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General Research News

The nonprofit biomedical institute is seeking to acquire samples of every drug ever developed to see if they can be used to treat diseases besides those for which they were intended. That means collecting roughly 10,000 to 11,000 compounds discovered since the end of the 19th century. Most never made it to market, often because they weren’t effective or had unexpected side effects.

ProQR Therapeutics N.V. announced the results for their clinical trial of QR-110 LCA 10 is on track, and eight out of twelve patients have been enrolled in a Phase 1/2 trial. The results for safety and efficacy for the trial are expected to be announced in the second half of 2018. Currently, they planing to announce data from a QR-421 study for Usher Syndrome. The organization has received $7.5 million in funding from the Foundation Fighting Blindness (FFB) and hopes to use QR-421a for Usher Syndrome Type 2A to target mutations in exon 13.

David Rand, Marie Jakešová, Gur Lubin, Ieva Vėbraitė, Moshe David-Pur, Vedran Đerek, Tobias Cramer, Niyazi Serdar Sariciftci, Yael Hanein, Eric Daniel Głowacki

A simple retinal prosthesis is being developed in collaboration between Tel Aviv University in Israel and Linköping University in Sweden. Fabricated using cheap and widely-available organic pigments used in printing inks and cosmetics, it consists of tiny pixels like a digital camera sensor on a nanometric scale. Researchers hope that it can restore sight to blind people.

Ekaterina S. Lobanova, Stella Finkelstein, Jing Li, Amanda M. Travis, Ying Hao, Mikael Klingeborn, Nikolai P. Skiba, Raymond J. Deshaies, Vadim Y. Arshavsky

New research outlines a strategy that in mouse models significantly delayed the onset of blindness from inherited retinal degeneration such as retinitis pigmentosa.

An Ottawa-based company, iBionics, is working to improve the effectiveness of vision-restoring technology by developing a bionic retina, the Diamond Eye implant. iBionics is targeting for full approval and commercial availability by 2024.

One of these recent discoveries doesn't replace an entire eye, but supplants a major component of vision. It holds some promise for millions of people who could otherwise go blind. In a first, scientists in China have created artificial photoreceptors to help blind mice see.

ReNeuron, a developer of cell-based therapeutics, received a $1.5 million grant award from the UK Innovations agency. The project will allow further development of cell banks of ReNeuron’s hRPC candidate and as well as the development of product release assays for late-stage clinical development. The hRPC therapy is currently being tested in a Phase III clinical trial in the US for patients suffering retinitis pigmentosa.

A retinal implant allowed a 69 year old woman with macular degeneration to see more than double the usual number of letters on the vision chart. Luxturna, the gene therapy was approved by the FDA in 2017, corrects a mutation found in Leber congential amaurosis (LCA).

Caroline C. W. Klaver, MD, PhD; Alberta A. H. J. Thiadens, MD, PhD

Children with retinitis pigmentosa who received vitamin A supplementation were associated with slower rate of cone electroretinogram amplitude compared to children who did not, a small study found.

This story is designed to help you find an answer to the question: will a stem cell therapy work for me? To get an answer, Dr. Mary Sunderland of the Foundation Fighting Blindness Canada, suggests that you pay attention to three key points when you read new stories about stem cell discoveries or clinical trials...

Rajiv Gandhi Govindaraj, Misagh Naderi, Manali Singha, Jeffrey Lemoine, Michal Brylinski

Researchers at the LSU Computational Systems Biology group have developed a sophisticated and systematic way to identify existing drugs that can be repositioned to treat a rare disease or condition. They have fine-tuned a computer-assisted drug repositioning process that can save time and money in helping these patients receive effective treatment.

Odylia Therapeutics aims to advance gene therapies that are getting left behind. Odylia’s focus is gene therapies with scientific promise but limited commercial opportunity that maybe gathering dust on the selves of labs or companies.

Three blind mice could be a thing of the past. Scientists have restored the sight of blind mice by implanting tiny gold prosthetic photoreceptors into their eyes. So far, this incredible technique has only been carried out on mice. However, the work holds some hope for people with degenerative eye diseases such as retinitis pigmentosa or macular degeneration.

