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Clinical Trial Summary

This study is limited to conduct in China only. The primary objective is to assess the treatment effect of daily TransCon PTH on serum calcium (sCa) levels within the normal range and stopping from therapeutic doses of active vitamin D (calcitriol) or active vitamin D analogue (alfacalcidol) and calcium at 26 weeks of treatment. All subjects will start with 18 mcg of study drug and will be individually and progressively titrated to an optimal dose over a 26-week double blind period, followed by an open label extension period up to 156 weeks. TransCon PTH or placebo will be administered as a subcutaneous injection using a pre-filled injection pen. Neither trial participants nor their doctors will know who has been assigned to each group. After the 26 weeks, participants will continue in the trial as part of a long-term extension study. During the extension, all participants will receive TransCon PTH, with the dose adjusted to their individual needs.


Clinical Trial Description

Not Provided ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05387070
Study type Interventional
Source Visen Pharmaceuticals (Shanghai) Co., Ltd.
Contact Haibo Song
Phone +86-21-52999605
Email Haibo.song@visenpharma.com
Status Recruiting
Phase Phase 3
Start date July 28, 2021
Completion date December 2025

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