Works by Ron Newfield

Results: 39

Experience with gender affirming hormones and puberty blockers (gonadotropin releasing hormone agonist): a qualitative analysis of sexual function Open Access.

Published in:

Journal of Sexual Medicine, 2025, v. 22, n. 5, p. 945, doi. 10.1093/jsxmed/qdaf061

By:

Finegan, Jamie L;
Marinkovic, Maja;
Okamuro, Kyle;
Newfield, Ron S;
Anger, Jennifer T

Publication type:

Article

A randomized clinical trial of the efficacy and safety of sitagliptin as initial oral therapy in youth with type 2 diabetes.

Published in:

Pediatric Diabetes, 2022, v. 23, n. 2, p. 173, doi. 10.1111/pedi.13279

By:

Shankar, R. Ravi;
Zeitler, Philip;
Deeb, Asma;
Jalaludin, Muhammad Yazid;
Garcia, Raymundo;
Newfield, Ron S.;
Samoilova, Yulia;
Rosario, Carmen A.;
Shehadeh, Naim;
Saha, Chandan K.;
Yilong Zhang;
Zilli, Martina;
Scherer, Lynn W.;
Lam, Raymond L. H.;
Golm, Gregory T.;
Engel, Samuel S.;
Kaufman, Keith D.

Publication type:

Article

Efficacy and safety of the addition of sitagliptin to treatment of youth with type 2 diabetes and inadequate glycemic control on metformin without or with insulin.

Published in:

Pediatric Diabetes, 2022, v. 23, n. 2, p. 183, doi. 10.1111/pedi.13282

By:

Jalaludin, Muhammad Yazid;
Deeb, Asma;
Zeitler, Philip;
Garcia, Raymundo;
Newfield, Ron S.;
Samoilova, Yulia;
Rosario, Carmen A.;
Shehadeh, Naim;
Saha, Chandan K.;
Yilong Zhang;
Zilli, Martina;
Scherer, Lynn W.;
Lam, Raymond L. H.;
Golm, Gregory T.;
Engel, Samuel S.;
Kaufman, Keith D.;
Shankar, R. Ravi

Publication type:

Article

Non‐alcoholic fatty liver disease in pediatric type 2 diabetes: Metabolic and histologic characteristics in 38 subjects.

Published in:

Pediatric Diabetes, 2019, v. 20, n. 1, p. 41, doi. 10.1111/pedi.12798

By:

Newfield, Ron S.;
Graves, Carrie L.;
Newbury, Robert O.;
Schwimmer, Jeffrey B.;
Proudfoot, James A.;
Say, Daphne S.;
Feldstein, Ariel E.

Publication type:

Article

Low vitamin D level in pediatric patients with new onset type 1 diabetes is common, especially if in ketoacidosis.

Published in:

Pediatric Diabetes, 2016, v. 17, n. 8, p. 592, doi. 10.1111/pedi.12342

By:

Al‐Zubeidi, Hiba;
Leon‐Chi, Lucero;
Newfield, Ron S

Publication type:

Article

Rapid weight gain in children soon after diagnosis of type 1 diabetes: is there room for concern?

Published in:

Pediatric Diabetes, 2009, v. 10, n. 5, p. 310, doi. 10.1111/j.1399-5448.2008.00475.x

By:

Newfield, Ron S.;
Cohen, Daniela;
Capparelli, Edmund V.;
Shragg, Paul

Publication type:

Article

Dyslipidemia in children with type 2 diabetes vs. obesity.

Published in:

Pediatric Diabetes, 2008, v. 9, n. 2, p. 115, doi. 10.1111/j.1399-5448.2007.00345.x

By:

Newfield, Ron S.;
Dewan, Asheesh K.;
Jain, Sonia

Publication type:

Article

Mutational Analysis in Pediatric Thyroid Cancer and Correlations with Age, Ethnicity, and Clinical Presentation.

