Search Results - "Stanczyk, FZ"

Interaction of St. John's Wort with oral contraceptives: effects on the pharmacokinetics of norethindrone and ethinyl estradiol, ovarian activity and breakthrough bleeding by Murphy, Patricia A., Kern, Steven E., Stanczyk, Frank Z., Westhoff, Carolyn L.

“…This study evaluated the effect of the herbal remedy St. John's Wort on oral contraceptive (OC) therapy with respect to the pharmacokinetics of norethindrone…”
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Effect of oral versus transdermal steroidal contraceptives on androgenic markers by White, Terry, Jain, John K., Stanczyk, Frank Z.

“…The purpose of this study was to compare biochemical androgen profiles in women treated with the contraceptive patch versus an oral contraceptive (OC)…”
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Effect of low-dose oral contraceptives on androgenic markers and acne by Thorneycroft, Ian H, Stanczyk, Frank Z, Bradshaw, Karen D, Ballagh, Susan A, Nichols, Mark, Weber, Margaret E

“…Oral contraceptives (OC) suppress excess androgen production; however, different progestins in combination with low-dose estrogens produce divergent effects on…”
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Comparison of vaginal and oral administration of emergency contraception by Mor, Eliran, Saadat, Peyman, Kives, Sari, White, Emily, Reid, Robert L, Paulson, Richard J, Stanczyk, Frank Z

“…To compare the physiologic effects of vaginally and orally administered emergency contraception. Prospective, open-label, crossover study. University research…”
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Bioavailability of the Yuzpe and levonorgestrel regimens of emergency contraception: vaginal vs. oral administration by Kives, Sari, Hahn, Philip M., White, Emily, Stanczyk, Frank Z., Reid, Robert L.

“…Separate crossover studies compared the bioavailability of oral vs. vaginal routes of administration for the Yuzpe ( n=5) and levonorgestrel regimens ( n=4) of…”
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Pharmacokinetics of dehydroepiandrosterone and its metabolites after long-term daily oral administration to healthy young men by Acacio, Brian D, Stanczyk, Frank Z, Mullin, Patrick, Saadat, Payam, Jafarian, Neda, Sokol, Rebecca Z

“…To determine the effects of dehydroepiandrosterone (DHEA) supplementation on the pharmacokinetics of DHEA and its metabolites and the reproductive axis of…”
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Pharmacokinetics of progesterone administered by the oral and parenteral routes by Stanczyk, F Z

“…Progestogens, which include the natural hormone, progesterone, and synthetic steroid derivatives, are used to treat a variety of reproductive disorders. Since…”
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The association of serum androsterone glucuronide with inflammatory lesions in women with adult acne by CARMINA, E, GODWIN, A. J, STANCZYK, F. Z, LIPPMAN, J. S, LOBO, R. A

“…Serum androsterone glucuronide (AoG) is a metabolite of circulating androgens under the influence of 5alpha-reductase activity and has been shown to be…”
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All progestins are not created equal by Stanczyk, Frank Z

“…A variety of progestins are available for therapeutic use. It is convenient to classify them into those related in chemical structure to progesterone or…”
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Progesterone from ovulatory menstrual cycles is an important cause of breast cancer by Coelingh Bennink, Herjan J T, Schultz, Iman J, Schmidt, Marcus, Jordan, V Craig, Briggs, Paula, Egberts, Jan F M, Gemzell-Danielsson, Kristina, Kiesel, Ludwig, Kluivers, Kirsten, Krijgh, Jan, Simoncini, Tommaso, Stanczyk, Frank Z, Langer, Robert D

“…Many factors, including reproductive hormones, have been linked to a woman's risk of developing breast cancer (BC). We reviewed the literature regarding the…”
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Metabolism of levonorgestrel, norethindrone, and structurally related contraceptive steroids by Stanczyk, F Z, Roy, S

“…There is limited information on the metabolism of levonorgestrel, norethindrone and structurally related contraceptive steroids. Both levonorgestrel and…”
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Pharmacokinetics of the new progestogens and influence of gestodene and desogestrel on ethinylestradiol metabolism by Stanczyk, Frank Z.

