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Randomized Trial of Alendronate Plus Vitamin D3 Versus Standard Care in Osteoporotic Postmenopausal Women with Vitamin D Insufficiency

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Abstract

Vitamin D insufficiency is common in patients with osteoporosis. We conducted a randomized trial comparing alendronate 70 mg combined with vitamin D3 5,600 IU in a single tablet (ALN/D5600, n = 257) with standard care chosen by the patients’ personal physicians (n = 258) in patients with postmenopausal osteoporosis (BMD T score ≤2.5 or ≤1.5 and a prior fragility fracture) who had vitamin D insufficiency (serum 25[OH]D values 8–20 ng/ml) and who were at risk of falls. Virtually all patients randomized to standard care received bisphosphonate therapy, and in approximately 70% of cases this was combined with vitamin D supplements. However, only 24% took ≥800 IU/day of supplemental vitamin D. At 6 months the proportion of patients with vitamin D insufficiency was 8.6% in the ALN/D5600 group compared with 31.0% in the standard care group (P < 0.001). Those in the ALN/D5600 group also had a greater reduction in urinary NTX/creatinine ratio (−57% vs. −46%, P < 0.001) and bone-specific alkaline phosphatase (−47% vs. −40%, P < 0.001). In the ALN/5600 group, by 12 months the increase in BMD was greater at the lumbar spine (4.9% vs. 3.9%, P = 0.047) and the total hip (2.2% vs. 1.4%, P = 0.035), significantly fewer patients were vitamin D—insufficient (11.3% vs. 36.9%, P < 0.001), and bone turnover marker (BTM) results were similar to those at 6 months. There was no difference between groups in those who experienced falls or fractures, and adverse events were similar. Based on the finding that ALN/D5600 was more effective than standard care at correcting vitamin D insufficiency, increasing BMD, and reducing BTMs in this patient group, greater attention needs to be directed toward optimizing the treatment of osteoporosis and correcting vitamin D deficiency in postmenopausal women.

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Correspondence to Stuart H. Ralston.

Additional information

This study was sponsored by Merck. S. Ralston has received consultancy fees from Merck Sharp & Dohme, a subsidiary of Merck & Co., Inc. N. Binkley has received consultancy fees from Merck Sharp & Dohme, a subsidiary of Merck & Co., Inc. S. Boonen has received research grants and consultancy fees from Merck Sharp & Dohme, a subsidiary of Merck & Co., Inc. D. Kiel has received research grants and consultancy fees from Merck Sharp & Dohme, a subsidiary of Merck & Co., Inc. J. Reginster has received consultancy fees from Merck Sharp & Dohme, a subsidiary of Merck & Co., Inc. C. Roux received honoraria and/or lecture fees and/or research grants from Merck Sharp & Dohme, a subsidiary of Merck & Co., Inc. L. Chen, E. Rosenberg, and A. Santora are employees of Merck & Co., Inc. and may own stock in the company.

