Use of High-Resolution Microendoscopy (HRME) in Patients With Cervical Dysplasia

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

COMPLETED

Clinical Phase

EARLY_PHASE1

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-09-23

Study Completion Date

2021-05-14

Brief Summary

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The goal of this clinical research study is to compare a type of imaging called high-resolution microendoscopy (HRME) for detecting abnormal tissue in the cervix to the standard of care, which is visual inspection with acetic acid (VIA) with a colposcopy procedure. Researchers also want to learn if HRME images can show the difference between cancerous tissue and normal cervical tissue.

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RECRUITING

Detailed Description

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If you are found to be eligible to take part in this study, you will first have your scheduled VIA and colposcopy. The study doctor will tell you more about this procedure.

You will then have proflavine hemisulfate solution (contrast dye) applied to your cervix. Images will be collected with the probe from the HRME device. The HRME probe is a long thin tube with a camera at the tip. This should add about 10 minutes to the total procedure time.

The HRME images will be stored in an electronic database and used for research. The images will be deidentified and only the MD Anderson staff will have access. This data will be stored in the database indefinitely (forever).

Any abnormal areas found during the VIA and/or colposcopy will be biopsied as part of your standard of care using very small forceps (a medical tool that is like tongs). If the exam shows no abnormalities, a normal area will be biopsied.

The study doctor will talk to you about the results of the HRME imaging, colposcopy, and biopsy/ies.

There will be no change to the planned standard-of-care colposcopy and biopsy.

Researchers will also collect information from your medical record about the colposcopy, surgery, the status of the disease, and demographics (such as your age).

Follow-Up:

About 1 month after the study procedure, the study staff will contact you by phone to ask how you are doing. The call should last about 5 minutes.

Length of Study:

Your active participation in this study will be over after the biopsy.

This is an investigational study. Proflavine hemisulfate is not FDA approved or commercially available. The HRME device is not FDA approved or commercially available. Both are currently being used for research purposes only.

Up to 800 participants will be enrolled in this study. Up to 400 will take part at MD Anderson and up to 400 will take part at the Harris Health System.

Conditions

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Cervical Cancer

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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High-Resolution Microendoscopy (HRME) + Colposcopy

Visual inspection of cervix performed using 3 - 5% acetic acid to the cervix. Participants undergo standard colposcopy and abnormal lesions noted by quadrant. Then 0.01% proflavine applied topically to the cervix. High-resolution microendoscopy (HRME) then performed. HRME images obtained from one visually normal site and from up to 3 visually abnormal lesions based on visual exam and/or colposcopic findings. Study staff follow up with participant by phone one month after procedure.

Group Type EXPERIMENTAL

Proflavine

Intervention Type DRUG

0.01% Proflavine applied topically to the cervix after colposcopy and HRME cervical images obtained.

HRME Imaging

Intervention Type DEVICE

HRME images obtained from one visually normal cervical site, and from up to 3 visually abnormal lesions based on exam and/or colposcopic findings.

Phone Call

Intervention Type BEHAVIORAL

Study staff follow up with participant by phone one month after procedure.

Colposcopy

Intervention Type PROCEDURE

Colposcopy performed after visual inspection of cervix.

Acetic Acid

Intervention Type DRUG

3 - 5% added to cervix before visual inspection.

Interventions

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Proflavine

0.01% Proflavine applied topically to the cervix after colposcopy and HRME cervical images obtained.

Intervention Type DRUG

HRME Imaging

HRME images obtained from one visually normal cervical site, and from up to 3 visually abnormal lesions based on exam and/or colposcopic findings.

Intervention Type DEVICE

Phone Call

Study staff follow up with participant by phone one month after procedure.

Intervention Type BEHAVIORAL

Colposcopy

Colposcopy performed after visual inspection of cervix.

Intervention Type PROCEDURE

Acetic Acid

3 - 5% added to cervix before visual inspection.

Intervention Type DRUG

Other Intervention Names

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High-Resolution Microendoscopy

Eligibility Criteria

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Inclusion Criteria

1. Women undergoing colposcopy for an abnormal Pap test, positive HPV test or history of cervical dysplasia (CIN or AIS)
2. Women of childbearing potential must have a negative pregnancy test
3. Women who are at least 21 years of age or older
4. Ability to understand and the willingness to provide informed consent and sign a written Informed Consent Document (ICD)

Exclusion Criteria

1. Women \< 21 years of age
2. Women with a known allergy to proflavine or acriflavine
3. Women who are pregnant or nursing
4. Patients unable or unwilling to provide informed consent or sign a written Informed Consent Document (ICD)

Minimum Eligible Age

21 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No