Daily Assessment of Symptoms – Anxiety

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The Daily Assessment of Symptoms – Anxiety (DAS-A) questionnaire was specifically developed to detect reduction of anxiety symptoms in patients with Generalized Anxiety Disorder (GAD) during the first week of treatment.[1] The original version of the instrument was designed for use in clinical trials assessing new pharmaceutical treatments for patients with GAD. The instrument is able to detect symptom changes within 24 hours of treatment. Currently,[2009] this is the only GAD specific tool validated to assess symptom improvement sooner than one week following treatment initiation.


  1. ^ Feltner, Douglas E.; Harness, Jane; Brock, Jerri; Sambunaris, Angelo; Cappelleri, Joseph C.; Morlock, Robert (Spring 2009). "Clinical Evaluation of the Daily Assessment of Symptoms-Anxiety (DAS-A): A New Instrument to Assess the Onset of Symptomatic Improvement in Generalized Anxiety Disorder". CNS Neuroscience & Therapeutics. 15 (1): 12–8. doi:10.1111/j.1755-5949.2008.00075.x. PMID 19228175.
  • Morlock, Robert J.; Williams, Valerie S.L.; Cappelleri, Joseph C.; Harness, Jane; Fehnel, Sheri E.; Endicott, Jean; Feltner, Douglas (October 2008). "Development and evaluation of the Daily Assessment of Symptoms – Anxiety (DAS-A) scale to evaluate onset of symptom relief in patients with generalized anxiety disorder". Journal of Psychiatric Research. 42 (12): 1024–36. doi:10.1016/j.jpsychires.2007.09.005. PMID 18061206. (Subscription required (help)).