Published in:

Thyroid, 2016, v. 26, n. 2, p. 227, doi. 10.1089/thy.2015.0401

By:

Nikita, Maria Eleni;
Jiang, Wen;
Cheng, Shih-Min;
Hantash, Feras M.;
McPhaul, Michael J.;
Newbury, Robert O.;
Phillips, Susan A.;
Reitz, Richard E.;
Waldman, Frederic M.;
Newfield, Ron S.

Publication type:

Article

Autoimmune Thyroiditis and Acquired Hypothyroidism in an Infant with Severe Combined Immunodeficiency Due to Adenosine Deaminase Deficiency.

Published in:

Thyroid, 2007, v. 17, n. 6, p. 585, doi. 10.1089/thy.2006.0238

By:

Pablito Nagpala;
Ron Newfield;
John Bastian;
Michael Gottschalk

Publication type:

Article

Diagnostic utility of fine needle aspiration cytology in pediatric thyroid nodules based on Bethesda Classification.

Published in:

Journal of Pediatric Endocrinology & Metabolism, 2021, v. 34, n. 4, p. 449, doi. 10.1515/jpem-2020-0645

By:

Jiang, Wen;
Phillips, Susan A.;
Newbury, Robert O.;
Naheedy, John H.;
Newfield, Ron S.

Publication type:

Article

Bone maturation along the spectrum from normal weight to obesity: a complex interplay of sex, growth factors and weight gain.

Published in:

Journal of Pediatric Endocrinology & Metabolism, 2016, v. 29, n. 3, p. 311, doi. 10.1515/jpem-2015-0234

By:

Klein, Karen Oerter;
Newfield, Ron S.;
Hassink, Sandra G.

Publication type:

Article

Self-limiting hematuria following growth hormone provocative testing with arginine hydrochloride.

Published in:

Journal of Pediatric Endocrinology & Metabolism, 2012, v. 25, n. 7/8, p. 791, doi. 10.1515/jpem-2012-0160

By:

Marinkovic, Maja;
Newfield, Ron S.

Publication type:

Article

Autosomal Dominant Hypoparathyroidism with Severe Hypomagnesemia and Hypocalcemia, Successfully Treated with Recombinant PTH and Continuous Subcutaneous Magnesium Infusion.

Published in:

Journal of Pediatric Endocrinology & Metabolism, 2008, v. 21, n. 4, p. 385, doi. 10.1515/jpem.2008.21.4.385

By:

Sanda, Srinath;
Schlingmann, Karl P.;
Newfield, Ron S.

Publication type:

Article

Height Distribution in Children With Tourette Syndrome.

Published in:

Journal of Child Neurology, 2002, v. 17, n. 3, p. 200, doi. 10.1177/088307380201700309

By:

Zelnik, Nathanel;
Newfield, Ron S.;
Silman-Stolar, Zmira;
Goikhman, Igor

Publication type:

Article

Extended Use of Histrelin Implant in Pediatric Patients.

Published in:

Transgender Health, 2023, v. 8, n. 3, p. 264, doi. 10.1089/trgh.2021.0130

By:

Pine-Twaddell, Elyse;
Newfield, Ron S.;
Marinkovic, Maja

Publication type:

Article

Subcutaneous Testosterone Is Effective and Safe as Gender-Affirming Hormone Therapy in Transmasculine and Gender-Diverse Adolescents and Young Adults: A Single Center's 8-Year Experience.

Published in:

Transgender Health, 2021, v. 6, n. 6, p. 343, doi. 10.1089/trgh.2020.0103

By:

Laurenzano, Sarah E.;
Newfield, Ron S.;
Lee, Euyhyun;
Marinkovic, Maja

Publication type:

Article

Crinecerfont, a CRF<sub>1</sub> Receptor Antagonist, Lowers Adrenal Androgens in Adolescents With Congenital Adrenal Hyperplasia.

Published in:

Journal of Clinical Endocrinology & Metabolism, 2023, v. 108, n. 11, p. 2871, doi. 10.1210/clinem/dgad270

By:

Newfield, Ron S.;
Sarafoglou, Kyriakie;
Fechner, Patricia Y.;
Nokoff, Natalie J.;
Auchus, Richard J.;
Vogiatzi, Maria G.;
Jeha, George S.;
Giri, Nagdeep;
Roberts, Eiry;
Sturgeon, Julia;
Chan, Jean L.;
Farber, Robert H.

