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Recruitment in the Coronary Drug Project and the Aspirin Myocardial Infarction Study
Insights
Recruiting patients for secondary coronary heart disease prevention trials requires aggressive strategies. Direct public outreach and hospital record searches were most effective, unlike physician referrals.
Area of Science:
- Cardiology
- Clinical Trials
- Public Health
Background:
- Secondary prevention of coronary heart disease (CHD) is crucial after myocardial infarction (MI).
- Long-term multicenter clinical trials are essential for evaluating secondary prevention strategies.
- Effective patient recruitment is a significant challenge in clinical research.
Purpose of the Study:
- To evaluate patient recruitment strategies for secondary prevention trials.
- To identify effective methods for enrolling post-myocardial infarction patients.
- To assess the feasibility of conducting long-term CHD prevention studies.
Main Methods:
- Analysis of recruitment data from the Coronary Drug Project (CDP) and Aspirin Myocardial Infarction Study (AMIS).
- Comparison of different recruitment approaches: direct public outreach, mass media, hospital record searches, and physician referrals.
- Assessment of recruitment timelines and success rates for each method.
Main Results:
- Both CDP and AMIS successfully recruited sufficient post-MI patients for long-term trials.
- Aggressive recruitment efforts were necessary to meet timelines.
- Direct public engagement via mass media and thorough hospital record reviews were the most successful recruitment methods.
- Physician referrals proved largely ineffective for participant recruitment.
Conclusions:
- Successful recruitment for secondary CHD prevention trials necessitates proactive and diverse strategies.
- Public and medical community support exists for such vital research.
- Optimizing recruitment methods is key to advancing cardiovascular disease research and patient outcomes.
Abstract:
Both the Coronary Drug Project (CDP) and the Aspirin Myocardial Infarction Study (AMIS) were successfully able to recruit adequate members of postmyocardial infarction patients to long-term multicenter clinical trials in the secondary prevention of coronary heart disease. Aggressive efforts to achieve the recruitment within an acceptable time limit were found to be neccessary. A direct approach to the general public via the mass media and painstaking search of hospital records proved to be the most effective methods. Referral from physicians was not an effective way to recruit participants for the most part. Both the general public and the medical profession are generally supportive of this type of research.