Is there evidence for efficacy any stronger?
"With no good evidence for efficacy and the potential for increasing the risk for suicide, the risk-benefit balance is unfavorable," the researchers reported.
Edzard Ernst, professor of complementary medicine at the Peninsula medical school, Exeter University, whose work is researching the evidence for efficacy in alternative therapies, was another signatory.
Despite this enormous healthcare investment, mainly by direct consumer purchase, evidence for efficacy is poor by modern standards.
What is the evidence for efficacy of dietary and/or supplemental ω-3 fatty acids in preventing age-related macular degeneration (AMD)?
Despite this, the evidence for efficacy of treatment is limited, and until recently, guidance for clinicians on conservative rehabilitation programs has been inadequate.
But they are the best evidence for efficacy, he believes.
Many have expressed concern, however, about limited oversight, regulation, and evidence for efficacy.
Psychological treatments with scientific evidence for efficacy include relaxation training, EMG biofeedback and cognitive-behavioural therapy.
Physical therapy and acupuncture are widely used, but the scientific evidence for efficacy is sparse.
Reference: 4. Saper JR, Silberstein S. Pharmacology of dihydroergotamine and evidence for efficacy and safety in migraine.
