Evaluation of a Serology Diagnostic Kit for the Detection of Genital Mycoplasma in Pregnancy

NCT ID: NCT01281319

Last Updated: 2011-01-21

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

300 participants

Study Classification

OBSERVATIONAL

Study Start Date

2011-01-31

Study Completion Date

2012-12-31

Brief Summary

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Subclinical urogenital infections have been implicated in up to 70% of adverse pregnancy outcome, especially preterm labor and delivery. The most prevalent microorganisms involved in intrauterine infections are urogenital Mycoplasmas. Diagnosis by culturing or PCR merely detect the presence of the bacteria, pointing to colonized carriers only. There is no efficient and reliable diagnostic test to identify those subjects that have developed an infectious disease and are at risk of developing adverse pregnancy outcome.

In order to identify women at risk for developing pregnancy complications, Promyco Diagnostics has developed a proprietary, simple and non-invasive serology diagnostic kit for the detection of urogenital Mycoplasma infection.

Detailed Description

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Preterm labor and delivery are the major causes of peri-natal mortality and morbidity, accounting for 9-13% of all births, and associated with over 75% of infant mortality.

Subclinical urogenital infections have been implicated in up to 70% of adverse pregnancy outcome, especially preterm labor and delivery . The most prevalent microorganisms involved in intrauterine infections are urogenital Mycoplasmas. These bacteria are frequently found in the lower genital tract of sexually active men and women and are often considered as normal flora. However, Mycoplasma can spread and colonize the internal membranes and elicit an inflammatory response in the uterus initiating the cascade of events leading to precipitous delivery. It may also cause additional pregnancy complications such as chorioamnionitis, recurrent spontaneous abortions and postpartum endometritis.

Traditional diagnostic methods, such as microbial culturing or PCR, merely detect the presence of the bacteria, pointing to colonized carriers only. There is no efficient and reliable diagnostic test to identify those subjects that have developed an infectious disease and are at risk of developing adverse pregnancy outcome.

Studies show that colonization of the cervix or amniotic fluid alone cannot accurately predict pregnancy complications. In contrast, identification of antibodies to Mycoplasma in colonized women predicted an outstanding 85-90% of low birth weight or preterm delivery respectively.

In order to identify women at risk for developing pregnancy complications, Promyco Diagnostics has developed a proprietary, simple and non-invasive serology diagnostic kit for the detection of urogenital Mycoplasma infection.

Conditions

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Genital Mycoplasma Infection High Risk Pregnancy Preterm Labor

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Asymptomatic normal pregnant women

No interventions assigned to this group

Women with high risk pregnancy

Women at risk for preterm birth or recurrent abortions that are being followed at the high risk pregnancy unit (outpatients clinic, high risk day care center)

No interventions assigned to this group

Women admitted with preterm labor

Women that are admitted to the gynecology department due to pregnancy complications: preterm labor with intact membranes (PTL) or with preterm PROM.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

1. Women who are 18 years of age or older.
2. Normal pregnancy at first trimester, or
3. Women admitted with PTL, defined as the presence of regular uterine contractions associated with progressive effacement and dilatation of the uterine cervix, or
4. Women admitted with PROM, defined as rupture of the chorioamniotic membranes before the onset of labor and diagnosed by sterile speculum examination confirming pooling of amniotic fluid in the vagina, positive nitrazine test or incase of diagnostic amniocentesis leakage of indigocarmine through the uterine cervix, or
5. Women admitted with chorioamnionitis, an inflammation of the fetal membranes (amnion and chorion), or
6. Past pregnancy complications, including recurrent abortions, stillbirth, fetal loss, history of spontaneous preterm labor and/or delivery, or
7. Recurrent abortions

Exclusion Criteria

1. High risk pregnancy due to: gestional diabetes, preeclampsia, small for gestational age fetus.
2. Multiple gestation.
3. Pre-existing chronic illness - high blood pressure, heart disease, diabetes, lupus, asthma, a seizure disorder, or another longstanding medical problem.
Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes

Sponsors

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Soroka University Medical Center

OTHER

Sponsor Role collaborator

Promyco Diagnostics

INDUSTRY

Sponsor Role lead

Responsible Party

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Soroka Medical Center

Principal Investigators

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Offer Erez, MD

Role: PRINCIPAL_INVESTIGATOR

Soroka University Medical Center

Locations

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Soroka University Medical Center

Beersheba, , Israel

Site Status RECRUITING

Countries

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Israel

Facility Contacts

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Offer Erez, MD

Role: primary

Sari Sagiv, PhD

Role: backup

References

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Horowitz S, Mazor M, Horowitz J, Porath A, Glezerman M. Antibodies to Ureaplasma urealyticum in women with intraamniotic infection and adverse pregnancy outcome. Acta Obstet Gynecol Scand. 1995 Feb;74(2):132-6. doi: 10.3109/00016349509008922.

Reference Type BACKGROUND
PMID: 7900509 (View on PubMed)

Cassell GH, Davis JK, Waites KB, Rudd PT, Talkington D, Crouse D, Horowitz SA. Pathogenesis and significance of urogenital mycoplasmal infections. Adv Exp Med Biol. 1987;224:93-115. doi: 10.1007/978-1-4684-8932-3_10.

Reference Type BACKGROUND
PMID: 3329816 (View on PubMed)

Horowitz S, Mazor M, Romero R, Horowitz J, Glezerman M. Infection of the amniotic cavity with Ureaplasma urealyticum in the midtrimester of pregnancy. J Reprod Med. 1995 May;40(5):375-9.

Reference Type BACKGROUND
PMID: 7608879 (View on PubMed)

Other Identifiers

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SOR510010CTIL

Identifier Type: -

Identifier Source: org_study_id

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