ORYZON Presents New Positive Efficacy Data on Vafidemstat for Treatment of Aggression
- Poster presented at European College of Neuropsychopharmacology Congress
- Showcases efficacy data from the autism spectrum disorder (ASD) cohort of the REIMAGINE Phase IIa trial
- Third positive clinical outcome of vafidemstat in a human CNS disorder
MADRID, Spain and CAMBRIDGE, Mass., Sept. 10, 2019 (GLOBE NEWSWIRE) -- Oryzon Genomics, S.A. (ISIN Code: ES0167733015, ORY), a public clinical-stage biopharmaceutical company leveraging epigenetics to develop therapies in diseases with strong unmet medical needs, announces new positive human efficacy data on its central nervous system (CNS) epigenetic drug vafidemstat during the 32nd European College of Neuropsychopharmacology (ECNP) Congress.
The data, presented in a poster at the Congress in Copenhagen, Denmark, is from the autism spectrum disorder (ASD) cohort in the REIMAGINE Phase IIa clinical trial. ASD is a developmental mental condition that begins in childhood and remains in adulthood. The poster, entitled "Vafidemstat improves aggression scores in autism: REIMAGINE, third cohort clinical data," is presented by Dr. Michael Ropacki, Oryzon’s Vice President of Clinical and Product Development.
In this third REIMAGINE cohort, vafidemstat met the primary endpoint, as it was safe and well tolerated without significant adverse events in patients with ASD.
Findings after two months of vafidemstat treatment include:
- Significant global improvements on the Clinical Global Impression (CGI) of Severity (CGI-S) and Improvement (CGI-I) scales, focused on aggressive behavior (p=0.0005 and p=0.0019, respectively).
- Significant global improvement on the Neuropsychiatric Inventory (NPI) total score (p=0.0019).
- Significant specific improvement on the NPI 4-item Agitation/Aggression subscale (p=0.0098).
Overall, vafidemstat has been shown to be an active compound in ASD patients, demonstrating statistically significant improvements across the panel of evaluated scales commonly used to measure levels of agitation and aggressiveness. In addition, the statistically significant improvement in the measurement of the global psychological state (NPI) suggests that vafidemstat has a broader psychiatric effect and that it may have a therapeutic use in these patients beyond the treatment of aggressiveness.
Dr. Michael Ropacki commented, “The REIMAGINE trial of vafidemstat has now produced positive results in three debilitating psychiatric disorders with high-unmet medical need: ADHD, autism spectrum disorder, and borderline personality disorder. Vafidemstat shows promise as a safe, well-tolerated and differentiated therapeutic option for treating agitation and aggression, and for treating non-aggressive features of three distinct psychiatric diseases.”
For more information on ECNP Congress, please visit the ECNP2019 website
A copy of the poster is available here.
REIMAGINE (EudraCT Number 2018-002140-88) is a Phase IIa "basket" clinical trial evaluating the safety, tolerability and efficacy of vafidemstat in aggression in adult population with three psychiatric disorders: borderline personality disorder (BPD), attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD). REIMAGINE is a single-arm, open-label, 8-weeks treatment study and is being conducted in Spain at the Vall d’Hebrón hospital in Barcelona. Recruitment for the trial has been completed, with a total of 30 patients enrolled. A parallel REIMAGINE study evaluating the safety, tolerability and efficacy of vafidemstat in aggression in a moderate Alzheimer’s disease population is ongoing (REIMAGINE-AD, EudraCT Number 2019-001436-54), with recruitment also completed.
Founded in 2000 in Barcelona, Spain, Oryzon (ISIN Code: ES0167733015) is a clinical stage biopharmaceutical company considered as the European champion in Epigenetics. Oryzon has one of the strongest portfolios in the field. Oryzon’s LSD1 program has rendered two compounds, vafidemstat and iadademstat, in clinical trials. In addition, Oryzon has ongoing programs for developing inhibitors against other epigenetic targets. Oryzon has a strong technological platform for biomarker identification and performs biomarker and target validation for a variety of malignant and neurodegenerative diseases. Oryzon has offices in Spain and the United States. For more information, visit www.oryzon.com
Vafidemstat (ORY-2001) is an oral, brain penetrant drug that selectively inhibits LSD1 and MAOB. The molecule acts on several levels: it reduces cognitive impairment, including memory loss and neuroinflammation, and at the same time has neuroprotective effects. In animal studies vafidemstat not only restores memory but reduces the exacerbated aggressiveness of SAMP8 mice, a model for accelerated aging and Alzheimer’s disease, to normal levels and also reduces social avoidance and enhances sociability in murine models. In addition, vafidemstat exhibits fast, strong and durable efficacy in several preclinical models of multiple sclerosis (MS). Vafidemstat is in Phase IIa clinical studies in patients with Relapse-Remitting and Secondary Progressive MS (SATEEN), in patients with Mild to Moderate Alzheimer’s disease (ETHERAL) and in aggressiveness in patients with different psychiatric or neurodegenerative disorders (REIMAGINE, a basket trial).
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