Review
Copyright ©The Author(s) 2016.
World J Dermatol. Feb 2, 2016; 5(1): 17-51
Published online Feb 2, 2016. doi: 10.5314/wjd.v5.i1.17
Table 4 Guidelines for monitoring psoriasis patients receiving methotrexate by utilizing PIIINP levels
Indications for considering withdrawal of methotrexateElevation of PIIINP above 10.0 μg/L in at least 3 samples in one 12-mo period
Indications for considering liver biopsyElevation of pretreatment PIIINP above 8.0 μg/L
Elevation of PIIINP above 8.0 μg/L in 2 consecutive samples
Elevation of PIIINP above the normal range (1.7-4.2 μg/L) in at least 3 samples over a 12 mo period
Remarks: Serum for PIIINP measurement should be collected prior to starting methotrexate and should subsequently be measured every 2-3 mo during continued treatment