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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
10
|
pubmed:dateCreated |
1993-1-27
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pubmed:abstractText |
Recent animal studies have shown that pretreatment with centrally active cholecystokinin (CCK) antagonists blocks the anxiogenic effects of CCK-tetrapeptide (CCK-4). In order to determine whether pretreatment with these antagonists can block the anxiogenic effects of CCK-4 in patients with panic disorder, a suitable challenge dose of CCK-4 must be selected. Thus, we conducted a dose range study in which patients with panic disorder (n = 29) were challenged with CCK-4 (10, 15, 20, or 25 micrograms) or placebo on two separate occasions, in a balanced incomplete block design. Patients received in random order 10 micrograms (n = 12), 15 micrograms (n = 11), 20 micrograms (n = 12), or 25 micrograms (n = 12) of CCK-4 or placebo (n = 11). CCK-4 induced anxiety and panic responses in a dose-dependent fashion. The incidence of panic attacks following the CCK-4 challenge was 17% (10 micrograms), 64% (15 micrograms), 75% (20 micrograms), and 75% (25 micrograms). None of the patients panicked with placebo. Moreover, a strong linear relationship between CCK-4 and increases in heart rate and diastolic blood pressure was found. The findings of this study suggest that a dose of 20 micrograms of CCK-4 (ED75) might be suitable for efficacy studies of CCKB antagonists and other potential antipanic drugs in patients with panic disorder.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:month |
Nov
|
pubmed:issn |
0006-3223
|
pubmed:author | |
pubmed:issnType |
Print
|
pubmed:day |
15
|
pubmed:volume |
32
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
903-12
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:1467375-Adolescent,
pubmed-meshheading:1467375-Adult,
pubmed-meshheading:1467375-Arousal,
pubmed-meshheading:1467375-Blood Pressure,
pubmed-meshheading:1467375-Dose-Response Relationship, Drug,
pubmed-meshheading:1467375-Female,
pubmed-meshheading:1467375-Heart Rate,
pubmed-meshheading:1467375-Humans,
pubmed-meshheading:1467375-Injections, Intravenous,
pubmed-meshheading:1467375-Male,
pubmed-meshheading:1467375-Middle Aged,
pubmed-meshheading:1467375-Panic,
pubmed-meshheading:1467375-Panic Disorder,
pubmed-meshheading:1467375-Tetragastrin
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pubmed:year |
1992
|
pubmed:articleTitle |
A dose-ranging study of the behavioral and cardiovascular effects of CCK-tetrapeptide in panic disorder.
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pubmed:affiliation |
Division of Psychopharmacology, St. Mary's Hospital Center, McGill University, Montreal, Quebec.
|
pubmed:publicationType |
Journal Article,
Clinical Trial,
Randomized Controlled Trial,
Research Support, Non-U.S. Gov't
|