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Withdraw due to duplicate registration  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
ChiCTR2600126054
Enrollment
Unknown
Registered
2026-06-03
Start date
2026-06-05
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

Colorectal cancer

Interventions

Synchronous TMS Group:TMS intervention was initiated one week after the ostomy reversal surgery (when LARS symptoms were significantly present)
Control 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 range: 18 to 75 years old; 2.Meeting the indications for ISR surgery: the lower edge of the rectal adenocarcinoma is within 5 cm from the anal verge or less than 2 cm from the dentate line; the degree of tumor differentiation: moderately or highly differentiated; tumor stage (including after neoadjuvant therapy downstaging): for tumors located above the levator ani hiatus, it should be within T3 stage (without invasion of the puborectalis muscle), and for those below the levator ani hiatus, it should be within T2 stage, with a negative circumferential resection margin required; 3.Protective ileostomy; 4.Completion of digestive tract reconstruction by manual or instrument-assisted anastomosis between the colon and the anus; 5.Informed consent signed;

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 Wexner Incontinence Score (WIS) >=10; 5.neurological or psychiatric disorders (including Parkinson’s disease, Alzheimer’s disease, stroke, history of epilepsy, and other mental disorders); contraindications to TMS; contraindications to functional magnetic resonance imaging (fMRI, e.g., metallic implants, claustrophobia); 6.those who cannot accept or cooperate with TMS treatment; 7.patients with contraindications for fMRI scanning (such as history of internal metal implants, claustrophobia, etc.); 8.pregnancy/lactation;

Design outcomes

Primary

MeasureTime frame
LARS score;

Secondary

MeasureTime frame
The influence of the structure and morphology of the anal canal complex;Wexner Incontinence Score;Kirwan classification;Defecation control function of the rectum;Postoperative quality of life;

Countries

China

Contacts

Public ContactXiang Jianbin

Huashan Hospital, Fudan University

xjbzhw@163.com+86 21 52887040

Outcome results

None listed

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