| Study | Reason for exclusion |
|---|---|
| Bachoud‐Lévi AC (a) | open‐label study |
| Bachoud‐Lévi AC (b) | open‐label study |
| Bachoud‐Lévi AC (c) | open‐label study |
| Beister A | open‐label study |
| Bender A | open‐label study |
| Bloch J | phase I study |
| Bonelli RM (a) | open‐label study |
| Bonelli RM (b) | open‐label study |
| Caro A | Crossover |
| Dubinsky R | phase I study |
| Feigin A | open‐label study |
| Fink JS | open‐label study |
| Hauser RA | non‐controlled |
| Puri BK (b) | n<10 |
| Rosas HD | open‐label study |
| Tabrizi SJ (a) | open‐label study |
| Tabrizi SJ (b) | open‐label study |
| Thomas M | open‐label study |