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Sexual Dysfunction, PhysiologicalPhase 1macaNCT02624648

Effects of Lepidium Meyenii Walp on Sexual Function in Postmenopausal Women

A Phase 1 study testing The Female Sexual Function Index (FSFI), The Female Intervention Efficacy Index (FIEI) and The Beck Depression Inventory II in people with Sexual Dysfunction, Physiological, run by Universidade do Vale do Sapucai at 1 site in Brazil.

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 The sponsor has not verified this record for over two years, so it may be out of date.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

Objective: To study the effects of Lepidium Meyenii in sexual function of postmenopausal women. Method: It will be held a clinical, prospective, randomized, double-blind, placebo-controlled study with 144 postmenopausal women with sexual dysfunction, treated at Menopause Clinic at the Faculty of Medical Sciences of… Read more about this study

Who is it for?
Ages 45 to 65 years, women onlyHealthy volunteers can take part
Conditions the study is for
Sexual Dysfunction, Physiological
What is being tested?
The Female Sexual Function Index (FSFI), The Female Intervention Efficacy Index (FIEI) and The Beck Depression Inventory II
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
144 participants
Where
1 siteBrazil
Study dates
Oct 2015to Dec 2016
Phase
Phase 1
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 45 to 65 years
  • Women only
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • The postmenopausal women with full autonomy, with one year or more of amenorrhea and follicle stimulating hormone (FSH) > 30 milli-International unit/mL
  • Women who are not regularly practicing sexual activity will be included because the desire domain is subject to the same evaluation in this situation
  • Estrogen and progesterone were permitted if the dose had been stable for six months prior to screening

Who cannot join

  • Cardiac, renal and hepatic diseases
  • Diabetes mellitus
  • Cognitive disorders
  • Hormone-dependent tumor
  • History of psychiatric illness current and/or past, regular use of two or more doses of alcohol by day (dose = 12 grams of pure alcohol, which corresponds to 330 mL of beer, 100 mL wine, 30 mL of distilled World Health Organization standard dose) leading to impairment or clinically significant distress (DSM-5)
  • Consumption of Maca supplements or any other nutritional supplement known to cause changes in sexual function
Show all 17Show fewer
  • Use of any drug that, in the opinion of the investigator, may affect sexual function or any of the following medications: anti-epileptics, cytochrome P450 isoform 3A4 (CYP3A4) inducers
  • Dopamine agonists and other parkinsonian drugs
  • Metoclopramide
  • Androgens and antiandrogens, the anti-oestrogens
  • Fluoxetine or any hormonal implant long-acting in 30 days before the exam
  • Analogues of gonadotropin-releasing hormone and other hormones and inhibitors
  • Benzodiazepines prescribed for insomnia
  • Sedatives and hypnotics
  • Antidepressants
  • Antipsychotics, mood stabilizers, narcotics (except when used to relieve short-term pain),
  • Lubricants/moisturizers that contain substances that promote heating and/or vaginal stimulators

Trial locations and contacts

1 site in 1 country.

BENEDITO FABIANO D REIS, PhD contact

553534730942

benefabiano@uol.com.br

Gustavo Maximiliano D Silva, MD contact

5511994192039

gumaxy@yahoo.com.br

Brazil1 site, 1 recruiting
  • Vale Do Sapucai University (Univas)

    Pouso Alegre, Minas Gerais, 37550-000

    BENEDITO F REIS, PROF, 553599844648, benefabiano@uol.com.br

    SONIA MARIA R ROSA LIMA, PROF, 5511971519229, lima@silber.com.br

    Recruiting

Other trials in Brazil

About this study

Official title: Effects of Lepidium Meyenii Walp (Peruvian Maca) on Sexual Function in Postmenopausal

Objective: To study the effects of Lepidium Meyenii in sexual function of postmenopausal women.

Method: It will be held a clinical, prospective, randomized, double-blind, placebo-controlled study with 144 postmenopausal women with sexual dysfunction, treated at Menopause Clinic at the Faculty of Medical Sciences of Santa Casa de São Paulo and in the Vale do Sapucai University. All women sign the Consent Form Term. The study will be conducted in accordance with the protocol and principles of the Declaration Helsinki (Version 1996), according to International Conference on Harmonization and Tripartite Guidelines for good clinical practice and regulatory requirements. The protocol was approved by the Ethics Committee of the Faculty of Medical Sciences of Santa Casa de São Paulo.

Hypothesis: It is expected to be an improvement of sexual function in postmenopausal women.

Read the detailed description

It will be a prospective, randomized, double-blind, placebo-controlled study with 144 postmenopausal women with sexual dysfunction, met in Menopause Clinic at the Faculty of Medical Sciences of Santa Casa de São Paulo and in the Vale do Sapucai University. All women signed the Informed Consent. The study will be conducted in accordance with the protocol and principles set out in Declaration of Helsinki (1996 version), according to International Conference on Harmonization and Tripartite Guidelines for good practice clinics and applicable regulatory requirements.

