The compatibility between ticagrelor and selected excipients (mannitol, calcium phosphate tribasic, sodium carboxymethyl starch, hydroxypropyl cellulose and magnesium stearate) was investigated by differential scanning calorimetry. The compatibility was further corroborated by Raman spectroscopy and isothermal stress testing experiments. These results revealed that ticagrelor has high compatibility with mannitol, calcium phosphate tribasic, sodium carboxymethyl starch, hydroxypropyl cellulose and magnesium stearate.
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