The 4-Item negative symptom assessment (NSA-4) instrument: A simple tool for evaluating negative symptoms in schizophrenia following brief training

Psychiatry (Edgemont)

Volumn 7, Issue 7, 2010, Pages 26-32

  Alphs, Larry ^a   Morlock, Robert ^b   Coon, Cheryl ^c   van Willigenburg, Arjen ^d   Panagides, John ^e  

^a JANSSEN RESEARCH AND DEVELOPMENT   (United States)

^b BIOGEN   (United States)

^c RTI HEALTH SOLUTIONS   (United States)

^d Healthcare Communications Europe ^*  (Netherlands)

^e MERCK RESEARCH LABORATORIES   (United States)

Author keywords

Negative symptoms; NSA 4; Schizophrenia

Indexed keywords

ARTICLE; AUSTRALIA; CANADA; CLINICAL ASSESSMENT TOOL; CONTROLLED STUDY; DISEASE SEVERITY; EUROPE; FAR EAST; HUMAN; INDIA; MEDICAL STUDENT; MEXICO; NEGATIVE SYMPTOM ASSESSMENT; NEGATIVE SYNDROME; NURSE; PHYSICIAN; PSYCHIATRIST; PSYCHOLOGIC ASSESSMENT; PSYCHOLOGICAL RATING SCALE; PSYCHOLOGIST; SCHIZOPHRENIA; SOUTH AMERICA; UNITED STATES;

EID: 77956132630     PISSN: 15505952     EISSN: 15555194     Source Type: Journal    
DOI: None     Document Type: Article

References (12)

1. Goeree R, Farahati F, Burke N, et al. The economic burden of schizophrenia in Canada in 2004. Curr Med Res Opin. 2005;21:2017-2028.
2. Wu EQ, Birnbaum HG, Shi L, Ball DE, et al. The economic burden of schizophrenia in the United States in 2002. J Clin Psychiatry. 2005;66:1122-1129.
3. Kay SR, Fiszbein A, Opler LA. The Positive and Negative Syndrome Scale (PANSS) for schizophrenia. Schizophr Bull. 1987;13:261-276.
4. Andreasen NC. The Scale for the Assessment of Negative Symptoms (SANS): conceptual and theoretical foundations. Br J Psychiatry Suppl. 1989;49-58.
5. Axelrod BN, Goldman RS, Alphs LD. Validation of the 16-item Negative Symptom Assessment. J Psychiatr Res. 1993;27:253-258.
6. Alphs LD, Summerfelt A, Lann H, Muller RJ. The negative symptom assessment: a new instrument to assess negative symptoms of schizophrenia. Psychopharmacol Bull. 1989;25;159-163.
7. Axelrod BN, Alphs LD. Training novice raters on the Negative Symptom Assessment Scale. Schizophr Res. 1993;9:25-28.
8. Axelrod BN, Goldman RS, Woodard JL, Alphs LD. Factor structure of the negative symptom assessment. Psychiatry Res 1994;52:173-179.
9. Alphs L, Hill C, Cazorla P, et al. Psychometric evaluation of the four-item Negative Symptom Assessment (NSA-4) in schizophrenic patients with predominant negative symptoms. New Clinical Drug Evaluation Unit, 47th Annual Meeting. Boca Raton, FL, 2007.
10. Daniel DG, Alphs L, Cazorla P, Bartko JJ, Panagides J. Training for assessment of negative symptoms of schizophrenia across languages and cultures: comparison of the NSA-4 with the PANSS negative subscale and negative symptom factor. Schizophren Res. 2010 (In Development).
11. Cazorla P, Panagides J, Alphs L, et al. Asenapine versus olanzapine in patients with predominant, persistent negative symptoms of schizophrenia. [Poster NR4-082] American Psychiatric Association 2008 May 3-8, Washington, DC.
12. Cazorla P, Panagides J, Zhao J, et al. Long-term efficacy of asenapine in people with persistent negative symptoms of schizophrenia. [Poster NR6-29] American Psychiatric Association 2010 May 22-26, New Orleans, Louisiana.