A Study of Guselkumab in Participants With Fistulizing, Perianal Crohn's Disease

Inclusion Criteria:

• Must have a diagnosis of Crohn's disease with a minimum duration of at least 3months

• Has at least one active draining perianal fistula as a complication of Crohn'sdisease, confirmed by screening magnetic resonance imaging (MRI) results

• Has previously demonstrated lack of initial response (that is primarynon-responders), responded initially but then lost response with continued therapy (that is secondary non-responders), or were intolerant to a maximum of 2 classes ofadvanced drug therapies at a dose approved for the treatment of Crohn's disease (that is infliximab, adalimumab, certolizumab pegol, vedolizumab, or approvedbiosimilars for these agents) or JAK inhibitors licensed for Crohn's diseasetreatment (that is, upadacitinib)

Exclusion Criteria:

• Has a very severe luminal disease activity

• History of concurrent rectovaginal fistulas (other types of concurrent fistulashould be confirmed with the sponsor), rectal and/or anal stenosis, stoma orfunctioning ostomy (include all current stoma types abscess or collections which arenot properly drained) colonic mucosal dysplasia or pre-cancerous lesions that havenot been removed, demyelinating disease, or systemic lupus erythematosus

• Has complications of CD, such as symptomatic strictures or stenoses, short gutsyndrome, or any other manifestation that might be anticipated to require surgery orpreclude fistula evaluation

• Any medical contraindications preventing study participation

• Has a history of ongoing, chronic or recurrent enteral or systemic infectiousdisease