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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT05627791
Other study ID # 65065
Secondary ID
Status Terminated
Phase Phase 2/Phase 3
First received
Last updated
Start date November 30, 2022
Est. completion date August 28, 2023

Study information

Verified date August 2023
Source Rajavithi Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Vulvovaginal atrophy affects around 90% of postmenopausal women who may present with symptoms such as dryness, irritation, itching, burning, and dyspareunia that negatively affect the quality of life. Topical estrogen is recommended for the treatment of vulvovaginal atrophy in postmenopausal women and the FDA approved it. But it may increase the risk of breast and endometrial cancer. The oxytocin hormone also promotes positive social behavior, stress regulation, and female sexual arousal. Many previous studies show that topical oxytocin is useful for reducing vaginal atrophy in postmenopausal women.


Description:

Random and conducted on 56 postmenopausal women who meet the inclusion criteria and excluded participants that have exclusion criteria. All women provided written informed consent before data collection. 1. st Visit: The vagina was assessed regarding infection and any abnormal discharge. The participants were evaluated vaginal signs of vaginal atrophy by per vaginal examination and assessed vaginal health index score. The subjective symptoms were assessed by The most bothersome score. The vaginal pH was tested with a Nitrazine paper. The vaginal swab was done and the specimen was sent for a cytological test - vaginal maturation index evaluation (VMI). The participants were separated into two groups 1. Oxytocin gel group and 2. Placebo gel group then applied gel 1 ml. (400IU of oxytocin in oxytocin gel) per day for 8 weeks consecutively. The subjective symptoms were assessed at 2 and 4 weeks by phone. 2. nd Visit: The participants were assessed the same as 1st visit that recorded vaginal health index score, subjective symptoms, vaginal pH, and vaginal maturation index evaluation.


Recruitment information / eligibility

Status Terminated
Enrollment 6
Est. completion date August 28, 2023
Est. primary completion date July 31, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 50 Years to 70 Years
Eligibility Inclusion Criteria: - Thai menopausal women aged between 50-70 years who visit Rajavithi gynecology OPD with informed consent with good communication in the Thai language. Exclusion Criteria: - Have acute vulvovaginitis (vaginal swab for wet smear and KOH) - Patients who have used hormonal replacement therapy within 12 months - Patients with a history of smoking - Patients who have used vaginal lubricant or moisturizer - Patients with an allergic history of oxytocin or gel components - Morbid obesity BMI > 30 kg/m2 - Patients who have used vitamin E supplement - Patients who unable to perform per vaginal examination

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Oxytocin
Oxytocin vaginal gel that have oxytocin 400IU/1ml of gel, base gel contained HPMC 4,000 cps, 5% propylene glycol USP, 0.08% methylparaben, sterile water for irrigation and 0.02% propylparaben then adjusted pH by Lactic acid and sodium hydroxide keep pH 3.5-4.0
Placebo
Placebo gel that have base gel contained HPMC 4,000 cps, 5% propylene glycol USP, 0.08% methylparaben, sterile water for irrigation and 0.02% propylparaben then adjusted pH by Lactic acid and sodium hydroxide keep pH 3.5-4.0 without oxytocin

Locations

Country Name City State
Thailand Rajavithi Hospital Bangkok

Sponsors (1)

Lead Sponsor Collaborator
Rajavithi Hospital

Country where clinical trial is conducted

Thailand, 

References & Publications (9)

Al-Saqi SH, Uvnas-Moberg K, Jonasson AF. Intravaginally applied oxytocin improves post-menopausal vaginal atrophy. Post Reprod Health. 2015 Sep;21(3):88-97. doi: 10.1177/2053369115577328. Epub 2015 May 19. — View Citation

Alvisi S, Gava G, Orsili I, Giacomelli G, Baldassarre M, Seracchioli R, Meriggiola MC. Vaginal Health in Menopausal Women. Medicina (Kaunas). 2019 Sep 20;55(10):615. doi: 10.3390/medicina55100615. — View Citation

