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Biotech / Medical : IDPH--Positive preliminary results for pivotal trial of ID

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To: Brad C. Dunlap who wrote (312)1/23/1997 7:28:00 PM
From: Richard Belanger   of 1762
 
Thanks, Brad. The quantity of I-131 used in Coulter's Phase I (34 to 161 mCi) may or may not require hospitalization under the new rule. According to an NRC rep. that I talked to, there is a "guideline" value of 33 mCi for I-131, but the hospital might still be able to release the patient if they can demonstrate that no person other than the patient will receive a radiation dose exceeding the specified limit. I have some background in radiation dosimetry so I'll try to evaluate this further.

By the way, the IDEC-Y2B8 treatment is not affected by the new rule, since it uses a yttrium-90 isotope that emits only beta particles which have a short range in tissue and will not expose persons other than the patient.

Best regards,

Rich
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