https://www.ncbi.nlm.nih.gov/pubmed/28327506?dopt=Abstract

Talks about the safety of using chlorine dioxide to disinfect water.

https://clinicaltrials.gov/ct2/show/NCT04343742

This trial hasn't happened yet.

https://cdn.mms-seminar.com/wp-content/uploads/2014/06/Chlordioxid-als-Medizinprodukt-gegen-ALS.pdf?5b7bcc

Links to something about sodium chlorite - and sodium chlorite only. Nothing about adding an acid, which would create chlorine dioxide and is usually recommended for MMS.

https://www.solumium.com/products/

Yep, as a mouth wash and disinfectant, not for ingestion. Quote from one of the leaflets:

in the concentration needed for treatment it kills all the microbes rapidly but cannot harm the much larger humans during the few minutes of a treatment.

Few minutes of threatment does not mean "drink it".