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Biotech / Medical : XOMA. Bull or Bear?
XOMA 26.70-0.8%Jan 23 9:30 AM EST

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To: Robert K. who wrote (10774)7/13/1999 9:16:00 PM
From: Pseudo Biologist  Read Replies (1) of 17367
 
I am not sure what you mean by the "50% placebo thing", but the following from the xoma.com FAQ may be relevant:

<<Is the pivotal trial placebo-controlled? How many patients will be in the control group? What does "double-blind" mean? (2/99)
The meningococcemia Phase III study is double-blinded, randomized and placebo-controlled. Patients are randomly assigned to either receive NEUPREX®, or an inert substance (a "placebo"). Approximately equal numbers of patients will be in each group. Both groups also receive the same standard care including antibiotics, often in an intensive care setting. "Double-blinded" means that neither the treating physician nor the sponsoring company knows which patients receive the drug and which receive placebo until the study is concluded and the blind broken. We will not know which patients received NEUPREX® until after the trial is complete and the data are checked and verified.>>
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