KhaledMZeitounMD

Obstetrics & Gynecology • New York, NY

Reproductive Endocrinology & Infertility

Assistant Professor, Obstetrics & Gynecology, Columbia University College of Phys & Surg

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Office
137 E 36th St
New York, NY 10016
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Education & Training

St John's Episcopal Hospital-South ShoreResidency, Internal Medicine, 1993 - 1993
Westchester Medical CenterResidency, Obstetrics and Gynecology, 1990 - 1991
University of Alexandria Faculty of MedicineClass of 1981
New York Presbyterian Hospital (Columbia Campus)Fellowship, Reproductive Endocrinology and Infertility

Certifications & Licensure

TX State Medical License 1996 - 2025
NY State Medical License 1995 - 2024
American Board of Obstetrics and Gynecology Obstetrics & Gynecology
American Board of Obstetrics and Gynecology Reproductive Endocrinology/Infertility

Awards, Honors, & Recognition

Fellow (FACOG) American Congress of Obstetricians and Gynecologists
Most Compassionate Doctor American Registry

Publications & Presentations

PubMed

15 citations
GnRH antagonist in older IVF patients. Retrieval rates and clinical outcome.
Peter L. Chang, Zeitoun Km, Chan Lk, Thornton Mh nd, Sauer Mv> ;The Journal of Reproductive Medicine. 2002 Apr 1
74 citations
Supraphysiological estradiol levels do not affect oocyte and embryo quality in oocyte donation cycles
Joseph E. Peña, Peter L. Chang, Lai King Chan, Khaled M. Zeitoun, Melvin H. Thornton, Mark V. Sauer> ;Human Reproduction. 2002 Jan 1
143 citations
Tumor necrosis factor alpha and interleukin 11 secreted by malignant breast epithelial cells inhibit adipocyte differentiation by selectively down-regulating CCAAT/enh...
Li Meng, Jianfeng Zhou, Hironobu Sasano, Takashi Suzuki, Khaled M. Zeitoun, Serdar E. Bulun> ;Cancer Research. 2001 Mar 3
71 citations
Molecular basis for treating endometriosis with aromatase inhibitors
Serdar E. Bulun, Khaled M. Zeitoun, Kazuto Takayama, Hironobu Sasano> ;Human Reproduction Update. 2000 Sep 1
346 citations
Progesterone Receptor Isoform A But Not B Is Expressed in Endometriosis
George R. Attia, Khaled M. Zeitoun, Dean P. Edwards, Alan Johns, Bruce R. Carr, Serdar E. Bulun> ;The Journal of Clinical Endocrinology and Metabolism. 2000 Aug 1
47 citations
Expression of dioxin-related transactivating factors and target genes in human eutopic endometrial and endometriotic tissues
Serdar E. Bulun, Khaled M. Zeitoun, Gokhan S. Kilic> ;American Journal of Obstetrics and Gynecology. 2000 Apr 1
38 citations
Aromatase as a Therapeutic Target in Endometriosis
Serdar E. Bulun, Khaled M. Zeitoun, Kazuto Takayama, Evan R. Simpson, Hironobu Sasano> ;Trends in Endocrinology and Metabolism. 2000 Feb 1
158 citations
Aromatase: a key molecule in the pathophysiology of endometriosis and a therapeutic target.
Khaled M. Zeitoun, Serdar E. Bulun> ;Fertility and Sterility. 1999 Dec 1
66 citations
Aromatase in Aging Women
Serdar E. Bulun, Khaled M. Zeitoun, Hironobu Sasano, Evan R. Simpson> ;Seminars in Reproductive Endocrinology. 1999 Jan 1
58 citations
Use of Crinone vaginal progesterone gel for luteal support in in vitro fertilization cycles.
Samuel J. Chantilis, Khaled M. Zeitoun, Snehal I Patel, D. Alan Johns, Valerie A Madziar, Donald D. McIntire> ;Fertility and Sterility. 1999 Nov 1
89 citations
Estrogen production in endometriosis and use of aromatase inhibitors to treat endometriosis.
Serdar E. Bulun, Khaled M. Zeitoun, Kazuto Takayama, Luis S. Noble, D Michael, Evan R. Simpson, Alan Johns, Michael Putman, Hironobu Sasano> ;Endocrine-Related Cancer. 1999 Jun 1
7 citations
Is There an Increased Risk of Stroke Associated with Oral Contraceptives
Khaled M. Zeitoun, Bruce R. Carr> ;Drug Safety. 1999 Jun 1
176 citations
Stimulation of Aromatase P450 Promoter (II) Activity in Endometriosis and Its Inhibition in Endometrium Are Regulated by Competitive Binding of Steroidogenic Factor-1 ...
Khaled M. Zeitoun, Kazuto Takayama, M. Dod Michael, Serdar E. Bulun> ;Molecular Endocrinology. 1999 Feb 1
2 citations
Medical versus surgical treatment of endometriosis? [2] (multiple letters)
Dan C. Martin, Kazuto Takayama, Khaled M. Zeitoun, Bruce R. Carr, Serdar E. Bulun, R. Gunby, Hironobu Sasano> ;Fertility and Sterility. 1998 Dec 1
240 citations
Deficient 17β-Hydroxysteroid Dehydrogenase Type 2 Expression in Endometriosis: Failure to Metabolize 17β-Estradiol
Khaled M. Zeitoun, Kazuto Takayama, Hironobu Sasano, Takashi Suzuki, Nabil Moghrabi, Stefan Andersson, Alan Johns, Li Meng, Michael Putman, Bruce R. Carr, Serdar E. Bulun> ;The Journal of Clinical Endocrinology and Metabolism. 1998 Dec 1
173 citations
Treatment of severe postmenopausal endometriosis with an aromatase inhibitor
Kazuto Takayama, Khaled M. Zeitoun, Robert T. Gunby, Hironobu Sasano, Bruce R. Carr, Serdar E. Bulun> ;Fertility and Sterility. 1998 Apr 1
327 citations
Prostaglandin E2 stimulates aromatase expression in endometriosis-derived stromal cells.
Luis S. Noble, Kazuto Takayama, Khaled M. Zeitoun, J. Michael Putman, D. Alan Johns, Margaret M. Hinshelwood, Veena R. Agarwal, Ying Zhao, Bruce R. Carr, Serdar E. Bulun> ;The Journal of Clinical Endocrinology and Metabolism. 1997 Feb 1
Estrogen biosynthesis in endometriosis: molecular basis and clinical relevance.
Bulun, S. E., Zeitoun, K. M., Takayama, K., Sasano, H.> ;J Mol Endocrinol. 2000 Aug
The role of color Doppler in diagnosis of endometriomas.
Aleem, F., Pennisi, J., Zeitoun, K., Predanic, M.> ;Ultrasound Obstet Gynecol. 1995 Jan
The characterization of flow signals from tubal and ovarian arteries using intraoperative continuous wave Doppler.
Aleem, F., Zeitoun, K., Calame, R., Trinca, D., Zalud, I., Schulman, H.> ;Ultrasound Obstet Gynecol. 1994 Jul 1
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