In other instances, the tone of the guideline implies that if a treatment is not systematically studied, it is not effective. There is variability within the guideline as to the value of case reports.
Four classes of medications have been found to be effective in the treatment of panic disorder ... As with other medication, the guideline notes that the optimum time period on SSRIs is not ...
An updated evidence-based guideline aimed at helping clinicians and other health care providers manage patients with opioid use disorder recommends buprenorphine and methadone as first-line treatments ...