A tablet including high dosage of 8-fluoro-2-(4- [(methylamino)methyl]phenyl)-1,3,4,5-tetrahydro-6H-azepino[5,4,3-cd]indol-6-one camsylate salt has been disclosed. The invention is directed to high dosage strength tablets of rucaparib. In some embodiments, the tablet includes 45-90% w/w njcaparib camsylate. In some embodiments, the dry granulated tablet includes 45-90% w/w rucaparib camsylate. One such embodiment is a tablet containing at least 200 mg rucaparib. Another embodiment is a tablet containing at least 300 mg rucaparib.