The protocol was submitted and approved by the Ethics Committee, Faculty of Medical Sciences Committee Santa Casa de São Paulo. The diagnosis of sexual dysfunction will be done by a sexologist physician experienced and trained in the diagnosis of female sexual disorders through a structured clinical interview, a list of sexual symptoms. It will be oriented to avoid further consumption of diet or another type of herbal medicine during the study. After the interview, signing the Informed Consent and they will be informed about the randomization. Interview with sexological questionnaires will be applied used in Sexology Clinic, Faculty of Medical Sciences of Santa Casa de São Paulo and Vale do Sapucai University, with the purpose of obtaining data sociodemographic. The Female Sexual function Index (FSFI) and the Female Intervention Efficacy Index questionnaire (FIEI). When necessary, the Beck Depression Inventory II (Cunha 2001) will be used to ward off depression, which will be applied by enabled professional. The application will be individually and by the same researcher. The results will be analyzed and interpreted in the light of the theoretical framework of socio-historical psychology, this theory of knowledge, is associated with the understanding of the culture of the structure, social organization and the rescue human subjectivity.

Being tested
The Female Sexual Function Index (FSFI), The Female Intervention Efficacy Index (FIEI), The Beck Depression Inventory II, Lepidium Meyenii Walp, Placebo
Keywords
Sexual Dysfunction, Postmenopausal women, Sexual desire
Medical subject headings
Sexual Dysfunction, Physiological

What participants receive

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

  • The Female Sexual Function Index (FSFI)Behavioural

    The Female Sexual Function Index (FSFI) Questionnaire to evaluate the sexual function

  • The Female Intervention Efficacy Index (FIEI)Behavioural

    The Female Intervention Efficacy Index Questionnaire (FIEI) to evaluate the sexual function

  • The Beck Depression Inventory IIBehavioural

    The Beck Depression Inventory II will be used to evaluate or ward off depression

  • Lepidium Meyenii WalpDrug

    Also called Maca

    They will receive a capsule of Lepidium Meyenii Walp twice a day for 120 days

  • PlaceboDrug

    They will receive a capsule of Placebo twice a day for 120 days

Study groups in NCT02624648
Study groupRoleWhat they receive
Placebo GroupPlacebo comparatorThe effects of Placebo on sexual function, desire and depression in postmenopausal women. The Female Sexual Function Index (FSFI) and the Female Intervention Efficacy Index Questionnaire (FIEI). The Beck Depression Inventory II will be used to ward off depression
Receives: Behavioral: The Female Sexual Function Index (FSFI); Behavioral: The Female Intervention Efficacy Index (FIEI); Behavioral: The Beck Depression Inventory II; Drug: Placebo
Maca (Lepidium Meyenii Walp) GroupExperimentalThe effects of Lepidium Meyenii Walp on sexual function, desire and depression in postmenopausal women. The Female Sexual Function Index (FSFI) and the Female Intervention Efficacy Index Questionnaire (FIEI). The Beck Depression Inventory II will be used to ward off depression
Receives: Behavioral: The Female Sexual Function Index (FSFI); Behavioral: The Female Intervention Efficacy Index (FIEI); Behavioral: The Beck Depression Inventory II; Drug: Lepidium Meyenii Walp

What is being measured

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

  1. FSFI Questionnaire to evaluate the sexual function

    To study the effects of Lepidium meyenii and placebo on sexual function in postmenopausal women

    Measured: 120 days

Secondary outcomes (1)
  1. FIEI Questionnaire to evaluate the sexual desire

    To study the effects of Lepidium meyenii and placebo on sexual desire in postmenopausal women

    Measured: 120 days

Timeline

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

  1. First posted8 Dec 2015 (estimated)
  2. Study startOct 2015
  3. Primary completionOct 2016 (estimated)
  4. Study completionDec 2016 (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
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
144 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02624648
Sponsor's protocol ID
CAAE 43373915.3.0000.5479
Acronym
maca
Status last verified
Jun 2016
First submitted
30 Nov 2015
Last updated
21 Jun 2016
Results posted
No
Data monitoring committee
Yes

Publications

  • Dailey RK, Neale AV, Northrup J, West P, Schwartz KL. Herbal product use and menopause symptom relief in primary care patients: a MetroNet study. J Womens Health (Larchmt). 2003 Sep;12(7):633-41. doi: 10.1089/154099903322404285.

    PubMed 14583104
  • Geller SE, Studee L. Botanical and dietary supplements for menopausal symptoms: what works, what does not. J Womens Health (Larchmt). 2005 Sep;14(7):634-49. doi: 10.1089/jwh.2005.14.634.

