Calcitonin-Related Trial "Procalcitonin in Hemorrhagic Stroke" Withdrawn

A clinical trial listing related to calcitonin has been updated as of August 21, 2026. The study, registered as NCT01498705 and titled "The Natural History of Procalcitonin in Hemorrhagic Stroke," has a status of WITHDRAWN according to its ClinicalTrials.gov record. No phase was listed for this study in the available data. The registry entry does not provide a stated reason for the withdrawal. As a status update, this record indicates the trial did not proceed to completion or was halted before or during conduct, based solely on the WITHDRAWN designation. No outcomes, results, or safety findings are included in this update, and none should be inferred from the withdrawal status alone. Readers should note that procalcitonin, referenced in the trial title, is a distinct biomarker from calcitonin itself, though both terms may appear in related clinical contexts. This brief reflects only the information contained in the trial registry entry as of the date listed. For additional context on calcitonin, including its approved regulatory status, readers can consult the compound overview.