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Efficacy and safety of adjunct trophoblastic microcirculation occlusion followed by ultrasound-guided vacuum aspiration with or without hysteroscopy in the treatment of cesarean scar pregnancy

Efficacy and safety of adjunct trophoblastic microcirculation occlusion followed by ultrasound-guided vacuum aspiration with or without hysteroscopy in the treatment of cesarean scar pregnancy

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500112627
Enrollment
Unknown
Registered
2025-11-17
Start date
2025-12-01
Completion date
Unknown
Last updated
2025-11-24

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

Conditions

Cesarean scar pregnancy

Interventions

Adjunct trophoblastic microcirculation occlusion followed by ultrasound-guided vacuum aspiration with hysteroscopy group:None
Adjunct trophoblastic microcirculation occlusion followed by ultrasound-guided vacuum aspiration without hysteroscopy group:None

Sponsors

Hangzhou Women's Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1.A history of cesarean delivery and a positive pregnancy test result; 2.Gestational age less than 11 weeks; 3.Transvaginal ultrasound (TVUS) imaging indicating CSP according to the diagnostic criteria: i) an empty uterine cavity and cervical canal were observed; ii) gestational sac was embedded in the anterior isthmus of lower segment of uterus, which may or may not exhibit fetal cardiac activity; iii) thinner or even absent myometrium of the anterior wall of the uterus at the attachment site of the gestational sac; iv) the Doppler ultrasound revealed functional trophoblastic circulation surrounding the gestation sac; v) the gestational sac could extend towards the uterine cavity as pregnancy progressed, but the placenta stayed anchored in the area of the scar in its initial site of implantation; 4.The patients were treated with TMO.

Exclusion criteria

Exclusion criteria: 1.Patients undergoing direct vaginal removal or laparotomy or laparoscopic removal of the pregnancy; 2.Contraindications for curettage or hysteroscopy, such as acute inflammation or temperature over 38?; 3.Patients with severe diseases in the liver, kidney, heart, or lung; 4.Allergy to the ultrasonic contrast agent or lauromacrogol; 5.Unable to cooperate or tolerate with TMO treatment; 6.Unstable vital signs or massive vaginal bleeding before TMO treatment.

Design outcomes

Primary

MeasureTime frame
Success rate of treatment;

Secondary

MeasureTime frame
Serum level of human chorionic gonadotropin;Time for menstruation recovery;Disappearance time of intrauterine mass;Intraoperative blood loss;Number of uterine balloon compression;Number of persistent cesarean scar pregnancy;Hospital stay;Hospitalization cost;Number of re-pregnancies;Pregnancy outcome;

Countries

China

Contacts

Public ContactWenchao Sun

Hangzhou Women's Hospital

attendingsun@sina.com+86 571 5600 5000

Outcome results

None listed

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