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New improved diagnostic tests ?
Sep 11, 2001

Dear Doctor

Maybe you could shed some light on new developments in the field of hiv diagnostic tests ? BACKGROUND One of the comments that one sees is that progression, and/or OI's are not always related directly to the absolute CD4 count (i.e. some people only develop serious complications with CD4 levels less than 50, others at levels even higher than 200). Related to this is the quality of CD4 cells that are regained with treatments.i.e. are 100 CD4 cells gained on treatment as 'good' as 100 CD4 cells in uninfected person.

QUESTION :Are any tests being developed that will be able to measure the 'quality' of CD4 and/or other immune related cells ? If so, when do you expect these to be available to patients ?

I look forward to your reply

Response from Dr. Holodniy

There are many tests available in a research only capacity that can measure global or very specific function of CD4 cells. They are labor intensive and expensive. It is unclear as to when they would have wide spread availability.



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