Skip to content

Pain Relief with Low-Intensity Focused Ultrasound After First-Trimester Surgical Abortion: A Multicenter, Randomized Controlled Trial

A Prospective, Multicenter, Randomized, Sham-Controlled, Blinded, Superiority Clinical Trial Evaluating the Efficacy and Safety of Ultrasound Uterine Rehabilitation Device for Analgesia after Induced Abortion

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600130810
Enrollment
Unknown
Registered
2026-08-25
Start date
2022-11-04
Completion date
Unknown
Last updated
2026-08-31

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

Conditions

Postoperative Analgesia for Induced Abortion

Interventions

treatment group:low intensity focused ultrasound therapy

Sponsors

Sichuan Provincial Maternity and Child Health Care Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1. Age >= 18 years; 2. Patients with early intrauterine pregnancy undergoing induced abortion for pregnancy termination; 3. Patients with a post-abortion NRS (Numerical Rating Scale) pain score >= 4; 4. Signed informed consent and voluntary participation in the trial.

Exclusion criteria

Exclusion criteria: 1. Patients with skin lesions at the intended treatment site, such as ulceration, infection, or large blisters; 2. Individuals with cognitive impairment who are unable to communicate or cooperate; 3. Patients with metallic implants in the uterine cavity; 4. Patients who experienced major complications during the abortion procedure, such as severe hemorrhage or uterine perforation; 5. Patients who have participated in other clinical trials within the past three months; 6. Any other conditions deemed by the investigator as unsuitable for trial participation.

Design outcomes

Primary

MeasureTime frame
NRS (Numerical Rating Scale) pain score;

Secondary

MeasureTime frame
15-minute post-treatment NRS score reduction value;patient departure time;NRS score reduction at departure;

Countries

China

Contacts

Public ContactLi Shengmei

Sichuan Provincial Maternity and Child Health Care Hospital

496397224@qq.com+86 139 8186 0878

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Sep 19, 2026