For example, LHRH analogs were conjugated to doxorubicin (DOX) (conjugate AN-152) or its counterpart 2-pyrollino-DOX (conjugate AN-207), resulting in targeted therapeutic conjugates in various cancer models [116,117,118,119,120,121,122,123,124,125,126,127,128]. Here, GNRH1 is linked to cancer.