Vitamin D and Hereditary Haemorrhagic Telangiectasia

Summary

The study aims to assess whether supplementing vitamin D in patients diagnosed with Hereditary Haemorrhagic Telangiectasia (HHT) will decrease the frequency and severity of nosebleeds these patients experience. It is hypothesized that the larger the dose of daily vitamin D given to the patients, the less frequent and less severe the nosebleeds will be.

Timeline

Start

2018-07-16

Primary completion

2020-07-01

Completion

2020-09-01

Publications

• Background Govani FS, Shovlin CL. Hereditary haemorrhagic telangiectasia: a clinical and scientific review. Eur J Hum Genet. 2009 Jul;17(7):860-71. doi: 10.1038/ejhg.2009.35. Epub 2009 Apr 1.
• Background Shovlin CL, Guttmacher AE, Buscarini E, Faughnan ME, Hyland RH, Westermann CJ, Kjeldsen AD, Plauchu H. Diagnostic criteria for hereditary hemorrhagic telangiectasia (Rendu-Osler-Weber syndrome). Am J Med Genet. 2000 Mar 6;91(1):66-7. doi: 10.1002/(sici)1096-8628(20000306)91:13.0.co;2-p.
• Background Hoag JB, Terry P, Mitchell S, Reh D, Merlo CA. An epistaxis severity score for hereditary hemorrhagic telangiectasia. Laryngoscope. 2010 Apr;120(4):838-43. doi: 10.1002/lary.20818.
• Background Chamali B, Finnamore H, Manning R, Laffan MA, Hickson M, Whelan K, Shovlin CL. Dietary supplement use and nosebleeds in hereditary haemorrhagic telangiectasia - an observational study. Intractable Rare Dis Res. 2016 May;5(2):109-13. doi: 10.5582/irdr.2016.01019.
• Background Plauchu H, de Chadarevian JP, Bideau A, Robert JM. Age-related clinical profile of hereditary hemorrhagic telangiectasia in an epidemiologically recruited population. Am J Med Genet. 1989 Mar;32(3):291-7. doi: 10.1002/ajmg.1320320302.
• Background Al Mheid I, Patel R, Murrow J, Morris A, Rahman A, Fike L, Kavtaradze N, Uphoff I, Hooper C, Tangpricha V, Alexander RW, Brigham K, Quyyumi AA. Vitamin D status is associated with arterial stiffness and vascular dysfunction in healthy humans. J Am Coll Cardiol. 2011 Jul 5;58(2):186-92. doi: 10.1016/j.jacc.2011.02.051.
• Background Min B. Effects of vitamin d on blood pressure and endothelial function. Korean J Physiol Pharmacol. 2013 Oct;17(5):385-92. doi: 10.4196/kjpp.2013.17.5.385. Epub 2013 Oct 17.
• Background Weber LM, McDonald J, Whitehead K. Vitamin D levels are associated with epistaxis severity and bleeding duration in hereditary hemorrhagic telangiectasia. Biomark Med. 2018 Apr;12(4):365-371. doi: 10.2217/bmm-2017-0229. Epub 2018 Mar 14.
• Background Geisthoff UW, Nguyen HL, Roth A, Seyfert U. How to manage patients with hereditary haemorrhagic telangiectasia. Br J Haematol. 2015 Nov;171(4):443-52. doi: 10.1111/bjh.13606. Epub 2015 Jul 23.
• Background McDonald J, Bayrak-Toydemir P, Pyeritz RE. Hereditary hemorrhagic telangiectasia: an overview of diagnosis, management, and pathogenesis. Genet Med. 2011 Jul;13(7):607-16. doi: 10.1097/GIM.0b013e3182136d32.
• Background Reh DD, Yin LX, Laaeq K, Merlo CA. A new endoscopic staging system for hereditary hemorrhagic telangiectasia. Int Forum Allergy Rhinol. 2014 Aug;4(8):635-9. doi: 10.1002/alr.21339. Epub 2014 Apr 29.

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