How to improve accrual to clinical trials of symptom control 2: design issues

Andrew J Vickers1

  • 1Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA. vickersa@mskcc.org

Insights

Clinical trial recruitment in integrative oncology is hindered by restrictive eligibility criteria and excessive patient burdens. Optimizing trial design by critically evaluating criteria and reducing participation demands can improve patient accrual for cancer research.

Area of Science:

  • Integrative oncology
  • Clinical trial design
  • Patient accrual

Background:

  • Clinical trials in integrative oncology frequently fail due to insufficient patient numbers.
  • Overly restrictive eligibility criteria are a primary cause of poor patient accrual.
  • Excessive patient participation burdens can also negatively impact recruitment.

Purpose of the Study:

  • To identify key factors hindering patient accrual in integrative oncology clinical trials.
  • To propose strategies for optimizing clinical trial design to improve patient recruitment.
  • To ensure the benefits of participation outweigh the burdens for patients in clinical studies.

Main Methods:

  • Critical examination of inclusion and exclusion criteria in clinical trial protocols.
  • Assessment of patient participation burdens, including travel and data collection.
  • Evaluation of strategies to enhance patient-reported benefits, such as guaranteed treatment for control groups.

Main Results:

  • Restrictive eligibility criteria significantly reduce the potential patient pool.
  • High patient burden, including travel and excessive questionnaires, deters participation.
  • Failure to ensure perceived benefits can lead to patient withdrawal or non-participation.

Conclusions:

  • Investigators must rigorously assess each criterion for its impact on accrual versus study benefit.
  • Minimizing patient burden through fewer visits and streamlined data collection is crucial.
  • Strategies guaranteeing treatment benefits, even for control groups, can enhance participation in oncology trials.

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