The dr you are trying to get to initiate a trial doesn't work in a large enough hospital with enough covid patients to do a trial in.
The company is more likely to need a large teaching hospital to run a trial. Plus, he's correct about more data points being needed. Hopefully, the human lung cell tests show efficacy and give us more data points to move forward.
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They don’t? Doctor Oz is sponsoring a trial Hydroxychloroquine at his hospital (Columbia I believe)!