Usually after stage III of trials, it gets FDA/Health Canada approval for general treatment. From Glossary - ClinicalTrials.gov
PHASE I TRIALS: Initial studies to determine the metabolism and pharmacologic actions of drugs in humans, the side effects associated with increasing doses, and to gain early evidence of effectiveness; may include healthy participants and/or patients.
PHASE II TRIALS: Controlled clinical studies conducted to evaluate the effectiveness of the drug for a particular indication or indications in patients with the disease or condition under study and to determine the common short-term side effects and risks.
PHASE III TRIALS: Expanded controlled and uncontrolled trials after preliminary evidence suggesting effectiveness of the drug has been obtained, and are intended to gather additional information to evaluate the overall benefit-risk relationship of the drug and provide and adequate basis for physician labeling.
PHASE IV TRIALS: Post-marketing studies to delineate additional information including the drug's risks, benefits, and optimal use.
Seeing as they're only up to stage II, it'll be probably at least a year, and that's very optimistic.
P.S. It says drugs, but I do believe the same stages apply to new treatments such as what's being suggested by Dr. Zamboni.



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