Rationale and design of the CONFIRM-HF study: a double-blind, randomized, placebo-controlled study to assess the effects of intravenous ferric carboxymaltose on functional capacity in patients with chronic heart failure and iron deficiency

Piotr Ponikowski, Dirk J. van Veldhuisen, Josep Comin-Colet, Georg Ertl, Michel Komajda, Viacheslav Mareev, Theresa A. McDonagh, Alexander Parkhomenko, Luigi Tavazzi, Victoria Levesque, Claudio Mori, Bernard Roubert, Gerasimos Filippatos, Frank Ruschitzka, Stefan D. Anker