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Clinical Trial Summary

This study is designed as Phase II/III. Phase II is aimed to evaluate safety and efficacy of Simmtecan and the 5-FU/LV regimen (FOLFSIM regimen) plus Toripalimab. Phase III is aimed to verify inferiority of the overall survival of FOLFSIM regimen plus Toripalimab in comparison with EP/EC in advanced or metastatic neuroendocrine cancer.


Clinical Trial Description

This is a Phase II/III, randomized, two-part, multi-center study, in which subjects with advanced or metastatic neuroendocrine carcinoma will be enrolled.

This study will be conducted in two parts:

Part 1, the Phase II study was to: (i) evaluate the safety and tolerability of the FOLFSIM regimen plus Toripalimab; and (ii) identify the recommended dose; (iii) assess the antitumor activity; (iv) the pharmacokinetic (PK) parameters of the drugs in the regimen.

Part 2, the Phase III study was to verify inferiority of FOLFSIM regimen plus Toripalimab compared with the current standard chemotherapy (EP/EC regimen) in the first-line treatment of advanced or metastatic neuroendocrine carcinoma. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03992911
Study type Interventional
Source Peking University
Contact Lin Shen
Phone 86-10-88196561
Email linshenpku@163.com
Status Recruiting
Phase Phase 2/Phase 3
Start date June 19, 2019
Completion date June 20, 2023

See also
  Status Clinical Trial Phase
Recruiting NCT06091124 - Neoadjuvant Adebrelimab Plus Etoposide and Cisplatin in Neuroendocrine Bladder Carcinoma Phase 2