NCT03516292

Brief Summary

The objective of this study is to investigate the role of certain biomarkers in the initial assessment of women with overactive bladder (OAB). Nerve Growth Factor (NGF) levels, measured in urine samples, and bladder wall thickness (BWT), determined by two-dimensional transvaginal ultrasound, are two of those markers. The investigators hypothesize that the pre-operative determination of these biomarkers in women suffering from genital prolapse and overactive bladder could lead to a more accurate prognosis of the post-operative course of overactive bladder symptoms in women undergoing surgical treatment of prolapse.

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
108

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Jan 2018

Longer than P75 for all trials

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

Study Start

First participant enrolled

January 29, 2018

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

April 22, 2018

Completed
12 days until next milestone

First Posted

Study publicly available on registry

May 4, 2018

Completed
3.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 30, 2022

Completed
11 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2022

Completed
Last Updated

December 13, 2021

Status Verified

December 1, 2021

Enrollment Period

4 years

First QC Date

April 22, 2018

Last Update Submit

December 1, 2021

Conditions

Keywords

overactive bladderbiomarkernerve growth factorvaginal prolapseurinary incontinence

Outcome Measures

Primary Outcomes (2)

  • Urinary NGF as a biomarker for OAB symptoms in women with POP

    Determination of urinary NGF levels' change as a reliable prognostic factor for the treatment of OAB in women with POP before and after surgical repair

    Two samples will be taken at the time of recruitment (Month 0) at three months post-operatively (Month 3).

  • Urinary NGF as a biomarker for OAB symptoms in women with POP

    Determination of urinary NGF levels' change as a reliable prognostic factor for the treatment of OAB in women with POP before and after surgical repair.

    Two samples will be taken at the time of recruitment (Month 0) and at the 1 years follow up appointment post-operatively (Month 12)

Secondary Outcomes (1)

  • BWT as a biomarker for OAB symptoms in women with POP

    Ultrasound will take place before surgery repair (Month 0) at three months post-operatively (Month 3).

Study Arms (2)

OAB-POP group

As an Observational Case-Control Study, the participants will divided in two groups depending whether they suffer from overactive bladder symptoms or not. All participants will have POP.

Diagnostic Test: Urinary Nerve Growth Factor

POP only group

As an Observational Case-Control Study, the participants will divided in two groups depending whether they suffer from overactive bladder symptoms or not. All participants will have POP.

Diagnostic Test: Urinary Nerve Growth Factor

Interventions

The subjective patient's discomfort regarding the vaginal prolapse problems and urinary incontinency symptoms will be assessed through the following questionnaires: (a) ICIQ-OAB (b) ICIQ FLUTS (c) ICIQ-VS. Determination of the bladder neck of urethra in midsagittal plane using a transvaginal two-dimensional ultrasound machine at lithotomy position in rest (point OA) and on Valsalva maneuver (point OB). Bladder Neck Mobility is defined as the difference from point OA to OB. BWT is determined and measured as the hypoechoic layer between two hyperechoic layers that is recognized as the urothelium and the perivesical tissue using a transvaginal two-dimensional ultrasound machine at lithotomy position. The measurement is performed with a bladder volume \<30 ml and is taken place in 3 different bladder sites: (a) the thickest part of the bladder triangle, (b) the dome of the bladder in the midline, (c) the anterior wall of the bladder. NGF will be measured in urine sample.

Also known as: Bladder Wall Thickness, Bladder Neck Mobility, Clinical Assessment of Subjective Vaginal and Urinary Symptoms
OAB-POP groupPOP only group

Eligibility Criteria

Age18 Years - 100 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Women that visited outpatients Gynecology Department, 1st Department Obstetrics and Gynecology, Aristotle University of Thessaloniki, General Hospital Papageorgiou of Thessaloniki, complaining for vaginal prolapse and possible concomitant urinary problems.

You may qualify if:

  • Adult women that are able to communicate and understand comprehensively Greek Language and present vaginal prolapse problems.

You may not qualify if:

  • Male patients as well children will be excluded.
  • Women that have already operated once for pelvic organ prolapse.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Aristotle University of Thessaloniki

Thessaloniki, Central Macedonia, 54124, Greece

RECRUITING

Related Publications (43)

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    PMID: 3735523BACKGROUND
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    PMID: 8312940BACKGROUND
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    PMID: 1939656BACKGROUND
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Biospecimen

Retention: SAMPLES WITHOUT DNA

Urine sample of female patients with POP and POP with OAB

MeSH Terms

Conditions

Urinary Bladder, OveractiveHereditary Sensory and Autonomic NeuropathiesUterine ProlapseUrinary Incontinence

Condition Hierarchy (Ancestors)

Urinary Bladder DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital DiseasesLower Urinary Tract SymptomsUrological ManifestationsSigns and SymptomsPathological Conditions, Signs and SymptomsNervous System MalformationsNervous System DiseasesHeredodegenerative Disorders, Nervous SystemNeurodegenerative DiseasesPolyneuropathiesPeripheral Nervous System DiseasesNeuromuscular DiseasesCongenital AbnormalitiesCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesGenetic Diseases, InbornUterine DiseasesGenital Diseases, FemaleGenital DiseasesPelvic Organ ProlapseProlapsePathological Conditions, AnatomicalUrination Disorders

Study Officials

  • Themistoklis Mikos, MD PhD

    Aristotle University Of Thessaloniki

    STUDY DIRECTOR

Central Study Contacts

Sofia Tsiapakidou, PhDc

CONTACT

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator, PhD Candidate, Resident Doctor in Obstetrics & Gynecology,

Study Record Dates

First Submitted

April 22, 2018

First Posted

May 4, 2018

Study Start

January 29, 2018

Primary Completion

January 30, 2022

Study Completion

December 30, 2022

Last Updated

December 13, 2021

Record last verified: 2021-12

Locations