“…Among the potentially important significant drug-drug interactions involving HCQ and CQ, with antibiotics, aspirin, paracetamol, cholestyramine, proton-pump inhibitors or H 2 receptor antagonists, imipramine, methotrexate, cyclosporine, caffeine, debrisoquine, metoprolol, and other anti-parasitic agents have received particular attention because of the potential for microsomal P450 interactions or impact on hepato-renal clearance (Gupta et al 1979;Ali 1985;Ette et al 1987a, b;McElnay et al 1985;Gendrel et al 1990;Kull and Besterman 1990;Onyeji et al 1993;Raina et al 1993;Bannwarth et al 1996;Adedoyin et al 1998;van den Borne et al 1998;Oforah and Anyogo 2000;Somer et al 2000;Vezmar and Georges 2000;Carmichael et al 2002;Alisky et al 2006;Cook et al 2006;Ilo et al, 2006Ilo et al, , 2008Obua et al 2006;Skinner-Adams et al 2007;Namazi 2009;Van Roon et al 2009). …”