Annovis Bio (ANVS) Announces Positive Phase 2 Efficacy Data for the Treatment of Parkinson's Disease
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Annovis Bio, Inc. (NYSE American: ANVS) ("Annovis" or the "Company"), a clinical-stage drug platform company addressing Alzheimer's disease (AD), Parkinson's disease (PD) and other neurodegenerative diseases, today announced results from the completed dose response Phase 2 clinical trial of ANVS401 in 54 PD patients, which found that once-daily ANVS401 was superior to placebo in improving motor function.
The second part of the study expanded on the original 14 AD and 14 PD patients by recruiting an additional 40 PD patients for a total of 54 PD patients, who were treated with either 0mg, 5mg, 10mg, 20mg, 40mg or 80mg of ANVS401 once daily. Safety and two psychometric assessments - the coding test of the Wechsler Adult Intelligence Scale (WAIS) and the MDS-Unified Parkinson’s Disease Rating Scale (MDS-UPDRS) - were conducted at day 0 and day 25, comparing ANVS401-dosed PD patients with those dosed with placebo. ANVS401 has been found to be well-tolerated and safe with no adverse effects related to treatment observed.
When compared to the placebo group, statistically significant improvements in WAIS coding scores were observed in PD patients taking ANVS401 5mg, 20mg and 80mg once daily, highlighting increased motor-dexterity, as well as speed and accuracy compared to placebo (Figure 1). Further, PD patients taking ANVS401 5mg, 20mg and 80mg also achieved statistically significant improvements from baseline in the same test (Figure 1). PD patients treated with ANVS401 10mg and 20mg once daily showed statistically significant improvements in the UPDRS 2, 3, 4, and in total MDS-UPDRS test compared to baseline (Figure 2).
Figure 1 – WAIS Coding Test Results for 54 PD Patients – Statistical significance from baseline is signified by an asterisk on the top of a dose bar; statistical significance from placebo is signified by an asterisk on a line from the placebo to a dose bar. Single asterisks represent p<0.05, while two asterisks represent p<0.01.
Figure 2 – MDS-UPDRS Total Results for 54 PD Patients – Patients dosed with 10mg and 20mg showed marked improvement when compared to baseline for motor control and function. Statistical significance from baseline is signified by an asterisk on the bottom of a dose bar. Single asterisks represent p<0.05.
This dosing study shows that ANVS401 is efficacious across the tested dose range when measured by WAIS coding and shows better efficacy around 10 to 20mg once per day when measured by MDS-UPDRS. This dose range provides guidance as to what doses to use in the upcoming phase 3 studies in AD and PD patients.
“We are thrilled by these improvements in motor function of PD patients. Through examination of this dose-response, we can determine an optimal safe and efficacious dose as we move forward towards initiation of Phase 3 clinical trials with much larger patient populations and longer timelines. These positive efficacy results, which expand on our previous data from AD and PD patients, add clarity to the benefits that ANVS401 may offer to patients suffering from these chronic neurodegenerative diseases,” said Founder, President and CEO of Annovis, Maria L. Maccecchini, Ph.D. “We are still analyzing certain biomarker data from the 54 PD patients and will share the results when they are available. We will be asking the FDA for a meeting to receive guidance on next steps in clinical development in light of the AD/PD Phase 2 clinical results.”
Annovis Bio will host an investor conference call today, October 5th, 2021, at 9:00 am ET. Interested parties can participate through the following link: https://russopr.zoom.us/j/87423723968
About WAIS and MDS-UPDRS Psychometric Assessments
The WAIS coding subtest measures visual-motor dexterity, associative nonverbal learning, and nonverbal short-term memory. It also measures fine-motor dexterity, speed, accuracy, and ability to manipulate a pencil and perceptual organization.
The MDS-UPDRS evaluates several motor and non-motor experiences specific to the progression of Parkinson’s disease, including cognitive impairment, general mental state, facial expression, tremors, and other key features. The UPDRS is the current standard for clinical examination of patients diagnosed with PD.
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