John C. Gallagher, MD

Adjunct Professor

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Contact

School of Medicine
Department of Medicine
Endocrinology
Fellowship - endocrinology

John C. Gallagher, MD

Adjunct Professor

Research Focus

Vitamin D, Estrogen treatment

Department

Medicine

Position

Adjunct Professor

Book, Chapter/Section

  • Vitamin D - Biochemical, Chemical and Clinical Aspects Related to Calcium Metabolism
    Riggs B. L, Gallagher J. C, Evidence for Bihormonal Deficiency State (Estrogen and 1,25-Dihydroxyvitamin D) in Patients with Postmenopausal Osteoporosis [Book Chapter] 2020
  • Vitamin D - Chemical, Biochemical and Clinical Endocrinology of Calcium Metabolism: Proceedings of the Fifth Workshop on Vitamin D, Williamsburg, VA, USA February, 1982
    Riggs B. L., Zinsmeister A. R., Gallagher John, DeLuca H. F., et al. , Osteoporosis [Book Chapter] 1982

General

  • Gallagher J. Christopher, Rosen Clifford, Institute of Medicine responds. Fall prevention with vitamin D. 2011
  • Gallagher J. Chris, Sai Adarsh J., Vitamin D insufficiency, deficiency, and bone health 2010
  • Aaron J., Gallagher J. C.G., Nordin B. E.C., Osteomalacia 1974

Articles

  • Gallagher J. Chris, Vitamin D and respiratory infections 2021
  • Pfeilschifter Johannes, Häussler B., Gothe H., Gallagher J. C., et al. , Osteoporose-Update 1/2007 2007
  • Rapuri Prema B., Gallagher J. Christopher, Haynatzki Gleb, Erratum 2005
  • Kinyamu H. K., Gallagher J. C., Balhorn K. E., Petranick K. M., Rafferty K. A., Erratum 1997
  • Gallagher J. C., Riggs B. L., Calcitriol for postmenopausal osteoporosis 1989

