There is a study entitled "Rotating magnets produce a rapid analgesic effect in experimental rats" which describes clear positive effects of rotating magnetic fields on chronic pain.
Here: https://www.jpier.org/issues/reader.html?pid=12100915
Another study describes other interesting findings.
https://medicalxpress.com/news/2023-11-magnetic-field-patterns-oncolysis-oxidative.html
And here:
https://www.nature.com/articles/s41598-017-18557-7
Nevertheless, please note that the ZT PrimerCube is primarily designed for rotating magnetic field experiments.