Prof. H. Skarżyński led and participated in more than a hundred Polish and international research projects – research grants or specific targeted projects. The most important are:

• Creation of the Professional Skills Center for hearing specialists (2023-2026)
• Adaptive screening and diagnostic system Hear Box (2021-2023)
• System for detecting taste and smell disorders based on a home self-test (2020-2022)
• Training of physicians in the Center of the Advanced Surgical Techniques of the World Hearing Center, Institute of Physiology and Pathology of Hearing for ear surgery, rhinosurgery, phonosurgery, orbital surgery, jaw surgery and skullbase surgery (2018-2923)
• Hearing screening program for the first grade students of primary schools from the Mazovian Voivodeship in the years 2017/2018 and 2018/2019 (2017-2019)
• Promoter of the PRELUDIUM grant “Primary, Secondary and Associative Plasticity of the Auditory Cortex in People with Partial Deafness Using the Electro-acoustic Stimulation System” (coordinator: K. Cieśla, 2012-2016)
• Project under the STRATEGMED Programme entitled “Integrated System of Tools for Diagnostics and Telerehabilitation of Sensory Organs (hearing, sight, speech, balance, taste, smell)”, INNOSENSE STRATEGMED1/248664/7/NCBR/2014
• Research and development national projects: Development of the new technologies of implantable devices improving the hearing processes, InnoTech Programme, INNOTECH-k1/IN1/31/158446/NCBR/12 (2012-2014)
• International research project: C-DACS ID in cases of significant or profound mixed type loss of hearing CEL5318 (2012-2014)
• International research project: Clinical assessment of Scalability Platform in cochlear implant system fitting (2012-2014)
• The author of the concept and executor of the project: World Center for the Research and Partial Deafness Treatment (the current name: World Hearing Center), no. POIG 02.01.00-14-049/09, within Innovative Economy Operational Programme, Action 2.1 “Development of the centers of high research potential” (2008 –2012)
• The leader of the EFAS Working Group on SHS (School and pre-school age Hearing Screening) (2012)
• The initiator and executor of the project: “Development of the scientific IT platform for the processing of sensory organs’ screening tests results based on the open standard of e-data exchange”, no. POIG.02.03.00-00-009/09 within Innovative Economy Operational Programme, Action 2.3 – Investments related to the development of IT infrastructure for science (2009-2011)
• The initiator and executor of the project: Program for the development of Nationwide Network of Auditory Telerehabilitation Centers”, no. PL0384 within Norwegian Financing Mechanism (Norway Grants), Priority 5 – Healthcare and Child Care (2009-2011)
• The initiator and coordinator of actions within the scope of “Equalization of opportunities of children with communication disorders in the European countries” – the issue included into the Priority of Polish Presidency of the EU Council, in the field of Public Health (2011)
• The initiator and coordinator of the European Consensus Statement on Hearing Screening in Preschool and School-age Children – signed by the representatives of 27 countries associated in the European Federation of Audiology Societies (2011)
• The initiator and coordinator of the European Consensus Statement on Hearing, Vision and Speech Screening in Preschool and School-age Children – signed by the leaders of the European community of audiologists, phoniatricians, speech therapists and ophthalmologists (2011)
• The initiator and executor of the project: “Integrated System Supporting the Research on Physiology and Pathology of Hearing”, no. POIG.02.03.00-00-006/08, Action 2.3 – Investments related to the development of IT infrastructure for science (2008-2010)
• International research project: Multi-Center, Retrospective Review of Hearing Preservation with a Deeply Inserted 31 mm Electrode Array (2010)
• International research project: Evaluation of safety and surgical experience of cochlear implantation in adults and children implanted with the concerto and concerto pin cochlear implant (2010)
• International research project: Research into BAHA applications for children of school age with single sided sensorineural hearing loss (SSD), both applied and congenital, as compared to CROSS hearing aids (2006–2009)
• International research project: Remote fitting of Nucleus Cochlear Implant System (2006–2011)
• International research project: Research and development of custom-made electrodes for patients with functioning residual hearing (2006–2008)
• International research project: Investigation of the preservation of residual hearing using contour nucleus electrode (2006–2008)
• International research project: Clinical evaluation of the Nucleus Straight Research Array (SRA) cochlear implant – adults (2009–2011)
• International research project: Clinical evaluation of the Nucleus Straight Research Array (SRA) cochlear implant – children (2011)
• International research project: Remediation of Hearing Loss, within EU 6th Framework Programme (2007–2010)
• New methods of analysis of otoacoustic emissions and auditory evoked potentials (2008, 2009, 2010)
• New methods of analysis of otoacoustic emissions and auditory evoked potentials (2007)
• Interdependence between objective and subjective methods of the auditory processing evaluation (2009)
• Auditory Nerve Response Telemetry -ART  (2010)
• National research project: “Interdependence between objective and subjective methods of the auditory processing evaluation”, participant of the project (2009)
• National research project: “New methods of analysis of otoacoustic emissions and auditory evoked potentials”, participant of the project (2008, 2009, 2010)
• International research project: AHEAD III – Assessment of hearing in the elderly: Aging and degeneration – Integration through immediate intervention, participant of the project (2007, 2008, 2009, 2010)
• The promoter’s project 2 P05E 109 28: the problems in moulding maternity identity in hearing mothers of deaf youths and their significance for the development of personal identity of these youths (2005-2007)
• The promoter’s project 3 T11E 036 28: The evaluation of the clinical usefulness of digital speech corrector in stuttering patients (2005–2007)
• Research project KBN Nr 7 T11E 051 20: New methods for objective diagnostics of the auditory organ with the use of neural response telemetry (NRT) and measurements of electrically evoked stapedius reflex (2001–2002)
• Research project KBN Nr 6PO5C 050 21: Electrophysiology study of auditory adaptation with the use of the very fast stimulation technique (2001)
• Research project KBN Nr 4PO5C 05512: Evaluation of the electrical capabilities of the auditory pathway, with the use of electrostimulation test (1997)
• Research project KBN Nr 1342/T11/98/15: New digital algorithms of hearing prosthesis and the methods of hearing aids fitting (1998–2000)
• Research project KBN Nr 5POE 142 18: Program of hearing screening in children with congenital infections of TORCH group and the acquired in neonatal and infant period (1999–2001)
• Research project KBN Nr 8 T11E 03310: New methods of diagnostics and hearing impairment therapy, with the use of digital processing of phonic signal (1996)
• Research project KBN nr PBZ 28/03: ordered by the Minister of Health and Public Care – elaboration of the unified newborns hearing screening program for hearing impairments occurrence (1996–1998)
• Specific targeted project KBN Nr PO5C 009 96C/3129: Establishment of the Tinnitus Center which will run research&development works “Development of the program of proceeding with people with tinnitus and hyperacusis” (1997–2000)
• Specific targeted project KBN Nr 88651 95C/2307: The system for registration of Auditory Brainstem Response (1996)
• International research project Nr ERBCIPDCT 930148: Concerted Action on Otoemissions (1996)