Reviewers -- Contents -- Introduction -- Session 1A: Organization of the NCI Clinical Trials System -- Session 1B: Lessons from Non-Cooperative Group Multi-Center Clinical Trials -- Session 2: Barriers to Patient Recruitment and Physician Participation -- Session 3: Data Collection Standards and Monitoring -- Session 4: Costs of Cooperative Group Clinical Trials -- Summary and Wrap-Up -- References -- Abbreviations and Acronyms -- Glossary -- Appendix A: Workshop Agenda -- Appendix B: Workshop Speakers -- Appendix C: Letter from John Niederhuber, Director of the National Cancer Institute, to Members of the National Cancer Policy Forum.