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Browsing by Author "Fuqua, John S."
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Item 50 Years Ago in The Journal of Pediatrics: Growth in Patients with Gonadal Dysgenesis Receiving Fluoxymesterone(Elsevier, 2019-12) Gohil, Anisha; Fuqua, John S.; Pediatrics, School of MedicineItem Adrenal Tumors in Childhood(Elsevier, 2021-08) Fuqua, John S.; Pediatrics, School of MedicineAdrenocortical tumors are rare in children and usually present with virilization before age 5 years. They may also present as Cushing syndrome or with mixed effects.Item Bicalutamide as an Androgen Blocker With Secondary Effect of Promoting Feminization in Male-to-Female Transgender Adolescents(Elsevier, 2019-04) Neyman, Anna; Fuqua, John S.; Eugster, Erica A.; Pediatrics, School of MedicinePURPOSE: The purpose of the study was to describe the novel use of bicalutamide in transgender youth. METHODS: This is a retrospective review of patients with gender dysphoria followed in the pediatric endocrine clinic at Riley Hospital for Children. RESULTS: Of 104 patients with gender dysphoria, 23 male-to-female adolescents received bicalutamide 50 mg daily as a second-line puberty blocker after insurance company denial of a gonadotropin-releasing hormone analog. Six patients received estrogen concurrently. Of 13 patients treated exclusively with bicalutamide seen in follow-up, 84.6% had breast development within 6 months, the majority being ≥ Tanner stage III. CONCLUSIONS: Bicalutamide may be an alternative to gonadotropin-releasing hormone analogs in transgender male-to-female youth who are also ready to undergo physical transition.Item Central precocious puberty in spina bifida children: Guidelines for the care of people with spina bifida(IOS Press, 2020) Almutlaq, Nourah; O’Neil, Joseph; Fuqua, John S.; Pediatrics, School of MedicineChildren with spina bifida are at greater risk of developing central precocious puberty (CPP) compared to others. Therefore, early recognition and timely referral for further evaluation by a pediatric endocrinologist allows appropriate management that reduces the impact of CPP. This article discusses the diagnosis and management of CPP in children with spina bifida. This guideline was developed for SB Transition Healthcare Guidelines from the 2018 Spina Bifida Association's Fourth Edition of the Guidelines for the Care of People with Spina Bifida.Item Current State of Pediatric Reference Intervals and the Importance of Correctly Describing the Biochemistry of Child Development: A Review(American Medical Association, 2022) Lyle, Alicia N.; Pokuah, Fidelia; Dietzen, Dennis J.; Wong, Edward C. C.; Pyle-Eilola, Amy L.; Fuqua, John S.; Woodworth, Alison; Jones, Patricia M.; Akinbami, Lara J.; Garibaldi, Luigi R.; Vesper, Hubert W.; Pediatrics, School of MedicineImportance: Appropriately established pediatric reference intervals are critical to the clinical decision-making process and should reflect the physiologic changes that occur during healthy child development. Reference intervals used in pediatric care today remain highly inconsistent across a broad range of common clinical biomarkers. Observations: This narrative review assesses biomarker-specific pediatric reference intervals and their clinical utility with respect to the underlying biological changes occurring during development. Pediatric reference intervals from PubMed-indexed articles published from January 2015 to April 2021, commercial laboratory websites, study cohorts, and pediatric reference interval books were all examined. Although large numbers of pediatric reference intervals are published for some biomarkers, very few are used by clinical and commercial laboratories. The patterns, extent, and timing of biomarker changes are highly variable, particularly during developmental stages with rapid physiologic changes. However, many pediatric reference intervals do not capture these changes and thus do not accurately reflect the underlying biochemistry of development, resulting in significant inconsistencies between reference intervals. Conclusions and relevance: There is a need to correctly describe the biochemistry of child development as well as to identify strategies to develop accurate and consistent pediatric reference intervals for improved pediatric care.Item Mental Health Disorders and Hyperthyroidism in the Pediatric Population(American Academy of Pediatrics, 2019-11) Schneider Aguirre, Rebecca; Fuqua, John S.; Medicine, School of MedicineItem OR21-06 Growth Response Of Oral LUM-201 