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Tadalafil (maintenance and as needed) drug regimen on consumption factors in men with erectile dysfunction.

Comparison of the effects of two tadalafil regimens (maintenance and as needed) on inflammatory factors in men with erectile dysfunction: a randomized clinical trial study

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
IRCT
Registry ID
IRCT20260121068634N1
Enrollment
80
Registered
2026-02-02
Start date
2026-03-21
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

Erectile dysfunction. Male erectile dysfunction, unspecified

Interventions

Intervention 1: Intervention group 1: Maintenance regimen of tadalafil tablets 5 mg daily for 12 consecutive weeks. Intervention 2: Intervention group 2: Tadalafil 10 mg tablet regimen before sexual a

Sponsors

Esfahan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
40 Years to 70 Years

Inclusion criteria

Inclusion criteria: Men aged 40 to 70 years Diagnosis of erectile dysfunction by a urology specialist IIEF-5 score = 21 Having at least two sexual activities per week Not having used PDE5 inhibitor drugs within the 4 weeks prior to study entry Written informed consent to participate in the study Normal serum testosterone level

Exclusion criteria

Exclusion criteria: Allergy to tadalafil Prohibited drug interactions such as nitrates Use of other PDE5 inhibitors within the last 4 weeks Unwillingness to give informed consent

Design outcomes

Primary

MeasureTime frame
International Index of Erectile Function 5- items Score Questionnaire Score. Timepoint: At the beginning of the study and after 8 weeks, requested tests are requested after using various doses of tadalafil. Method of measurement: International Index of Erectile Function 5- items Score.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMohammadjavad Nazarpour

Esfahan University of Medical Sciences

nazarpour1992@gmail.com+98 31 3130 0975

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jun 11, 2026