NCT01419392

Brief Summary

The purpose of this study is to determine whether sildenafil citrate is effective in improving uterine artery blood flow and oxidative stress in patients with unexplained recurrent miscarriages

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
80

participants targeted

Target at P25-P50 for phase_4

Timeline
Completed

Started Sep 2011

Shorter than P25 for phase_4

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 17, 2011

Completed
1 day until next milestone

First Posted

Study publicly available on registry

August 18, 2011

Completed
14 days until next milestone

Study Start

First participant enrolled

September 1, 2011

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2012

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2012

Completed
Last Updated

April 17, 2012

Status Verified

April 1, 2012

Enrollment Period

7 months

First QC Date

August 17, 2011

Last Update Submit

April 14, 2012

Conditions

Keywords

sildenafil citrateDoppler Ultrasonographynitric oxidetotal antioxidant capacity

Outcome Measures

Primary Outcomes (1)

  • Uterine arteries blood flow

    Uterine arteries blood flow assessed by Doppler U/S by measuring Systolic / diastolic ratio, pulsatility index and resistance index

    21 days

Secondary Outcomes (2)

  • Nitric oxide serum level as a marked of oxidative stress

    21 days

  • Total antioxidant capacity serum level as a marker of oxidative stress

    21 days

Study Arms (2)

Sildenafil citrate

EXPERIMENTAL
Drug: Sildenafil citrate

placebo

PLACEBO COMPARATOR
Drug: matching placebo

Interventions

25 mg orally, 4 times per day for 21 days

Also known as: Silden 25 mg tablet, EIPICO, Inc, Cairo, Egypt
Sildenafil citrate

orally, 4 times per day for 21 days

Also known as: placebo
placebo

Eligibility Criteria

Age18 Years - 35 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Age 18-35 years
  • Three or more recurrent miscarriages before the 24th week of gestation with no apparent cause for their previous losses
  • Three or more months have elapsed since the last abortion
  • Postmenstrual period
  • No other therapy allowed during our treatment course

You may not qualify if:

  • Concomitant use of organic nitrites, or nitrates
  • Severe hepatic, renal, or cardiovascular impairment
  • History of stroke or myocardial infarction
  • Patients with retinitis pigmentosa.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Ain Shams University Maternity Hospital, Obstetrics and Gynecology Department

Cairo, Cairo Governorate, Egypt

Location

MeSH Terms

Conditions

Abortion, Habitual

Interventions

Sildenafil CitrateTablets

Condition Hierarchy (Ancestors)

Abortion, SpontaneousPregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital Diseases

Intervention Hierarchy (Ancestors)

SulfonamidesAmidesOrganic ChemicalsSulfonesSulfur CompoundsPiperazinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsPurinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingDosage FormsPharmaceutical Preparations

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Lecturer of Obstetrics and Gynecology

Study Record Dates

First Submitted

August 17, 2011

First Posted

August 18, 2011

Study Start

September 1, 2011

Primary Completion

April 1, 2012

Study Completion

June 1, 2012

Last Updated

April 17, 2012

Record last verified: 2012-04

Locations