Microbiological Impact of an Intimate Cream and Its Suitability to Contribute to the Feeling of Softness and Freshness in the Intimate Area of Women

Karolinska Institute

Status and phase: Completed; Phase 2

Conditions: Post Menopausal Dryness in the Intimate Area of Women

Treatments: Drug: Placebo; Device: probiotic creme

Study type: Interventional

Funder types: Other

Identifiers

NCT02162160

KI DS 2013

Details and patient eligibility

About

Generate more information on the use of the Probiotic Intimate Crème regarding feeling of dryness and freshness in the intimate area, as well as to evaluate the Lactobacillus flora and presence of coliform bacteria in respect to E. coli in the intimate area of women before use of the crème and at the end of a 10 days crème-usage (day 8-10), as well as 10 days after (9-11 days) finished crème-usage.

The hypothesis is that lactobacilli can survive in the intimate area of postmenopausal women with use of a probiotic creme.

Full description

The rational for using probiotics is that the humans are colonized by a numbers of microorganisms from birth. These microorganisms are the natural flora of the human body. This bacterial ecology may be imbalanced due different circumstances: excessive hygiene, use of antibiotics or other drugs, use of alcohol, smoking, stress, diabetes and many other factors. The natural bacterial flora in the external part of the genital tract might be promoted by help of intimate products containing probiotics.

The study objectives Generate more information on the use of the Probiotic Intimate Crème regarding feeling of dryness and freshness in the intimate area, as well as to evaluate the Lactobacillus flora and presence of coliform bacteria in respect to E. coli in the intimate area of women before and at the end of a 10 days crème-usage (day 8-10), as well as 10 (9-11) days after finished crème-usage.

The primary endpoint of the study Presence of at least one LN bacteria strain in the intimate area of women in the intervention group compared to the intimate area of women in the control group at the end of a 10 days crème-usage (Day 8-10), as well as 10 (9-11) days after finished crème-usage. The primary endpint will be measured by bacterial Culture.

None-parametric statistical analyses.

Secondary endpoints Obtain information about the coliform bacteria flora in respect to E. coli flora in the external intimate area before and at the end of the 10 days crème-usage (Day 8-10), as well as 10 days after finished crème-usage (9-11 days after).

Obtain information about the subjective feeling of dryness and freshness in the intimate of women before and at the end of the 10 days crème-usage (Day 8-10), as well as 10 days after finished crème-usage (9-11 days after).

Only descriptive statistics.

Blinding The active and comparative test product will be filled into white tubes with identical appearance.

The study will be conducted with double-blind design when neither the personnel at the clinic and the participants knows which product they are submitted/received. The study will also be blinded for the laboratory personnel analyzing the samples.

Randomization procedure The women will be randomly assigned to active or comparative test products. Based on a computer-generated list, before start of the study, nine tubes containing Probiotic Intimate Crème (the active product) and 9 tubes containing Soothing crème (the control product) will be randomly assigned to a number between 1 to 18, and the tubes labeled with the numbers. The numbered but otherwise visually identical tubes will delivered to the clinic before start of the study.

During the first visit, the participants will receive a tube consecutively in numerical order, as they are included in the study, i.e. according to their participant number.

The computer-generated randomization list and the product labeling will be carried out by people who don't have direct contact with the study participants.

Sample collection

Vaginal samples:

The samples will be taken by rolling sterile swabs over the upper third part of the lateral vaginal wall.

Labial samples:

For labial sampling, on the left side of the vulva near the vaginal orifice, the labia minor and major will be held apart and a sterile swab will be gently rubbed back and forth five times during rotation. The labial examination area will be approximately 2 cm2.

The swabs will then be placed in a prepared transport medium and sent to laboratory for analyses.

6.12. Study outline

Visit 1:

1. Women visiting the clinic will be recruited to the study. After obtained information (Appendix 1) and signed informed consent the women will be clinically examined for any clinical symptoms of Candida vaginitis (ocular examination) and bacterial vaginosis (Amsel's criteria). The dryness of the mucus membranes will be also examined and the vaginal pH measured using a pH-stick.
2. Women fulfilling the inclusion criteria will be randomized to 10 days use of test product (Probiotic Intimate Crème) or control product (Soothing Cream, ACO); 2 times daily, every morning and evening at bed time.
3. The women will receive detailed instructions about how to use the study products.
4. They will also asked to return the empty tube or remaining product at the end of study (Visit 3)
5. The women will answer a questioner regarding their subjective feeling of dryness and freshness in their intimate are and rate their feeling on a ten-point scale.
6. Samples with sterile swabs will be collected from vagina, labia and perineum (Sample 1-L, Sample 1-V) and sent to an independent laboratory for analyses.

Visit 2:

1. The 8th-10th day of the intimate crème-usage period, the women will return to the clinic. The dryness of their mucus membranes will be clinically examined and the vaginal pH.
2. They will answer a questioner regarding their subjective feeling of dryness and freshness in their intimate are and rate their feeling on a on a ten-point scale. They will also answer questions regarding their purchase intentions and intentions to recommend the product to other women.
3. Vaginal and labial swabs will be collected (Sample 2-L, Sample 2-V) and send to an independent laboratory for analyses.

Visit 3:

1. 9-11 days after the 10 days crème-usage period, the women will return to the clinic. The dryness of their mucus membranes will be clinically examined and the vaginal pH measured.
2. They will answer a questioner regarding their subjective feeling of dryness and freshness in their intimate are and rate their feeling on a ten-point scale. They will also answer questions regarding their purchase intentions and intentions to recommend the product to other women.
3. Vaginal and labial swabs will be collected. (Sample 3-L, Sample 3-V) and sent to an independent laboratory for analyses.

During each visit, data will be recorded in the CRF.

Enrollment: 18 patients

Sex: Female

Ages: 45 to 65 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• healthy women 45-65 years old
• with subjective dryness in the intimate area
• postmenopausal with last menstruation more than or equal to 3 years prior to entering the study
• being willing to abstain sexual intercourse during the study period

Exclusion criteria

• yeast infection or bacterial vaginosis
• use of antibiotics or antifungals
• use of estrogen
• participation in Another study

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Quadruple Blind

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18 participants in 2 patient groups, including a placebo group

Probiotic creme

Experimental group

Description:

Women receing probiotic creme

Treatment:

Device: probiotic creme

placebo

Placebo Comparator group

Description:

Women receiving a moisturizer

Treatment:

Drug: Placebo