A Study Of Cryptoglandular Fistula-in-ano And Associated Non-healing Draining Wounds With Kerecis SurgiClose

Inclusion Criteria: * Adults age ≥18 years old * Cryptoglandular fistula-in-ano (primary or recurrent) * The ability to give appropriate consent Exclusion Criteria: * Age \<18 years old * Pregnant (as determined by urine test) * Any known allergies or sensitivities to fish material * Prisoners * Inflammatory bowel disease * Fistula-in-ano associated with: * Anal cancer * Rectal cancer * Extramammary Paget's disease * Hidradenitis suppurativa * Anal condyloma * Active infection / abscess