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recombinant human thyroid-stimulating hormone beta
- Development stage
- Phase 3
- Lead developer
- Suzhou Zelgen Biopharmaceuticals
- Modality
- Recombinant Proteins and Enzymes
- Administration
- Injection
01
Overview
Zesuning (recombinant human thyroid-stimulating hormone beta) is a recombinant protein developed by Zelgen Biopharmaceuticals for the post-operative management of differentiated thyroid cancer (DTC). It is designed to rapidly elevate serum thyroid-stimulating hormone (TSH) levels in patients who have undergone thyroidectomy, without the need to discontinue thyroid hormone therapy. By binding to the TSH receptor, it stimulates residual thyroid tissue or metastatic lesions to increase iodine uptake and the secretion of thyroglobulin (Tg). This facilitates more accurate diagnostic assessments, including serum Tg testing and radioiodine whole-body scans (WBS), while avoiding the symptoms of hypothyroidism associated with hormone withdrawal. It was approved in China in January 2026 and is commercialized in partnership with Merck.
- Brand names
- Zesuning
- Other names
- 泽速宁注射用人促甲状腺素βrhTSH beta
02
Targets
TSHR (Thyroid-stimulating hormone receptor)
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