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Postmenopausal SymptomsPhase 1/2NCT05557799

Photobiomodulation in Post Menopause Genitourinary Syndrome

A Phase 1/2 study testing Photobiomodulation in people with Postmenopausal Symptoms, run by University of Nove de Julho.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The goal of this project is to evaluate the clinical response of patients with symptoms of genitourinary menopause syndrome after the application of photobiomodulation in the vagina and its introit. Read more about this study

Who is it for?
Ages 50 to 70 years, women onlyHealthy volunteers can take part
Conditions the study is for
Postmenopausal Symptoms
What is being tested?
Photobiomodulation
Type of treatment
Surgery or procedure
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
60 participants
Where
No sites listed yet
Study dates
30 Oct 2022to 30 Jul 2023
Phase
Phase 1/2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 50 to 70 years
  • Women only
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Women over 50 years of age who are in the postmenopausal period (amenorrhea for at least 12 months, with no pathology involved);
  • With one or more symptoms of UGS (dyspareunia, dryness, irritation and vaginal burning and/or discomfort, vaginal atrophy, vaginal and vulvar dryness, dysuria, frequency, recurrent urinary infections);
  • With complaints of stress and/or urge urinary incontinence;
  • Who have cervical cytopathology (Pap smear) within the normal range performed in the last year and are not in use of hormonal medication to treat menopausal symptoms in the last 6 months.

Who cannot join

  • Participants with explicit refusal of the patient to participate in the researc;
  • History of bilateral oophorectomy and diseases such as: recent AMI (Acute Myocardial Infarction), neoplasms, history of thrombosis, liver failure, uncontrolled genital bleeding, genital condylomatosis, active genital herpes, lower genital tract surgeries that make treatment impossible.

About this study

Official title: Photobiomodulation in Post Menopause Genitourinary Syndrome - Study Protocol for a Randomized, Double-blind, Controlled Clinical Trial

The goal of this project is to evaluate the clinical response of patients with symptoms of genitourinary menopause syndrome after the application of photobiomodulation in the vagina and its introit. METHOD: In this randomized, double-blind, placebo-controlled study protocol, women over 50 years of age who are in the postmenopausal period (amenorrhea for at least 12 months, with no pathology involved) with one or more symptoms of PGS will be selected. Participants included in the study will be randomly divided into two groups: group A, which will receive photobiomodulation with a vaginal diode laser and its introit and group B (placebo) with the laser device turned off. Both treatments will be maintained for 4 consecutive weeks.The treatment group (n=30) will receive four consecutive applications, using laser diode DMC (808 nm), 4J per point, 100mW of power, 510mW/cm², beam area of 0.2cm², 8 sites in the external vagina, for the 40s in each site, once per week for 4 weeks. The Placebo Group (n=30) will be handled as treated, but with the laser turned off. Quality of life will be analyzed using the female sexual functioning index (FSFI-6), the urinary incontinence questionnaire (ICIQ-SF), the intensity of menopausal symptoms will be evaluated using a visual analogue scale (VAS), the vulvo vaginal atrophy will be measured by the Vaginal Health Index (VHI) and compared between groups. Also, the vaginal temperature will be measured using a thermal camera, as well as the pressure of the pelvic floor force (vaginal dynamometer) and a 1-hour Pad Test will be performed to quantify the urinary loss. The data will be tested for normality using the Shapiro Wilks test and, if they present a parametric distribution, they will be represented by means of their respective means and standard deviations.

Being tested
Photobiomodulation, Placebo Photobiomodulation

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • PhotobiomodulationRadiation

    The treatment group will receive four consecutive applications, using laser diode DMC (808 nm), 4J per point, 100mW of power, 510mW/cm², beam area of 0.2cm², 8 sites in the external vagina, for 40s in each site, once per week for 4 weeks.

  • Placebo PhotobiomodulationRadiation

    The Placebo Group will receive the same four consecutive applications, but with the laser turned off.

Study groups in NCT05557799
Study groupRoleWhat they receive
Photobiomodulation groupActive comparatorParticipants in this group will receive photobiomodulation with a vaginal diode laser and its introit.
Receives: Radiation: Photobiomodulation
Placebo groupPlacebo comparatorParticipants in this group will receive simulated photobiomodulation, with the laser device turned off.
Receives: Radiation: Placebo Photobiomodulation

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Changes in the Female Sexual Function Index (FSFI)

    The FSFI or female sexual function index is a specific and multidimensional questionnaire to assess female sexual response, accessing 6 domains: desire, arousal, lubrication, orgasm, satisfaction and pain evaluated in 19 questions about sexual activity in the last 4 weeks. In order to obtain the total score of the scale, the scores for each domain are added up, and for higher scores, better sexual function is considered, and the threshold for sexual dysfunction is a score of 2678. Based on the value of the total score, it would be possible discriminate between populations at higher and lower risk of experiencing sexual dysfunction.

    Measured: Baseline and the 4 weeks of treatment.

