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Analysis of the Safety and Efficacy of Single-Port Laparoscopic Pregnancy Lesion Removal and Scar Defect Repair After Uterine Artery Occlusion with Bulldog Clamps for Type IIb and III Cesarean Scar Pregnancy: a protocol of a prospective, open-label and randomized clinical trial

Analysis of the Safety and Efficacy of Single-Port Laparoscopic Pregnancy Lesion Removal and Scar Defect Repair After Uterine Artery Occlusion with Bulldog Clamps for Type IIb and III Cesarean Scar Pregnancy: a protocol of a prospective, open-label and randomized clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600121042
Enrollment
Unknown
Registered
2026-03-24
Start date
2026-03-24
Completion date
Unknown
Last updated
2026-03-30

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

Conditions

cesarean scar pregnancy

Interventions

Bulldog Clamp Group:The main trunks of the uterine arteries will be clamped separately with Bulldog clamps.
UAE Group:Bilateral uterine artery embolization (UAE) will be performed under the surveillance of digital subtraction angiography (DSA).

Sponsors

West China Second University Hospital of Sichuan University (WCSUH- SCU)
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. Diagnosed with type IIb or III CSP. 2. Aged between 20 and 40 years old. 3. Participants without severe internal or surgical comorbidities. 4. Participants must voluntarily to terminate the pregnancy and sign the surgical informed consent form. 5. Participants should have a full understanding of the study content, voluntarily participate in the study and sign the informed form.

Exclusion criteria

Exclusion criteria: 1.Participants with severe heart, liver, kidney, coagulation dysfunction or contraindications to anesthesia. 2.Diagnosed with type IIIb CSP accompanied by massive uterine arteriovenous fistula(UAVF). 3.Participants who are allergic to contrast agents. 4.Participants who refuse to receive surgical treatment. 5. Other situations that researchers consider unsuitable for inclusion.

Design outcomes

Primary

MeasureTime frame
Intraoperative blood loss;

Secondary

MeasureTime frame
Surgical success rate;Incidence of intra- and postoperative complications.;Operation time;Changes in ovarian function parameters at 3 months after surgery;

Countries

China

Contacts

Public ContactQi Xiaorong

West China Second University Hospital of Sichuan University (WCSUH- SCU)

qixiaorong73@163.com+86 28 88570638

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 4, 2026