Publications

  • Frontiers in endocrinology (Lausanne)
    Gallagher J. C., Mazess Richard, Efficacy and safety of doxercalciferol (1α hydroxyvitamin D2) on spine and femur bone mineral density in postmenopausal osteopenic women
    17 2026
  • Journal of bone and mineral research
    LeBoff Meryl S, Cook Nancy R, Chou Sharon H, Ratnarajah Dana M, Cawthon Peggy M, Khurana Bharti, Kim Eunjung, Kotler Gregory, Gallagher J Christopher, Bauer Douglas C, Black Dennis, Lee I-Min, Buring Julie E, Manson JoAnn E, The Effects of Marine Fatty Acid Omega-3 Supplements on Incident Fractures and Bone Mineral Density in Generally Healthy Adults 2026
  • Annals of joint
    Lei Sha, et al. , Zhang Xiaoya, Song Lige, Gallagher John C., Expert consensus on vitamin D in osteoporosis
    10, p. 1 - 1 2025
  • European Journal of Nutrition
    Cashman Kevin D., et al. , Kiely Mairead E., Gallagher J. Christopher, Andersen Rikke, Individual participant data (IPD)-level meta-analysis of randomised controlled trials to estimate the vitamin D dietary requirements in dark-skinned individuals resident at high latitude 2021
  • Clinical Trials
    Plante Timothy B., Gleason Kelly T., Gallagher J. C., Miller Hailey N., et al. , Recruitment of trial participants through electronic medical record patient portal messaging
    17:1, p. 30 - 38 2020
  • Menopause
    Gallagher John Christopher, Sodas and colas are associated with an increase in fractures
    26:11, p. 1229 - 1231 2019
  • Yearbook of Paediatric Endocrinology
    HS Taylor, et al. , LC Giudice, BA Lessey, JC Gallagher, Treatment of Endometriosis-Associated Pain with Elagolix, an Oral GnRH Antagonist, p. 28 - 40 2018
  • Journal of Clinical Endocrinology and Metabolism
    Schwartz Janice B., Jorde Rolf, et al. , Christopher Gallagher J., 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
  • Obstetrics and gynecology (New York. 1953)
    Surrey Eric, Giudice Linda, Gallagher J. Chris, et al. , Taylor Hugh S., Long-Term Outcomes of Elagolix in Women With Endometriosis
    132:1, p. 147 - 160 2018
  • Menopause
    Christopher Gallagher J., 2018 NAMS/Pfizer - Wulf H. Utian endowed lecture
    25:12, p. 1403 - 1417 2018
  • Endocrinology and Metabolism Clinics of North America
    Smith Lynette M., Gallagher J. Christopher, Dietary Vitamin D Intake for the Elderly Population
    46:4, p. 871 - 884 2017
  • New England Journal of Medicine
    Taylor H. S., Gallagher J. Christopher, Giudice L. C., Lessey B. A., et al. , Treatment of Endometriosis-Associated Pain with Elagolix, an Oral GnRH Antagonist
    377:1, p. 28 - 40 2017
  • Maturitas
    Labrie F., Bouchard C., Archer D. F., Gallagher J. Christopher, et al. , Prasterone has parallel beneficial effects on the main symptoms of vulvovaginal atrophy: 52-week open-label study
    81:1, p. 46 - 56 2015
  • European Journal of Clinical Pharmacology
    Tella Sri Harsha, Gallagher J. Christopher, Biological agents in management of osteoporosis
    70:11, p. 1291 - 1301 2014
  • Journal of Clinical Endocrinology and Metabolism
    Kaufmann Martin, Gallagher J. Christopher, Peacock Munro, Schlingmann Karl-Peter, Jones Glenville, et al. , Clinical utility of simultaneous quantitation of 25-hydroxyvitamin D and 24,25-dihydroxyvitamin D by LC-MS/MS involving derivatization with DMEQ-TAD
    99:7, p. 2567 - 2574 2014
  • Osteoporosis International
    Brouwer-Brolsma E. M., Bouillon R., Gallagher C. J., et al. , Bischoff-Ferrari H. A., Vitamin D
    24:5, p. 1567 - 1577 2013
  • Obstetrical and Gynecological Survey
    Rosen C. J., et al. , Gallagher J. Christopher, Abrams S. A., Aloia J. F., IOM Committee Members Respond to Endocrine Society Vitamin D Guideline: Editorial Comment
    67:8, p. 479 - 480 2012
  • Journal of Clinical Endocrinology and Metabolism
