Inner ear delivery: Challenges and opportunities

B Szeto, H Chiang, C Valentini, M Yu… - Laryngoscope …, 2020 - Wiley Online Library
Objectives The treatment of inner ear disorders remains challenging due to anatomic
barriers intrinsic to the bony labyrinth. The purpose of this review is to highlight recent …

Improved inner ear drug delivery using hydrogel carriers

K Mfoafo, R Mittal, A Eshraghi, Y Omidi… - Journal of Drug Delivery …, 2023 - Elsevier
The management of inner ear disorders is troubled with obstacles, such as the precise
delivery of drug molecules to diseased cells. Due to the blood-labyrinth barrier (BLB) …

Novel 3D-printed hollow microneedles facilitate safe, reliable, and informative sampling of perilymph from guinea pigs

B Szeto, A Aksit, C Valentini, M Yu, EG Werth, S Goeta… - Hearing research, 2021 - Elsevier
Background Inner ear diagnostics is limited by the inability to atraumatically obtain samples
of inner ear fluid. The round window membrane (RWM) is an attractive portal for accessing …

Drug delivery device for the inner ear: ultra-sharp fully metallic microneedles

A Aksit, S Rastogi, ML Nadal, AM Parker… - Drug delivery and …, 2021 - Springer
Drug delivery into the inner ear is a significant challenge due to its inaccessibility as a fluid-
filled cavity within the temporal bone of the skull. The round window membrane (RWM) is the …

Incorporation of bone morphogenetic protein-2 and osteoprotegerin in 3D-printed Ti6Al4V scaffolds enhances osseointegration under osteoporotic conditions

X Wang, Z Li, Z Wang, H Liu, Y Cui, Y Liu… - … in bioengineering and …, 2021 - frontiersin.org
Osteoporosis is an age-related metabolic disease that results in limited bone regeneration
capacity and excessive osteoclast activity. After arthroplasty in patients with osteoporosis …

3D printing of dual-cell delivery titanium alloy scaffolds for improving osseointegration through enhancing angiogenesis and osteogenesis

H Zhao, S Shen, L Zhao, Y Xu, Y Li, N Zhuo - BMC Musculoskeletal …, 2021 - Springer
Background The repair of large bone defects is a great challenge for orthopedics. Although
the development of three-dimensional (3D) printed titanium alloy (Ti6Al4V) implants with …

Development of thermosensitive poloxamer 407-based microbubble gel with ultrasound mediation for inner ear drug delivery

AH Liao, CP Shih, MW Li, YC Lin, HC Chuang… - Drug Delivery, 2021 - Taylor & Francis
ABSTRACTS Our previous study first investigated feasibility of applying ultrasound (US) and
microbubbles (MBs) via external auditory canal to facilitate drug delivery into inner ear …

Effect of ursodiol on alginate/PLL nanoparticles with non-ionic surfactant for gene delivery

T Foster, P Lim, B Kovacevic, SR Wagle… - Journal of Nanoparticle …, 2024 - Springer
Hearing loss is a widespread condition, affecting people from a range of demographics.
Gene therapy is an emerging method for the amelioration of this condition. Challenges …

Impact of systemic versus intratympanic dexamethasone administration on the perilymph proteome

B Szeto, C Valentini, A Aksit, EG Werth… - Journal of proteome …, 2021 - ACS Publications
Glucocorticoids are the first-line treatment for sensorineural hearing loss, but little is known
about the mechanism of their protective effect or the impact of route of administration. The …

Inner ear diagnostics and drug delivery via microneedles

S Leong, A Aksit, SJ Feng, JW Kysar… - Journal of Clinical …, 2022 - mdpi.com
Objectives: Precision medicine for inner ear disorders has seen significant advances in
recent years. However, unreliable access to the inner ear has impeded diagnostics and …