- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04677491
Effects of Ospemifene on Brain Activation Patterns in Women With Sexual Interest-arousal Disorders (EROS)
Ospemifene is the first oral and non-hormonal treatment for moderate or severe vulvo-vaginal atrophy (VVA) in postmenopausal women who are not candidates to treatment with local oestrogens. Its effects are mediated though the regeneration of the proportion of superficial and intermediate cells of the vagina, improving menopausal symptomatology such as dryness and dyspareunia.
Only two studies to date have directly compared brain activation patterns in women with normal sexual function with women complaining with hypoactive sexual desire disorder. Arnow et al. demonstrated that women with normal sexual function showed brain activations in multiple regions different from women with FSIAD. When comparing the two groups, women with normal sexual function showed greater activation of the bilateral entorhinal cortex while women with FSIAD exhibited greater activation of the medial frontal gyrus, right inferior frontal gyrus, and bilateral putamen. The medial frontal gyrus activation has been associated with self-monitoring; thus, it is possible that women with FSIAD allocate more attention to monitoring their response, which may be inhibitory to sexual functioning. The other study was done by Woodard and colleges showing that women with normal sexual function showed significantly differences on cerebral activation in comparison with women with FSIAD.
These differences observed in women with FSIAD could suggest that they may have alterations in activation of limbic and cortical structures responsible for acquiring, encoding, and retrieving memory, the processing and memory of emotional reactions, and areas responsible for heightened attention to one's own physical state.
For this reason the authors believe that it is essential to determine if the effect of ospemifene on the improvement on sexual function is due to the improvement on the vagina tract or due to its effect on brain function.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
To evaluate changes from baseline in brain activation patterns, by using functional magnetic resonance imaging (fMRI) techniques and sexual stimuli, in postmenopausal women with moderate to severe vulvovaginal atrophy and FSIAD after 3 months treatment with ospemifene 60mg/day compared to those treated with placebo. fMRI technique allows the study of brain activation by detecting brain blood flow and oxygen level dependent changes induced by neuronal activation.
The brain activation patterns will be defined by the number of voxels that significantly changed their signal intensity during the stimuli presentation compared to the neutral stimuli. Brain connectivity will be evaluated by using the activation map and the atlas of neuroanatomic regions and comparing the number of voxels, its level of significance and the different regions activated.
Brain activation patterns changes (with fMRI) after sexual stimuli (visual or olfactive), in postmenopausal women with moderate to severe VVA and FSIAD after 3 months treatment with ospemifene 60mg/day compared to those treated with placebo.
During the fMRI session, the activation of each brain circuits/pattern is measured by the blood-oxygen level dependent (BOLD) signal and with the Statistical Parametric Mapping method regularly used in fMRI studies to visualize brain activation.
For the longitudinal study, a paired t-test will be used within each group to detect changes in activation over time. The statistical threshold criterion to compare the different activation maps between both groups is p < 0.001 uncorrected with a minimum extent of 10 voxels. Only clusters that survive a p < 0.05 FWE (family wise error) correction for multiple comparisons will be considered statistically significant The region of interests who were mainly observed are: medial occipital gyrus, anterior cingulate cortex, bilateral thalamus, caudate nucleus, left pale globe, cerebellum, left inferior parietal lobe, postcentral gyrus, praecuneus, right medial frontal gyrus and left praecuneus.
A total of 20 consecutive postmenopausal women with moderate to severe VVA and FSIAD with symptomatology will be recruited to participate in the study, 10 of which will be randomised to the ospemifene group (VVA-FSIAD ospemifene group) and 10 will be randomised to the placebo group (VVA-FSIAD placebo group). Additionally, a total of 5 consecutive postmenopausal women with moderate to severe VVA not treated with ospemifene neither with any other VVA treatment and without FSIAD will also be recruited (VVA not treated patients without FSIAD).
Study Type
Enrollment (Anticipated)
Phase
- Phase 4
Contacts and Locations
Study Contact
- Name: EDUARD MENSION COLL
- Phone Number: 626207171
- Email: edmension@gmail.com
Study Contact Backup
- Name: Camil Castelo-Branco
- Email: ccastelo@clinic.cat
Study Locations
-
-
-
Barcelona, Spain, 08036
- Recruiting
- Hospital Clinic de Barcelona
-
Contact:
- EDUARD MENSION COLL
- Phone Number: 626207171
- Email: edmension@gmail.com
-
Principal Investigator:
- Camil Castelo-Branco
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria:
- Women 40 year old or older who have been diagnosed with menopause (either chemical, surgical or natural menopause)
- No menstruation for at least a year.
