Ryoji Hirai Selected Research

Laryngeal papillomatosis

7/2018	Gardasil Vaccination for Recurrent Laryngeal Papillomatosis in Adult Men Second Report: Negative Conversion of HPV in Laryngeal Secretions.
1/2017	Gardasil Vaccination for Recurrent Laryngeal Papillomatosis in Adult Men: First Report: Changes in HPV Antibody Titer.

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Ryoji Hirai Research Topics

Disease

3	Neoplasms (Cancer) 01/2020 - 07/2017
2	Laryngeal papillomatosis 07/2018 - 01/2017
2	Papilloma (Papillomatosis) 07/2017 - 10/2012
1	Laryngeal Diseases 01/2020
1	Radiation-Induced Neoplasms (Neoplasms, Radiation Induced) 01/2019
1	Reinfection 07/2018
1	Laryngeal Neoplasms (Laryngeal Cancer) 07/2017
1	Ranula 04/2016
1	Lymphoma (Lymphomas) 04/2016
1	Cystadenocarcinoma 04/2016

Drug/Important Bio-Agent (IBA)

4	DNA (Deoxyribonucleic Acid)IBA 01/2020 - 10/2012
2	18 16 11 Types 6 Human Papillomavirus Recombinant Vaccine Quadrivalent (Gardasil)FDA Link 07/2018 - 01/2017
1	AntibodiesIBA 07/2018
1	Immunologic Factors (Immunomodulators)IBA 04/2016
1	PicibanilIBA 04/2016

Therapy/Procedure

2	Therapeutics 01/2020 - 04/2016
1	Chemoradiotherapy 01/2019
1	Radiotherapy 01/2019