John C. Gallagher, MD

Department

Medicine

Position

Adjunct Professor

Books

• Nutritional Influences on Bone Health
  Gallagher J. Christopher, After Vitamin D Supplementation There Is an Increase in Serum 25 Hydroxyvitamin D but No Evidence of a Threshold Response in Calcium Absorption [Book Chapter] 2016
• Primer on the Metabolic Bone Diseases and Disorders of Mineral Metabolism : Eighth Edition
  Christopher Gallagher J., Vitamin D Insufficiency and Deficiency [Book Chapter] 2013
• Nutrition and Diet in Menopause
  Gallagher J. Christopher, Soy Protein Isoflavones and Their Effect on Bone in Postmenopausal Women [Book Chapter] 2013
• Menopause
  Archer David F., Tibolone [Book Chapter] 2007
• Medical Science Symposia Series
  Gallagher J. C., Tibolone is effective in preventing postmenopausal bone loss [Book Chapter] 2002
• Marcus Robert, Osteoporosis 1996
• Inoue Tetsuo, Acronym of improved microdensitometry (computed X-ray densitometry) 1994
• Gallagher J, A comparison of the effects of calcitriol or calcium supplements on bone in psotmenopausal osteoporosis 1985
• Gallagher J, The use of 1,25 dihydroxyvitamin D sub(3) in osteoporosis 1982
• Riggs B, Studies on the mechanism of impaired calcium absorption in postmenopausal osteoporosis 1982
• Arnaud C, On the role of parathyroid hormone in the osteoporosis of aging 1981
• Riggs B, Disordered systemic regulation of mineral homeostasis as a cause of osteoporosis 1981
• Gallagher J, Effects of calcitriol in osteoporosis 1981
• Gallagher J, Biochemical effects of estrogen and progesterone on calcium metabolism 1981
• Riggs B. L, Intestinal calcium absorption in postmenopausal osteoporosis 1978
• Ageing and Estrogens
  Gallagher J. C, Oestrogens and Calcium Metabolism [Book Chapter] 1973

