Effect of oral contraceptives on plasma clearance. 1975

D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine

The effects of chronic steroid contraceptive therapy on drug clearance from plasma were studied by using plasma antipyrine, phenylbutazone, and cholecalciferol half-lives in women. After 3 mo of oral steroid therapy (Norinyl, 2 mg; norethindrone + mestranol), the antipyrine half-life was increased in 3 of 6 subjects, phenylbutazone half-life was not consistently altered, and vitamin D3 half-life was increased in 3 of 4 patients. After 1 to 7 yr of oral steroid theraphy, the antipyrine half-life was longer while taking the contraceptive than when the contraceptive treatment was discontinued in 4 of 6 subjects, whereas that of phenylbutazone was not consistently altered.

UI MeSH Term Description Entries
D010653 Phenylbutazone A butyl-diphenyl-pyrazolidinedione that has anti-inflammatory, antipyretic, and analgesic activities. It has been used in ANKYLOSING SPONDYLITIS; RHEUMATOID ARTHRITIS; and REACTIVE ARTHRITIS. Diphenylbutazone,Fenilbutazon,Butacote,Butadion,Butadione,Butapirazol,Butapyrazole,Butazolidin
D011485 Protein Binding The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. Plasma Protein Binding Capacity,Binding, Protein
D002762 Cholecalciferol Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24. Vitamin D 3,(3 beta,5Z,7E)-9,10-Secocholesta-5,7,10(19)-trien-3-ol,Calciol,Cholecalciferols,Vitamin D3
D003276 Contraceptives, Oral Compounds, usually hormonal, taken orally in order to block ovulation and prevent the occurrence of pregnancy. The hormones are generally estrogen or progesterone or both. Low-Dose Oral Contraceptive,Oral Contraceptive,Oral Contraceptives,Oral Contraceptives, Low-Dose,Oral Contraceptives, Phasic,Contraceptive, Low-Dose Oral,Contraceptive, Oral,Contraceptives, Low-Dose Oral,Contraceptives, Phasic Oral,Low Dose Oral Contraceptive,Low-Dose Oral Contraceptives,Oral Contraceptive, Low-Dose,Oral Contraceptives, Low Dose,Phasic Oral Contraceptives
D005260 Female Females
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000983 Antipyrine An analgesic and antipyretic that has been given by mouth and as ear drops. Antipyrine is often used in testing the effects of other drugs or diseases on drug-metabolizing enzymes in the liver. (From Martindale, The Extra Pharmacopoeia, 30th ed, p29) Phenazone,Anodynin,Pyramidone

Related Publications

D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine
February 1975, The Journal of laboratory and clinical medicine,
D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine
January 1977, British medical journal,
D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine
April 1974, The American journal of clinical nutrition,
D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine
November 1983, American journal of obstetrics and gynecology,
D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine
November 1989, American journal of obstetrics and gynecology,
D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine
November 2012, Clinical biochemistry,
D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine
May 1978, Obstetrics and gynecology,
D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine
May 2018, Clinical and translational science,
D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine
March 1980, Acta medica costarricense,
D E Carter, and R Bressler, and M R Hughes, and M R Haussler, and D Christian, and M W Heine
January 1971, Fertility and sterility,
Copied contents to your clipboard!