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A Pharmacokinetic Study of Vaginally and Intravenously Administered Oxytocin

A Pharmacokinetic Study of Vaginally and Intravenously Administered Oxytocin in Postmenopausal Women With Vaginal Atrophy

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01975129
Enrollment
12
Registered
2013-11-04
Start date
2013-09-30
Completion date
2014-02-28
Last updated
2015-05-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Vaginal Atrophy

Brief summary

This study aims to evaluate the uptake of oxytocin following intravaginal administration of Vagitocin 400IU over a period of 15 days and also to compare oxytocin bioavailability after vaginal and intravenous administration. 12 healthy postmenopausal female volunteers, 40 to 70 years old with vaginal atrophy will be included and will self-administer Vagitocin intravaginally on day 2-14 (day 1 and 15 Vagitocin is given in the clinic). On day 22 a single intravenous dose of oxytocin 10 IU Syntocinon® will be given. Oxytocin plasma levels after intravaginal and intravenous administration will be analysed day 1, 15 and 22 at timepoints: -1.0, -0.5, 0, 0.25, 0.5, 1.0, 1.5, 2.0, 3.0, 4.0, 5.0, 6.0 and 8.0 hours, relative to dosing. Based on the obtained plasma levels for oxytocin, pharmakokinetic variables will be calculated. The % of oxytocin which was absorbed following vaginal administration (bioavailability)will also be calculated.

Interventions

DRUGVagitocin

Sponsors

PepTonic Medical AB
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
40 Years to 70 Years
Healthy volunteers
Yes

Inclusion criteria

* Post-menopausal women with vaginal atrophy as judged by the investigator * Willing to participate in the study as indicated by signing the informed consent * Healthy post-menopausal women between the ages of 40 and 70 years, inclusive * Body mass index (BMI) less than or equal to 32 kg/m2 but greater than or equal to 19 kg/m2 * Judged by the Investigator to be healthy on the basis of medical evaluation

Exclusion criteria

* Hospitalized subjects * Symptoms of any significant acute illnesses at the screening visit * History of significant allergies (including food, asthma, or drug allergies including allergies to any ingredient of the trial product) * Known history of sensitivity to oxytocin or related derivatives * Follicle-stimulating hormone level \< 40 pmol/mL * Known history of narcotic addiction, drug abuse or alcoholism * Simultaneously participate in another clinical study * Use of any sex steroids including phytoestrogens, hormonal intrauterine device or herbal medicinal products with known estrogenic effects within 3 months prior to baseline * Uncontrolled hypertension and/or hypercholesterolemia

Design outcomes

Primary

MeasureTime frameDescription
Oxytocin plasma levelsDay 1 to 26Oxytocin plasma levels after intravaginal and intravenous administration

Countries

Sweden

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026