Publications

• Clinical nutrition (Edinburgh, Scotland)
  Oussaada Sabrina M., The effect of active vitamin D supplementation on body weight and composition: a meta-analysis of individual participant data 2024
• Journal of the Endocrine Society
  Reddy Chandrika, Bilateral Atypical Femoral Fracture(AFF) After Teriparatide and Subsequent Anti-Resorptive Therapy: A Management Dilemma
  5:Suppl 1, p. A184 - A184 2021
• Journal of the Endocrine Society
  Smith Lynette M, In a Clinical Trial There Was No Effect of Vitamin D on Physical Performance in Either Black or White Women
  5:Supplement_1, p. A276 - A277 2021
• American Journal of Roentgenology
  Huayllas Martha Katherine Paniagua, Correlation between size and function of unilateral and bilateral adrenocortical nodules
  214:4, p. 800 - 807 2020
• Journal of the Endocrine Society
  Smith Lynette, SAT-514 The Decrease in Serum Parathyroid Hormone on Vitamin D Treatment Is Similar When Comparing Increases in Serum Free or Total 25 Hydroxyvitamin D in White and Black Women
  3:Suppl 1 2019
• Yearbook of Paediatric Endocrinology
  HS Taylor, Treatment of Endometriosis-Associated Pain with Elagolix, an Oral GnRH Antagonist, p. 28 - 40 2018
• Internal medicine news (Short Hills, N.J. 1995)
  Gallagher J. Chris, Almost the last word on vitamin D.(VIEW ON THE NEWS)(Brief article)
  51:17, p. 18 2018
• Journal of Clinical Endocrinology and Metabolism
  Schwartz Janice B., Determination of Free 25(OH)D Concentrations and Their Relationships to Total 25(OH)D in Multiple Clinical Populations
  103:9, p. 3278 - 3288 2018
• Menopause
  Christopher Gallagher J., 2018 NAMS/Pfizer - Wulf H. Utian endowed lecture
  25:12, p. 1403 - 1417 2018
• New England Journal of Medicine
  Taylor H. S., Treatment of Endometriosis-Associated Pain with Elagolix, an Oral GnRH Antagonist
  377:1, p. 28 - 40 2017
• Journal of Bone and Mineral Research
  Kaufmann Martin, Improved Screening Test for Idiopathic Infantile Hypercalcemia Confirms Residual Levels of Serum 24,25-(OH)(2)D-3 in Affected Patients
  32:7, p. 1589 - 1596 2017
• Endocrine practice
  Singh Shilpi, Abstract #703: Idiopathic Hypoparathyroidism Associated with Deafness; Renal Anomaly: An Interesting Case of HDR (Hypoparathyroidism; Deafness and Renal Anomaly) Syndrome
  23, p. 132 - 133 2017
• Endocrine practice
  Singh Shilpi, Abstract #214: Insulin Drip At > 450 Units/Hour; Drugdrug Interaction or Plumbing Problem? An Interesting Case of Norepinephrine (Levophed) Interfering with Insulin
  23, p. 36 2017
• Endocrine practice
  Singh Shilpi, IDIOPATHIC HYPOPARATHYROIDISM ASSOCIATED WITH DEAFNESS, RENAL ANOMALY: AN INTERESTING CASE OF HDR (HYPOPARATHYROIDISM, DEAFNESS AND RENAL ANOMALY) SYNDROME
  23, p. 132 2017
• Menopause
  Christopher Gallagher J., Effect of conjugated estrogens/bazedoxifene on postmenopausal bone loss
  23:10, p. 1083 - 1091 2016
• Hormone Molecular Biology & Clinical Investigation
  Bouchard Cé, Effect of Intravaginal Dehydroepiandrosterone (DHEA) on the Female Sexual Function in Postmenopausal Women: ERC-230 Open-Label Study
  25:3, p. 181 - 190 2016
• Climacteric
  Palacios S., Treatment with denosumab reduces secondary fracture risk in women with postmenopausal osteoporosis
  18:6, p. 805 - 812 2015
• Gallagher J. Christopher, Letter to the Editor 2015
• European Journal of Clinical Pharmacology
  Tella Sri Harsha, Biological agents in management of osteoporosis
  70:11, p. 1291 - 1301 2014
• Journal of Steroid Biochemistry and Molecular Biology
  Tella Sri Harsha, Prevention and treatment of postmenopausal osteoporosis
  142, p. 155 - 170 2014
• Menopause
  Gallagher J. Christopher, Estrogen treatment does not reduce fractures?
  21:2, p. 111 - 112 2014
• Journal of Bone and Mineral Research
  Gallagher J. Christopher, Vitamin D supplementation in young White and African American women
  29:1, p. 173 - 181 2014
• Journal of Bone and Mineral Research
  Gallagher J. Christopher, Vitamin D does not increase calcium absorption in young women: a randomized clinical trial
  29:5, p. 1081 - 1087 2014
• Clinical Obstetrics and Gynecology
  Gallagher J. Christopher, Controversies in Osteoporosis Management: Antiresorptive Therapy for Preventing Bone Loss: When to Use One or Two Antiresorptive Agents?
  56:4, p. 749 - 756 2013
• Journal of Clinical Endocrinology and Metabolism
  Gallagher J. Christopher, Effects of vitamin D supplementation in older African American women.
  98:3, p. 1137 - 1146 2013
• Endocrinology and Metabolism Clinics of North America