Publication type:

Article

Tildacerfont in Adults With Classic Congenital Adrenal Hyperplasia: Results from Two Phase 2 Studies.

Published in:

2021

By:

Sarafoglou, Kyriakie;
Barnes, Chris N.;
Huang, Michael;
Imel, Erik A.;
Madu, Ivy-Joan;
Merke, Deborah P.;
Moriarty, David;
Nakhle, Samer;
Newfield, Ron S.;
Vogiatzi, Maria G.;
Auchus, Richard J.

Publication type:

journal article

Eikenella corrodens Infections.

Published in:

Diabetes Care, 1996, v. 19, n. 9, p. 1011, doi. 10.2337/diacare.19.9.1011

By:

Newfield, Ron S.;
Vargas, Ileana;
Huma, Zilla

Publication type:

Article

Undescended retropharyngeal parathyroid adenoma with adjacent thymic tissue in a 13-year-old boy with primary hyperparathyroidism.

Published in:

Oxford Medical Case Reports, 2019, v. 2019, n. 12, p. 519, doi. 10.1093/omcr/omz129

By:

Kordahi, Anthony M;
Newfield, Ron S;
Bickler, Stephen W;
Mo, Jun Q;
Khanna, Paritosh C;
Bykowski, Julie;
Bouvet, Michael

Publication type:

Article

911-P: New-Onset Diabetes and Cerebellar Ataxia in a Child: What Does GAD-65 Have to Do with It?

Published in:

Diabetes, 2021, v. 70, p. N.PAG, doi. 10.2337/db21-911-P

By:

CHAN, KAREN;
SWEAT, MARIE;
ZIMBRIC, MICHAEL R.;
NEWFIELD, RON S.

Publication type:

Article

897-P: Demographic and Glycemic Parameters in Global Populations of Younger vs. Older Youth with T2D Randomized in Clinical Trials of Sitagliptin.

Published in:

Diabetes, 2021, v. 70, p. N.PAG, doi. 10.2337/db21-897-P

By:

NEWFIELD, RON S.;
DEEB, ASMA;
JALALUDIN, MUHAMMAD Y.;
GARCIA, RAYMUNDO;
SAMOILOVA, YULIA;
ROSARIO, CARMEN A.;
SHEHADEH, NAIM;
SAHA, CHANDAN K.;
ZHANG, YILONG;
XU, ZHI JIN;
SCHERER, LYNN W.;
ENGEL, SAMUEL S.;
KAUFMAN, KEITH D.;
ZEITLER, PHILIP;
SHANKAR, R. RAVI

Publication type:

Article

896-P: Demographic and Glycemic Parameters across Global Regions in Youth with T2D in Clinical Trials of Sitagliptin.

Published in:

Diabetes, 2021, v. 70, p. N.PAG, doi. 10.2337/db21-896-P

By:

JALALUDIN, MUHAMMAD Y.;
DEEB, ASMA;
ZEITLER, PHILIP;
GARCIA, RAYMUNDO;
NEWFIELD, RON S.;
SAMOILOVA, YULIA;
ROSARIO, CARMEN A.;
SHEHADEH, NAIM;
SAHA, CHANDAN K.;
ZHANG, YILONG;
XU, ZHI JIN;
SCHERER, LYNN W.;
ENGEL, SAMUEL S.;
KAUFMAN, KEITH D.;
SHANKAR, R. RAVI

Publication type:

Article

1153-P: Changes Observed during the Screening Period in Patients Enrolled in the Sitagliptin Clinical Study MK-0431-P083.

Published in:

Diabetes, 2019, v. 68, p. N.PAG, doi. 10.2337/db19-1153-P

By:

ROSARIO, CARMEN A.;
JALALUDIN, MUHAMMAD Y.;
GARCIA, RAYMUNDO;
NEWFIELD, RON S.;
SAMOILOVA, YULIA;
SHEHADEH, NAIM;
PONG, ANNPEY;
ZILLI, MARTINA;
SAHA, CHANDAN K.;
ENGEL, SAMUEL S.;
ZEITLER, PHILIP;
KAUFMAN, KEITH D.;
SHANKAR, R. RAVI

Publication type:

Article

2335-PUB: Clinical Trial of the Use of Sitagliptin in Pediatric Patients with T2D: Baseline Characteristics.

