Author Archives: Alice Melão

Pfizer and REGENXBIO have established a new collaboration to develop gene therapies specifically designed to treat people with Friedreich’s ataxia. Under the terms of the agreement, Pfizer will be able to use REGENXBIO’s proprietary NAV adeno-associated virus (AAV) system to deliver genes that could help…

Dimethyl fumarate, an approved therapy for multiple sclerosis (MS), may help people with Friedreich’s ataxia by increasing the amount of frataxin protein that is deficient in these patients, an international research team has found. This suggests that the treatment may help overcome the metabolic impairment characteristic of Friedreich’s ataxia and…

A patient with Friedreich’s ataxia has been dosed with Minoryx Therapeutics’ investigational therapy leriglitazone in the ongoing Phase 2 FRAMES trial, the company announced. This first patient was enrolled at the Hospital La Paz in Madrid, and was administered the new therapy at the end of April…

Minoryx Therapeutics announced it will soon launch a Phase 2 trial in Spain to evaluate its lead therapeutic candidate, MIN-102, in patients with Friedreich’s ataxia. The study (2018-004405-64), named FRAMES, was approved by the Spanish Agency of Medicines and Medical Devices (AEMPS) and is expected to initiate patient…

Iron-induced cell death may contribute to the progression of Friedreich’s ataxia, a study in human and mice cells shows. Inhibition of this degenerative mechanism may represent a new therapeutic strategy for people affected by this rare disease, researchers suggest. The study, “Ferroptosis as a novel therapeutic target…

Adult patients with Friedreich’s ataxia have generalized abnormalities in the structure and function of both left and right ventricles of the heart, a study shows. The study, “Differences in the determinants of right ventricular and regional left ventricular long-axis dysfunction in Friedreich ataxia,” was published in the…

Treatment with histone deacetylase inhibitors (HDACi) can restore the cellular pathways that become impaired upon loss of functional frataxin protein in Friedreich’s ataxia, a study using stem cells shows. The study, “Transcriptional profiling of isogenic Friedreich ataxia neurons and effect…

A naturally produced RNA molecule called FAST-1 can prevent the readout of the FXN gene and, consequently, production of the frataxin protein, contributing to the development of Friedreich’s ataxia, researchers suggest. This finding was reported in a study published in the journal Scientific Reports and supports the hypothesis that inhibition…

High blood levels of three specific proteins may represent new biomarkers to monitor active immune cells and ongoing nerve cell damage in Friedreich’s ataxia, researchers suggest. These findings were reported in the study, “Plasma Markers of Neurodegeneration Are Raised in Friedreich’s…

A noninvasive assessment of the nerve structures in the superficial membrane of the eye, known as the cornea, can help quantify the severity of nerve cell damage in patients with Friedreich’s ataxia, researchers suggest. This finding was reported in the study, “Corneal Confocal Microscopy: Neurologic Disease Biomarker…

Several studies have suggested that the deregulation of iron processing in the organism is an important feature of frataxin deregulation, and consequently of Friedreich’s ataxia, according to a review study. In the study, “Iron in Friedreich Ataxia: A Central Role in the Pathophysiology or an Epiphenomenon?”…

A comprehensive evaluation of the brain with magnetic resonance imaging (MRI)-based methods and clinical features of Friedreich’s ataxia (FA) may provide valuable information to fully understand the neurological impairment linked to the disease, researchers suggest. This is supported by the findings from the study, “Functional and Structural…

A rare case report of a 16-year-old boy with Friedreich’s ataxia who retained responsive tendon reflexes highlights the importance of recognizing unusual symptoms of the disease to enable proper and timely care. The case study was described by researchers from the University of Kentucky College of Medicine in the study…

Long-term use of EPI-743 (vatiquinone), an investigational therapy being developed by BioElectron, can improve neurological function and prevent disease progression in Friedreich’s ataxia (FA) patients, results from a Phase 2 clinical trial show. Trial data was reported in the study, “Double-blind, randomized and controlled trial of EPI-743 in…

PTC Therapeutics announced it will acquire Agilis Biotherapeutics, a company focused on the development of gene therapies targeting rare diseases that affect the central nervous system (CNS). The acquisition will represent an expansion of PTC Therapeutics’ portfolio by including Agilis’ lead product candidate AGIL-AADC, for aromatic L-amino…

A therapy already approved to treat cancer could potentially be used to prevent heart abnormalities in Friedreich’s ataxia patients, according to a study that used a fruit fly model of the disease. The study, “Identification of cardioprotective drugs by medium-scale in vivo pharmacological screening on a…

Painful muscle spasms in a patient with Friedreich’s ataxia (FA) were managed by administering baclofen in the spinal canal, a case study reports. The study was published in the journal Stereotactic and Functional Neurosurgery. About 11-15% of patients with Friedreich’s ataxia experience painful muscle spasms or muscle contractions, but little…

Friedreich’s ataxia is associated with a chronic inflammatory state, according to the genetic pattern of peripheral blood cells revealed in a research study. The UCLA study is titled “Peripheral blood gene expression reveals an inflammatory transcriptomic signature in Friedreich’s ataxia patients,” and is published in the…

The Muscular Dystrophy Association (MDA) awarded 13 grants totaling $2.6 million to promote and support research projects aimed at better understanding and treating muscular dystrophies and related life-threatening diseases, including Friedreich’s ataxia. Five of the new grants were awarded to recognized researchers in the neuromuscular field, and five were granted…

Using human cells, researchers have found that targeting the MLH3 protein involved in DNA repair can reduce the GAA repeat expansion that causes Friedreich’s ataxia. This finding adds new knowledge about the mechanisms involved in Friedreich’s ataxia, but it also may lead to new development of disease-modifying therapies. The finding…