    Rosen Clifford J., Gallo Richard L., Abrams Steven A., Aloia John F., Brannon Patsy M., Clinton Steven K., Durazo-Arvizu Ramon A., Gallagher J. Christopher, Jones Glenville, Ross A. Catharine, Shapses Sue A., Taylor Christine L., Mayne Susan T., Kovacs Christopher S., Manson Jo Ann E., IOM committee members respond to endocrine society vitamin D guideline
    97:4, p. 1146 - 1152 2012
  • Annals of Allergy, Asthma and Immunology
    Lewis Elena, Fernandez Cristina, Nella Aikaterini, Hopp Russell, Gallagher J. Christopher, Casale Thomas B., Relationship of 25-hydroxyvitamin D and asthma control in children
    108:4, p. 281 - 282 2012
  • Annals of internal medicine
    Christopher Gallagher J., Sai Adarsh, Templin Thomas, Smith Lynette, Dose response to vitamin D supplementation in postmenopausal women a randomized trial
    156:6, p. 425 - 437 2012
  • Obstetrical & Gynecological Survey
    Gallagher J. Christopher, Templin Thomas,,II, Smith Lynette, Sai Adarsh, Dose Response to Vitamin D Supplementation in Postmenopausal Women: A Randomized Trial - Editorial Comments
    67:7, p. 409 - 410 2012
  • Annals of Allergy, Asthma, & Immunology
    Lewis Elena, Fernandez Cristina, Casale Thomas B., Gallagher J. Christopher, Nella Aikaterini, Hopp Russell J., Relationship of 25-hydroxyvitamin D and asthma control in children
    108:4, p. 281 - 282 2012
  • Menopause
    Karim Roksana, Dell Richard M., Greene Denise F., Gallagher J. Christopher, Hodis Howard N., MacK Wendy J., Hip fracture in postmenopausal women after cessation of hormone therapy
    18:11, p. 1172 - 1177 2011
  • Menopause
    Sai Adarsh J., Fang Xiang, Gallagher J. Christopher, Effect of hormone therapy and calcitriol on serum lipid profile in postmenopausal older women
    18:10, p. 1101 - 1112 2011
  • Menopause
    Clarkson Thomas B., et al. , Utian Wulf H., Barnes Stephen, Gallagher J. Chris, The role of soy isoflavones in menopausal health
    18:7, p. 732 - 753 2011
  • Journal of the American Dietetic Association
    Ross A. Catharine, Manson Joann E., Abrams Steven A., Gallagher J. Christopher, et al. , The 2011 Dietary Reference Intakes for Calcium and Vitamin D
    111:4, p. 524 - 527 2011
  • Journal of Bone and Mineral Research
    Deluca Hector F., Bedale Wendy, Binkley Neil, Gallagher J. Chris, Bolognese Michael, Peacock Munro, Aloia John, Clagett-Dame Margaret, Plum Lori, The vitamin D analogue 2MD increases bone turnover but not BMD in postmenopausal women with osteopenia
    26:3, p. 538 - 545 2011
  • Journal of Clinical Endocrinology and Metabolism
    Sai Adarsh J., Gallagher J. Christopher, Walters Ryan W., Fang Xiang, Relationship between Vitamin D, Parathyroid Hormone, and Bone Health
    96:3, p. E436 - E446 2011
  • Journal of Bone and Mineral Research
    DeLuca Hector F., Peacock Munro, Bedale Wendy, Binkley Neil, Gallagher J. Christopher, Bolognese Michael, Aloia John, Clagett-Dame Margaret, Plum Lori, 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
  • BMJ. British Medical Journal
    Gallagher J. Christopher, Rosen C., Institute of Medicine responds
    342, p. d4046 2011
  • Journal of Pediatric Gastroenterology and Nutrition
    Benchimol Eric I., Rauch Frank, Ward Leanne M., Gallagher J. C., Barrowman Nick, Warren Jaime, Beedle Susan, Mack David R., Effect of calcium and vitamin D supplementation on bone mineral density in children with inflammatory bowel disease
    45:5, p. 538 - 545 2007
  • Journal of Steroid Biochemistry and Molecular Biology
    Rapuri Prema B., Gallagher J. C., Nawaz Zafar, Caffeine decreases vitamin D receptor protein expression and 1,25(OH)2D3 stimulated alkaline phosphatase activity in human osteoblast cells
    103:3-5, p. 368 - 371 2007
  • Journals of Gerontology - Series A Biological Sciences and Medical Sciences
    Rapuri Prema B., Gallagher J. Christopher, Smith Lynette M., Smoking is a risk factor for decreased physical performance in elderly women
    62:1, p. 93 - 100 2007
