- 4 weeks before V2: Methotrexate, parenteral/oral gold, D-penicillamine, Sulphasalazine, antimalarials (e.g.:Chloroquine/Hydroxychloroquine), Azathioprine, Cyclosporine A, Alkylating agents (e.g.: Cyclophosphamide / Chlorambucil), Minocycline, Etanercept (Enbrel®), and Leflunomide (only if wash-out with Colestyramine has been done after leflunomide discontinuation)