Pixium Vision, a company developing innovative bionic vision systems to enable patients who have lost their sight to lead more independent lives, announces today the world’s first successful human implantation and activation of PRIMA, its new generation miniaturized wireless photovoltaic sub-retinal implant, in a patient with severe vision loss from atrophic dry Age-related Macular Degeneration (AMD).

A French biopharma company has announced their plans to carry out human trials of a new treatment that would insert genes from light-seeking algae into the eyes of patients with inherited blindness in order to help them regain sight. The treatment involves optogenetics, a technique that converts nerve cells into light sensitive cells.

GenSight Biologics, a biopharma company focused on discovering and developing innovative gene therapies for retinal neurodegenerative diseases and central nervous system disorders, announced UK Medicines and Healthcare Regulatory Agency (MHRA) acceptance of the Company’s Clinical Trial Application (CTA) to initiate the PIONEER Phase I/II study of GS030 in patients with Retinitis Pigmentosa (RP).

Raghavi Sudharsan, Daniel P. Beiting, Gustavo D. Aguirre, William A. Beltran

In studying the late stages of disease in two different canine models of retinitis pigmentosa, a group of progressive and inherited blinding diseases, researchers found commonalities, specifically involving the innate immune system. The findings point to potential new treatment options for the conditions.

The prestigious Institute of Ocular Microsurgery in Barcelona implanted the first patient in Spain with IRIS® II, a bionic vision system equipped with a bio-inspired camera and a 150-electrode epi-retinal implant that is designed to be explantable.

The FDA has granted GenSight’s developing drug, GS030, Orphan Drug Disease Designation for the treatment of retinitis pigmentosa.

Tongchao Li, Nikolaos Giagtzoglou, Dan Eberl, Sonal Nagarkar-Jaiswal, Tiantian Cai, Dorothea Godt, Andrew K Groves, Hugo J Bellen.

Myosins play essential roles in the development and function of auditory organs and multiple myosin genes are associated with hereditary forms of deafness. Our work reveals a novel mechanism that regulates protein complexes affected in two forms of syndromic deafness and suggests a molecular function for Myosin IIa in auditory organs.

João Carlos Ribeiro, Bárbara Oliveiros, Paulo Pereira, Natália António, Thomas Hummel, António Paiva & Eduardo D. Silva

Study aimed at identifying and characterizing putative differences in olfactory capacity between patients with USH and controls, as well as among the subtypes of USH.

Guilian Tian, Richard Lee, Philip Ropelewski, and Yoshikazu Imanishi

The purpose of this study was to obtain an Usher syndrome type III mouse model with retinal phenotype.

Debra A. Thompson, Robin R. Ali, Eyal Banin, Kari E. Branham, John G. Flannery, David M. Gamm, William W. Hauswirth, John R. Heckenlively, Alessandro Iannaccone, K. Thiran Jayasundera, Naheed W. Khan, Robert S. Molday, Mark E. Pennesi, Thomas A. Reh,Richard G. Weleber, David N. Zacks, and for the Monaciano Consortium.

The present position paper outlines recent progress in gene therapy and cell therapy for this group of disorders [retinal dystrophies], and presents a set of recommendations for addressing the challenges remaining for the coming decade.

Ben Shaberman provides an overview of emerging therapies for Usher syndrome in the article "Saving Vision for People with Usher Syndrome" in the July/August 2014 edition of Hearing Loss Magazine.

"A highly potent synthetic form of THC, the substance in marijuana that produces a high for users, has shown strong vision-preserving effects in rats with a form of autosomal dominant retinitis pigmentosa (adRP). ”

Stephen E. Zrada, Kevin Braat, Richard L. Doty, Alan M. Laties

Olfactory testing should be included as a part of test batteries used for comprehensive evaluation of patients with USH1 and USH2, this may aid in the classification of specific genotypic and phenotypic forms, and in the identification of the subset of patients with significant smell deficits, thereby providing the clinician with an opportunity to counsel individuals with USH-related olfactory dysfunction.