| abstract |
Use of (R)-(-)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-pyridine-3,5-dicarb oxylic acid-3-methyl-5-[3-(4,4-diphenyl-1-piperidinyl)-propyl]-ester and pharmaceutically acceptable salts thereof to improve the action of chloroquine and/or to overcome resistance to chloroquine. Use of (R)-(-)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-pyridine-3,5-dicarb oxylic acid--3-methyl-5-[-(4,4-diphenyl-1-piperidinyl)-propyl]-ester and pharmacologically acceptable salts thereof to improve the action of vincristine or daunomycine or doxorubicine or etoposide and/or to overcome resistance to vincristine or daunomycine or doxorubicine or etoposide. |