RonaldSwerdloffMD

Endocrinology • Torrance, CA

Diabetes, Lipid Metabolism

Harbor-UCLA Medical Center

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Office
1000 West Carson Street
Box 446
Torrance, CA 90509
Phone+1 310-222-1867

Fax+1 310-533-0627
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Education & Training

UCLA David Geffen School of Medicine/UCLA Medical CenterResidency, Internal Medicine, 1966 - 1967
University of WashingtonResidency, Internal Medicine, 1963 - 1964
University of Washington School of MedicineInternship, Transitional Year, 1962 - 1963
University of California San Francisco School of MedicineClass of 1962

Certifications & Licensure

CA State Medical License 1963 - 2026
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Endocrinology, Diabetes and Metabolism

Awards, Honors, & Recognition

America's Top Doctors Castle Connolly, 2002-2014
Top Doctors:LA Area Castle Connolly, 2013
Top Doctors:Southern California Castle Connolly, 2012
Whos Who in Medicine and Healthcare Marquis Whos Who
Super Doctor SuperDoctors.com
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Clinical Trials

Pharmacokinetic Study of Oral Testosterone (T) Ester Formulations in Hypogonadal Men Start of enrollment: 2008 Jun 01
Completed
Phase 2
Study to Determine the Effect of Food on the Absorption of an Oral Testosterone Undecanoate Formulation Start of enrollment: 2009 Jul 01
Completed
Phase 2
Efficacy and Safety of Pasireotide Administered Monthly in Patients With Cushing's Disease Start of enrollment: 2011 Nov 04
Completed
Phase 3
Phase 1 Study of Dimethandrolone Undecanoate in Healthy Men Start of enrollment: 2012 Mar 01
Completed
Phase 1
An Open-label, Multi-center, Expanded Access Study of Pasireotide s.c. in Patients With Cushing's Disease. Start of enrollment: 2011 Aug 16
Completed
Phase 3
Open-label, Follow-up Study of Oral Testosterone Undecanoate in Hypogonadal Men Start of enrollment: 2012 Aug 01
Completed
Phase 3
Safety and Efficacy Trial of Testosterone Undecanoate Start of enrollment: 2013 Jan 01
Completed
Phase 3
An Open-label, Multi-center, Expanded Treatment Protocol of Pasireotide LAR in Patients With Acromegaly
Approved for marketing
A Study of Oral Testosterone Undecanoate (TU) in Hypogonadal Men Start of enrollment: 2016 Mar 01
Completed
Phase 3
The Effect of Various Amounts of Fat on PK of Oral Testosterone Undecanoate Start of enrollment: 2016 Oct 01
Completed
Phase 2
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Publications & Presentations

