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Oxtocin administration experiment(Menstrual cycle analysis)

An experiment to examine the effects of oxytocin administration and menstrual cycle on competitive preference / social preference

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs051210118
Enrollment
250
Registered
2021-11-09
Start date
2021-12-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Healthy Females

Interventions

Sponsors

Satoshi Nakagawa
Lead Sponsor
Otake Fumio
Collaborator
Ministry of Education, Culture, Sports, Science and Technology
Collaborator

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: For those who meet all of the following criteria. (1) Premenopausal healthy women (2) Age: 18<= and <45 at the point of informed consent (3) No serious disease under medical treatment A healthy woman is defined as a woman who does not have any abnormality that meets the exclusi on criteria and who has not been found to have any abnormality that requires treatment in a school or workplace examination conducteds after fiscal 2023.To determine the eligibility criteria,it is necessary to submit the results of a school or workplace medical checkup, and following items are confirmed by the docors. Check items: (1) The absence of significant edema (2) Systolic blood pressure < 140 mgHg and diastolic blood pressure < 90 mmHg (3) No possibility of pregnant (4) No ECG abnormalities that require awareness or treatment of arrhythmia

Exclusion criteria

Exclusion criteria: Those who fall under any of the following criteria will be excluded from the research subjects of this clinical research. (1) Pregnant and breastfeeding women(Including within 1 year after delivery) (2) History of tretment with oxytocin (3) History of head injury with impaired consciousness for more than 5 minutes (4) Drug dependence or alcohol dependence or their previous history (5) History of water intoxication with consciousness or seizures (6) Polydipsia (remarkably daily heavy drinking more than 2.5L per day) (7) Those who are aware of arrhythmia or have abnormal ECG (8) Those who taking pill (9) Any other interested person (10)When the research investigator determines inappropriate case for the other reasons. (e.g., when drug absorption through the nasal mucosa is considered to be difficult due to previous nasal surgery)

Design outcomes

Primary

MeasureTime frame
Selection rate of "Personal Performance" or "Tournament Reward" in the economic experiment to measure the competitive preferences after administration of the drug (Oxytocin or Placebo).

Secondary

MeasureTime frame
1.The degree of trusting others calculated based on the "investment " and "return " in the "economic experiment to measure social preference " conducted after administration of the test drug (oxytocin nasal spray or placebo) 2. Oxytocin concentration in saliva 3. Evaluation of the relationship between the primary endpoints and the above secondary endpoints in the follicular phase and luteal phase 4. Adverse events 5. Demographic survey by questionnaire

Contacts

Public ContactNakagawa Satoshi

Osaka University Hospital

s.nakagawa@gyne.med.osaka-u.ac.jp+81-6-6879-3351

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026