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Phase I Study to Investigate the Drug Interaction After Oral Administration of Tamsulosin and SK3530

Clinical Trial to Investigate the Influence of Drug Interaction After Oral Administration of Tamsulosin and SK3530 in Healthy Male Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00489606
Enrollment
16
Registered
2007-06-21
Start date
2007-04-30
Completion date
2007-06-30
Last updated
2007-06-21

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

Conditions

Erectile Dysfunction

Keywords

SK3530, tamsulosin, hemodynamic interaction, safety

Brief summary

To assess the pharamcodynamic effects of coadministrated SK3530(PDE5 inhibitor) and tamsulosin, phase I study in healthy volunteers was designed.

Detailed description

During each of the two periods of a randomized, double-blind, placebo-controlled, crossover study, 16 healthy men received tamsulosin 0.2 mg daily for 7 days and either a single 100 mg of SK3530 or placebo on day7. The blood pressure and heart rate were monitored before and for 24 hours after SK3530 or placebo.

Interventions

DRUGSK3530

Sponsors

SK Chemicals Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

Sex/Gender
MALE
Age
20 Years to 50 Years
Healthy volunteers
Yes

Inclusion criteria

* ages 20 to 50 * body weight of IBM±20%

Exclusion criteria

* cardiovascular disease * color-blindness or weakness * hypotension, hypertension, orthostatic hypertension * abmormal QTc (\>430 ms)

Design outcomes

Primary

MeasureTime frame
Maximal decrease from baseline in supine SBPwithin 6 hrs after SK3530 or placebo

Secondary

MeasureTime frame
Incidence of postural hypotensionwithin 6 hrs after SK3530 or placebo
Maximal decrease from baseline in standing SBP, supine/standing DBP & HRwithin 6 hrs after SK3530 or placebo
Outlier analysis: i) Standing/supine SBP < 85 mmHg, DBP < 45 mmHg; ii) Change in standing/supine SBP > 30 mmHg, DBP > 20 mmHgwithin 6 hrs after SK3530 or placebo

Countries

South Korea

Outcome results

None listed

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