| Procysbi | 🇨🇦Canada | 25 MG | Capsule (Delayed-Release) | Marketed | Amgen Canada INC |
| Procysbi | 🇨🇦Canada | 75 MG | Capsule (Delayed-Release) | Marketed | Amgen Canada INC |
| CYSTAGON 50 mg CAPSULAS DURAS | 🇪🇸Spain | 50 mg | cápsula dura | Marketed | Recordati Rare Diseases |
| Cystadrops | 🇺🇸United States | 0.37% BASE | solution/drops | Marketed | Recordati Rare |
| Cystagon | 🇺🇸United States | 150MG BASE, 50MG BASE | capsule | Marketed | Mylan |
| CYSTAGON 150 mg CAPSULAS DURAS | 🇪🇸Spain | 150 mg | cápsula dura | Marketed | Recordati Rare Diseases |
| Procysbi 25 MG Capsulas Duras Gastrorresistentes | 🇪🇸Spain | 25 mg | cápsula dura gastrorresistente | Marketed | Chiesi Farmaceutici S.P.A. |
| Procysbi 75 MG Capsulas Duras Gastrorresistentes | 🇪🇸Spain | 75 mg | cápsula dura gastrorresistente | Marketed | Chiesi Farmaceutici S.P.A. |
| Cystagon, capsules 50 mg | 🇳🇱Netherlands | | Capsule, hard | Authorised | Orphan Europe SARL |
| Cystagon, capsules 150 mgCombination | 🇳🇱Netherlands | | Capsule, hard | Authorised | Orphan Europe SARL |
| Cystadrops | 🇪🇺European Union | | | Authorised | Recordati Rare Diseases |
| Cystagon | 🇪🇺European Union | | | Authorised | Recordati Rare Diseases |
| Procysbi | 🇪🇺European Union | | | Authorised | Chiesi Farmaceutici S.p.A |
| Procysbi 25 mg maagsapresistente capsule | 🇳🇱Netherlands | | Capsule, hard | Authorised | Chiesi Farmaceutici S.p.A. |
| Procysbi 75 mg maagsapresistente capsules | 🇳🇱Netherlands | | Capsule, hard | Authorised | Chiesi Farmaceutici S.p.A. |
| Cystadrops 3,8 MG/ML Colirio en Solucion | 🇪🇸Spain | 5,6 mg | colirio en solución | Authorised | Recordati Rare Diseases |
| Cystadrops 3,8 mg/ml oogdruppels, oplossing | 🇳🇱Netherlands | | Oogdruppels, oplossing | Authorised | Orphan Europe SARL |
| Procysbi 75 mg, maagsapresistent granulaat | 🇳🇱Netherlands | | Maagsapresistent granulaat | Authorised | Chiesi Farmaceutici S.p.A. |
| Procysbi 300 mg, maagsapresistent granulaat | 🇳🇱Netherlands | | Maagsapresistent granulaat | Authorised | Chiesi Farmaceutici S.p.A. |
| Cystadrops | 🇮🇹Italy | | Collirio, soluzione | Authorised | Recordati Rare Diseases Sarl |
| Cystagon | 🇮🇹Italy | | Capsula rigida | Authorised | Recordati Rare Diseases Sarl |
| Cystaran | 🇺🇸United States | 0.44% BASE | solution/drops | Marketed | Leadiant Biosci INC |
| Procysbi | 🇮🇹Italy | | Capsula rigida gastroresistente | Authorised | Chiesi Farmaceutici S.P.A. |
| Procysbi | 🇺🇸United States | 25MG BASE, 75MG BASE | capsule, delayed release | Marketed | Horizon |
| Procysbi | 🇺🇸United States | 300MG BASE/PACKET, 75MG BASE/PACKET | granule, delayed release | Marketed | Horizon |
