A Study to Test Long-term Treatment With Spesolimab in Patients With Fistulising Crohn's Disease Who Took Part in Previous Trials

Inclusion Criteria: 1. Patient older than 18 years 2. Has completed all treatments (placebo or active treatment) and the end of treatment (EOT) visit in the parent induction trial in fistulising Crohn's Disease (CD) and is willing and able to continue treatment in 1368-0007 3. Has obtained an individual health benefit, per investigator judgement (such as fistula response or remission or other clinical improvement), from treatment in the parent trial 4. Signed and dated written informed consent for 1368-0007 in accordance with GCP and local legislation prior to admission into the trial 5. Women of childbearing potential (WOCBP) must be ready to use highly effective methods of birth control per ICH M3 (R2) that result in a low failure rate of less than 1% per year when used consistently and correctly. A list of contraception methods meeting these criteria is provided in the patient information Exclusion Criteria: 1. Have experienced treatment-limiting adverse events during induction treatment with study drug 2. Have developed any condition which meets the exclusion criteria from the original induction study 3. Any condition which in the opinion of the investigator affects the safety or ability to participate in this trial