Secondary outcomes (7)
  1. Changes in the International Consultation on Incontinence Questionnaire - Short Form (ICIQ-SF)

    This questionnaire has a score from zero to 21 points, with zero indicating the absence of symptoms and the greater the sum of the points, the greater the impact and severity of urinary incontinence (UI) symptoms. The maximum sum of the response values indicates a score of 21 points, referring to a high impact of UI on the individual's life.

    Measured: Baseline and the 4 weeks of treatment.

  2. Changes in the Vaginal Health Index Score

    It consists of a clinical analysis during the speculum examination of 5 parameters: elasticity, pH, mucosal appearance, humidity and the presence of vaginal secretion. Each aspect evaluated receives a score, which varies from 1 to 5. The score may vary from 5 to 25, and a diagnosis of Vulvo Vaginal Atrophy (VVA) is considered when the values are less than or equal to 15, the maximum score of 25 points means absence of clinical signs of vulvovaginal atrophy. This assessment will be performed by a qualified professional during the physical examination.

    Measured: Baseline and the 4 weeks of treatment.

  3. Changes in the Vaginal pH

    The evaluation of the vaginal pH will be carried out through a pH indicator strip, which when inserted in the middle third of the vagina in contact with the mucosa, has the color of the strip changed. Measurement of the vaginal cul-de-sac is avoided, because contact with mucus, blood or semen can alter the reading. The nitrazine tape must remain in contact with the vaginal wall for 5 seconds for later checking the pH on the colorimetric scale provided by the manufacturer. Normal vaginal pH is acidic, during menacme, it should be maintained between 3.8 and 4.5.

    Measured: Baseline and the 4 weeks of treatment.

  4. Changes in Pain using a Visual Analog Scale (VAS)

    A VAS will be used to evaluate the vaginal complaints of the participants. They will receive a figure of a ruler with marks from 0 to 10, whose one end indicates complete absence of symptoms and the other indicates the worst possible symptom. For analysis of the Visual and Analog Scale of Symptoms of Genitourinary Syndrome (GUS) (VAS - SGU), the sum of one to twelve points will classify the symptoms from mild to severe.

    Measured: Baseline and the 4 weeks of treatment.

  5. Changes in the Pelvic Floor Muscles (PFMs)

    The pressure sensor (dynamometer) will be introduced into the vaginal canal, and the resting vaginal pressure (resting muscles) will be quantified. The device will be calibrated, zeroed and it will be asked for the participant to contract their PFMs inwards and upwards as hard as possible 3 times and maintain the contraction for at least five seconds (maximum vaginal pressure), with an interval of 30 seconds between each pull.

    Measured: Baseline and once a week for 4 weeks

  6. Changes in Urinary Loss using Ped-Test

    The procedure for performing the Ped-test will be as follows: initially, the participant will be asked to place an absorbent with a previously measured weight close to the external urethral meatus. Then, she will be given a 500 mL bottle of water to drink and wait for 15 minutes. Afterwards, the participant will be asked to perform some actions simulating activities of daily living. After carrying out the proposed activities, the absorbent will be removed and weighed on a precision scale, with a minimum reading of 0.1 mg and a maximum capacity of 220 g. Urinary losses are evaluated and classified as follows: losses of up to 1 g are considered insignificant; between 1.1 and 9.9 g are classified as light losses; between 10 and 49.9 g are moderate losses; and above 50 g, severe losses.

    Measured: Baseline, the 4 weeks of treatment and 90 days after treatment.

  7. Changes in Vulva Temperature

    The temperature of the vulva, in Celsius degrees, will be evaluated at the eight points of radiation in the vulvar region, with a digital infrared thermometer, which will allow measurement without physical contact. The average of the eight readings will be calculated before and after the diode laser procedure in the 4 consecutive weekly sessions.

    Measured: Baseline and and once a week for 4 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted28 Sep 2022
  2. Study start30 Oct 2022 (estimated)
  3. Primary completion30 Jun 2023 (estimated)
  4. Study completion30 Jul 2023 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Outcomes assessor
Enrolment
60 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05557799
Sponsor's protocol ID
SGPM
Status last verified
Sep 2022
First submitted
23 Sep 2022
Last updated
28 Sep 2022
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Pereira SRDS, Mesquita-Ferrari RA, Salviatto LTC, Bezerra CDDS, Dalapria V, Mello EDS, Almeida-Lopes L, Bossini PS, Goncalves MLL, Deana AM. Photobiomodulation in post menopause genitourinary syndrome-Study protocol for a randomized, double-blind, controlled clinical protocol. PLoS One. 2024 Dec 2;19(12):e0313324. doi: 10.1371/journal.pone.0313324. eCollection 2024.

    PubMed 39621728

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Photobiomodulation in people with Postmenopausal Symptoms, run by University of Nove de Julho.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 28 Sep 2022. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Changes in the Female Sexual Function Index (FSFI) (time frame: Baseline and the 4 weeks of treatment.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05557799, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 28 Sep 2022.

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