Cluster 215: medication oral able swallow unable dissolving consume crushing chewing patient 
Cluster 990: unwilling comply unable eligible protocol patients swallow oral medication requirements 
Cluster 1010: pills swallow able ability patients unable impairs patient condition mouth 
Cluster 1356: inability oral swallow medications medication gastrointestinal absorption unwillingness absorb administration 
Cluster 1363: swallow tablet capsule able drugs ability study liquids drug unable 
Cluster 1383: swallow able study drug tablet comply requirements enzalutamide intolerance oral 
Cluster 1806: preclude oral illnesses absorption gastrointestinal olaparib medications able swallow cediranib 
Cluster 2414: fast maintain mln hours hour oral administration medication required able