Published in:

Diabetes, 2019, v. 68, p. N.PAG, doi. 10.2337/db19-2335-PUB

By:

JALALUDIN, MUHAMMAD Y.;
GARCIA, RAYMUNDO;
NEWFIELD, RON S.;
ROSARIO, CARMEN A.;
SAMOILOVA, YULIA;
SHEHADEH, NAIM;
ZHANG, YILONG;
SCHERER, LYNN W.;
SAHA, CHANDAN K.;
ENGEL, SAMUEL S.;
ZEITLER, PHILIP;
KAUFMAN, KEITH D.;
SHANKAR, R. RAVI

Publication type:

Article

2334-PUB: Evolution of the Designs of the Sitagliptin (SITA) Pediatric Clinical Studies.

Published in:

Diabetes, 2019, v. 68, p. N.PAG, doi. 10.2337/db19-2334-PUB

By:

SHANKAR, R. RAVI;
POZHARSKAYA, VERONIKA P.;
LEIGHT, KELLIE;
NEWFIELD, RON S.;
DEEB, ASMA;
GARCIA, RAYMUNDO;
ROSARIO, CARMEN A.;
SAHA, CHANDAN K.;
SHEHADEH, NAIM;
SAMOILOVA, YULIA;
ENGEL, SAMUEL S.;
JALALUDIN, MUHAMMAD Y.;
ZEITLER, PHILIP;
KAUFMAN, KEITH D.

Publication type:

Article

Evaluation of the American-English Quality of Life in Short Stature Youth (QoLISSY) questionnaire in the United States.

Published in:

Health & Quality of Life Outcomes, 2015, v. 13, n. 1, p. 1, doi. 10.1186/s12955-015-0236-2

By:

Bullinger, Monika;
Sommer, Rachel;
Pleil, Andreas;
Mauras, Nelly;
Ross, Judith;
Newfield, Ron;
Silverman, Lawrence;
Rohenkohl, Anja;
Fox, Janet;
Quitmann, Julia

Publication type:

Article

Sociodemographic and clinical characteristics associated with vitamin D status in newly diagnosed pediatric cancer patients.

Published in:

Pediatric Hematology & Oncology, 2020, v. 37, n. 4, p. 314, doi. 10.1080/08880018.2020.1721629

By:

Aristizabal, Paula;
Sherer, Michael;
Perdomo, Bianca P.;
Castelao, Esteban;
Thornburg, Courtney D.;
Proudfoot, James;
Jacobs, Elizabeth;
Newfield, Ron S.;
Zage, Peter;
Roberts, William;
Martinez, Maria Elena

Publication type:

Article

21-Hydroxylase Deficiency.

Published in:

Annals of the New York Academy of Sciences, 1997, v. 816, n. 1, p. 219, doi. 10.1111/j.1749-6632.1997.tb52145.x

By:

NEWFIELD, RON S.;
NEW, MARIA I.

Publication type:

Article

Diagnosis and treatment of a boy with IPEX syndrome presenting with diabetes in early infancy.

Published in:

Clinical Case Reports, 2019, v. 7, n. 11, p. 2123, doi. 10.1002/ccr3.2438

By:

Kadakia, Sejal;
Farnaes, Lauge;
Dimmock, David;
Chowdhury, Shimul;
Ding, Yan;
Anderson, Eric J.;
Kingsmore, Stephen;
Newfield, Ron S.

Publication type:

Article

Long-term mifepristone (RU486) therapy resulting in massive benign endometrial hyperplasia.

Published in:

Clinical Endocrinology, 2001, v. 54, n. 3, p. 399, doi. 10.1046/j.1365-2265.2001.01026.x

By:

Newfield, Ron S.;
Spitz, Irving M.;
Isacson, Christina;
New, Maria I.

