19 I et separat fase I- studie resulterede indtagelse af TMZ sammen med ranitidin ikke i ændringer i absorptionsgraden af temozolomid eller eksponeringen over for dets aktive metabolit monomethyltriazenoimidazolcarboxamid (MTIC).
In a separate phase I study, administration of TMZ with ranitidine did not result in alterations in the extent of absorption of temozolomide or the exposure to its active metabolite monomethyl triazenoimidazole carboxamide (MTIC).