Appendix: FOCUS-D Investigators

Appendix: FOCUS-D Investigators

Tara Coughlan, Adelaide & Meath Hospital, Dublin, Ireland; Asma Arabi, American University of Beirut Medical Center, Beirut, Lebanon; Ayse Kucukdeveci, Ankara University, Ankara, Turkey; Naren Savani, Batchworth House Mount Vernon Hospital, Middlesex, UK; Rasa Kausiene, Bendrosios terapijos skyrius, Siauliai, Lithuania; Bruno Pornel, Brussels Menopause Center, Brussels, Belgium; Tom Price, Cannock Chase Hospital, Staffordshire, UK; Claude-Laurent Benhamou, Centre Hop Porte Madeleine, Orleans, France; Maria Aguilar, Centro de Diagnostico Medicont S.A. de C.V., Nezahualcoyotl, Mexico; Mauricio Abello, Centro Integral de Reumatologia del Caribe, Barranquilla, Atlantico, Colombia; Elgardo Tobias, Centro Integral de Reumatologia e Inmunologia, Bogota, Cundinamarca, Colombia; Nadeem Rais, Chowpatty Medical Center, Mumbai, Maharashtra, India; Olga Ershova, Clinical Hospital for Emergency Care n.a. Soloviev, Yaroslavl, Russian Federation; Rene Martz, Clinical Research Hamburg, Hamburg, Germany; Sultan Linjawi, Coffs Endocrine & Diabetes Services, Coffs Harbour, NSW, Australia; Stuart Kramer, Danville Orthopedic Clinic, Danville, VA, USA; Jesus Walliser, Eentro Walliser de Osteoporosis y Metabolismo Mineral, Veracruz, Mexico; Simin Hepguler, Ege University, Bornova, Turkey; Jeffrey Gimble, Family Health Center, Baton Rouge, LA, USA; Olga Lesnyak, Family Medicine Clinic of Ural State Medical Academy, Ekaterinburg, Russian Federation; Philippe Chalem, Fundacion Instituto de Reumatologia Fernando Chalem, Bogota, Colombia; Jose Aramburu, H. de Basurto, Bilbao, Vizaya, Spain; Joseph Foldes, Hadassah Har-Hatzofim Medical Center, Jerusalem, Israel; Yasser Yaghi, Hammoud Hospital, Saida South, Lebanon; Christian Roux, Hopital Cochin, Paris, France; Carlos Abud, Hospital Central Dr. Ignacio Morones Prieto, San Luis Potosi, Mexico; Manuel Muñoz Torres, Hospital Clinico San Cecilio, Granada, Spain; Gilberto González, Hospital Clinico Universidad Catolica de Chile, Santiago, Chile; Georges Weryha, Hospital de Brabois, Vandoeuvre les Nancy, France; Emilio Martín Mola, Hospital Universitario La Paz, Madrid, Spain; Marina Shargordsky, Hypertension Clinic Wolfson Medical Center, Holon, Israel; Neeta Patel Inkosi Albert Luthuli Hospital, Durban, South Africa; Kurt Lippuner, Inselspital–Poliklinik für Osteoporose, Bern, Switzerland; Ruediger Moericke, Institut für Praventive Medizin & Klinische Forschung, Magdeburg, Germany; Basel Masri, Jordan Hospital, Amman, Jordan; Inguta Stura, Juglas Medicinas Centrs, Riga, Latvia; Robert Theiler, Klinik für Rheumatologie und Rehabilitation Stadtsp., Zurich, Switzerland; Nigar Dursun, Kocaeli University, Kocaeli, Turkey; Vincent Thompson, Libra Clinical Research Associates, Brick, NJ, USA; Dac Andersone, Liepajas Metalurga Poliklinika, Liepaja, Latvia; Mark Arya, Maroubra Medical Centre, Maroubra, NSW, Australia; Carl-Peter Anderberg, Me3Plus Clinical Trials AB, Goteborg, Sweden; Michael Pfeifer, MEDWISS Bad Pyrmont, Bad Pyrmont, Germany; Hugo Goldstraj, Multispecialty Medical Center, North Miami Beach, FL, USA; Vidmantas Alekna, Nacionalinis Osteoporozes Centras, Vilnius, Lithuania; Bram Wieskopf, North Georgia Clinical Research, Woodstock, GA, USA; Tobias De Villiers, Panorama Medi Clinic, Parow, Western Cape, South Africa; Salvatore Minisola, Policlinico Umberto I Sapienza University of Rome, Rome, Italy; Jean-Yves Reginster, Polyclinique L. Brull-Exploration de l’Os et du Cartilage, Liège, Belgium; Klaus Heil, Praxis Dr. Klaus Heil, Tuttlingen, Germany; Volkmar Herkt, Praxis Dr. Volkmar Herkt, Dresden, Germany; Jane Rohlf, Premier Research, Trenton, NJ, USA; Albert De Weerd, Pretoria East Private Hospital, Gauteng, South Africa; Sophia Ish-Shalom, Rambam Medical Center, Haifa, Israel; Loreta Bukauskiene, Reumatologijos skyrius, Klaipeda, Lithuania; Lidia Benevolenskaya, Research Institute of Rheumatology, Moscow, Russian Federation; Ruben Mantilla, Riesgo de Feractura S.A., Bogota, Cundinamarca, Colombia; Anthony Woolf, Royal Cornwall Hospitals NHS Trust, Cornwall, UK; William Otero, SERVIMED Bucaramanga, Santander, Colombia; Savithree Nayiager, St. Augustine’s Hospital, Kwazulu Natal, South Africa; Bernard Walsh, St. James’ Hospital–Robert Mayne Day Hospital, Dublin, Ireland; Stephen Newman, Brick, NJ, USA; Nitin Bagul, Synexus Lancashire Clinical Research Centre, Lancashire, UK; Essam Abdulhakim, Synexus Ltd. Merseyside Clinical Research Centre, Liverpool, UK; Shilpa Govindraj, Synexus Manchester Clinical Research Centre, Manchester, UK; Rex Sarmiento Synexus Midlands Clinical Research Centre, Birmingham, UK; Rahul Ellahbadi, Synexus Scotland Clinical Research Centre, Glasgow, UK; Hilary Shaw, Synexus Thames Valley Clinical Research, Berkshire, UK; Hawys Thomas, Synexus Wales Clinical Research Centre, Cardiff, UK; Stanley Lipschitz, The Memory Centre, Johannesburg, South Africa; Sergio Gutierrez, Torre de Especialidades–Ant Hosp. Civil de Gdl, Guadalajara, Mexico; Neil Binkley, University of Wisconsin, Madison, WI, USA; Stuart Ralston, Western General Hospital, Edinburgh, UK; Michael Davey, Westville Hospital, Durban, South Africa; Renato Lauro, Azienda Ospedaliera Universitaria, Rome, Italy; Hector Rodriguez, Central Medical & Therapy Center, Miami, FL, USA; Muataz Al-Ramahi, Jordan University Hospital, Amman, Jordan.

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Ralston, S.H., Binkley, N., Boonen, S. et al. Randomized Trial of Alendronate Plus Vitamin D3 Versus Standard Care in Osteoporotic Postmenopausal Women with Vitamin D Insufficiency. Calcif Tissue Int 88, 485–494 (2011). https://doi.org/10.1007/s00223-011-9482-4

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