| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| PURCH | PURCH_ATC(L04AA13) | [U] leflunomide | 3774 | |
| PURCH | PURCH_ATC(L04AA06) | mycophenolic acid; systemic | 3643 | |
| PURCH | PURCH_ATC(L04AA01) | [U] ciclosporin | 2344 | |
| PURCH | PURCH_ATC(L04AA24) | abatacept; parenteral | 759 | |
| PURCH | PURCH_ATC(L04AA11) | [U] etanercept | 587 | |
| PURCH | PURCH_ATC(L04AA17) | [U] adalimumab | 494 | |
| PURCH | PURCH_ATC(L04AA29) | [U] tofacitinib | 488 | |
| PURCH | PURCH_ATC(L04AA32) | apremilast; oral | 454 | |
| PURCH | PURCH_ATC(L04AA31) | [U] teriflunomide | 421 | |
| PURCH | PURCH_ATC(L04AA27) | [U] fingolimod | 356 | |
| PURCH | PURCH_ATC(L04AA33) | [U] vedolizumab | 322 | |
| PURCH | PURCH_ATC(L04AA37) | [U] baricitinib | 309 | |
| PURCH | PURCH_ATC(L04AA44) | [U] upadacitinib | 255 | |
| PURCH | PURCH_ATC(L04AA05) | [U] tacrolimus | 163 | |
| PURCH | PURCH_ATC(L04AA40) | cladribine; oral | 128 | |
| PURCH | PURCH_ATC(L04AA52) | [U] ofatumumab; parenteral | 108 | |
| PURCH | PURCH_ATC(L04AA10) | [U] sirolimus | 103 | |
| PURCH | PURCH_ATC(L04AA14) | [U] anakinra | 35 | |
| PURCH | PURCH_ATC(L04AA45) | [U] filgotinib | 31 | |
| PURCH | PURCH_ATC(L04AA18) | [U] everolimus | 29 | |
| PURCH | PURCH_ATC(L04AA21) | [U] efalizumab | 16 |