Keck School Faculty

Mitchell E. Geffner, MD
Mitchell E. Geffner, MD
Professor of Pediatrics;Division Chief - Endocrinology
Pediatrics
CHL Mail Stop 61 Off Campus Los Angeles

Cardiometabolic health in Turner syndrome Am J Med Genet C Semin Med Genet. 2019 Mar; 181(1):52-58. . View in PubMed

Emergency management of adrenal insufficiency in children: advocating for treatment options in outpatient and field settings J Investig Med. 2019 Feb 28. . View in PubMed

A comparison of metabolic outcomes between obese HIV-exposed uninfected youth from the PHACS SMARTT Study and HIV-unexposed youth from the NHANES Study in the US. J Acquir Immune Defic Syndr. 2019 Feb 27. . View in PubMed

Markers of Bone Mineral Metabolism and Cardiac Structure and Function in Perinatally HIV-Infected and HIV-Exposed but Uninfected Children and Adolescents J Acquir Immune Defic Syndr. 2019 Feb 21. . View in PubMed

Para-ovarian adrenal rest tumors: gynecologic manifestations of untreated congenital adrenal hyperplasia Gynecol Endocrinol. 2018 Aug; 34(8):644-646. . View in PubMed

Iodine-Induced Fetal Hypothyroidism: Diagnosis and Treatment with Intra-Amniotic Levothyroxine Horm Res Paediatr. 2018 May 23; 1-5. . View in PubMed

Menstrual Dysfunction in Girls from the Treatment Options for Type 2 Diabetes in Adolescents and Youth (TODAY) Study J Clin Endocrinol Metab. 2018 Apr 24. . View in PubMed

Changes in insulin sensitivity over time and associated factors in HIV-infected adolescents AIDS. 2018 Mar 13; 32(5):613-622. . View in PubMed

For Debate: Combination Growth Hormone and Insulin-Like Growth Factor-I Therapy for Childhood Growth Disorders: Prime Time or Too Much Dime? Pediatr Endocrinol Rev. 2018 Mar; 15(3):196-199.. View in PubMed

Para-ovarian adrenal rest tumors: gynecologic manifestations of untreated congenital adrenal hyperplasia Gynecol Endocrinol. 2018 Feb 20; 1-3. . View in PubMed

Relative Risks of Contributing Factors to Morbidity and Mortality in Adults With Craniopharyngioma on Growth Hormone Replacement J Clin Endocrinol Metab. 2018 Feb 01; 103(2):768-777. . View in PubMed

Menstrual Dysfunction in Girls From the Treatment Options for Type 2 Diabetes in Adolescents and Youth (TODAY) Study J Clin Endocrinol Metab. 2018 06 01; 103(6):2309-2318. . View in PubMed

Relative Risks of Contributing Factors to Morbidity and Mortality in Adults With Craniopharyngioma on Growth Hormone Replacement J Clin Endocrinol Metab. 2018 02 01; 103(2):768-777. . View in PubMed

Lower mitochondrial DNA and altered mitochondrial fuel metabolism in HIV-exposed uninfected infants in Cameroon AIDS. 2017 Nov 28; 31(18):2475-2481. . View in PubMed

Birth Weight and Preterm Delivery Outcomes of Perinatally vs Nonperinatally Human Immunodeficiency Virus-Infected Pregnant Women in the United States: Results From the PHACS SMARTT Study and IMPAACT P1025 Protocol Clin Infect Dis. 2017 Sep 15; 65(6):982-989. . View in PubMed

Delay in sexual maturation in perinatally HIV-infected youths is mediated by poor growth AIDS. 2017 Jun 01; 31(9):1333-1341. . View in PubMed

Testicular Adrenal Rest Tumors in Boys and Young Adults with Congenital Adrenal Hyperplasia J Urol. 2017 Mar; 197(3 Pt 2):931-936. . View in PubMed

Are aromatase inhibitors in boys with predicted short stature and/or rapidly advancing bone age effective and safe? J Pediatr Endocrinol Metab. 2017 Mar 01; 30(3):311-317.. View in PubMed

Growth at 2 Years of Age in HIV-exposed Uninfected Children in the United States by Trimester of Maternal Antiretroviral Initiation Pediatr Infect Dis J. 2017 Feb; 36(2):189-197. . View in PubMed

