Patients with prior fistulotomy, fistulectomy, LIFT, cutting seton or advancement flap procedure 
Fistula with multiple tracts 
Recto-vaginal fistula 
Active infection in the anal fistula 
Physical allergies or cultural objections to porcine products 
Patient is not medically fit to undergo the LIFT procedure as judged by the treating physician 
Previous diagnosis of collagen disorder 
History of Crohn's Disease, Irritable Bowel Syndrome, radiation therapy in the rectoanal region       
    

NCT01602081_exc_T1
Procedure
fistulotomy
NCT01602081_exc_T2
Procedure
fistulectomy
NCT01602081_exc_T3
Procedure
LIFT
NCT01602081_exc_T4
Procedure
cutting seton
NCT01602081_exc_T5
Procedure
advancement flap procedure
NCT01602081_exc_T6
Condition
Fistula
NCT01602081_exc_T7
Qualifier
multiple tracts
NCT01602081_exc_T8
Condition
Recto-vaginal fistula
NCT01602081_exc_T9
Condition
anal fistula
NCT01602081_exc_T10
Condition
infection in the anal fistula
NCT01602081_exc_T14
Condition
collagen disorder
NCT01602081_exc_T15
Condition
Crohn's Disease
NCT01602081_exc_T16
Condition
Irritable Bowel Syndrome
NCT01602081_exc_T17
Procedure
radiation therapy
NCT01602081_exc_T18
Qualifier
rectoanal region
NCT01602081_exc_T19
Observation
History
NCT01602081_exc_T20
Scope
Crohn's Disease, Irritable Bowel Syndrome, radiation therapy in the rectoanal region