Review Article

To Live or to Die: Prosurvival Activity of PPAR in Cancers

Table 7

Clinical trials of TZDs in cancer patients.

Cancer typePhaseTZDsNo. of ptsTumor responseReferences

LiposarcomaIIRosiglitazone12All patients progressed, no sign of differentiation by histology[68]
Thyroid cancerI, IIRosiglitazone104 pts with partial response, 2 with stable disease, and 4 with progressed disease[69]
Metastatic colorectal cancerI, IITroglitazone25All patients progressed[70]
Refractory breast cancerIITroglitazone22Most patients progressed with increased serum tumor markers[71]
Early-stage breast cancerIIRosiglitazone38No reduction in Ki-67 staining on tissue biopsies[72]
Metastatic prostate cancerIITroglitazone41Decrease or stabilization of PSA[73]
Recurrent prostate cancerIIIRosiglitazone106Similar to placebo in both PSADT and time-to-disease-progression[74]