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A multicenter prospective randomized controlled study on fMRI-guided TMS intervention for LARS after ultra-low anterior resection for rectal cancer

A multicenter prospective randomized controlled study on fMRI-guided TMS intervention for LARS after ultra-low anterior resection for rectal cancer

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600125796
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

Ultra-Low Rectal Tumors

Interventions

Synchronous TMS Group:TMS intervention was initiated one week after the ostomy reversal surgery (when LARS symptoms were significantly present)
Shame TMS Group:Shame TMS intervention

Sponsors

Huashan Hospital, Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Age: 18 - 75 years old 2. Meets the indications for ISR surgery: The lower edge of rectal adenocarcinoma is within 5 cm from the anal verge or less than 2 cm from the anal verge line; Tumor differentiation: moderate or high; Tumor stage (including after neoadjuvant therapy for tumor regression): If the tumor is above the levator ani hiatus, it should be in stage T3 or lower (not invading the puborectalis muscle); If the tumor is below the levator ani hiatus, it should be in stage T2 or lower. The circumferential resection margin should be negative. 3. Perform protective ileal stoma 4. Complete digestive tract reconstruction through manual anorectostomy or instrument-assisted anastomosis 5. Sign the informed consent form

Exclusion criteria

Exclusion criteria: 1. T4 stage tumors above the levator ani muscle hiatus and T3 stage tumors above the levator ani muscle hiatus 2. Presence of distant metastases or tumor recurrence 3. Poorly differentiated or undifferentiated carcinoma 4. Preoperative assessment of poor anal control function (WIS = 10 points) 5. Neurological and psychiatric disorders, such as Parkinson's disease, Alzheimer's disease, brain organic diseases, stroke, epilepsy history, major mental disorders (such as severe depression), etc. 6. Those who cannot accept or cooperate with TMS treatment 7. Inconclusive for fMRI scanning (e.g., history of metal implants in the body, claustrophobia, etc.) 8. Pregnant or lactating women

Design outcomes

Primary

MeasureTime frame
Rectal function scores (LARS score);

Secondary

MeasureTime frame
Rectal function scores (Wexner score);Quality of life Scale (EORTC QLQ-C30); Proctoanal manometry;The influence of the structure and morphology of the anal canal complex;Kirwan classification;

Countries

China

Contacts

Public ContactJianbin Xiang

Huashan Hospital, Fudan University

xiangjianbin@fudan.edu.cn+86 134 7267 2860

Outcome results

None listed

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