A Randomized Crossover Trial of the Efficacy of Device Masturbation in Patients with Difficult Ejaculation

A Randomized Crossover Trial of the Efficacy of Device Masturbation in Patients with Difficult Ejaculation - A Randomized Crossover Trial of the Efficacy of Device Masturbation in Patients with Difficult Ejaculation

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000043877

Enrollment

Registered

2021-04-09

Start date

2021-04-01

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

Infertility

Interventions

Each patient&#39

s normal method of masturbation. A method of masturbation in which the penis is stimulated with a masturbation device while a medical condom is attached to the erect penis and ejaculated into the medi

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Self-identification of ejaculation difficulties during masturbation (confirmed by medical history) with little or no history of erectile dysfunction medication or device masturbation.

Exclusion criteria

Exclusion criteria: (1) regular use of erectile dysfunction medication, (2) unwillingness to masturbate with a device, (3) history of diabetes, (4) history of malignant disease, (5) history of depression, (6) other factors that may interfere with participation in the clinical trial

Design outcomes

Primary

Measure	Time frame
Reduction in the difficulty of masturbation as measured by the visual analog scale (VAS).	—

Secondary

Measure	Time frame
Maximum penile hardness, semen testing parameters, and safety	—

Countries

Japan

Contacts

Public ContactShinnosuke Komiya

HORAC Grand Front Osaka Clinic Gynecology

komiya0703@gmail.com+81663778824

Outcome results

None listed

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