CRPS Study:   

Commenced in November 2023 - A double-blind CRPS study (Complex Regional Pain Syndrome) is being conducted by Prof. Gierthmühlen at the University of Kiel. Prof. Gierthmühlen is co-chair of the Complex Regional Pain Syndrome (CRPS) Special Interest Group of IASP, the International Association for the Study of Pain. 

https://www.iasp-pain.org/group/complex-regional-pain-syndrome/

 The CRPS study is now public in the German register and can be found at: https://drks.de/search/de/trial/DRKS00033005