Similarity Factor F2 Calculation Excel Sheet Download [patched] | PRO |

: Both products must be tested under identical conditions and at the same time points.

: The coefficient of variation should not exceed 20% at the first time point and 10% at subsequent points. similarity factor f2 calculation excel sheet download

The is a vital statistical tool in pharmaceutical development used to compare the dissolution profiles of two drug products, such as a generic "Test" (T) product and a "Reference" (R) product. Calculating : Both products must be tested under identical

factor is a logarithmic reciprocal square root transformation of the sum of squared differences between the test and reference profiles. The formula is: Calculating factor is a logarithmic reciprocal square root

f2=50⋅log{[1+1n∑t=1n(Rt−Tt)2]-0.5×100}f sub 2 equals 50 center dot log the set open bracket 1 plus 1 over n end-fraction sum from t equals 1 to n of open paren cap R sub t minus cap T sub t close paren squared close bracket to the negative 0.5 power cross 100 end-set : Number of time points. Rtcap R sub t