MIP-1095 I-123, as a radiotracer, is under investigation in clinical trial NCT00712829 (Evaluating the Safety, Pharmacokinetics, Tissue Distribution, Metabolism and Dosimetry of Two Prostate Cancer Imaging Agents).
BX471 hydrochloride (ZK-811752 hydrochloride) is a potent, selective non-peptide CCR1 antagonist (Ki: 1 nM for human CCR1). It shows 250-fold selectivity for CCR1 over CCR2, CCR5, and CXCR4.
TAK-220 is a selective and orally bioavailable CCR5 antagonist (IC50s: 3.5 nM and 1.4 nM for inhibition on the binding of RANTES and MIP-1α to CCR5, respectively).
Iofolastat I 123 is a diagnostic agent under investigation in clinical trial NCT00992745 (A Phase I Pilot Study in Subjects With Metastatic Prostate Cancer).