Preface Abdulrahman Al-Majed 1. Deferasirox Maha Nasr and Mohamed Fawzi Kabil 2. Duvelisib Ibrahim A. Darwish, Haya I. Aljohar, Ebtehal Al-Abdullah, Nourah Z. Alzoman and Hany W. Darwish 3. Regorafenib Ahmed A. Abdelgalil and Hamad M. Alkahtani 4. Ponatinib Ahmed H. H. Bakheit, Mohamed W. Attwa, Hamad M. Alkahtani, Adel S. El-Azab, Alaa A-M Abdel-Aziz, Ali S. Abdelhameed, Adnan A. Kadi, Sawsan Bushra Hassan and Dalia W. Zeidan 5. Avanafil Ahmed H. H. Bakheit, Abdulrahman AlMajed, Amer AlKhairallah, Mohamed W. Attwa, Hamad M. Alkahtani, Adel S. El-Azab, Alaa A-M Abdel-Aziz, Ayman Alkhider and Sawsan Bushra Hassan 6. Regulation and Standardization of Herbal Drugs: Current status, Limitation, Challenge's and Future Prospective. Gunawan Indrayanto