Evaluating the Literature
General Issues in Evaluating CAM Research:
- Observe the usual concerns about having adequate sample sizes, using valid statistical techniques, appropriate control groups, etc.
- It’s preferable to use standardized and previously validated assessment measures, rather than ones that have been designed just for the study in question.
- Ensure the presence of appropriate (though often difficult to arrange) sham therapies for the control group when testing Therapeutic Touch, acupuncture, hypnosis and other CAM therapies.
- Take into account non-specific treatment factors such as expectation and clinician contact time.
See also: Challenges to Using an Evidence-based Approach to Complementary and Alternative Medicine
Specific Issues in Evaluating CAM Pain Research
- Be wary of studies that focus only on levels of pain, rather than improvement in functional activity levels.
- Distinguish acute from chronic pain.
- Distinguish pain by etiologic diagnosis, not by location.
- Minimize or control for psychiatric co-morbidities, especially major depression and post-traumatic stress disorder (PTSD).
- Control for concurrent use of pain and psychiatric medications.

