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Related Experiment Videos

What difference does it make to be treated in a clinical trial? A pilot study

C Weijer1, B Freedman, A Fuks

  • 1Clinical Trials Research Group, McGill University, Montreal, Que. WEIJER_C@FALAW.LAN.MCGILL.CA

Clinical and Investigative Medicine. Medecine Clinique Et Experimentale
|June 1, 1996
PubMed
Summary

Patients in oncology clinical trials receive more intensive monitoring and standard-dose chemotherapy. This may explain the survival advantage observed in cancer clinical trial participants.

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Area of Science:

  • Oncology
  • Clinical Trials
  • Health Services Research

Background:

  • Previous studies indicate higher survival rates for cancer patients in clinical trials.
  • This survival difference persists even after adjusting for patient age and disease stage.

Purpose of the Study:

  • To compare treatment differences between early-stage breast cancer patients in clinical trials versus standard clinical care.
  • To identify potential mechanisms behind the observed survival advantage in clinical trial participants.

Main Methods:

  • Retrospective chart review of 90 women with early-stage breast cancer.
  • Comparison of treatment intensity (chemotherapy, radiation, tests, visits) between 51 trial patients and 39 non-trial patients.
  • Statistical analysis controlled for patient age and disease stage.
Keywords:
Biomedical and Behavioral ResearchEmpirical Approach

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Main Results:

  • Clinical trial patients were more likely to receive standard-dose chemotherapy (p=0.020).
  • Patients in clinical trials underwent more frequent blood tests (p<0.001).
  • These differences were significant after adjusting for age and disease stage.

Conclusions:

  • Findings suggest more intensive treatment and monitoring in clinical trials may explain survival benefits.
  • Results have implications for informed consent and clinical practice in oncology.
  • Further research is warranted to confirm these findings.