Insulin resistance in HIV-infected youth is associated with decreased mitochondrial respiration AIDS. 2017 Jan 02; 31(1):15-23. . View in PubMed

Clinical practice guidelines for the care of girls and women with Turner syndrome: proceedings from the 2016 Cincinnati International Turner Syndrome Meeting Eur J Endocrinol. 2017 09; 177(3):G1-G70. . View in PubMed

Growth at 2 Years of Age in HIV-exposed Uninfected Children in the United States by Trimester of Maternal Antiretroviral Initiation Pediatr Infect Dis J. 2017 02; 36(2):189-197. . View in PubMed

Associations of Low Vitamin D and Elevated Parathyroid Hormone Concentrations With Bone Mineral Density in Perinatally HIV-Infected Children J Acquir Immune Defic Syndr. 2017 09 01; 76(1):33-42. . View in PubMed

Insulin resistance in HIV-infected youth is associated with decreased mitochondrial respiration AIDS. 2017 01 02; 31(1):15-23. . View in PubMed

Lower mitochondrial DNA and altered mitochondrial fuel metabolism in HIV-exposed uninfected infants in Cameroon AIDS. 2017 11 28; 31(18):2475-2481. . View in PubMed

Brain Malformations Do Not Predict Hypopituitarism in Young Children with Optic Nerve Hypoplasia Horm Res Paediatr. 2017; 88(3-4):251-257. . View in PubMed

Delay in sexual maturation in perinatally HIV-infected youths is mediated by poor growth AIDS. 2017 06 01; 31(9):1333-1341. . View in PubMed

Baseline Characteristics and Gender Differences in Prepubertal Children Treated with Growth Hormone in Europe, USA, and Japan: 25 Years' KIGS® Experience (1987-2012) and Review Horm Res Paediatr. 2017; 87(1):30-41. . View in PubMed

Dynamic response of C-type natriuretic peptide and its aminoterminal propeptide (NTproCNP) to growth hormone treatment in children with short stature Clin Endocrinol (Oxf). 2016 Oct; 85(4):561-8. . View in PubMed

Presentation and effectiveness of early treatment of type 2 diabetes in youth: lessons from the TODAY study Pediatr Diabetes. 2016 May; 17(3):212-21. . View in PubMed

Benefits and barriers to participating in longitudinal research of youth-onset type 2 diabetes: Results from the TODAY retention survey Clin Trials. 2016 Apr; 13(2):240-3. . View in PubMed

The Optic Nerve Hypoplasia Spectrum: Review of the Literature and Clinical Guidelines Adv Pediatr. 2016 08; 63(1):127-46. . View in PubMed

Carotid Intima-Media Thickness Is Associated with Increased Androgens in Adolescents and Young Adults with Classical Congenital Adrenal Hyperplasia Horm Res Paediatr. 2016; 85(4):242-9. . View in PubMed

Efficacy of growth hormone replacement on anthropometric outcomes, obesity, and lipids in children with optic nerve hypoplasia and growth hormone deficiency Int J Pediatr Endocrinol. 2016; 2016:5. . View in PubMed

Message from the Editors Pediatr Endocrinol Rev. 2015 Sep; 13(1):438. . View in PubMed

Lower Preprandial Insulin and Altered Fuel Use in HIV/Antiretroviral-Exposed Infants in Cameroon J Clin Endocrinol Metab. 2015 Sep; 100(9):3260-9. . View in PubMed

Increased Abdominal Adiposity in Adolescents and Young Adults With Classical Congenital Adrenal Hyperplasia due to 21-Hydroxylase Deficiency J Clin Endocrinol Metab. 2015 Aug; 100(8):E1153-9. . View in PubMed

Clinical trials in youth-onset type 2 diabetes: needs, barriers, and options Curr Diab Rep. 2015 May; 15(5):28. . View in PubMed

Growth hormone treatment for childhood short stature and risk of stroke in early adulthood Neurology. 2015 Mar 10; 84(10):1062-3. . View in PubMed

A significant proportion of thalassemia major patients have adrenal insufficiency detectable on provocative testing J Pediatr Hematol Oncol. 2015 Jan; 37(1):54-9. . View in PubMed

