Avraham Announces Successful Second Interim Results in Phase 2b Study of Ladostigil
News Aug 01, 2015
Avraham Pharmaceuticals Ltd. has announced the successful second interim results in a Phase 2b clinical trial for the evaluation of the safety and efficacy of ladostigil, for the treatment of mild cognitive impairment (MCI).
After 2 years of treatment, the results point to a positive trend of the ladostigil treated group in comparison to the placebo treated group in the number of patients who did not progress from MCI to Alzheimer’s disease.
The interim results reflect data from all MCI patients who completed up to 2 years of treatment. The primary end point is to determine whether ladostigil can delay or prevent the onset of Alzheimer’s disease. The conversion from MCI to Alzheimer's disease is determined using the Clinical Dementia Rating scale (CDR), a common measurement tool for determining the stage of dementia.
The interim results also show statistically significant protection (p=0.01) of ladostigil against loss of whole brain volume as measured by MRI. Brain volume measurements are known biomarkers for neurodegenerative disease.
Longitudinal MRI studies improve predictive power in assessing the prognosis of individuals with MCI. Furthermore, the data support the mechanism of action of the drug of reducing inflammation, as seen in improvement of immune parameters, and in particular reduction of the pro-inflammatory cytokines INFɣ and TNFα.
In addition, an independent expert committee evaluated the safety data on all patients participating in the trial. The expert committee concluded that there are no safety issues preventing continuation of the trial. There were no serious or unexpected adverse events related to the drug.
“Based on the positive outcome of the two interim analyses to date, the Company intends to begin discussions with the FDA regarding further development of ladostigil towards a Phase 3 pivotal trial. The next step will be a pre-IND meeting with the regulatory authorities,” said Yona Geffen, Ph.D., Chief Executive Officer of Avraham Pharmaceuticals. "We are very encouraged from these additional positive interim results of this on-going Phase 2b study, and believe that ladostigil holds the potential of a disease modifying drug that will alleviate MCI symptoms and prevent progression to Alzheimer's disease.”
Yaacov Michlin, Chairman of Avraham Pharmaceuticals and Chief Executive Officer of Yissum, said, “MCI often progresses to dementia, and in particular to Alzheimer's disease. Currently there is no treatment for MCI, and there is a high medical and human interest to be able to delay this progression. This Phase 2b trial is intended to assess the ability of ladostigil, a drug with neuroprotective activity, to slow the deterioration of people with MCI. We are thus very pleased with the favorable efficacy trend of the second interim results and the excellent safety profile of the drug, and look forward to the final results expected at Q3 2016.”
Ladostigil’s on-going Phase 2b trial is a 3 years, multi-center, randomized, double-blind, placebo-controlled trial that includes 210 MCI patients (allocated 1:1, ladostigil vs. placebo) in 16 centers in Europe and Israel. The 2nd successful results announced follow positive results from the first interim analysis, which the Company announced in July, 2014.
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