  Gallagher J. Christopher, Vitamin D and Aging
  42:2, p. 319 2013
• Journal of Steroid Biochemistry and Molecular Biology
  Gallagher J. Christopher, The Effect Of Vitamin D Supplementation On Serum 25OHD In Thin And Obese Women
  136, p. 195 - 200 2013
• Christopher Gallagher J., RE 2012
• Journal of Clinical Endocrinology and Metabolism
  Gallagher J. Christopher, The effect of vitamin D on calcium absorption in older women.
  97:10, p. 3550 - 3556 2012
• Annals of internal medicine
  Christopher Gallagher J., Dose response to vitamin D supplementation in postmenopausal women a randomized trial
  156:6, p. 425 - 437 2012
• Annals of Internal Medicine
  Christopher Gallagher J., RE: Dose Response to Vitamin D Supplementation in Postmenopausal Women
  157:5, p. 384 - 385 2012
• Stroke
  Hodis H. N., Isoflavone soy protein supplementation and atherosclerosis progression in healthy postmenopausal women: a randomized controlled trial.
  42:11, p. 3168 - 3175 2011
• MD conference express
  Buckley R., Lower Doses of Vitamin D Can Prevent Bone Fractures in Older Women with Vitamin D Insufficiency
  11:5, p. 10 - 10 2011
• Menopause
  Karim R., Hip fracture in postmenopausal women after cessation of hormone therapy: results from a prospective study in a large health management organization
  18:11, p. 1172 - 1177 2011
• BMJ. British Medical Journal
  Gallagher J. Christopher, Institute of Medicine responds
  342, p. d4046 2011
• BMJ British Medical Journal
  Gallagher J. Christopher, Fall Prevention With Vitamin D Institute of Medicine responds
  342, p. d4046 - d4046 2011
• Journal of Clinical Endocrinology and Metabolism
  Sai Adarsh J., Relationship between Vitamin D, Parathyroid Hormone, and Bone Health
  96:3, p. E436 - E446 2011
• Journal of Bone and Mineral Research
  DeLuca Hector F., The Vitamin D Analogue 2MD Increases Bone Turnover but Not BMD in Postmenopausal Women With Osteopenia: Results of a 1-Year Phase 2 Double-Blind, Placebo-Controlled, Randomized Clinical Trial
  26:3, p. 538 - 545 2011
• Journal of the American Dietetic Association
  Ross A. C., Clarification of DRIs for Calcium and Vitamin D across Age Groups
  111:10, p. 1467 - 1467 2011
• Journal of inherited metabolic disease
  Champion H., Dietary modifications in patients receiving miglustat
  33:Suppl 3, p. S379 - S383 2010
• Journal of Clinical Endocrinology and Metabolism
  Gallagher J. Christopher, Vitamin D insufficiency, deficiency, and bone health
  95:6, p. 2630 - 2633 2010
• Bone (New York, N.Y.)
  Lippuner Kurt, Effect of Denosumab on the Incidence of Hip and New Vertebral Fractures in Postmenopausal Women With High Fracture Risk: A Subanalysis of the FREEDOM Study
  46, p. S27 - S28 2010
• Maturitas
  Gallagher J. Christopher, Molecular biology of bone remodeling: Implications for new therapeutic targets for osteoporosis
  65:4, p. 301 - 307 2010
• Adachi J D, Effect of Denosumab on Hip Fractures in Postmenopausal Women: A Subanalysis of the FREEDOM Study 2010
• Nature Clinical Practice Endocrinology & Metabolism
  Gallagher J. Christopher, Does tibolone reduce the risk of fracture in older postmenopausal women with osteoporosis?
  5:3, p. 128 - 129 2009
• Fertility and sterility
  Gallagher J.C., Smart trials: effects of a tissue selective estrogen complex (TSEC) comprised of bazedoxifene (BZA) and conjugated estrogens (CEs) on bone mineral density (BMD) in postmenopausal women
  88, p. S241 - S241 2007
• Journal of Clinical Endocrinology and Metabolism
  Gallagher J. Christopher, An age-related decrease in creatinine clearance is associated with an increase in number of falls in untreated women but not in women receiving calcitriol treatment
  92:1, p. 51 - 58 2007
• Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
  Rapuri Prema B., Smoking is a risk factor for decreased physical performance in elderly women
  62:1, p. 93 - 100 2007
• Bone
  Gallagher J. Christopher, Response rate of bone mineral density to teriparatide in postmenopausal women with osteoporosis
  39:6, p. 1268 - 1275 2006
• Contraception (Stoneham)
  Archer D F, DMPA-SC 104 has significantly less impact on bone mineral density than leuprolide acetate in patients with endometriosis
  72:3, p. 237 - 237 2005
• The Journal of musculoskeletal medicine
  Gallagher J.C, Remedies for vitamin D deficiency
  21:12, p. 617 2004
• Journal of Steroid Biochemistry and Molecular Biology