In OraGrowtH210 And OraGrowtH212 Trials In Idiopathic Pediatric Growth Hormone Deficiency (iPGHD): Combined Analysis Interim Analysis Data(The Endocrine Society, 2023-10-05) Tansey, Michael J.; Bowden, Sasigarn Arunchaiya; Dauber, Andrew Nahum; Wikiera, Beata; Pyrzak, Beata; Bossowski, Artur T.; Petriczko, Elzbieta; Stawerska, Renata; Moszczynska, Elzbieta; Cassorla, Fernando; Feldt, Matthew M.; Lunsford, Alison J.; Gottschalk, Michael Everett; Marin, Monica; Nayak, Sunil N.; Bhuvana, Sunil; Repaske, David Roy; Soyka, Leslie Ann; Fuqua, John S.; Escobar, Oscar; Bowlby, Deborah A.; Fechner, Patricia Y.; Wiltshire, Esko; Harris, Mark; Wintergerst, Kupper A.; Lafferty, Antony Richard A.; Miller, Bradley S.; Simm, Peter; Bruchey, Aleksandra; Smith, Christopher; Karpf, David B.; McKew, John C.; Thorner, Michael O.; Pediatrics, School of MedicineBackground: LUM-201 (ibutamoren), a growth hormone (GH) secretagogue receptor 1a (GHSR1a) agonist, is a potent, long-acting investigational oral GH secretagogue currently studied in three Idiopathic Pediatric GH Deficiency (iPGHD) studies. The LUM-201 predictive enrichment marker (PEM) is used to identify patients diagnosed with iPGHD (peak stimulated GH >3<10 ng/mL) who are likely to respond to LUM-201. PEM positivity is defined as a baseline insulin-like growth factor-1 (IGF-1) level >30 ng/mL and a peak GH of ≥5 ng/mL in response to a single 0.8 mg/kg dose of LUM-201. Objectives: Report the growth response analyzing the combined interim analysis (IA) data from two Phase 2 trials studying LUM-201 at two different doses (1.6 mg/kg/day or 3.2 mg/kg/day). Methods: IA data from both studies were combined and analyzed for calculated annualized height velocity (AHV). Baseline demographics were analyzed for the two combined cohorts. Results: After 6 months of treatment with LUM-201, the calculated AHV (mean ±SD ) was 8.1±1.9 cm/year in the 1.6 mg/kg/day group and 8.0±1.5 cm/year in the 3.2 mg/kg/day group (N=15 in both groups). After 9 months of treatment, the calculated AHV was 7.8±1.7 cm/year in the 1.6 mg/kg/day group and 7.3±1.7 cm/year in the 3.2 mg/kg/day group (N=10 in both groups). After 12 months of treatment, the calculated AHV was 7.8±1.7 cm/year in the 1.6 mg/kg/day group and 7.4 ±1.2 cm/year in the 3.2 mg/kg/day group (N=6 in both groups). LUM-201 was well tolerated; no safety concerns were identified across the dose range in adverse events (AE) data, laboratory values, and ECG values. Conclusions: As the growth velocity was comparable for the two doses of oral LUM-201, this analysis of the combined IA data appears to strongly support 1.6 mg/kg/day as the optimal dose for the Phase 3 trial, as doubling the dose appeared to offer no meaningful improvement in efficacy. Final determination will await final full data set analysis of both studies.Item Reproductive Issues in Women with Turner Syndrome(Elsevier, 2015-12) Folsom, Lisal J.; Fuqua, John S.; Department of Medicine, IU School of MedicineTurner syndrome is one of the most common chromosomal abnormalities affecting female infants. The severity of clinical manifestations varies and it affects multiple organ systems. Women with Turner syndrome have a 3-fold increase in mortality, which becomes even more pronounced in pregnancy. Reproductive options include adoption or surrogacy, assisted reproductive techniques, and in rare cases spontaneous pregnancy. Risks for women with Turner syndrome during pregnancy include aortic disorders, hepatic disease, thyroid disease, type 2 diabetes, and cesarean section delivery. Providers must be familiar with the risks and recommendations in caring for women with Turner syndrome of reproductive age.Item Short stature and the effect of human growth hormone: Guidelines for the care of people with spina bifida(IOS Press, 2020) O'Neil, Joseph; Fuqua, John S.; Pediatrics, School of MedicineIt is estimated that a significant percentage of individuals with spina bifida (SB) are shorter than their age-matched typical peers. Parents of children with spina bifida may ask if human growth hormone is appropriate for their child. This article discusses short stature and the use of human growth hormone among children with SB. This guideline was developed for SB Healthcare Guidelines from the 2018 Spina Bifida Association's Fourth Edition of the Guidelines for the Care of People with Spina Bifida.Item The Variability of Growth and Puberty in Growth Hormone-treated Children Born Small for Gestational Age(The Endocrine Society, 2022) Saroufim, Rita; Fuqua, John S.; Pediatrics, School of Medicine