“…The purpose of the present report is to summarize the most important pharmacokinetic features of the new progestogens. In addition, the question of whether or…”
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Age-related testosterone depletion and the development of Alzheimer disease by Rosario, Emily R, Chang, Lilly, Stanczyk, Frank Z, Pike, Christian J

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Pharmacokinetics of a combined oral contraceptive in obese and normal-weight women by Westhoff, Carolyn L, Torgal, Anupama H, Mayeda, Elizabeth R, Pike, Malcolm C, Stanczyk, Frank Z

“…Abstract Background This study was conducted to compare oral contraceptive (OC) pharmacokinetics (PK) in normal-weight [body mass index (BMI) 19.0–24.9] and…”
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Body Mass Index, Serum Sex Hormones, and Breast Cancer Risk in Postmenopausal Women by Key, T J, Appleby, P N, Reeves, G K, Roddam, A, Dorgan, J F, Longcope, C, Stanczyk, F Z, Stephenson, Jr, H E, Falk, R T, Miller, R, Schatzkin, A, Allen, D S, Fentiman, I S, Key, T J, Wang, D Y, Dowsett, M, Thomas, H V, Hankinson, S E, Toniolo, P, Akhmedkhanov, A, Koenig, K, Shore, R E, Zeleniuch-Jacquotte, A, Berrino, F, Muti, P, Micheli, A, Krogh, V, Sieri, S, Pala, V, Venturelli, E, Secreto, G, Barrett-Connor, E, Laughlin, G A, Kabuto, M, Akiba, S, Stevens, R G, Neriishi, K, Land, C E, Cauley, J A, Kuller, L H, Cummings, S R, Helzlsouer, K J, Alberg, A J, Bush, T L, Comstock, G W, Gordon, G B, Miller, S R

“…Background: Obesity is associated with increased breast cancer risk among postmenopausal women. We examined whether this association could be explained by the…”
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Endogenous Sex Hormones and Breast Cancer in Postmenopausal Women: Reanalysis of Nine Prospective Studies by Key, T, Appleby, P, Barnes, I, Reeves, G

“…Background: Reproductive and hormonal factors are involved in the etiology of breast cancer, but there are only a few prospective studies on endogenous sex…”
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Phase I Study of STX 64 (667 Coumate) in Breast Cancer Patients: The First Study of a Steroid Sulfatase Inhibitor by STANWAY, Susannah J, PUROHIT, Atul, ELLIOTT, Moira, POTTER, Barry V. L, REED, Michael J, COOMBES, R. Charles, WOO, L. W. Lawrence, SUFI, Saulat, VIGUSHIN, David, WARD, Rebecca, WILSON, Richard H, STANCZYK, Frank Z, DOBBS, Nicola, KULINSKAYA, Elena

“…Purpose: Inhibition of steroid sulfatase (STS), the enzyme responsible for the hydrolysis of steroid sulfates, represents a potential novel treatment for…”
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Effectiveness of levonorgestrel emergency contraception given before or after ovulation — a pilot study by Novikova, Natalia, Weisberg, Edith, Stanczyk, Frank Z, Croxatto, Horacio B, Fraser, Ian S

“…Abstract Background Although widely used, the mechanisms of action of the levonorgestrel emergency contraceptive pill (LNG ECP) are still unclear. There are…”
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Effect of exercise on serum estrogens in postmenopausal women: A 12-month randomized clinical trial by MCTIERNAN, Anne, TWOROGER, Shelley S, POTTER, John D, SCHWARTZ, Robert S, ULRICH, Cornelia M, YASUI, Yutaka, IRWIN, Melinda L, RAJAN, Kumar B, SORENSEN, Bess, RUDOLPH, Rebecca E, BOWEN, Deborah, STANCZYK, Frank Z

“…Elevated circulating estrogens and a sedentary lifestyle increase risk for breast cancer. The effect of exercise on circulating estrogens in sedentary…”
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Oral contraceptives and individual variability of circulating levels of ethinyl estradiol and progestins by Goldzieher, Joseph W, Stanczyk, Frank Z

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