I agree 100% that it is wise to seek and consider the professional and independent opinions of more than one physician.
Yes, I saw the whole video when it was posted online. He suggested vaguely that he wasn’t the only one who wanted further data. I cannot comment on who those others might be, but I would consider the opinions of all those who disclose their conflicts, and I would weigh their statements critically.
Yes, further investigation is a valid request and a valid basis for an opinion. The only issue is that GBM is somewhat unique, and a placebo design would require trial physicians to treat trial participants without clinically appropriate compassion.
Published peer-reviewed literature is the most reliable source of information about clinical trials because the peer-reviewers are selected by the journal and those reviewers are independent.
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