  • Human Reproduction
    Stevenson John C., et al. , Birkhäuser Martin, Brincat Mark, Gallagher J. Christopher, HRT, osteoporosis and regulatory authorities Quis custodiet ipsos custodes?
    21:7, p. 1668 - 1671 2006
  • Menopause
    Ettinger B., et al. , Harris S. T., Kendler D., Gallagher J. Christopher, Management of osteoporosis in postmenopausal women: 2006 position statement of The North American Menopause Society
    13:3, p. 340 - 367 2006
  • Maturitas
    Rapuri P. B., Gallagher J. C., Knezetic J. A., Haynatzka V., Estrogen receptor alpha gene polymorphisms are associated with changes in bone remodeling markers and treatment response to estrogen
    53:4, p. 371 - 379 2006
  • Contraception (Stoneham)
    Archer D F, Gallagher J C, DMPA-SC 104 has significantly less impact on bone mineral density than leuprolide acetate in patients with endometriosis
    72:3, p. 237 - 237 2005
  • Osteoporosis International
    Lindsay Robert, Kleerekoper Michael, Pickar James H., Gallagher J. Christopher, Bone response to treatment with lower doses of conjugated estrogens with and without medroxyprogesterone acetate in early postmenopausal women
    16:4, p. 372 - 379 2005
  • 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
  • Journal of Steroid Biochemistry and Molecular Biology
    Rapuri Prema B., Gallagher J. Christopher, Knezetic Joseph A., Kinyamu H. K., Ryschon K. L., 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 Clinical Endocrinology and Metabolism
    Christopher Gallagher J., Detter Jeff R., Rapuri Prema B., Haynatzki Gleb, Effect of discontinuation of estrogen, calcitriol, and the combination of both on bone density and bone markers
    87:11, p. 4914 - 4923 2002
  • Menopause
    Gallagher J. Christopher, Ettinger Bruce, Gass Margery L.S., Kagan Risa, McClung Betsy L., McClung Michael R., Simon James A., Management of postmenopausal osteoporosis
    9:2, p. 84 - 101 2002
  • Journal of Clinical Endocrinology and Metabolism
    Gallagher J. C., McClung Michael, Baylink David J., Freeman Ruth, Prevention of bone loss with tibolone in postmenopausal women
    86:10, p. 4717 - 4726 2001
  • Rheumatic Disease Clinics of North America
    Gallagher J. C., Role of estrogens in the management of postmenopausal bone loss
    27:1, p. 143 - 162 2001
  • Menopause
    Simon James A., Marcadis A., Gallagher J. C., Symons James P., et al. , Unscheduled bleeding during initiation of continuous combined hormone replacement therapy
    8:5, p. 321 - 327 2001
  • Menopause
    Utian Wulf H., Gass Margery L.S., Sullivan Jay M., Stettin Glen D., Gallagher J. C., Ettinger Bruce, Lewis Sandra, A decision tree for the use of estrogen replacement therapy or hormone replacement therapy in postmenopausal women
    7:2, p. 76 - 86 2000
  • American Journal of Clinical Nutrition
    Kinyamu H. Karimi, Rafferty Karen A., Gallagher J. Christopher, Balhorn Kurt E., Petranick Kimberly M., Serum vitamin D metabolites and calcium absorption in normal young and elderly free-living women and in women living in nursing homes
    65:3, p. 790 - 797 1997
  • Journal of Rheumatology
    Gallagher J. Christopher, The role of vitamin D in the pathogenesis and treatment of osteoporosis
    23:SUPPL. 45, p. 15 - 18 1996
  • Radiology
    Laya Mary B., Gallagher J. Chris, Weinstein Louis, Watson Patrice, Schreiman Judith S., Larson Eric B., Effect of postmenopausal hormonal replacement therapy on mammographic density and parenchymal pattern
    196:2, p. 433 - 437 1995
  • Menopause
    Petranick K., Buchanan M., Gallagher J. C., Wilson M., Long-term estrogen maintains bone mineral density
    2:4, p. 268 - 269 1995
  • Aktuelle Rheumatologie
    Gallagher J. C., Vitamin-D-Metabolismus und Osteoporosebehandlung
    19, p. 31 - 34 1994
  • Osteoporosis International
    Gallagher J. C., Prevention of bone loss in postmenopausal and senile osteoporosis with vitamin D analogues