PubMed

Practice and development of male contraception: European Academy of Andrology and American Society of Andrology guidelines.
Christina Wang, Maria Cristina Meriggiola, John K Amory, Christopher L R Barratt, Hermann M Behre, William J Bremner, Alberto Ferlin, Stanton Honig, Zsolt Kopa, Kirk L...> ;Andrology. 2023 Sep 20
The Effect of Testosterone Replacement Therapy on Nonalcoholic Fatty Liver Disease in Older Hypogonadal Men.
Hae Seung Lee, Ronald Swerdloff, Youngju Pak, Matthew Budoff, Christina Wang, Han, S.> ;The Journal of Clinical Endocrinology and Metabolism. 2024 Jan 18
1 citations
Male contraception development: monitoring effective spermatogenesis suppression utilizing a user-controlled sperm concentration test compared with standard semen anal...
Yanhe Lue, Ronald Swerdloff, Youngju Pak, Brian T Nguyen, Fiona Yuen, Peter Y Liu, Diana L Blithe, Christina Wang> ;Fertility and Sterility. 2023 Feb 1
2 citations
Two-Year Analysis of a New Oral Testosterone Undecanoate (TU) Formulation in Hypogonadal Men: Efficacy, Impact on Psychosexual Function, and Safety.
Stanton Honig, Marc Gittelman, Jed Kaminetsky, Christina Wang, John K Amory, Nestor Rohowsky, Robert E Dudley, B Woun Seo, Jay Newmark, Ronald Swerdloff> ;The Journal of Sexual Medicine. 2022 Dec 1
7 citations
Treatment of Cushing Disease With Pituitary-Targeting Seliciclib.
Ning-Ai Liu, Anat Ben-Shlomo, John D Carmichael, Christina Wang, Ronald S Swerdloff, Anthony P Heaney, Garni Barkhoudarian, Daniel Kelly, Mazen Noureddin, Lin Lu, Mani...> ;The Journal of Clinical Endocrinology and Metabolism. 2023 Feb 15
3 citations
Corifollitropin Alfa Combined With Human Chorionic Gonadotropin in Adolescent Boys With Hypogonadotropic Hypogonadism.
R Ravi Shankar, Suneri Shah, Hee-Koung Joeng, Geraldine Mendizabal, Julia R DiBello, Yanfen Guan, Barbara J Stegmann, Eberhard Nieschlag, Hermann M Behre, Ronald S Swe...> ;The Journal of Clinical Endocrinology and Metabolism. 2022 Jun 16
11 citations
Testosterone Replacement Therapy in Hypogonadal Men.
Christina Wang, Ronald S Swerdloff> ;Endocrinology and Metabolism Clinics of North America. 2022 Mar 1
3 citations
propagation of XXY human Klinefelter spermatogonial stem cells: A step towards new fertility opportunities.
Guillermo Galdon, Nicholas A Deebel, Nima Pourhabibi Zarandi, Darren Teramoto, YanHe Lue, Christina Wang, Ronald Swerdloff, Mark J Pettenati, William G Kearns, Stuart ...> ;Frontiers in Endocrinology. 2022 Jan 1
5 citations
In Vitro Propagation of XXY Undifferentiated Mouse Spermatogonia: Model for Fertility Preservation in Klinefelter Syndrome Patients.
Guillermo Galdon, Nicholas A Deebel, Nima Pourhabibi Zarandi, Mark J Pettenati, Stanley Kogan, Christina Wang, Ronald S Swerdloff, Anthony Atala, Yanhe Lue, Hooman Sad...> ;International Journal of Molecular Sciences. 2021 Dec 24
The emerging role of mitochondrial derived peptide humanin in the testis
Yanhe Lue, Ronald S. Swerdloff, Yue Jia, Christina Wang> ;Biochimica Et Biophysica Acta. General Subjects. 2021 Dec 1
6 citations
Acceptability of the oral hormonal male contraceptive prototype, 11β-methyl-19-nortestosterone dodecylcarbonate (11β-MNTDC), in a 28-day placebo-controlled trial.
Brian T. Nguyen, Fiona Yuen, Maritza T. Farrant, Arthi Thirumalai, Frances A Fernando, John K. Amory, Ronald S. Swerdloff, Bradley D. Anawalt, Diana L. Blithe, Jill Lo...> ;Contraception. 2021 Jun 18
2 citations
Comparison of metabolic effects of the progestational androgens dimethandrolone undecanoate and 11β-MNTDC in healthy men
Fiona Yuen, Arthi Thirumalai, Frances A Fernando, Ronald S. Swerdloff, Peter Liu, Youngju Pak, Laura Hull, Rachelle Bross, Diana L. Blithe, Jill Long, Stephanie T. Pag...> ;Andrology. 2021 Apr 28
3 citations
Relation between Retinopathy and Progression of Coronary Artery Calcium in Individuals with Versus Without Diabetes Mellitus (From the Multi-Ethnic Study of Atheroscle...
Bahram Khazai, Fatemeh Adabifirouzjaei, Mengye Guo, Eli Ipp, Ronald Klein, Barbara E.K. Klein, Mary Frances Cotch, Tien Yin Wong, Ronald S. Swerdloff, Christina Wang, ...> ;The American Journal of Cardiology. 2021 Apr 20
Extrahypothalamic ER Alpha Are Required for Testosterone Effects on Physical Activity and Fat Mass in Mice.
Christina Wang, Fiona Yuen, Ronald S. Swerdloff> ;Endocrinology. 2021 Jun 1
9 citations
Sensitivity and specificity of the macimorelin test for diagnosis of AGHD.
Jose M. Garcia, Beverly M. K. Biller, Márta Korbonits, Vera Popovic, Anton Luger, Christian J. Strasburger, Philippe Chanson, Ronald S. Swerdloff, Christina Wang, Rosa...> ;Endocrine Connections. 2021 Jan 1
4 citations
Dimethandrolone Undecanoate, a Novel, Nonaromatizable Androgen, Increases P1NP in Healthy Men Over 28 Days.
Arthi Thirumalai, Fiona Yuen, John K. Amory, Andrew N. Hoofnagle, Ronald S. Swerdloff, Peter Liu, Jill Long, Diana L. Blithe, Christina Wang, Stephanie T. Page> ;The Journal of Clinical Endocrinology and Metabolism. 2021 Jan 1
3 citations
The IL-27 component EBI-3 and its receptor subunit IL-27Rα are essential for the cytoprotective action of humanin on male germ cells†.
Yue Jia, Ronald S. Swerdloff, Yanhe Lue, Jenny Dai-Ju, Prasanth Surampudi, Pinchas Cohen, Christina Wang> ;Biology of Reproduction. 2021 Mar 11
6 citations
Reflections on the T Trials.
Ronald S. Swerdloff, Christina Wang> ;Andrology. 2020 Nov 1
3 citations
Memory in repeat sports-related concussive injury and single-impact traumatic brain injury
Matthew Wright, Martin M. Monti, Evan S. Lutkenhoff, David J. Hardy, Pavel Y. Litvin, Daniel F. Kelly, Kevin M. Guskiewicz, Robert C. Cantu, Paul M. Vespa, David A. Ho...> ;Brain Injury. 2020 Sep 29
40 citations
A New Oral Testosterone Undecanoate Formulation Restores Testosterone to Normal Concentrations in Hypogonadal Men
Ronald S. Swerdloff, Christina Wang, William B. White, Jed Kaminetsky, Marc Gittelman, James Longstreth, Robert E Dudley, Theodore Danoff> ;The Journal of Clinical Endocrinology and Metabolism. 2020 Aug 1
5 citations
Biomarkers and Noncalcified Coronary Artery Plaque Progression in Older Men Treated With Testosterone.
Kashif Shaikh, Susan S. Ellenberg, Rine Nakanishi, Peter J. Snyder, Juhwan Lee, Nanette K. Wenger, Cora E. Lewis, Ronald S. Swerdloff, Peter Preston, Sajad Hamal, Alis...> ;The Journal of Clinical Endocrinology and Metabolism. 2020 Jul 1
13 citations
A new oral testosterone undecanoate therapy comes of age for the treatment of hypogonadal men.
Ronald S. Swerdloff, Robert E Dudley> ;Therapeutic Advances in Urology. 2020 Jun 30
57 citations
The mitochondrial derived peptide humanin is a regulator of lifespan and healthspan.
Kelvin Yen, Hemal H. Mehta, Su-Jeong Kim, Yanhe Lue, James Hoang, Noel Guerrero, Jenna Port, Qiuli Bi, Gerardo Navarrete, Sebastian Brandhorst, Kaitlyn N. Lewis, Junxi...> ;Aging. 2020 Jun 23
12 citations
Acceptability of oral dimethandrolone undecanoate in a 28-day placebo-controlled trial of a hormonal male contraceptive prototype.
Brian T. Nguyen, Maritza T. Farrant, Bradley D. Anawalt, Fiona Yuen, Arthi Thirumalai, John K. Amory, Ronald S. Swerdloff, William J. Bremner, Peter Liu, Diana L. Blit...> ;Contraception. 2020 Apr 13
16 citations
Daily Oral Administration of the Novel Androgen 11β-MNTDC Markedly Suppresses Serum Gonadotropins in Healthy Men.
Fiona Yuen, Arthi Thirumalai, Cindy Pham, Ronald S. Swerdloff, Bradley D. Anawalt, Peter Liu, John K. Amory, William J. Bremner, Clint Dart, Hongsheng Wu, Laura Hull, ...> ;The Journal of Clinical Endocrinology and Metabolism. 2020 Mar 1
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Journal Articles