Statins, a cholesterol-lowering medication, can increase the amount of a good cholesterol component that is found in low levels in Friedreich’s ataxia patients, possibly helping them avoid heart failure, a Philadelphia study shows. Scientists link poor levels of ApoA-I, as the good cholesterol protein is known, to an increased risk…

Researchers found a 50-year-old hypertension therapy can enhance the amount of frataxin protein in cells from patients with Friedreich’s ataxia and mouse models of the disease. The finding was reported in the study, “Effect of Diazoxide on Friedreich Ataxia Models,” published in the journal Human…

Patients with Friedreich’s ataxia have impaired emotion recognition that may be secondary to neuropsychological impairment, according to a study published in the journal The Cerebellum. Expressing and reading emotions are essential social skills necessary for developing relationships, as well as for showing your own feelings. To a great…

Increased levels of six small RNA molecules, or microRNAs, in the blood could be a specific genetic marker for Friedreich’s ataxia features and progression, researchers have found. The study was titled “Differentially Regulated Cell-Free MicroRNAs in the Plasma of Friedreich’s Ataxia Patients and Their Association with…

Researchers at Tufts University have developed a new, more powerful method of analyzing DNA sequencing to better identify and understand complex genomic rearrangements (CGRs), which are involved in many genetic disorders and cancers. CGRs can occur in diseases where expansion of repetitive DNA sequences is a core feature, such…

Researchers at the University of Wisconsin-Madison have developed a synthetic molecule that may help overcome the effects of the genetic defect that causes Friedreich’s ataxia. According to the study, “Synthetic transcription elongation factors license transcription across repressive chromatin,” the Syn-TEF1 molecule can bind to the mutated…

Researchers have found that asymptomatic dysfunction of mitochondrial activity in the part of the brain that regulates muscular activity, the cerebellum, may be a first step in the development of Friedreich’s ataxia (FA). A study, “Early cerebellar deficits in mitochondrial biogenesis and respiratory chain complexes in the…

Transplanting hematopoietic stem and progenitor cells (HSPCs) restored muscle strength and motility function in a mouse model of Friedreich’s ataxia, according to a report published in Science Translational Medicine. Researchers at University of California San Diego School of Medicine showed that HSPCs could restore the activity of mitochondria in…

A manmade version of the frataxin protein that’s missing in Friedreich’s ataxia increased frataxin levels in the muscles of mice with the disease, increasing their survival, a study found. Scientists used parts of several proteins to create what they called a fusion version of frataxin. The team reported its findings in the…

CRISPR Therapeutics has received a grant from the Friedreich’s Ataxia Research Alliance to support its work on gene editing as a potential treatment for the disease. The company will use the Kyle Bryant Translational Research Award on animal studies of CRISPR/Cas9 gene-editing strategies for FA. The size of the grant was not…

Reata Pharmaceuticals sold some of its shares, generating sales of approximately $115.9 million to be used to support the clinical development of the company’s pipeline, including omaveloxolone, its lead investigative product for Friedreich’s ataxia, according to a press release. Friedreich’s ataxia is caused by a genetic defect…

Two small molecules were shown to increase the mRNA and protein levels of frataxin (FXN) in animal models of Friedreich’s ataxia. According to a report published at Neuropharmacology, these compounds could have therapeutic potential to treat FXN deficits in Friedreich’s ataxia (FA). Friedreich’s ataxia is caused by reduced levels of the mitochondrial…

Friedreich’s ataxia (FRDA) patients have less mitochondria than other people because of the mutation in the frataxin (FXN) gene that is associated with the disorder, according to two studies. University of California at Davis researchers also said that a multiple sclerosis therapy the United States and Europe have already approved…

Friedreich’s ataxia (FRDA) stems from abnormal DNA code expansions in the Frataxin (FXN) gene that collectively reduce the expression of the FXN protein. A new study indicates that small RNA and DNA molecules can interact with FXN repeats to block the formation of the abnormal DNA 3D structures that could be…

Voager Therapeutics has announced that its Friedreich’s ataxia program, VY-FXN01, is taking steps to initiate preclinical tests of its safety and effectiveness, the company expects to achieve in a two-year period the needed requirements to proceed to treatment testing in Friedreich’s ataxia patients. “Voyager’s exceptional performance and accomplishments during…

Researchers at Italy’s IRCCS Santa Lucia Foundation have found that cerebellar atrophy can affect brain structures related to emotions, thinking and memory, which may in part explain ataxia symptoms. Their results suggest that identifying structural alterations in the cerebellum via imaging can help detect cerebellar degeneration and ataxia. These observations in their study, “Impact of…

Patients with Friedreich ataxia (FA) are more likely to develop inflammatory bowel disease and growth hormone deficiency than those without FA, concludes a recent study. Researchers believe that these associations, which may be coincidental or a result of disease interaction or shared genetic features, warrant further research. The study, “Comorbid Medical Conditions…

Recent research in Friedreich’s ataxia (FA) has revealed new possibilities for lipid metabolism as a therapeutic target to slow the progression of the disease in patients. The latest knowledge of the molecular basis of FA and its underlying metabolic alterations was discussed in a review study titled “Oxidative stress…

An Indian population study has shown that a specific mutation in a gene involved in iron regulation, the HFE gene, is seen frequently in patients with Friedreich’s ataxia (FA), and it could be a culprit in damaging the peripheral nerves in FA. The study, “Iron related hemochromatosis (HFE) gene mutations…

Recognizing atypical involuntary movements in childhood autosomal recessive ataxia syndromes can lead to early diagnosis and may allow for more effective treatment of the symptoms, according to a recent review of emerging data. Autosomal recessive cerebellar ataxias (ARCA) are a diverse group of rare, usually inherited conditions that typically appear before age…