  Rapuri Prema B., Association between Vitamin D receptor polymorphisms and the rate of bone loss in elderly women���importance of adjusting for dietary and lifestyle factors
  89-90:5-Jan, p. 503 - 506 2004
• Journal of Steroid Biochemistry and Molecular Biology
  Rapuri Prema B., Effect of vitamin D supplement use on serum concentrations of total 25OHD levels in elderly women
  89-90:5-Jan, p. 601 - 604 2004
• Journal of Steroid Biochemistry and Molecular Biology
  Gallagher J. Christopher, The effects of calcitriol on falls and fractures and physical performance tests
  89-90:5-Jan, p. 497 - 501 2004
• Calcified Tissue International
  Rapuri Prema B., Effect of vitamins D-2 and D-3 supplement use on serum 25OHD concentration in elderly women in summer and winter
  74:2, p. 150 - 156 2004
• Fertility and sterility
  Lindsay Robert, Effect of conjugated estrogens (CE)/trimegestone (TMG) on bone mineral density (BMD) in early postmenopausal women in a double-blind, randomized, placebo-controlled study
  80, p. 17 - 17 2003
• Evidence-based Obstetrics and Gynecology
  Lindsay R., Low doses of estrogen, with or without progesterone, increased bone mineral density in postmenopausal women
  5:2, p. 96 - 97 2003
• Journal of Clinical Endocrinology and Metabolism
  Christopher Gallagher J., Effect of discontinuation of estrogen, calcitriol, and the combination of both on bone density and bone markers
  87:11, p. 4914 - 4923 2002
• Obstetrical & gynecological survey
  Gallagher J. C., Prevention of Bone Loss With Tibolone in Postmenopausal Women: Results of Two Randomized, Double-Blind, Placebo-Controlled, Dose-Finding Studies
  57:3, p. 167 - 169 2002
• Obstetrical and Gynecological Survey
  Gallagher J. C., Combination treatment with Estrogen and Calcitriol in the prevention of Age-Related Bone Loss
  57:2, p. 94 - 97 2002
• Journal of Clinical Endocrinology and Metabolism
  Rapuri Prema B., Seasonal changes in calciotropic hormones, bone markers, and bone mineral density in elderly women
  87:5, p. 2024 - 2032 2002
• Rheumatic Disease Clinics of North America
  Gallagher J. Christopher, Role of estrogens in the management of postmenopausal bone loss
  27:1, p. 143 - 162 2001
• The Journal of nutrition
  Gallagher J. C, Effect of Soy Protein on Bone Metabolism
  130:3, p. 667 2000
• Menopause (New York, N.Y.)
  Paknikar J. S., P-81
  4:4, p. 282 1997
• Menopause
  Petranick K., Long-term estrogen maintains bone mineral density
  2:4, p. 268 - 269 1995
• Menopause
  Kable Petranick W.T., Use of progestin challenge test in elderly women k.
  2:4 1995
• Menopause (New York, N.Y.)
  Fannon P., Poster Presentation
  1:3, p. 153 1994
• Maturitas
  Harris S.T, 91334007 The effects of estrone (Ogen) on spinal bone density of postmenopausal women
  15:1, p. 87 - 87 1992
• Southern Medical Journal
  Gallagher J. C., Vitamin D metabolism and therapy in elderly subjects
  85, p. 2S - 43 1992
• Bone and Mineral
  Kimmel Donald B., A Comparison of Iliac Bone Histomorphometric Data in Post-Menopausal Osteoporotic and Normal Subjects
  11:2, p. 217 - 235 1990
• Gynakologisch-geburtshilfliche Rundschau
  Mazess Richard B., Therapieübenvachung durch knochendichtemessung bei Östrogensubstitutionstherapie
  30:3, p. 173 - 175 1990
• Journal of reproductive medicine
  Kable W. T, Liquid changes after hormone replacement therapy for menaupose
  35:5, p. 512 - 518 1990
• Illumina Biological Content - unstructured
  Gallagher J, Action of 1,25-dihydroxyvitamin D sub(3) on calcium balance and bone turnover and its effect on vertebral fracture rate 1990
• Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine
  Gallagher J. Christopher, The Effect of Calcitriol on Patients with Postmenopausal Osteoporosis with Special Reference to Fracture Frequency
  191:3, p. 287 - 292 1989
• The Physician and sportsmedicine
  Hedlund L. R., The Effect of Fluoride in Osteoporosis
  15:11, p. 111 - 118 1987
• American journal of clinical pathology
  Gallagher John C., It’s Levey, with Two ‘E’s
  79:4, p. 522 - 522 1983
• Frontiers of hormone research
  Nordin B. E., Post-menopausal osteopenia and osteoporosis.
  3, p. 131 - 149 1975
• Frontiers of hormone research
  Gallagher J. C., Effects of oestrogen and progestogen therapy on calcium metabolism in post-menopausal women.
  3, p. 150 - 176 1975
• Clinics in Endocrinology and Metabolism
  Gallagher J. C., The crush fracture syndrome in postmenopausal women
  2:2, p. 293 - 315 1973
• Clinics in Endocrinology and Metabolism
  Gallagher J. C., Corticosteroid osteoporosis
  2:2, p. 355 - 368 1973