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 Horm Res Paediatr. 2015; 84(2):79-87. . View in PubMed

Short Children with CHARGE Syndrome: Do They Benefit from Growth Hormone Therapy? Horm Res Paediatr. 2015; 84(1):49-53.. View in PubMed

Presence of brown adipose tissue in an adolescent with severe primary hypothyroidism J Clin Endocrinol Metab. 2014 Sep; 99(9):E1686-90. . View in PubMed

Relationships among stressful life events and physiological markers, treatment adherence, and psychosocial functioning among youth with type 2 diabetesJ Pediatr. 2014 Sep; 165(3):504-508. e1. . View in PubMed

Decreased adrenomedullary function in infants with classical congenital adrenal hyperplasia J Clin Endocrinol Metab. 2014 Aug; 99(8):E1597-601. . View in PubMed

Re: Ramakrishnaiah et al: Reliability of magnetic resonance imaging for the detection of hypopituitarism in children with optic nerve hypoplasia (Ophthalmology 2014;121:387-91). Ophthalmology. 2014 May; 121(5):e26-7. . View in PubMed

Primary treatment regimen and diabetes insipidus as predictors of health outcomes in adults with childhood-onset craniopharyngioma J Clin Endocrinol Metab. 2014 Apr; 99(4):1227-35. . View in PubMed

Aggregate risk of cardiovascular disease among adolescents perinatally infected with the human immunodeficiency virus Circulation. 2014 Mar 18; 129(11):1204-12. . View in PubMed

Review of outcomes after cessation of gonadotropin-releasing hormone agonist treatment of girls with precocious puberty Pediatr Endocrinol Rev. 2014 Mar; 11(3):306-17. . View in PubMed

Stimulant use and its impact on growth in children receiving growth hormone therapy: an analysis of the KIGS International Growth Database Horm Res Paediatr. 2014; 82(1):31-7. . View in PubMed

Random unstimulated pediatric luteinizing hormone levels are not reliable in the assessment of pubertal suppression during histrelin implant therapy Int J Pediatr Endocrinol. 2013 Dec 02; 2013(1):20. . View in PubMed

Clinical characteristics and effects of GH replacement therapy in adults with childhood-onset craniopharyngioma compared with those in adults with other causes of childhood-onset hypothalamic-pituitary dysfunction Eur J Endocrinol. 2013 Oct; 169(4):511-9. . View in PubMed

Gestational diabetes mellitus in HIV-infected and -uninfected pregnant women in Cameroon Diabetes Care. 2013 Sep; 36(9):e141-2. . View in PubMed

Pubertal onset in children with perinatal HIV infection in the era of combination antiretroviral treatment AIDS. 2013 Jul 31; 27(12):1959-70. . View in PubMed

Are there parental socialization effects on the sex-typed behavior of individuals with congenital adrenal hyperplasia? Arch Sex Behav. 2013 Apr; 42(3):381-91.. View in PubMed

Bone mineral density in children and adolescents with perinatal HIV infection AIDS. 2013 Jan 14; 27(2):211-20. . View in PubMed

Management of congenital adrenal hyperplasia in childhood Curr Opin Endocrinol Diabetes Obes. 2012 Dec; 19(6):483-8. . View in PubMed

Persistent Müllerian duct syndrome: 8 new cases in Southern California and a review of the literature Pediatr Endocrinol Rev. 2012 Dec-2013 Jan; 10(2):227-33. . View in PubMed

Newborn thyroid-stimulating hormone in children with optic nerve hypoplasia: associations with hypothyroidism and vision J AAPOS. 2012 Oct; 16(5):418-23. . View in PubMed

C-type natriuretic peptide forms in adult hyperthyroidism: correlation with thyroid hormones and markers of bone turnover Clin Endocrinol (Oxf). 2012 Jun; 76(6):790-6. . View in PubMed

Serum prolactin concentrations in relation to hypopituitarism and obesity in children with optic nerve hypoplasia Horm Res Paediatr. 2012; 77(5):277-80. . View in PubMed

Body fat distribution in perinatally HIV-infected and HIV-exposed but uninfected children in the era of highly active antiretroviral therapy: outcomes from the Pediatric HIV/AIDS Cohort Study Am J Clin Nutr. 2011 Dec; 94(6):1485-95. . View in PubMed

