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Comparative Study Between Vaginal Progesterone Alone or Combined With Aspirin in Prevention of Recurrent Preterm Birth

Comparative Study Between Vaginal Progesterone Alone or Combined With Aspirin in Prevention of Recurrent Preterm Birth

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05319834
Acronym
prematurity
Enrollment
256
Registered
2022-04-08
Start date
2022-04-01
Completion date
2023-12-31
Last updated
2024-01-16

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

Conditions

Preterm Birth

Brief summary

This is a double blinded randomized placebo controlled clinical trial to detect the efficacy and safety of vaginal progesterone alone or combined with aspirin in prevention of recurrent PTB.

Detailed description

The included women will be randomly allocated to prophylactically receive either vaginal progesterone at a dose of 200 mg (prontogest 200mg every 12 hr) combined with oral aspirin at a dose of 100mg once daily both at the same time (group1), or vaginal progesterone (prontogest 200mg every 12 hr) and oral placebo (manufactured in a standard way to have the same size and shape of asprin tablet) also at the same time (group 2).

Interventions

group1: oral aspirin at a dose of 100mg once daily at the same time with progesterone

DRUGPlacebo

group 2: oral placebo once daily at the same time with progesterone

Sponsors

Menoufia University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Masking description

All participants and investigators

Intervention model description

To detect the efficacy and safety of vaginal progesterone alone or combined with aspirin in prevention of recurrent PTB.

Eligibility

Sex/Gender
FEMALE
Healthy volunteers
No

Inclusion criteria

1. Women of any age 2. Any parity 3. Healthy singleton pregnancy 4. History suggestive of one or more previous PTB 5. Current pregnancy (16-20) weeks gestation.

Exclusion criteria

1. Multifetal pregnancy. 2. History of ante partum PROM. 3. Cervical Incompetence or current cervical cerclage. 4. Known fetal anomaly. 5. Hypertension requiring medications. 6. History of Thrombo-embolic disorders. 7. Known allergy to progesterone or asprin. 8. Known liver disease. 9. Established preterm labor 10. Short cervix

Design outcomes

Primary

MeasureTime frameDescription
Number of participants who will deliver before 34 weeks gestation.18 monthNumber of participants who have preterm delivery before 34 weeks gestation

Secondary

MeasureTime frameDescription
The number of participants who have prolongation of pregnancy after 34 till 37 weeks gestation18 monthsNumber of participants who will deliver after 34w gestation and neonatal outcomes
Neonatal outcomes18 monthsNeonatal birth weight Admission to NICU Neonatal complications

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026