In line with these findings, the PTD‐BMP‐7 dosage (10 μg/wk) instilled intra‐peritoneally in the present study was significantly smaller when compared to the rBMP‐7 dosage (100‐300 μg/kg/d) used to treat peritoneal fibrosis in PD rat models in other studies.3, 32. This evidence concerns the gene BMP7 and Peritoneal Fibrosis.