Safety and Pharmacokinetics of Single Dose Novel Oral Androgen 11β-Methyl-19-Nortestosterone-17β-Dodecylcarbonate in Mena
Arthi Thirumalai, Feng Bai, Stephanie T Page, Ronald S Swerdloff, Fiona Yuen, John K Amory, Bradley D Anawalt, William J Bremner, The Journal of Clinical Endocrinology and Metabolism
Effects of 28 Days of Oral Dimethandrolone Undecanoate in Healthy Men: A Prototype Male Pill
William J Bremner, Arthi Thirumalai, Ronald Swerdloff, Vijaya Surampudi, Stephanie T Page, John K Amory, The Journal of Clinical Endocrinology and Metabolism
Large Divergence in Testosterone Concentrations Between Men and Women: Frame of Reference for Elite Athletes in Sex‐Specific Competition in Sports, a Narrative Review
Alvin M Matsumoto, Ronald S Swerdloff, Clinical Endocrinology

Other

Macimorelin as a Diagnostic Test for Adult Growth Hormone Deficiency
Ronald Swerdloff, MD, The Journal of Clinical Endocrinology and Metabolism
https://www.doximity.com/articles/86f33bb3-0dfd-4b1c-b943-8c7762ef4d11
UpToDate, Wolters Kluwer Health - 2012-11-02

Press Mentions

Daily Male ‘Contraceptive Pill’ Found to Be Effective at Stopping Unwanted PregnanciesMarch 5th, 2021
Scientists Discover New Compound for Male Contraceptive PillMarch 3rd, 2021
FDA Approves Clarus’ Jatenzo as Testosterone Replacement TherapyMarch 28th, 2019
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