Evaluation of the Diagnostic and Prognostic Value of Immunohistochemical Markers in Precancerous Lesions of the Cervix
NCT ID: NCT06852157
Last Updated: 2025-02-28
Study Results
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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NOT_YET_RECRUITING
NA
100 participants
INTERVENTIONAL
2025-02-28
2026-02-28
Brief Summary
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Detailed Description
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In particular, squamous cell carcinoma accounts for about 70% of cervical cancers; its precursor is called 'cervical intraepithelial neoplasia' (CIN) or 'squamous intraepithelial lesion' (SIL) and is classified according to the degree of dysplasia. The 'CIN' classification system defines three categories: CIN1 (dysplasia limited to the lower third of the epithelium), CIN2 (dysplasia extending into the middle third of the epithelium) and CIN3 (dysplasia extending into the upper third of the epithelium). More recently, the 'CIN' system has been replaced by the 'SIL' system, which appears more reproducible and biologically relevant. The 'SIL' system reduces the categories from three to two: low grade - SIL (L - SIL, overlapping CIN1) and high grade - SIL (H - SIL, grouping CIN2 and CIN3 together).
Several diagnostic markers have been proposed, such as athanogene 3 associated with Bcl - 2 (BAG3) and others with prognostic value such as topoisomerase 2A (TOP2), minichromosome maintenance protein 2 (MCM 2), Ki-67, P16INK4, P-53 associated with cervical cancer. However, there is no strong evidence for the association of these markers with precancerous lesions.
Our study therefore aims to investigate the diagnostic and prognostic value of Bcl-associated athanogene 3 - 2 (BAG3) in patients diagnosed with CIN/SIL undergoing colposcopic cervical biopsies or conization.
This clinical trial is therefore a tissue-based, diagnostic and prognostic accuracy, retrospective cohort, single-center, non-profit, pilot study and foresees that histological sections obtained at the time of initial diagnosis will be re-evaluated in blinded fashion by two pathologists regarding histological diagnosis, histotype, histological grading, lymphocytic infiltrate. They will then be subjected to immunohistochemistry according to the specific protocol for BAG3.
Conditions
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Keywords
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Study Design
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NA
SINGLE_GROUP
DIAGNOSTIC
NONE
Study Groups
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Patients diagnosed with precancerous lesions of the cervix CIN/SIL
Patients diagnosed with precancerous lesions of the cervix CIN/SIL undergoing diagnostic biopsy/uterine conization since January 2000
Tissue, diagnostic and prognostic accuracy
The clinical data and histological samples of patients with a diagnosis of CIN/SIL on cervical biopsies or conization (performed as required by the normal procedure) will be consecutively acquired from all those taken at the Operative Unit of Gynaecology and Physiopathology of Human Reproduction starting from January 2000 and stored at the Operative Unit of Pathological Anatomy and Histology.
Samples fixed in neutral buffered formalin and paraffin added at 50°C will be analysed by repeating histological examination and performing immunohistochemistry for BAG3. All analyses will be performed blinded to the clinical data of the patients and the results of the original examinations. No patients will be examined ex novo, as only paraffin-embedded tissue samples obtained at the time of the initial diagnosis will be analysed.
Interventions
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Tissue, diagnostic and prognostic accuracy
The clinical data and histological samples of patients with a diagnosis of CIN/SIL on cervical biopsies or conization (performed as required by the normal procedure) will be consecutively acquired from all those taken at the Operative Unit of Gynaecology and Physiopathology of Human Reproduction starting from January 2000 and stored at the Operative Unit of Pathological Anatomy and Histology.
Samples fixed in neutral buffered formalin and paraffin added at 50°C will be analysed by repeating histological examination and performing immunohistochemistry for BAG3. All analyses will be performed blinded to the clinical data of the patients and the results of the original examinations. No patients will be examined ex novo, as only paraffin-embedded tissue samples obtained at the time of the initial diagnosis will be analysed.
Eligibility Criteria
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Inclusion Criteria
* Obtaining written informed consent for the use of biological samples
* Patients aged 18 years and over
18 Years
FEMALE
No
Sponsors
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IRCCS Azienda Ospedaliero-Universitaria di Bologna
OTHER
Responsible Party
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Principal Investigators
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Paolo Casadio, MD
Role: PRINCIPAL_INVESTIGATOR
IRCCS Azienda Ospedaliero-Universitaria di Bologna
Locations
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IRCCS Azienda Ospedaliero-Universitaria di Bologna
Bologna, , Italy
Countries
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Central Contacts
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Facility Contacts
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Paolo Casadio, MD
Role: primary
Giulia Borghese, MD
Role: backup
Other Identifiers
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cervix-IHC
Identifier Type: -
Identifier Source: org_study_id