Skip to content

Dynamic Changes of Perianal Microecology in Wound Healing After Anal Fistula and Hemorrhoid Operation

Dynamic Changes of Perianal Microecology in Wound Healing After Anal Fistula and Hemorrhoid Operation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600125926
Enrollment
Unknown
Registered
2026-06-01
Start date
2026-06-01
Completion date
Unknown
Last updated
2026-06-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

anal fistula and hemorrhoid

Interventions

Observation group:None

Sponsors

Shanghai Changhai Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1.Aged from 18 to 65 years old, with no restriction on gender; 2.Meeting the diagnostic criteria for anal fistula or hemorrhoid; 3.Scheduled to receive surgical treatment at the collaborative center; 4.Voluntarily participating in this study and signing the informed consent form; 5. Being able to cooperate with sample collection and relevant follow-up procedures.

Exclusion criteria

Exclusion criteria: 1. Combined with intestinal diseases such as inflammatory bowel disease, intestinal tumors, chronic diarrhea and constipation; 2. Patients complicated with underlying endocrine diseases including diabetes and hyperthyroidism; 3.Patients complicated with skin diseases such as psoriasis and vitiligo; 4.Those with immunodeficiency diseases (e.g. HIV infection), autoimmune diseases (e.g. rheumatoid arthritis), or long-term use of immunosuppressants; 5.Received probiotic preparation treatment within 3 months before admission; 6.Pregnant or lactating women; 7.Combined with severe systemic diseases such as hepatorenal insufficiency, cardiovascular diseases and coagulation disorders; 8.With a history of intestinal surgery or perianal trauma within the recent 3 months (excluding anal fistula-related conditions); 9.Those with contraindications or allergies to study-related procedures; 10.Subjects deemed unsuitable for participation in this clinical trial by the researchers.

Design outcomes

Primary

MeasureTime frame
microbial species;Densities of different microbial species;

Countries

China

Contacts

Public ContactShizhao Ji

Shanghai Changhai Hospital

shizhaoji@aliyun.com+86 186 2158 3165

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 11, 2026