Effect of an oral iron(III)-hydroxide polymaltose complex on tetracycline pharmacokinetics in patients with iron deficiency anemia.

The study was carried out as an open-label, but laboratory-blind, single-dose, single-centre, randomized, two-period crossover study. Twenty-two patients with iron deficiency anemia completed the study. The study consisted of two treatment phases of 36 h, separated by a washout period of between 6 and 14 days.