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Science 11 September 1998: Vol. 281. no. 5383, pp. 1640 - 1645 DOI: 10.1126/science.281.5383.1640
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Research Articles
Distinct Mechanism for Antidepressant Activity by Blockade of Central Substance P Receptors
Mark S. Kramer,
*
Neal Cutler,
John Feighner,
Ram Shrivastava,
John Carman,
John J. Sramek,
Scott A. Reines,
Guanghan Liu,
Duane Snavely,
Edwina Wyatt-Knowles,
Jeffrey J. Hale,
Sander G. Mills,
Malcolm MacCoss,
Christopher J. Swain,
Timothy Harrison,
Raymond G. Hill,
Franz Hefti,
Edward M. Scolnick,
Margaret A. Cascieri,
Gary
G. Chicchi,
Sharon Sadowski,
Angela R. Williams,
Louise Hewson,
David Smith,
Emma J. Carlson,
Richard J. Hargreaves,
Nadia M. J. Rupniak
The localization of substance P in brain regions that coordinate
stress responses and receive convergent monoaminergic innervation suggested that substance P antagonists might have psychotherapeutic properties. Like clinically used antidepressant and anxiolytic drugs,
substance P antagonists suppressed isolation-induced vocalizations in
guinea pigs. In a placebo-controlled trial in patients with moderate to
severe major depression, robust antidepressant effects of the substance
P antagonist MK-869 were consistently observed. In preclinical studies,
substance P antagonists did not interact with monoamine systems in the
manner seen with established antidepressant drugs. These findings
suggest that substance P may play an important role in psychiatric
disorders.
M. S. Kramer is at Merck Research Laboratories, West Point,
PA 19456, USA, and in the Department of Psychiatry and Human Behavior,
Thomas Jefferson Medical College, Philadelphia, PA 19107, USA. N. Cutler and J. J. Sramek are at California Clinical Trials, Beverly
Hills, CA 90211, USA. J. Feighner is at the Feighner Research
Institute, San Diego, CA 92121, USA. R. Shrivastava is at the
Eastside Medical Group, New York, NY 10021, USA. J. Carman is at
Carman Research, Smyrna, GA 30080, USA. S. A. Reines, G. Liu,
D. Snavely, and E. Wyatt-Knowles are at Merck Research Laboratories,
West Point, PA 19456, USA. J. J. Hale, S. G. Mills, M. MacCoss, M. A. Cascieri, G. G. Chicchi, and S. Sadowski are
at Merck Research Laboratories, Rahway, NJ 07065, USA. C. J. Swain, T. Harrison, R. G. Hill, F. Hefti, A. R. Williams, L. Hewson, D. Smith, E. J. Carlson, R. J. Hargreaves, and
N. M. J. Rupniak are at the Merck Sharp & Dohme Neuroscience
Research Centre, Harlow CM20 2QR, England. E. M. Scolnick is at
Merck Research Laboratories, West Point, PA 19456, USA, and Merck
Research Laboratories, Rahway, NJ 07065, USA.
M. Kramer and N. Rupniak are the principal contributors
to the clinical and preclinical studies, respectively.
*
To whom correspondence concerning the clinical study should be
addressed. E-mail: Mark_Kramer{at}merck.com
To whom correspondence concerning the preclinical studies
should be addressed. E-mail: Nadia_Rupniak{at}merck.com
Read the Full Text
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