- Moderate or severe VVA diagnosis (defined by the presence of ≤ 5% of superficial cells and vaginal pH > 5).
- For homogenisation of brain patterns, women had to be right-handed.
- Women should be strictly heterosexual, in a stable relationship of at least 1 year duration (with expectations of remaining with the same relationship), and have had experience viewing sexually explicit images
- For the FSIAD groups, women will be included if they are diagnosed with FSIAD, defined according to the criteria of DSM-V and confirmed by a structured clinical interview and by means of the scores of the SFQ and the FSDS-R (with a score of ≤20 for FSFI and ≥15 for the FSDS-R, respectively). These criteria will be an exclusion criterion for women without FSIAD.
- Informed written consent of the patient.
Exclusion criteria
- Women with known history of mental illness, history of drug or alcohol abuse.
- Women with VVA treatment (oestrogens or ospemifene) at any time during the last 6 months, and/or laser treatment at any time during the last year.
- Use of medication or herbal preparations at any time during the last 3 months for the purpose of improving sexual performance.
- Women who have received any medication previous to the study inclusion, that may alter or interfere with brain activation patterns (psychoactive drugs).
- Women with history of sexual offenses.
- Women with abnormal vision that would impair the visualisation of the images and the olfactory stimuli.
- Women with claustrophobia or implants that would preclude fMRI procedures.
- Women with diagnosis of depression assessed by PHQ self-administered questionnaire.
- Patients who had undergone vaginal surgery in the last 12 months.
- Women who did not sign the written informed consent.
- Hypersensitivity to the active substance or to any of the excipients included in Senshio.
- Past or active history of venous thromboembolic events (VTE), including deep vein thrombosis, pulmonary embolism and retinal vein thrombosis.
- Unexplained vaginal bleeding.
- Patients with suspected breast cancer or who are receiving active treatment (including adjuvant treatment) for breast cancer.
- Suspicion of neoplasia or active neoplasia dependent on sex hormones (eg endometrial cancer).
- Patients with signs or symptoms of endometrial hyperplasia; In this group of patients, safety has not been studied.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Health Services Research
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: VVA-FSIAD ospemifene group
Women treated with ospemifene 60 mg/day
|
Ospemifene vs placebo
Other Names:
Participants will see sexually explicit video clips that alternate with non-sexual clips and neutral color projection and b) smell alternate pheromones with clear air and pine aroma.
|
Placebo Comparator: VVA-FSIAD placebo group
Women treated with placebo
|
Participants will see sexually explicit video clips that alternate with non-sexual clips and neutral color projection and b) smell alternate pheromones with clear air and pine aroma.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
a Activation of each brain circuits
Time Frame: 3 months
|
Is measured by the blood-oxygen level dependent (BOLD)
|
3 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Vaginal pH
Time Frame: 3 months
|
vaginal pH measured by ph roll from 1 to 14
|
3 months
|
Vaginal maturation index
Time Frame: 3 months
|
vaginal maturation index meadured by vaginal citology on percentage from 0 to 100 divided in superficial, intermediate and basal cells
|
3 months
|
Vaginal health index
Time Frame: 3 months
|
To describe if there is a correlation between changes in the visual examination of the vagina.
using the vaginal health index: from 5 to 25 (min-max).
|
3 months
|
Female Sexual Function Index
Time Frame: 3 months
|
Questionaire from 18 to 90 (min-max).
|
3 months
|
DSM V evaluation
Time Frame: 3 months
|
DSM Criteria
|
3 months
|
Quality of Life Scale
Time Frame: 3 months
|
Questionaire PHQ9 (Patient health questionaire 9) from 0 to 27 (min-max)
|
3 months
|
Female Sexual Distress Scale
Time Frame: 3 months
|
Questionaire FSFI (Female Sexual Function Index) from 18 to 90 (min-max).
|
3 months
|
Social Functioning Questionnaire
Time Frame: 3 months
|
Questionaire SF12 (Physical and Mental Health Composite Scores) from 0 to 12 (min-max)
|
3 months
|
Patient Health Questionnaire-9
Time Frame: 3 months
|
Questionaire from 0 to 9
|
3 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Camil Castelo-Branco, Hospital Clinic of Barcelona
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2020-001514-38
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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