    3:1 Supplement, p. 172 - 175 1993
  • Seminars in Reproductive Endocrinology
    Gallagher J. C., Effect of gonadotropin-releasing hormone agonists on bone metabolism
    11:2, p. 201 - 208 1993
  • Southern Medical Journal
    Gallagher J. C., Vitamin D metabolism and therapy in elderly subjects
    85, p. 2S - 43 1992
  • Seminars in Nephrology
    Gallagher J. C., Pathophysiology of osteoporosis
    12:2, p. 109 - 115 1992
  • Archives of Internal Medicine
    Harris Steven T., Baylink David J., Genant Harry K., Gallagher J. Christopher, Karp Sherry Katz, Mcconnell Maureen A., Green Elizabeth M., Stoll Ralph W., The Effects of Estrone (Ogen) on Spinal Bone Density of Postmenopausal Women
    151:10, p. 1980 - 1984 1991
  • Journal of Orthopaedic and Sports Physical Therapy
    Molczyk L., Goldgar D., Gallagher J. C., Thigpen L. K., Eickhoff J., Reliability of testing the knee extensors and flexors in healthy adult women using a Cybex II isokinetic dynamometer
    14:1, p. 37 - 41 1991
  • Bone and mineral
    Gallagher J. C., The pathogenesis of osteoporosis
    9:3, p. 215 - 227 1990
  • Metabolism
    Gallagher J. C., Riggs B. L., Action of 1,25-dihydroxyvitamin D3 on calcium balance and bone turnover and its effect on vertebral fracture rate
    39:4 SUPPL. 1, p. 30 - 34 1990
  • Illumina Biological Content - unstructured
    Gallagher J, Riggs B, Action of 1,25-dihydroxyvitamin D sub(3) on calcium balance and bone turnover and its effect on vertebral fracture rate 1990
  • Journal of Reproductive Medicine for the Obstetrician and Gynecologist
    Kable W. T., Nachtigall L., Goldgar D., Gallagher J. C., Lipid changes after hormone replacement therapy for menopause
    35:5, p. 512 - 518 1990
  • American Journal of Obstetrics and Gynecology
    Mazess Richard B., Schiff Isaac, Gallagher J. Chris, Notelovitz Morris, Utian Wulf, Monitoring skeletal response to estrogen
    161:4, p. 843 - 848 1989
  • Journal of Bone and Mineral Research
    Hedlund L. Rune, Gallagher J. C., Increased incidence of hip fracture in osteoporotic women treated with sodium fluoride
    4:2, p. 223 - 225 1989
  • Bone and mineral
    Hedlund L. R., Gallagher J. C., Vertebral morphometry in diagnosis of spinal fractures
    5:1, p. 59 - 67 1988
  • Journal of Reproductive Medicine for the Obstetrician and Gynecologist
    Bewtra C., Kable W. T., Gallagher J. C., Endometrial histology and bleeding patterns in menopausal women treated with estrogen and continuous or cyclic progestin
    33:2, p. 205 - 208 1988
  • Bone and Mineral
    Gallagher J. C., Hedlund L. R., Stoner S., Meeger C., Vertebral morphometry
    4:2, p. 189 - 196 1988
  • Proceedings of the National Academy of Sciences of the United States of America
    Gallagher J. C., Jerpbak C. M., Jee W. S.S., Johnson K. A., DeLuca H. F., Riggs B. L., 1,25-Dihydroxyvitamin D3
    79:10 I, p. 3325 - 3329 1982
  • Unknown Journal
    Parfitt A. M., Gallagher J. C., Heaney R. P., Johnston C. C., Neer R., Whedon G. D., Vitamin D and bone health in the elderly
    36:5 Suppl., p. 1014 - 1031 1982
  • Journal of Clinical Endocrinology and Metabolism
    Gallagher J. C., Riggs B. Lawrence, Deluca Hector F., Effect of estrogen on calcium absorption and serum vitamin D metabolites in postmenopausal osteoporosis
    51:6, p. 6 - 1364 1980
  • The Journal of Laboratory and Clinical Medicine
    Gallagher J. C., Riggs B. Lawrence, Jerpbak Christine M., Arnaud Claude D., The effect of age on serum immunoreactive parathyroid hormone in normal and osteoporotic women
    95:3, p. 373 - 385 1980
  • Clinical Orthopaedics and Related Research
    Owen R. A., Melton L. J., Gallagher J. C., Riggs R. L., The national cost of acute care of hip fractures associated with osteoporosis
    NO. 150, p. 172 - 176 1980
  • Journal of Clinical Investigation
