Drugs / bemiltenase alfa

Regulatory milestones approvals, filings & regulatory actions · 1 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed China (NMPA) — hemophilia B leyden —

“2025年06月,注射用STSP-0601附条件上市申请已获国家药监局受理。” staidson.com ↗

Trials 5

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT04747964 Jan 2020 → Apr 2021 hemophilia Staidson (Beijing) Biopharmaceuticals Co., Ltd Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT05027230 Oct 2021 → Jul 2023 hemophilia Staidson (Beijing) Biopharmaceuticals Co., Ltd Completed No outcome recorded
Phase 22 trials
Phase 2 NCT06289166 Mar → Oct 2024 hemophilia Staidson (Beijing) Biopharmaceuticals Co., Ltd Completed No outcome recorded
Phase 2 NCT05619926 Jan → Aug 2023 hemophilia Staidson (Beijing) Biopharmaceuticals Co., Ltd Completed No outcome recorded
Phase 31 trial
Phase 3 NCT06922045 Mar 2025 → Sep 2026 overdue hemophilia Jiangsu BioJeTay Biotechnology Co., Ltd. Recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 4

DateIssuerRelease
2026-06-09 Staidson (Beijing) Biopharmaceuticals Co., Ltd Regulatory 舒泰神(北京)生物制药股份有限公司 关于子公司药品博佳凝(注射用STSP-0601)获得药品注册证书的公告 staidson.com ↗
2025-01-22 Staidson (Beijing) Biopharmaceuticals Co., Ltd Results 关于注射用STSP-0601取得IIb期临床研究总结报告的公告 staidson.com ↗
IIb期研究结果显示,STSP-0601用于伴抑制物的血友病A或B患者出血按需治疗的疗效显著,12h有效止血率为81.94%,优于单组目标值(OPC),差异具有统计学意义(P<0.0001),达到了预设的主要有效性终点。
2024-07-03 Staidson (Beijing) Biopharmaceuticals Co., Ltd Regulatory 关于注射用STSP-0601获得美国FDA孤儿药资格认定的公告 staidson.com ↗
近日,舒泰神(北京)生物制药股份有限公司(以下简称“舒泰神”或“公司”)产品 bemiltenase alfa(STSP-0601)用于治疗 A 型血友病和 B 型血友病适应症获得美国食品药品监督管理局(以下简称“美国 FDA”)授予的孤儿药资格认定。
2019-08-16 Staidson (Beijing) Biopharmaceuticals Co., Ltd Regulatory 喜报:I类新药凝血因子 X 激活剂如期获临床批件 staidson.com ↗
审批结论:根据《中华人民共和国药品管理法》及有关规定,经审查,2019 年 05 月 14 日受理的注射用 STSP-0601 符合药品注册的有关要求,同意按照提交的方案开展临床试验。

All press releases naming this drug 4 releases

DateIssuerRelease

Evidence & citations 7 cited values

Every value below carries the sentence it was read from. 8 sources stand behind the page.

FieldValueCited text
Known as bemiltenase alfa “Bemiltenase alfa, a factor X (FX) activator derived from Daboia russelii siamensis venom, was developed as a hemostatic agent for hemophilia A and B with inhibitors (HAwI and HBwI).” PMID 41637644 ↗ May 2026
Known as Bemiltenasa alfa ChEMBL registry synonym — accepted as the source's own label CHEMBL5314810 ↗
Known as Staidson protein-0601 “Staidson protein-0601 (STSP-0601), a specific factor (F)X activator purified from the venom of Daboia russelii siamensis, has been developed.” PMID 36796484 ↗ Feb 2023
Known as STSP-0601 ClinicalTrials.gov intervention name — accepted as the source's own label NCT04747964 ↗
4

NCT06922045 ↗

NCT05027230 ↗

NCT06289166 ↗

NCT05619926 ↗

Action Activate “Preclinical studies showed that STSP-0601 could specifically activate FX in a dose-dependent manner.” PMID 36796484 ↗ Feb 2023
Modality Protein / enzyme biologic “Staidson protein-0601 (STSP-0601), a specific factor (F)X activator purified from the venom of Daboia russelii siamensis” PMID 36796484 ↗ Feb 2023
Route Intravenous “Patients received a single intravenous injection of STSP-0601” PMID 36796484 ↗ Feb 2023