    PubMed 16181020
  • Kronenberg F, Fugh-Berman A. Complementary and alternative medicine for menopausal symptoms: a review of randomized, controlled trials. Ann Intern Med. 2002 Nov 19;137(10):805-13. doi: 10.7326/0003-4819-137-10-200211190-00009.

    PubMed 12435217
  • van der Sluijs CP, Bensoussan A, Liyanage L, Shah S. Women's health during mid-life survey: the use of complementary and alternative medicine by symptomatic women transitioning through menopause in Sydney. Menopause. 2007 May-Jun;14(3 Pt 1):397-403. doi: 10.1097/01.gme.0000236937.36078.f4.

    PubMed 17202872
  • Minelli C, Abrams KR, Sutton AJ, Cooper NJ. Benefits and harms associated with hormone replacement therapy: clinical decision analysis. BMJ. 2004 Feb 14;328(7436):371. doi: 10.1136/bmj.328.7436.371.

    PubMed 14962874
  • Low Dog T. Menopause: a review of botanical dietary supplements. Am J Med. 2005 Dec 19;118 Suppl 12B:98-108. doi: 10.1016/j.amjmed.2005.09.044.

    PubMed 16414334
  • Chung F, Rubio J, Gonzales C, Gasco M, Gonzales GF. Dose-response effects of Lepidium meyenii (Maca) aqueous extract on testicular function and weight of different organs in adult rats. J Ethnopharmacol. 2005 Apr 8;98(1-2):143-7. doi: 10.1016/j.jep.2005.01.028.

    PubMed 15763375
  • Meissner HO, Kapczynski W, Mscisz A, Lutomski J. Use of gelatinized maca (lepidium peruvianum) in early postmenopausal women. Int J Biomed Sci. 2005 Jun;1(1):33-45.

    PubMed 23674952
  • Gonzales GF, Cordova A, Gonzales C, Chung A, Vega K, Villena A. Lepidium meyenii (Maca) improved semen parameters in adult men. Asian J Androl. 2001 Dec;3(4):301-3.

    PubMed 11753476
  • Gonzales GF, Ruiz A, Gonzales C, Villegas L, Cordova A. Effect of Lepidium meyenii (maca) roots on spermatogenesis of male rats. Asian J Androl. 2001 Sep;3(3):231-3.

    PubMed 11561196
  • Gonzales GF, Cordova A, Vega K, Chung A, Villena A, Gonez C, Castillo S. Effect of Lepidium meyenii (MACA) on sexual desire and its absent relationship with serum testosterone levels in adult healthy men. Andrologia. 2002 Dec;34(6):367-72. doi: 10.1046/j.1439-0272.2002.00519.x.

    PubMed 12472620
  • Gonzales GF, Cordova A, Vega K, Chung A, Villena A, Gonez C. Effect of Lepidium meyenii (Maca), a root with aphrodisiac and fertility-enhancing properties, on serum reproductive hormone levels in adult healthy men. J Endocrinol. 2003 Jan;176(1):163-8. doi: 10.1677/joe.0.1760163.

    PubMed 12525260
  • Gonzales GF, Gasco M, Cordova A, Chung A, Rubio J, Villegas L. Effect of Lepidium meyenii (Maca) on spermatogenesis in male rats acutely exposed to high altitude (4340 m). J Endocrinol. 2004 Jan;180(1):87-95. doi: 10.1677/joe.0.1800087.

    PubMed 14709147
  • Gonzales GF, Miranda S, Nieto J, Fernandez G, Yucra S, Rubio J, Yi P, Gasco M. Red maca (Lepidium meyenii) reduced prostate size in rats. Reprod Biol Endocrinol. 2005 Jan 20;3:5. doi: 10.1186/1477-7827-3-5.

    PubMed 15661081
  • Oshima M, Gu Y, Tsukada S. Effects of Lepidium meyenii Walp and Jatropha macrantha on blood levels of estradiol-17 beta, progesterone, testosterone and the rate of embryo implantation in mice. J Vet Med Sci. 2003 Oct;65(10):1145-6. doi: 10.1292/jvms.65.1145.

    PubMed 14600359

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing The Female Sexual Function Index (FSFI), The Female Intervention Efficacy Index (FIEI) and The Beck Depression Inventory II in people with Sexual Dysfunction, Physiological, run by Universidade do Vale do Sapucai at 1 site in Brazil.

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 3 inclusion and 17 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 21 Jun 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.

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 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.

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?

Contact BENEDITO FABIANO D REIS, PhD (553534730942, benefabiano@uol.com.br), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

FSFI Questionnaire to evaluate the sexual function (time frame: 120 days). 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 NCT02624648, which also lists 26 linked publications.

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 21 Jun 2016.

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