Finding a Cure for Fragile X
Thirteen centers across the US enrolled children with Fragile X in a large-scale clinical trial of Novartis AFQ056. Dr. Elizabeth Berry-Kravis and colleagues aim to show that this targeted treatment — an mGluR5 blocker for Fragile X which failed in previous adult human trials — can be better evaluated by studying effects on learning in young children.
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Can a combination of drugs make a meaningful difference for people with Fragile X? A new clinical trial is going to find out. 15-20 adult men with Fragile X will be included in this upcoming trial, which will test the effects of an available drug and a nutritional supplement taken together.
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Zynerba has announced it is now recruiting subjects for a large-scale Phase 3 clinical trial (RECONNECT) of Zygel. Twenty-five sites across the United States, Australia, the UK and Ireland are recruiting children and adolescents with Fragile X syndrome for this randomized, double-blind, placebo-controlled, multinational study, details below.
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Dr. Carol Wilkinson, MD PhD, and Dr. Charles Nelson, PhD, at Boston Children’s Hospital are recruiting children ages 2-7 years with Fragile X syndrome to participate in a study of brain differences using non-invasive EEG.
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Today, Tetra Therapeutics announces the first unequivocally positive phase 2 clinical trial in Fragile X syndrome, press release below. The results do not depend on carving out a subset of patients or post hoc analysis.
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FRAXA Research Foundation has awarded a $90,000 research grant to Dr. Craig Erickson and Dr. Elizabeth Smith at Cincinnati Children’s Hospital to test functional near-infrared spectroscopy (fNIRS), in children who have Fragile X syndrome. fNIRS is safe, non-invasive, and easily-tolerated. It uses light sources and sensors on the scalp to build a heat map of the brain in action.
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FRAXA Research Foundation is funding a clinical trial of metformin for teens and adults with Fragile X syndrome. The trial is being conducted by Dr. Sean McBride at Rowan University in collaboration with colleagues at the University of Pennsylvania. Men and women ages 16-50 with Fragile X syndrome are invited to participate.
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FRAXA Research Foundation has funded a clinical trial of an investigational new drug, led by Dr. Elizabeth Berry-Kravis at the Rush Fragile X Clinic in Chicago. This trial will treat 30 adult males with Fragile X syndrome with a PDE4D allosteric inhibitor from Tetra Discovery Partners using in a crossover design, so that everyone gets active drug for part of the time and placebo for part of the time.
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Metformin is commonly prescribed to control high blood sugar in type 2 diabetes. With a $50,000 grant from FRAXA Research Foundation, Dr. Artuela Çaku and Dr. Francois LePage are conducting an open-label clinical trial of metformin for children and adults with Fragile X syndrome, at the University of Sherbrooke in Canada.
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Many medications are used to help people with Fragile X cope. But few clinical trials have been done on these drugs. Years ago FRAXA funded Dr. Craig Erickson to run a trial of aripiprazole (aka Abilify). FRAXA guest writer Hannah Miles recently caught up with Dr. Erickson to learn the results of the trial.
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With a $51,000 grant from FRAXA Research Foundation, Dr. Craig Erickson conducting a double-blind, placebo-controlled clinical trial of AZD7325 in adults ages 18-50 with Fragile X syndrome at Cincinnati Children’s Hospital. The compound being studied is an investigational new drug from AstraZeneca that targets GABA (A) receptors.
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With a $66,714 grant from the FRAXA Research Foundation awarded over 2015-2017, Dr. Francois Corbin at the Universite of Sherbrooke will test the safety and synergistic effects of lovastatin and minocycline in patients with Fragile X syndrome.
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With a $90,000 grant from FRAXA Research Foundation funded during 2014-2015, Dr. Frank Kooy and colleagues at the University of Antwerp are conducting a double blind crossover trial of ganaxolone in patients with Fragile X syndrome. Results of this study were mixed (see Marinus: Results from Phase 2 Exploratory Clinical Study Support Continued Development of Ganaxolone in Fragile X Syndrome.)
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Rush University Medical Center Professor Elizabeth M. Berry-Kravis, MD, PhD, has launched and is recruiting participants for a large-scale clinical trial to study effects of AFQ056, an mGluR5 blocker, on learning in young children.
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If all the science world’s a stage, Fragile X researchers are more than merely players. They are center stage. So believes Francois Corbin, MD, PhD, professor, Université de Sherbrooke, Canada, who directs the university’s Fragile X Clinic. Corbin, who has received more than $100,000 in FRAXA support since 2012, is leading a pilot randomized Phase II trial, exploring the tolerability and the synergistic effect of a combined therapy.
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We are pleased to share great news adapted from Neuren’s press release: Neuren’s phase 2 trial has successfully established proof of concept and provides a strong rationale for Neuren to move forward with developing trofinetide for Fragile X syndrome. In this initial small trial with a relatively short treatment period, trofinetide was very well tolerated, with the high dose (70 mg/kg twice daily) demonstrating a consistent pattern of clinical improvement, observed in both clinician and caregiver assessments.
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This isn’t a Fragile X trial, but the Neuren compound, NNZ-2566, that is in trials now for Fragile X has shown significant positive effects in a Phase 2 trial for Rett syndrome. The results of the trial are interesting, in that improvement was seen a Rett syndrome-specific rating scale compared to placebo, and there was also improvement noted on the CGI-I (Clinical Global Impression of Improvement) and Caregiver Top 3 Concerns. However, there was no effect seen on ABC scores (Aberrant Behavior Checklist) compared to placebo. Many in the Fragile X field have noted the inadequacies of the ABC; indeed, it was never designed or intended to be an outcome measure for clinical trials.
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With a $124,000 grant from the FRAXA Research Foundation from 2012-2014, Dr. Mara Dierssen and Dr. Rafael de la Torre conducted preclinical studies in Fragile X knockout mice and a clinical trial in Fragile X patients using Mega Green Tea Extract, which contains 45% by weight epigallocatechin gallate (EGCG).
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by Michael Tranfaglia, MD. In my opinion, the Fragile X clinical trials of AFQ056 sponsored by Novartis failed because of a dose range that was inadequate for Fragile X, and because of the unexpected development of tolerance.
Read moreThis year’s Gordon Conference just finished, and Novartis presented their results for the first time (though advisors and advocates had been given a private peak months ago.) To say that the trial results for AFQ056 were disappointing would be the understatement of the century!
Read moreQuestion: How Do Families Decide Which Trial is Best for Them? Answer: Each of the trials has different requirements for joining, so many – if not most – people will only be eligible for one trial after screening. The best way to approach this is to call the clinic contact closest to your area and discuss this with him/her. Age, weight, current medications, behavior, and IQ are all factors.
Read moreWith a $65,000 grant from FRAXA Research Foundation in 2005, Dr. Berry-Kravis at the Rush University Medical Center conducted a pilot clinical trial of lithium in 15 patients with Fragile X syndrome. Results published.
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With a $40,000 grant from FRAXA, Dr. Carlo Paribello and his team at the Surrey Place Centre Fragile X clinic in Toronto, Ontario, ran an open label trial to see if minocycline can improve learning and reduce anxiety and behavioral problems in people with Fragile X. Twenty participants between the ages of 13 and 35 years took minocycline for two months.
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With a FRAXA Research Foundation grant of $30,000 in 2006, Dr. Erickson conducted a pilot clinical trial of an available medicine, aripiprazole (brand-name Abilify). This was an open-label 12-week trial in 12 people ages 6–25 years with Fragile X. Results were promising, and published: 10 of the 12 participants showed behavioral improvements.
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