Fianu Jonasson A, Bixo M, Sundstrom Poromaa I, Astrom M. Safety and Efficacy of an Oxytocin Gel and an Equivalent Gel but Without Hormonal Ingredients (Vagivital(R) Gel) in Postmenopausal Women with Symptoms of Vulvovaginal Atrophy: A Randomized, Double-Blind Controlled Study. Med Devices (Auckl). 2020 Oct 5;13:339-347. doi: 10.2147/MDER.S265824. eCollection 2020. — View Citation

Gandhi J, Chen A, Dagur G, Suh Y, Smith N, Cali B, Khan SA. Genitourinary syndrome of menopause: an overview of clinical manifestations, pathophysiology, etiology, evaluation, and management. Am J Obstet Gynecol. 2016 Dec;215(6):704-711. doi: 10.1016/j.ajog.2016.07.045. Epub 2016 Jul 26. — View Citation

Hess R, Austin RM, Dillon S, Chang CC, Ness RB. Vaginal maturation index self-sample collection in mid-life women: acceptability and correlation with physician-collected samples. Menopause. 2008 Jul-Aug;15(4 Pt 1):726-9. doi: 10.1097/gme.0b013e31816c5541. — View Citation

Jonasson AF, Edwall L, Uvnas-Moberg K. Topical oxytocin reverses vaginal atrophy in postmenopausal women: a double-blind randomized pilot study. Menopause Int. 2011 Dec;17(4):120-5. doi: 10.1258/mi.2011.011030. Epub 2011 Nov 25. — View Citation

Kallak TK, Uvnas-Moberg K. Oxytocin stimulates cell proliferation in vaginal cell line Vk2E6E7. Post Reprod Health. 2017 Mar;23(1):6-12. doi: 10.1177/2053369117693148. Epub 2017 Mar 8. — View Citation

Torky HA, Taha A, Marie H, El-Desouky E, Raslan O, Moussa AA, Ahmad AM, Abo-Louz A, Zaki S, Fares T, Eesa A. Role of topical oxytocin in improving vaginal atrophy in postmenopausal women: a randomized, controlled trial. Climacteric. 2018 Apr;21(2):174-178. doi: 10.1080/13697137.2017.1421924. Epub 2018 Jan 19. — View Citation

Zohrabi I, Abedi P, Ansari S, Maraghi E, Shakiba Maram N, Houshmand G. The effect of oxytocin vaginal gel on vaginal atrophy in postmenopausal women: a randomized controlled trial. BMC Womens Health. 2020 May 19;20(1):108. doi: 10.1186/s12905-020-00935-5. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Comparison of vaginal cytology test for vaginal maturation index measurement VMI = 0.2 × % parabasal cells+0.6 × % intermediate cells+1.0 × % superficial cells score below 52 mean significant vulvovaginal atrophy Change from baseline VMI at 8 weeks
Secondary Comparison of vaginal health index; scoring from vaginal examination Score 5-25, below 15 mean significant vulvovaginal atrophy from physical examination Change from baseline vaginal health index score at 8 weeks
Secondary Comparison of subjective symptoms by The most bothersome symptoms score score from 0-4, 0 = absent, 4 = severe symptom Change from baseline subjective symptom score at 2 weeks
Secondary Comparison of subjective symptoms by The most bothersome symptoms score score from 0-4, 0 = absent, 4 = severe symptom Change from baseline subjective symptom score at 4 weeks
Secondary Comparison of subjective symptoms by The most bothersome symptoms score score from 0-4, 0 = absent, 4 = severe symptom Change from baseline subjective symptom score at 8 weeks
Secondary Comparison of vaginal pH between two group pH from Nitrazine paper test Vaginal pH at 8 weeks
Secondary Comparison of adverse events between two group present of adverse events adverse events within 8 weeks
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