Presentations

• Effects of Vitamin D on Extra skeletal Health Mexico 2022 2022
• Calcium supplementation. Risks-benefits 2022
• Estrogen forever 2021
• Vitamin D update 2021
• Non parathyroid hypercalcemia 2021
• Saudi Arabian Osteoporosis Society. March 18,2021 1.Effects of Vitamin D on Extra skeletal Health 2.Calcium supplementation. Risks-benefits 2021
• Free but not total 25 hydroxyvitamin D is correlated with calcium absorption. Gallagher, JC. ASBMR 2019, Orlando, FL. 2019
• The decrease in serum paraghyroid hormone on vitamin D treatment is similar when comparing increases in serum free on ttal 25 hydroxyvitamin in White and Black Women. Gallagher, JC. Endocrine Society 2019, New Orleans, LA. 2019
• Smith Lynette M., Gallagher JC, Wai Wai Lin,Leon Swinkels. Oral presentation. Effect of treatment with vitamin D3 on Free and Total 25 hydroxyvitamin D in Older and Younger Caucasian and African American women. A randomized clinical trial. Endocrine Society, 2018 2018
• Wei Wei Lin (Endocrine Fellow), Gallagher JC. Smith LS.Poster. Measurement of Serum Free 25-hydroxyvitamin D in Young and Old African American and Caucasian Women. Endocrine Society, 2018. 2018
• Anh Nguyen (Endocrine fellow.) Gallagher JC. Poster.1,25-Dihydroxyvitamin D-mediated Hypercalcemia due to a Fibrotic Granulomatous Lung Disease, Ameliorated by Ketoconazole. Endocrine Society, 2017 2017
• Smith Lynette, Gallagher JC. Oral presentation. Estimation of the Recommended Daily Allowance (RDA) for Vitamin D Intake Using Serum 25 Hydroxyvitamin D Level of 20ng/ml As the End Point, may vary according to the Analytical Measurement Technique used. Endocrine Society, 2017 2017
• Vinod Yalamanchili (Research Fellow), Gallagher JC. Poster. Effect of Vitamin D Supplementation on Depression Scores in Younger Caucasian and Africa-American Women. Endocrine Society, 2017. 2017
• Gallagher JC. "The year in Vitamin D". Clinical update 2017. Oral presentation - Vitamin D workshop 20th, 2017 2017
• Smith Lynette. Gallagher JC. Poster. Estimation of the Recommended Daily Allowance (RDA) for Vitamin D Intake using serum 25 hydroxyvitamin D level of 20ng/ml as the end and comparing two analytical methods of measurement. Poster Vitamin D workshop 20th. 2017 2017
• Singh, Shilpi (Endocrine fellows); George, Andrea; Theertham, Arjun; Gallagher, JC. Poster. Idiopathic Hypoparathyroidism with deafness, renal anomaly. An interesting case of HDR. American Society Clinical Endocrinologists, 2017 2017
• Singh, Shilpi Endocrine fellow; Gallagher, JC. Poster - Insulin drip at >450 units/hour. Drug drug interaction.an interesting case of norepinephrine interfering with insulin. American Society Clinical Endocrinologists, 2017. 2017
• Gallagher JC Yousefian S (Endocrine Fellow), Smith L. Poster - Vitamin D increases fall rates on doses recommended for Geriatric patients. 19th Workshop on Vitamin D, April 2016 in Boston 2016
• Yalamanchili Vinod (Research Fellow), Gallagher JC. Poster - The effect of increasing doses of vitamin D3 treatment on Geriatric Depression scores. 19th Workshop on Vitamin D, 2016 in Boston. 2016
• Yalamanchili Vinod (Research Fellow), Gallagher JC. Poster - Comparison of the Effect of Vitamin D and 1,25 Dihydroxyvitamin D Treatment on Depression Scores in Older Women. Endocrine Society, April 2016 in Boston. 2016
