...what are the various factors that «o into developing uniformity for these drugs. Senator Nki.sox. Well. then, will these become additional factors in...new drug approval and surveillance, and all of the NAS-NRC evaluations, are in fact to no avail unless the results are communicated to the prescribing...

...well as brand name. Even though there have been indications that different brands of a few clrusrs in chemically equivalent formulations have given significantly...new drug approval and surveillance, and all of the NAS-NRC evaluations, are in fact to no avail unless the results are communicated to the prescribing...

...as well as brand name. Even though there have been definite indications that different brands of the few drugs in chemically equivalent formulations have...reason to believe this is not a frequent phenomenon. COMMUNICATIONS WITH THE PROFESSION AND WITH FEDERAL DRUG PURCHASERS All of the FDA's scientific work...

...essentially the same availability as measured by blood levels, excretion, and absorption profiles, ct cetera. We have developed certain in-house biological...reason to believe this is not a frequent phenomenon. Duplicative Drug8 Sen. Nelson. Is there any sound reason for permitting the introduction into the marketplace...

...essentially the same availability as measured by blood levels, excretion, and absorption profiles, ct cetera. We have developed certain in-house biological...reason to believe this is not a frequent phenomenon. Duplit* ulive Drugs Sen. Nelson. Is there any sound reason for permitting the introduction into the...

...by FDA they would be equally effective at the same dose. Recently, however, there have been definite indications that different brands of a few drugs in...given significantly different biological responses. The recent example of chloramphenlcol has been widely publicized. Were this a frequent phenomenon,...