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"Did the trial kill the intervention?" experiences from the development, implementation and evaluation of a complex
Lydia Bird1, Antony Arthur, Karen Cox
1Faculty of Medicine and Health Sciences, School of Nursing, Midwifery and Physiotherapy, B49 Research Office, Queen's Medical Centre, University of Nottingham, NG7 2HA, UK. lydia.bird@nottingham.ac.uk
BMC Medical Research Methodology
|March 3, 2011
Summary
Evaluating complex health interventions like rehabilitation programs is challenging. This study highlights patient and staff difficulties with standardization, equipoise, and the biomedical culture, emphasizing the need for genuine commitment.
Area of Science:
- Health Services Research
- Clinical Trial Methodology
- Intervention Science
Background:
- Developing and evaluating new health interventions presents significant complexities.
- This study examines these complexities through the lens of a rehabilitation program evaluation.
Purpose of the Study:
- To explore the challenges encountered during the design, implementation, and evaluation of a complex health intervention.
- To foster discussion on navigating the intricacies of complex intervention research.
Main Methods:
- Conducted semi-structured interviews with 15 trial participants and 5 staff members.
- The interviews occurred at the conclusion of a trial evaluating a rehabilitation program for post-stem cell transplantation recovery.
Main Results:
- Identified challenges in developing and evaluating complex interventions.
- Patients found standardized interventions difficult to accept; participants and staff struggled with equipoise and randomization.
- A cultural discordance existed between the intervention's psychosocial focus and the prevailing biomedical research environment.
Conclusions:
- Strong patient and staff beliefs about intervention efficacy can exist despite limited scientific evidence.
- Complex intervention evaluations should embrace, not limit, inherent complexities.
- Securing genuine commitment, beyond mere acquiescence from authority figures, is crucial for trial success.
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