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Validation of efficacy of cervical cerclage in patients with short cervical length

Validation of efficacy of cervical cerclage in patients with short cervical length - Efficacy of cervical cerclage (RCT)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000001870
Enrollment
300
Registered
2009-04-20
Start date
2005-09-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Pregnant women with subclinical infection and cervical length &amp

Interventions

Group receiving McDonald cervical cerclage Group receiving Shirodkar cervical cerclage Bed-rest therapy

Sponsors

Japan Organization of Prevention of Preterm Delivery
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: (1) Pregnant women between week 16 day 0 and week 26 day 6 of gestation (2) Cervical length less than 25.0 mm as diagnosed by transvaginal ultrasonography (3) Pregnant women testing positive for subclinical infection*1 who do not have infection that could potentially determine the mode of delivery (such as HIV, HSV, or condyloma, etc.) (4) Patients who have voluntarily provided written consent to participate in this trial, after having been thoroughly briefed, and informed of the nature of the trial (if the patient is under 20 years old, written consent must be obtained from the spouse (if the spouse is younger than 20 years old) or parent of the minor) (5) Patients with stable functionality of major organs, confirmed by meeting the following laboratory test standards: 1)White blood cell count ≥3,000/mm3, ≤20,000/mm3 2) Red blood cell count ≥50,000/mm3 3) Hemoglobin ≥8.0g/dL 4)AST (GOT) <2.5 times upper limit of standard level of each test center 5) ALT (GPT) <2.5 times upper limit of standard level of each test center 6) BUN ≤25 mg/dL 7) Serum creatinine ≤2 mg/dL

Exclusion criteria

Exclusion criteria: (1) Multiple pregnancy involving more than 3 fetuses (2) Placenta previa (3) Premature separation of normally implanted placenta (4) Serious fetal abnormality (5) Patients in whom fetal well-being cannot be confirmed (6) Patients who previously underwent cervical cerclage during current pregnancy (7) Patients with signs of threatened premature delivery*2 (8) Patients with complications of psychiatric disease or psychiatric symptoms whose participation in the trial is judged to be infeasible (9) Other patients judged to be ineligible by attending physician

Design outcomes

Primary

MeasureTime frame
Gestational week of delivery Neonatal mortality rate Neonatal morbidity

Secondary

MeasureTime frame
Percentage of patients using a tocolytic agent (ritodrine hydrochloride preparation, magnesium sulfate preparation) Mean birth weight

Countries

Japan

Contacts

Public ContactNorio SHINOZUKA

Showa University Obstetrics anc Gynecology

shinoz-tky@umin.ac.jp03-3784-8000

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026