Publication type:

Article

Pediatric thyroid surgery and management of thyroid nodules – an institutional experience over a 10-year period.

Published in:

International Journal of Pediatric Endocrinology, 2016, v. 2016, p. 1, doi. 10.1186/s13633-015-0019-x

By:

Wen Jiang;
Newbury, Robert O.;
Newfield, Ron S.

Publication type:

Article

Tyrosinemia I, a model for human diseases mediated by 2-oxoacid-utilizing dioxygenases: hepatotoxin suppression by NTBC does not normalize hepatic collagen metabolism.

Published in:

2002

By:

Hanauske-Abel, Hartmut M.;
Popowicz, Anthony;
Remotti, Helen;
Newfield, Ron S.;
Levy, Joseph

Publication type:

journal article

A 4-Year, Open-Label, Multicenter, Randomized Trial of Genotropin® Growth Hormone in Patients with Idiopathic Short Stature: Analysis of 4-Year Data Comparing Efficacy, Efficiency, and Safety between an Individualized, Target-Driven Regimen and Standard Dosing

Published in:

Hormone Research in Paediatrics, 2015, v. 84, n. 2, p. 79, doi. 10.1159/000381642

By:

Counts, Debra R.;
Silverman, Lawrence a.;
Rajicic, Natasa;
Geffner, Mitchell E.;
Newfield, Ron S.;
Thornton, Paul;
Carakushansky, Mauri;
Escobar, Oscar;
Rapaport, Robert;
Levitsky, Lynne;
Rotenstein, Deborah;
Hey-Hadavi, Judith;
Wajnrajch, Michael P.

Publication type:

Article

Improving vitamin D testing and supplementation in children with newly diagnosed cancer: A quality improvement initiative at Rady Children's Hospital San Diego.

Published in:

Pediatric Blood & Cancer, 2021, v. 68, n. 11, p. 1, doi. 10.1002/pbc.29217

By:

Shliakhtsitsava, Ksenya;
Fisher, Erin Stucky;
Trovillion, Erin M.;
Bush, Kelly;
Kuo, Dennis John;
Newfield, Ron S.;
Thornburg, Courtney D.;
Roberts, William;
Aristizabal, Paula

Publication type:

Article

Codon Arg15 Mutations of the AP2S1 Gene: Common Occurrence in Familial Hypocalciuric Hypercalcemia Cases Negative for Calcium-Sensing Receptor (CASR) Mutations.

Published in:

2014

By:

Hendy, Geoffrey N;
Canaff, Lucie;
Newfield, Ron S;
Tripto-Shkolnik, Liana;
Wong, Betty Y L;
Lee, Bonnie S P;
Cole, David E C

Publication type:

Journal Article

Normocortisolemic Cushing’s Syndrome Initially Presenting with Increased Glucocorticoid Receptor Numbers.

Published in:

Journal of Clinical Endocrinology & Metabolism, 2000, v. 85, n. 1, p. 14, doi. 10.1210/jcem.85.1.6220

By:

NEWFIELD, RON S.;
KALAITZOGLOU, GEORGE;
LICHOLAI, TERESA;
CHILTON, DAVID;
ASHRAF, JAVED;
THOMPSON, E. BRAD;
NEW, MARIA I.

Publication type:

Article

Prenatal Diagnosis and Treatment of 11β-Hydroxylase Deficiency Congenital Adrenal Hyperplasia Resulting in Normal Female Genitalia.

Published in:

Journal of Clinical Endocrinology & Metabolism, 1999, v. 84, n. 9, p. 3129, doi. 10.1210/jcem.84.9.5976

By:

Cerame, Barbara I.;
Newfield, Ron S.;
Pascoe, Leigh;
Curnow, Kathleen M.;
Nimkarn, Saroj;
Roe, Thomas F.;
New, Maria I.;
Wilson, Robert C.

Publication type:

Article

Rapid Weight Gain After Diagnosis of Type 1 Diabetes in Children: Room for Concern?

Published in:

Diabetes, 2007, v. 56, p. A482

By:

Cohen, Daniela;
Newfield, Ron S.

Publication type:

Article