2009
DOI: 10.1111/j.1751-553x.2008.01115.x
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Oral cobalamin (vitamin B12) treatment. An update

Abstract: . Data from our working group, the 'Groupe d'étude des carences en vitamine B 12 des Hôpitaux Universitaires de Strasbourg', have also been included. Several prospective studies in well-determined population (n = 4), prospective randomized studies (n = 3) and a systematic review by the Cochrane group (n = 1) provide evidence that oral cobalamin therapy may adequately treat cobalamin deficiency, particularly hematological abnormalities or manifestations. These studies suggest that at least 1000 lg/day of oral c… Show more

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Cited by 45 publications
(49 citation statements)
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“…Thus, at least since the early'90s, the usefulness of oral cobalamin treatment in PA has been debated [42,43]. According to a systematic review conducted by French hematologists [44], several prospective studies (n=4), prospective randomized studies (n=3) and a systematic review by the Cochrane group (n=1) provide evidence that oral cobalamin therapy may adequately treat cobalamin deficiency, particularly hematological abnormalities or manifestations. These studies suggest that at least 1,000 μg/day of oral cyanocobalmin are needed for pernicious anemia and a mean daily dose of 250 μg for food-cobalamin malabsorption, confirming the previously reported efficacy of oral cobalamin treatment in adult and elderly patients.…”
Section: Treatment Of Cobalamin Deficiency and Monitoring Of Iron Defmentioning
confidence: 99%
“…Thus, at least since the early'90s, the usefulness of oral cobalamin treatment in PA has been debated [42,43]. According to a systematic review conducted by French hematologists [44], several prospective studies (n=4), prospective randomized studies (n=3) and a systematic review by the Cochrane group (n=1) provide evidence that oral cobalamin therapy may adequately treat cobalamin deficiency, particularly hematological abnormalities or manifestations. These studies suggest that at least 1,000 μg/day of oral cyanocobalmin are needed for pernicious anemia and a mean daily dose of 250 μg for food-cobalamin malabsorption, confirming the previously reported efficacy of oral cobalamin treatment in adult and elderly patients.…”
Section: Treatment Of Cobalamin Deficiency and Monitoring Of Iron Defmentioning
confidence: 99%
“…The partial nature of this form of malabsorption might produce a more slowly progressive depletion of cobalamin stores compared with that seen with the more complete malabsorption engendered by disruption of intrinsic-factor-mediated absorption. This explains why the required treatment dose of oral cobalamin may be lower in food-cobalamin malabsorption than in pernicious anemia [8].…”
Section: Cobalamin Metabolim and Deficienciesmentioning
confidence: 99%
“…In cases of cobalamin deficiency other than those caused by nutritional deficiency, alternative routes of cobalamin administration have been used with good effect such as via the oral [3,8] and nasal passages [13,14]. These other routes of administration have been proposed as a way of avoiding the discomfort, inconvenience and cost of monthly injections [8].…”
Section: Oral Vitamin B12 Treatmentmentioning
confidence: 99%
“…Mangel på vitamin B 12 kan skyldes for lavt innhold i kosten (feilernaering, vegetarkost), for lite intrinsisk faktor eller saltsyre (antistoffer mot intrinsisk faktor eller parietalceller, atrofisk gastritt, bruk av syrehemmere, ventrikkelreseksjon eller gastrisk bypass) eller redusert absorpsjon i ileum (sykdom eller reseksjon av ileum, interaksjon med legemidler) (2,3). De vanligste årsaker til B 12 -mangel hos eldre er pernisiøs anemi (20 -30 %) og malabsorpsjon (50 -70 %) (3).…”
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