of the IDEAL Trial Group
The IDEAL Trial Group is made up of: Yishi Li (Key Laboratory of Clinical Trial Research in Cardiovascular Drugs, Ministry of Health, Fuwai Cardiovascular Hospital, Beijing, China); Calin Pop (Faculty of Medicine, Arad, Western University Vasiel Goldis; Cardiology, Regional Hospital, BaieMare, Romania); Salam Farhat (Claude Bernard Lyon 1 University, Lyon, France); Alain Richet (Claude Bernard Lyon 1 University, Lyon, France); Marie-France Le Goaziou (Claude Bernard Lyon 1 University, Lyon, France); Rojee Neguib (Claude Bernard Lyon 1 University, Lyon, France); Marie Flori (Claude Bernard Lyon 1 University, Lyon, France); Pierre Lantelme (Cardiology, Croix Rousse Hospital, Lyon, France); Denis Angoulvant (Cardiology, Louis Pradel Hospital, Lyon, France); Pierrette Darchy (Cardiology, Louis Pradel Hospital, Lyon, France); Stéphane Laurent (Pharmacology, Pompidou European Hospital, Inserm and Paris Descartes University, Paris, France); Faiez Zannad (Cardiology Departement, Nancy University, Nancy, France); Patrick Rossignol (Nancy University and Inserm CIC, Nancy, France); Anne-Françoise Cailleux (Rouen University Hospital, Inserm CIC, Rouen, France); Christian Libersa (CIC, Inserm and CHU, Lille, France); Atul Pathak (Clinical Pharmacology, Toulouse University; Inserm; Federation of Cardiology, Toulouse, France); Jean-Michel Halimi (Nephrology, Bretonneau Hospital, Tours, France); Jacques Amar (Inserm, Faculty of Medicine, Toulouse, France); Xavier Jeunemaitre (Department of Genetics, Pompidou European Hospital, Inserm-PARCC, Paris, France); Michel Azizi (Clinical Center of Investigations, Pompidou European Hospital, Paris, France); Florent Boutitie (Department of Biostatistics, Hospices Civils de Lyon; CNRS, Villeurbanne, France).
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Gueyffier, F., Subtil, F., Bejan-Angoulvant, T. et al. Can we identify response markers to antihypertensive drugs? First results from the IDEAL Trial. J Hum Hypertens 29, 22–27 (2015). https://doi.org/10.1038/jhh.2014.29
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DOI: https://doi.org/10.1038/jhh.2014.29
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