| Not Yet Recruiting | Effectiveness of Artificial Intelligence - Assisted Colonoscopy in Colorectal Neoplasms Colonic Neoplasms, Colonic Polyp, Diagnosis | N/A | 2024-07-01 |
| Recruiting | Combined Method of Surgical Treatment of Anal Fissure Chronic Anal Fissure | N/A | 2023-09-01 |
| Unknown | Botulinum Toxin Type A in the Treatment of Chronic Anal Fissure Chronic Anal Fissure | N/A | 2022-09-01 |
| Recruiting | Prospective Multicenter Registry Study to Assess the Frequency of Lynch Syndrome Among Patients With Colorecta Colorectal Cancer, Lynch Syndrome, Hereditary Colorectal Cancer | — | 2022-08-01 |
| Unknown | Surgical Treatment of a Chronic Anal Fissure Chronic Anal Fissure | N/A | 2021-11-01 |
| Unknown | The Laparoscopic Right Colectomy With Intracoroporeal Anastomosis Colon Cancer | N/A | 2021-09-01 |
| Unknown | Treatment of Hemorrhoid With 1940nm Laser Procedure Hemorrhoids | N/A | 2021-01-26 |
| Unknown | Full-thickness Laparo-endoscopic Excision vs Laparoscopic Colectomy for Colonic Tumors Colorectal Neoplasms, Benign | N/A | 2020-12-01 |
| Unknown | Endoscopic Mucosal Resection With Circumferential Incision for Colorectal Neoplasms Endoscopic Mucosal Resection With Circumferential Incision | N/A | 2020-11-27 |
| Unknown | Total Neoadjuvant Therapy in Rectal Cancer Treatment Rectal Cancer | Phase 4 | 2020-10-30 |
| Unknown | Palliative Primary Tumor Resection in Minimally Symptomatic Patients With Colorectal Cancer and Synchronous Un Colorectal Neoplasms, Intestinal Neoplasms, Gastrointestinal Neoplasms | — | 2020-10-29 |
| Recruiting | Complex Treatment of a Chronic Anal Fissure Fissure in Ano | Phase 4 | 2019-09-01 |
| Completed | Russian Extremely Severe Ulcerative Colitis Study Ulcerative Colitis, Inflammatory Bowel Diseases | — | 2019-06-20 |
| Unknown | Cold Snare Polypectomy of Non-pedunculated Colorectal Adenomas Colorectal Polyp | N/A | 2019-01-20 |
| Unknown | MUTYH-associated Polyposis MutYH-associated Polyposis | N/A | 2018-10-10 |
| Unknown | Endoscopic Submucosal Dissection Versus Transanal Endoscopic Microsurgery For Early Rectal Neoplasms And Large Early Rectal Cancer, Large Rectal Adenomas | N/A | 2018-09-24 |
| Unknown | Cold Argon Plasma (CAP) Application in the Wound Treatment After Open Hemorrhoidectomy Cold Argon Plasma | N/A | 2018-09-01 |
| Completed | Quality of Life After Transanal Endoscopic Microsurgery (TEM) Transanal Endoscopic Microsurgery (TEM) | — | 2018-04-01 |
| Completed | Inflammation Biomarkers in the Diagnosis of Postoperative Infectious Complications in Colorectal Cancer Surger Colorectal Cancer | — | 2018-01-15 |
| Unknown | Contrast-enhanced Bowel Ultrasound in Making a Diagnosis and Follow-up of Patients With Inflammatory Bowel Dis Inflammatory Bowel Disease | N/A | 2018-01-10 |
| Completed | Feasibility of Intraperitoneal Chemotherapy in the Surgical Treatment of Colon Cancer cT4 Colon Cancer | N/A | 2018-01-09 |
| Unknown | Endorectal Three-dimensional Ultrasound in the Diagnosis of Cryptogenic Fistulas of the Rectum. Anal Fistula | N/A | 2017-12-30 |
| Completed | A Study of Perfusion of Colorectal Anastomosis Using FLuorescence AnGiography (FLAG-trial) Rectal Cancer, Sigmoid Cancer | N/A | 2017-11-09 |
| Unknown | Antibiotic Prophylaxis in Rectal Cancer Surgery: Oral With Intravenous Versus Intravenous Antibiotics. Rectal Cancer | N/A | 2017-11-06 |
| Unknown | Treatment of Transsphicteric Fistula-in-ano by Method of Laser Thermoobliteration(FiLaC™). Anal Fistula | N/A | 2017-10-23 |