Aptinyx Says DPN Setback Just A Step In Seeking Chronic Pain Indication
Investors reacted negatively when Aptinyx’s lead candidate missed its primary endpoint in diabetic peripheral neuropathy, but CEO Riedel tries to emphasize the positives from the study while awaiting fibromyalgia data with NYX-2925.
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Lead candidate NYX-2925 has failed a pair of Phase IIb studies in diabetic peripheral neuropathy and now one in fibromyalgia, leaving Aptinyx’s likely last hopes in neuropsychiatric indications.
The company is no longer pursuing development of the drug in painful diabetic peripheral neuropathy, but while more optimistic about fibromyalgia, that indication has less supporting data.
After disappointing top-line Phase II data in diabetic peripheral neuropathy with NYX-2925, Aptinyx says the full dataset shows significance across endpoints in patients four years or more past diagnosis; a second Phase II study in this subgroup is planned.