    Gallagher J. C., Eisman J., Hamstra A., Arnaud S. B., DeLuca H. F., Riggs B. L., Intestinal calcium absorption and serum vitamin D metabolites in normal subjects and osteoporotic patients. Effect of age and dietary calcium
    64:3, p. 729 - 736 1979
  • Calcified Tissue International
    Aaron J. E., Gallagher J. C., Nordin B. E.C., The response to vitamin D of histological osteomalacia in femoral-neck fractures
    27:SUPPL., p. No.2 1979
  • Mayo Clinic Proceedings
    Riggs B. L., Gallagher J. C., DeLuca H. F., Edis A. J., Lambert P. W., Arnaud C. D., A syndrome of osteoporosis, increased serum immunoreactive parathyroid hormone, and inappropriately low serum 1,25-dihydroxyvitamin D
    53:11, p. 701 - 706 1978
  • New England Journal of Medicine
    Gallagher J. C., Riggs B. Lawrence, Nutrition and Bone Disease
    298:4, p. 193 - 195 1978
  • British Medical Journal
    Horsman A., Nordin B. E.C., Gallagher J. C., Simpson M., Prospective trial of oestrogen and calcium in postmenopausal women
    2:6090, p. 789 - 792 1977
  • Unknown Journal
    Klein R. G., Deluca H. F., Arnaud S. B., Gallagher J. C., Riggs B. L., Intestinal calcium absorption in exogenous hypercortisonism. Role of 25 hydroxyvitamin D and corticosteroid dose
    60:1, p. 253 - 259 1977
  • Calcified Tissue Research
    Marshall D. H., Gallagher J. C., Guha P., Hanes F., Oldfield W., Nordin B. E.C., The effect of 1 α-hydroxycholecalciferol and hormone therapy on the calcium balance of post-menopausal osteoporosis
    22:1 Supplement, p. 78 - 84 1976
  • Clinical Research
    Gallagher J. C., Riggs B. L., Eisman J., Impaired production of 1,25 dihydroxyvitamin D in postmenopausal osteoporosis
    24:4, p. 580A 1976
  • Clinical Research
    Klein R. G., Arnaud S. B., Gallagher J. C., Intestinal calcium absorption in exogenous hypercortisonism
    24:4, p. 528A 1976
  • Frontiers of hormone research
    Davies T., McNicol G. P., Fieldhouse G., Gallagher J. C., Nordin B. E., A comparison of the effects of oestriol succinate and ethinyl oestradiol on blood coagulation, platelet function and fibrinolysis in post-menopausal women.
    3, p. 185 - 198 1975
  • Calcified Tissue Research
    Nordin B. E.C., Peacock M., Wilkinson R., Marshall D. H., Gallagher J. C., Williams A., Calcium absorption in the elderly
    21:1, p. 442 - 451 1975
  • British Medical Journal
    Robertson W. G., Marshall D. H., Peacock M., Nordin B. E.C., Gallagher J. C., Seasonal Variations in Urinary Excretion of Calcium
    4:5942, p. 436 - 437 1974
  • The Lancet
    Aaron J. E., Gallagher J. C., Nordin B. E.C., Seasonal Variation of Histological Osteomalacia in Femoral-Neck Fractures
    304:7872, p. 84 - 85 1974
  • The Lancet
    Peacock M., Nordin B. E.C., Gallagher J. C., Action of 1α-hydroxy Vitamin D3 on Calcium Absorption and Bone Resorption in Man
    303:7854, p. 385 - 389 1974
  • The Lancet
    Aaron J. E., Stasiak L., Gallagher J. C., Longton E. B., Nicholson M., Anderson J., Nordin B. E.C., Frequency of Osteomalacia and Osteoporosis in Fractures of the Proximal Femur
    303:7851, p. 229 - 233 1974
  • Clinics in Endocrinology and Metabolism
    Gallagher J. C., Marshall D. H., Wilkinson R., Horsman A., Nordin B. E.C., Aaron J., The crush fracture syndrome in postmenopausal women
    2:2, p. 293 - 315 1973
  • Clinical Science and Molecular Medicine
    Gallagher J. C., Wilkinson R., The effect of ethinyloestradiol on calcium and phosphorus metabolism of post menopausal women with primary hyperparathyroidism
    45:6, p. 785 - 802 1973
  • Clinical Endocrinology
    GALLAGHER J. C., YOUNG M. M., NORDIN B. E.C., Effects of Artificial Menopause on Plasma and Urine Ccalcium and Phosphate
    1:1, p. 57 - 64 1972
  • The Lancet
    Bullamore J. R., Wilkinson R., Gallagher J. C., Nordin B. E.C., Marshall D. H., Effect of Age on Calcium Absorption
    296:7672, p. 535 - 537 1970