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At least 163 records · Page 9Linked to original sources

Transplantation osteoporosis and corticosteroid-induced osteoporosis in autoimmune diseases: experience with alfacalcidol.

The effect of alfacalcidol therapy on bone mineral density at the spine and proximal femur was evaluated in 112 transplant recipients (59 heart, 26 liver and 27 lung); 45 transplant cases served as controls (included in a randomised way in a placebo group) and in 42 rheumatoid arthritis cases. Liver and lung transplantation cases had before transplantation a lower bone density at the spine and femur compared to heart transplant cases. Heart transplant cases lost considerably more bone immediately after transplantation than liver and lung transplant recipients. A positive effect of 2 years alfacalcidol treatment (0.5-1 microgram/day) on bone loss was observed in all treated groups. Alfacalcidol was particularly effective against trabecular bone loss at the spine in rheumatoid arthritis patients and transplant recipients. There is a manifest difference in evolution between organ transplant groups and bone sites measured. Liver and lung transplant recipients respond better to therapy than cardiac recipients.

Adjuvants, Immunologic↗

RETRACTED: Comparative efficacy of hormone replacement therapy, etidronate, calcitonin, alfacalcidol, and vitamin K in postmenopausal women with osteoporosis: The Yamaguchi Osteoporosis Prevention Study.

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Editor in Chief because of the stated concerns listed below. This article was accepted for publication by a previous editor and editorial board, at a time when submissions and documentation were in paper form, prior to the transition of The American Journal of Medicine to a digital submission and review process. These records are no longer extant and consequently we are unable to review the comments of the reviewers and editors involved at that time. We have attempted to contact the authors regarding these concerns and received no response. We are therefore retracting this article since the evidence presented below strongly argues for scientific misconduct. The integrity of these publications is severely compromised by wide-ranging and serious concerns about governance, ethics, authorship, implausible study conduct, implausible workload, discrepant participant numbers and treatment groups, impossible data, implausible data, implausible outcome data, and discrepant methodology.

Adjuvants, Immunologic↗