Vitamin D Supplementation and Male Infertility: The CBG-study a Randomized Clinical Trial
|ClinicalTrials.gov Identifier: NCT01304927|
Recruitment Status : Completed
First Posted : February 28, 2011
Last Update Posted : June 8, 2016
Information provided by (Responsible Party):
Martin Blomberg Jensen, Rigshospitalet, Denmark
Results Submitted - Not Posted on ClinicalTrials.gov
Results information has been submitted to ClinicalTrials.gov by the sponsor or investigator, but is not yet publicly available (or "posted") on ClinicalTrials.gov. The submitted information may not be available if it is pending Quality Control (QC) Review by the National Library of Medicine (NLM) or if issues identified during QC review are being addressed or corrected by the sponsor or investigator. NLM's limited QC review assesses for apparent errors, deficiencies, or inconsistencies. NLM staff do not verify the scientific validity or relevance of the submitted information.
|Recruitment Status :||Completed|
|Actual Primary Completion Date :||December 2014|
|Actual Study Completion Date :||May 2016|
|Submission Cycle||Results Submitted to ClinicalTrials.gov||Results Returned after Quality Control Review|
November 5, 2017|
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Blomberg Jensen M, Lawaetz JG, Petersen JH, Juul A, Jørgensen N. Effects of Vitamin D Supplementation on Semen Quality, Reproductive Hormones, and Live Birth Rate: A Randomized Clinical Trial. J Clin Endocrinol Metab. 2018 Mar 1;103(3):870-881. doi: 10.1210/jc.2017-01656.
Blomberg Jensen M, Gerner Lawaetz J, Andersson AM, Petersen JH, Nordkap L, Bang AK, Ekbom P, Joensen UN, Prætorius L, Lundstrøm P, Boujida VH, Lanske B, Juul A, Jørgensen N. Vitamin D deficiency and low ionized calcium are linked with semen quality and sex steroid levels in infertile men. Hum Reprod. 2016 Aug;31(8):1875-85. doi: 10.1093/humrep/dew152. Epub 2016 Jun 19.