Research Article

Biosimilars in Developed and Developing East and Southeast Asian Countries: Japan, South Korea, and Malaysia—Overview, Evolution, and Regulations Assessment

Table 1

Differences between chemical, biological, generic, and biosimilar drugs.

ParameterPharmaceutical industryBiopharmaceutical industryBiosimilar industry
Chemical drugGeneric drugBiological drugBiosimilar drug

SynthesisProduction of original chemical formulaCopy from the original chemical formulaSince the insertion of a gene that plays a cell clone moleculeDevelopment derived from the original biological molecule
Size100–1000 Da100–1000 Da10.000–300.000 Da10.000–300.000 Da
Glycosylation processZeroZeroSeveralSeveral
Molecular structureSimpleSimpleComplexComplex
Ability to generate immunityLowLowMedium-highMedium-high
Drug development time7–10 years1–3 years10–15 years6–9 years
CostsUS 500–800 M<US 1-2 MUS 800–1300 MUS 10–250 M
Characterization analysis laboratoryN/AThere are techniques to identify similarity to the original drugN/ANo identification technique equality of the molecule Clinical studies are needed

Source: adapted from Zelenetz et al. [5].