Patent ID: 7459281

Claim:
An immunoassay process for detecting docetaxel in a sample comprising providing a mixture containing a sample, an antibody reactive with docetaxel and not substantially reactive with paclitaxel and 10-O-deacetylbaccatin III, and a compound conjugated with a carrier wherein the compound is selected from those represented by the formula: wherein B is Y is an organic spacing group; X is a functional group capable of linking to a carrier; and p is an integer from 0 to 1; a compound of the formula: wherein B, X, Y and p are as above; a compound of the formula wherein B, X, Y and p are as above, and mixtures thereof, causing the docetaxel in the sample and said conjugate to bind with said antibody and thereafter measuring the amount of said conjugate in said mixture which is bound or unbound to said antibody whereby the presence of docetaxel in the sample can be determined.