• Singh S (Research Fellow), Gallagher JC, Smith L. Poster - Change in serum 25OHD after Vitamin D is similar in young, old, Caucasian and African American women .19th Workshop on Vitamin D, April 2016 in Boston 2016
• Singh S (Research Fellow), Gallagher JC, Smith L. Oral presentation - The response to vitamin D in serum 25OHD is similar in Caucasian and African American women. Endocrine Society, April 2016. 2016
• Yousefian S (Endocrine Fellow), Gallagher JC, Smith L. Plenary poster award - Effect of vitamin D on Falls. American Society Bone and Mineral Research, 2015. 2016
• Yousefian S (Endocrine Fellow), Gallagher JC. Late breaking poster. Falls are Increased on Recommended Doses of Vitamin D in Elderly. American Society Bone and Mineral Research, 2015 2015
• Gallagher J, Yousefian S, Smith L. Falls are increased on recommended doses of vitamin D in elderly women. Presented at the ASBMR, Seattle, WA, October 11, 2015 2015
• Gallagher J. Meet-the-Professor Session: Calcium and Vitamin D: Current Status. Oral presentation at the ASBMR, Seattle, WA, October 9-12, 2015. 2015
• Saiprasad S (Endocrine Fellow), Gallagher JC. Poster prize, Chronic Functional Hypoparathyroidism due to Magnesium Deficiency, Endocrine Society, 2015 2015
• Yalamanchili, V (Research Fellow), Gallagher JC. ORAL presentation - Incidence of Hypercalciuria and Hypercalcemia during Vitamin D and Calcium Supplementation in Older and Younger Women: A Comparison Between Caucasians and African Americans in Two Randomized Trials. Endocrine Society, 2015 2015
• Yalamanchili, Vinod (Research Fellow), Gallagher JC. Poster. Effect of vitamin D on depression. Endocrine Society, 2015 2015
• Gallagher JC, Glenville Jones. Oral presentation. Metabolic regulation of serum 25 hydroxyvitamin D by 24, 25 hydroxylation is an essential step in preventing vitamin D intoxication. Endocrine Society, 2014. 2014
• Jindal Prachi (Research Fellow), Gallagher JC. Poster. Vitamin D administration and on calcium absorption in young women. Endocrine Society poster, 2014 2014
• Tella Sri (Research Fellow), Gallagher JC, Smith L. Poster - No significant change in Bone mineral density after vitamin D supplementation in young and elderly women. American Society Bone & Mineral Research, 2014. 2014
• Jindal P (Research Fellow), Gallagher JC, Smith L. Poster. Definition and determinants of a normal reference range for 24-hour urine calcium for Caucasian and African American women. American Society Bone and Mineral Research, 2013 2013
• Jindal P (Research Fellow), Gallagher JC, Smith L. Poster. Effect of vitamin d supplementation on calcium absorption in young women. American Society Bone and Mineral Research, 2013 2013
• Yalamanchili, Vinod (Research fellow) Gallagher JC. Poster prize, Dose Response Relationship between Vitamin D Supplementation and Calcium Absorption in Postmenopausal Women. Endocrine Society, 2012 2012
• Yalamanchili, Vinod (Research fellow), Gallagher JC. Oral presentation. Incidence of Hypercalciuria and Hypercalcemia during a Vitamin D Trial in Postmenopausal Women. Endocrine Society, 2012 2012

Awards

• Distinguished Career Research Awarrd
  2013 Recipient - The University Research Award is presented annually at the President's Convocation to recognize faculty for outstanding research and creative work
  Creighton University
• International Vitamin D Career Research Award
• Dietary Requirements for Vitamin D/Calcium
  Institute of Medicine Committee
  Institute of Medicine Committee