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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6
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pubmed:dateCreated |
1981-2-19
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pubmed:abstractText |
Sequential administration of estrogen (40 microgram depoestradiol cypionate and estradiol benzoate) on cycle days 18--20 and bromergocryptine (CB-154; 0.5 mg/kg, twice daily) on cycle days 20-22 induced luteolysis in seven of nine cynomolgus monkeys, significantly shortened menstrual cycles (23.5 +/- 0.7 days), and caused a significant decline in plasma progesterone levels during the period of CB-154 administration. Two treated monkeys did not have shortened menstrual cycles, although a luteolytic effect on plasma progesterone was evident. One monkey with a late ovulation (confirmed by endocrine parameters and laparoscopic observation) was treated with the same regimen in the early luteal phase; this also resulted in a decline in plasma progesterone and a shortened luteal phase (11 days). Treatment with the estrogen or the CB-154 component alone had no effect on menstrual cycle length or plasma progesterone levels. Similarly, treatment with CB-154 throughout the luteal phase had no effect on luteal function. An abbreviated treatment consisting of 1 day of estrogen and 1 day of CB-154 administration gave some indication of a luteolytic effect. None of these treatments produced detectable side effects. These studies have demonstrated a synergism of estrogen and CB-154 in the induction of luteolysis in cynomolgus monkeys. The present regimen, because of the effectiveness and apparent lack of side effects, deserves further investigation for possible clinical application.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
AIM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Bromocriptine,
http://linkedlifedata.com/resource/pubmed/chemical/Estradiol,
http://linkedlifedata.com/resource/pubmed/chemical/Luteolytic Agents,
http://linkedlifedata.com/resource/pubmed/chemical/Progesterone,
http://linkedlifedata.com/resource/pubmed/chemical/estradiol 17 beta-cypionate
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pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
0021-972X
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
51
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1311-5
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:7440697-Animals,
pubmed-meshheading:7440697-Bromocriptine,
pubmed-meshheading:7440697-Corpus Luteum,
pubmed-meshheading:7440697-Drug Synergism,
pubmed-meshheading:7440697-Estradiol,
pubmed-meshheading:7440697-Female,
pubmed-meshheading:7440697-Luteolytic Agents,
pubmed-meshheading:7440697-Macaca fascicularis,
pubmed-meshheading:7440697-Menstruation,
pubmed-meshheading:7440697-Progesterone
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pubmed:year |
1980
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pubmed:articleTitle |
Synergism of estrogen and bromergocryptine in the induction of luteolysis in cynomolgus monkeys (Macaca fascicularis).
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
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