Presenting features and long-term effects of growth hormone treatment of children with optic nerve hypoplasia/septo-optic dysplasia Int J Pediatr Endocrinol. 2011 Nov 15; 2011(1):17. . View in PubMed

Growth hormone: the expansion of available products and indications Pediatr Clin North Am. 2011 Oct; 58(5):1141-65, x. . View in PubMed

Growth hormone therapy: emerging dilemmas--a US. perspective. Pediatr Endocrinol Rev. 2011 Sep; 9(1):480. . View in PubMed

Prenatal hormones and childhood sex segregation: playmate and play style preferences in girls with congenital adrenal hyperplasia Horm Behav. 2011 Apr; 59(4):549-55. . View in PubMed

Short stature and metabolic abnormalities in two sisters with a 76-kb GH1 gene deletion. Growth Horm IGF Res. 2011 Feb; 21(1):37-43. . View in PubMed

Characteristics of adolescents and youth with recent-onset type 2 diabetes: the TODAY cohort at baseline J Clin Endocrinol Metab. 2011 Jan; 96(1):159-67. . View in PubMed

Factors associated with insulin resistance among children and adolescents perinatally infected with HIV-1 in the pediatric HIV/AIDS cohort study Horm Res Paediatr. 2011; 76(6):386-91. . View in PubMed

Optic nerve hypoplasia in North America: a re-appraisal of perinatal risk factors Acta Ophthalmol. 2010 Aug; 88(5):527-34. . View in PubMed

Discontinuation of growth hormone (GH) treatment during the transition phase is an important factor determining the phenotype of young adults with nonidiopathic childhood-onset GH deficiency J Clin Endocrinol Metab. 2010 Jun; 95(6):2646-54. . View in PubMed

Obese adolescents show impaired meal responses of the appetite-regulating hormones ghrelin and PYY Obesity (Silver Spring). 2010 May; 18(5):918-25. . View in PubMed

Diagnosis and management of primary insulin-like growth factor-I deficiency: current perspectives and clinical update Pediatr Endocrinol Rev. 2010 Feb; 7 Suppl 1:154-71. . View in PubMed

Igf-I stimulates in vivo thymopoiesis after stem cell transplantation in a child with Omenn syndrome J Clin Immunol. 2010 Jan; 30(1):114-20. . View in PubMed

Somatotropin in the treatment of growth hormone deficiency and Turner syndrome in pediatric patients: a review Clin Pharmacol. 2010; 2:111-22. . View in PubMed

Evolving central hypothyroidism in children with optic nerve hypoplasia J Pediatr Endocrinol Metab. 2010 Jan-Feb; 23(1-2):53-8. . View in PubMed

Guidelines for the Development of Comprehensive Care Centers for Congenital Adrenal Hyperplasia: Guidance from the CARES Foundation Initiative Int J Pediatr Endocrinol. 2010; 2010:275213. . View in PubMed

Hereditary vitamin D resistant rickets: identification of a novel splice site mutation in the vitamin D receptor gene and successful treatment with oral calcium therapy Bone. 2009 Oct; 45(4):743-6. . View in PubMed

Growth hormone: the expansion of available products and indications Endocrinol Metab Clin North Am. 2009 Sep; 38(3):587-611. . View in PubMed

Aromatase inhibitors to augment height: continued caution and study required J Clin Res Pediatr Endocrinol. 2009; 1(6):256-61. . View in PubMed

Growth hormone replacement therapy: transition from adolescence to adulthood J Clin Res Pediatr Endocrinol. 2009; 1(5):205-8. . View in PubMed

Gynecomastia in prepubertal and pubertal men Curr Opin Pediatr. 2008 Aug; 20(4):465-70. . View in PubMed

For debate: Aromatase inhibitors to augment height: have we lost our inhibitions? Pediatr Endocrinol Rev. 2008 Mar; 5(3):756-9.. View in PubMed

Neuroradiographic, endocrinologic, and ophthalmic correlates of adverse developmental outcomes in children with optic nerve hypoplasia: a prospective study Pediatrics. 2008 Mar; 121(3):e653-9. . View in PubMed

