Headache Study to Compare Aggrenox Full Dose & Reduced Dose

Status Completed

Clinical Trial Summary

Tolerability of a four weeks treatment with Aggrenox® modified release capsules b.i.d, compared to reduced dose during the first two weeks of treatment in a double-blind, randomized controlled parallel group comparison trial among Taiwanese patients with previous TIA's or ischemic stroke.To monitor frequency and intensity of headaches and other safety parameters among Taiwanese patients with previous TIA's or ischemic stroke given Aggrenox using a titration scheme or not

Clinical Trial Description

The major objective of the study is to evaluate the tolerance of headache and safety in Taiwan Taiwanese patients who are receiving two different dosing regimens of Aggrenox and Aggrenox placebo. The first group will start with placebo on days 1-4, daily dose on days 5-14, and following by b.i.d treatment on 15-28 days. This group will also receive a matching placebo in the morning and one Aggrenox capsule in the evening before on days 5-14. It enables to reduce the perception of dipyridamole-associated headache. The second group will receive the placebo twice daily on days 1-4, and medication twice daily for the remaining course. The third group will receive the placebo twice daily for the whole course.

Study Hypothesis:

NULL AND ALTERNATIVE HYPOTHESES

From a subject diary, asking for the most frequent side effects observed in the ESPS2 trial, the cumulative headache (intensity x frequency) per day based on the first three days of treatment period defines the primary endpoint.

I: H0: Median cumulative headache is equal for all treatment groups vs. HA: Median cumulative headache is not equal for all treatment groups

II: H0: Median cumulative headache of low dose regimen?Median cumulative headache of regular dose vs. HA: Median cumulative headache of low dose regimen < Median cumulative headache of regular dose

Comparison(s):

Compare Aggrenox full dose, reduced dose and placebo ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00274586
Study type	Interventional
Source	Boehringer Ingelheim
Contact
Status	Completed
Phase	Phase 3
Start date	September 2002
Completion date	April 2003

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Headache Study to Compare Aggrenox Full Dose and Reduced Dose

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms