Efficacy of Nifedipine for inhibit uterine contraction in threatened preterm labor

Status

Active, not recruiting

Phases

Phase 1

Study type

Observational

Source

TCTR

Registry ID

TCTR20160805002

Enrollment

250

Registered

2016-08-05

Start date

2016-08-02

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Threatened preterm labor Threatened preterm labor

Interventions

Pregnancy who have threatened preterm labor that treat by Nifedipine ,Pregnancy who have threatened preterm labor that treat by only bed rest with placebo

Treatment,Treatment

Pregnancy who have threatened preterm labor that treatment by Nifedipine drug,Placebo

Eligibility

Sex/Gender

All

Age

13 Years to 50 Years

Inclusion criteria

Inclusion criteria: Single pregnancy who have Gestational age 24 0/7 to 36 6/7 weeks ,corrected by accurated Last menstrual period or ultrasound in first trimester that were diagnosed for threatened preterm labor

Exclusion criteria

Exclusion criteria: Pregnancy in active phase of labor (cervical dilatation over 3cm or have premature rupture of membrane Pregnancy who have cervical insufficiency (diagnosed by history of pregnancy loss in second trimester or early third trimester over 1 time

Design outcomes

Primary

Measure	Time frame
Nifedipine 6months Efficiency of Nifedipine	—

Secondary

Measure	Time frame
Efficacy of nifedipine for inhibit uterine contraction in threatened preterm labor 12hours Uterine contraction	—

Countries

Thailand

Contacts

Public ContactChanawadee Na Nan

Udonthani hospital

Kenryoku_f_@hotmail.com098-814-6696

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026