Optic nerve hypoplasia and hypopituitarism Pediatr Endocrinol Rev. 2008 Mar; 5(3):772-7. . View in PubMed

The 88th Annual Meeting of the Endocrine Society, June 24-27, 2006, Boston MA, USA: selected pediatric presentations Pediatr Endocrinol Rev. 2008 Mar; 5(3):789-95. . View in PubMed

Impact of the primary aetiology upon the clinical outcome of adults with childhood-onset GH deficiency Eur J Endocrinol. 2007 Nov; 157(5):589-96. . View in PubMed

Growth hormone treatment of early growth failure in toddlers with Turner syndrome: a randomized, controlled, multicenter trial J Clin Endocrinol Metab. 2007 Sep; 92(9):3406-16. . View in PubMed

Increased aggression and activity level in 3- to 11-year-old girls with congenital adrenal hyperplasia (CAH) Horm Behav. 2007 Sep; 52(3):368-74. . View in PubMed

Future directions: growth prediction models Horm Res. 2007; 68 Suppl 5:51-6. . View in PubMed

Compound heterozygosity of a frameshift mutation in the coding region and a single base substitution in the promoter of the ACTH receptor gene in a family with isolated glucocorticoid deficiency J Pediatr Endocrinol Metab. 2006 Sep; 19(9):1157-66. . View in PubMed

A hypocalcemic child with a novel activating mutation of the calcium-sensing receptor gene: successful treatment with recombinant human parathyroid hormone J Clin Endocrinol Metab. 2006 Jul; 91(7):2474-9. . View in PubMed

Improvement in risk factors for metabolic syndrome and insulin resistance in overweight youth who are treated with lifestyle intervention Pediatrics. 2006 Jun; 117(6):e1111-8. . View in PubMed

Endocrinological and auxological abnormalities in young children with optic nerve hypoplasia: a prospective study J Pediatr. 2006 Jan; 148(1):78-84. . View in PubMed

Craniopharyngioma in childhood Adv Pediatr. 2006; 53:183-209. . View in PubMed

Baseline characteristics and response to 2 years of growth hormone (GH) replacement of hypopituitary patients with GH deficiency due to adult-onset craniopharyngioma in comparison with patients with nonfunctioning pituitary adenoma: data from KIMS (Pfizer International Metabolic Database) J Clin Endocrinol Metab. 2005 Aug; 90(8):4636-43. . View in PubMed

Obesity and fat quantification in lean tissues using three-point Dixon MR imaging Pediatr Radiol. 2005 Jun; 35(6):601-7. . View in PubMed

Prenatal hormones and postnatal socialization by parents as determinants of male-typical toy play in girls with congenital adrenal hyperplasia Child Dev. 2005 Jan-Feb; 76(1):264-78. . View in PubMed

Changes in height, weight, and body mass index in children with craniopharyngioma after three years of growth hormone therapy: analysis of KIGS (Pfizer International Growth Database) J Clin Endocrinol Metab. 2004 Nov; 89(11):5435-40. . View in PubMed

Rathke's cleft cyst in two girls with precocious puberty J Pediatr Endocrinol Metab. 2004 May; 17(5):781-5. . View in PubMed

Growth hormone treatment in children with familial dysautonomia J Pediatr. 2004 Jan; 144(1):63-7. . View in PubMed

Hypothalamic-pituitary-adrenal activity among Armenian adolescents with PTSD symptoms J Trauma Stress. 2003 Aug; 16(4):319-23. . View in PubMed

Hypertension in hypophosphatemic rickets--role of secondary hyperparathyroidism Pediatr Nephrol. 2003 Feb; 18(2):155-8. . View in PubMed

Precocious puberty secondary to topical testosterone exposure J Pediatr Endocrinol Metab. 2003 Jan; 16(1):107-10. . View in PubMed

Hypopituitarism in childhood Cancer Control. 2002 May-Jun; 9(3):212-22. . View in PubMed

Simultaneous development of pheochromocytomas in prepubertal siblings with von Hippel-Lindau syndrome J Pediatr. 2002 May; 140(5):625-8. . View in PubMed

Cognitive and behavioral characteristics of turner syndrome: exploring a role for ovarian hormones in female sexual differentiation Horm Behav. 2002 Mar; 41(2):139-55. . View in PubMed

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