Policy & Regulation
NeuroBo Pharmaceuticals to Initiate Phase III Clinical Trial of NB-01 in Adult Patients with Diabetic Neuropathic Pain
10 January 2019 - - US-based biotechnology company NeuroBo Pharmaceuticals, Inc plans to initiate a Phase III trial to evaluate the efficacy of its lead drug, NB-01, in diabetic neuropathic pain in early 2Q19, the company said.

The company's drug pipeline also includes an IND-ready therapeutic candidate for Alzheimer's disease. These two candidates are based on extensive clinical and/or preclinical R and D originally conducted by Dong-A ST, a Korean pharmaceutical company.

NB-01 has previously shown successful Phase II results in treating diabetic neuropathic pain demonstrating a high efficacy in pain reduction with minimal to no side effects versus placebo a highly desirable product profile compared to existing approved drugs in the market.

The Phase III study is a double-blind, placebo controlled, 12-week study, which will randomize approximately 717 adults with diabetic neuropathic pain at up to 80 sites in the US.

NeuroBo also plans to launch a second pivotal Phase III study globally for NB-01 with a similar design in mid-2020. The primary endpoint for both studies is change from baseline to week 12 of the weekly mean of daily pain scores (an 11-point Pain Intensity Numerical Rating Score, PI-NRS), using an electronic patient diary.

The key secondary endpoint is the number of responders on the Patient Global Impression of Change Scale, defined as "much improved" or "very much improved." NeuroBo plans to conduct an interim analysis of results during the first half of 2020, and expects to complete the study mid-2021.

In addition to pain alleviation, preclinical work on NB-01 has demonstrated effects on increasing the release of nerve growth factor, stimulating nerve growth, and inhibiting advanced glycation end-products and inflammatory markers.

NeuroBo's second candidate, NB-02, is an IND-ready neuroprotective drug that targets Alzheimer's Disease. In preclinical studies, NB-02 has demonstrated inhibition of amyloid beta deposition and of tau-phosphorylation, as well as reduction of acetylcholinesterase activity and decrease of inflammatory markers.

Recent work on NB-02 was presented at the Society for Neuroscience annual meeting in a session titled "Alzheimer's Disease and Other Dementias: Therapeutic Strategies: Preclinical Cellular Models" by a research group from Massachusetts General Hospital and Harvard Medical School.

This group previously reported that NB-02 arrested amyloid plaque deposition and decreased the number of neurons with elevated intracellular calcium levels in a genetic mouse model. Their recent studies showed that NB-02 prevents the increase in calcium overload in primary neurons and astrocytes caused by amyloid-β oligomers.

The group concluded that NB-02 has great promise as a potential therapeutic for Alzheimer's disease. Additional work is being planned to characterize the multi-mechanistic effects of the drug and to design a Phase IIa clinical trial in mild to moderate stages of the disease.

NeuroBo Pharmaceuticals is focused on novel treatments for neurodegenerative diseases that affect millions of patients worldwide.

The company's novel lead candidate NB-01 is a potential treatment for diabetic neuropathic pain. Its second drug compound focuses on Alzheimer's disease currently ready for an IND and Phase IIa trial.

NeuroBo Pharmaceuticals was jointly founded by JK BioPharma Solutions, a company specialising in the development of new biopharmaceuticals, and Dr. Roy Freeman, a Professor of Neurology at Harvard Medical School, to develop natural product-based ethical medicines and is headquartered in Boston, MA.

Dong-A ST, founded in 1932, is a pharmaceutical company specialising in discovery, development, manufacture and marketing of pharmaceutical products and biosimilars.

The company's strength in R and D resulted in six new, in-house developed product launches within Asia and a once-daily antibiotic approved in the US, EU and Japan.

Dong-A ST has a strong R and D division, especially in immuno-oncology and epigenetics, and such capabilities enabled Dong-A to get partnered for licensing/co-research with several global pharma companies or companies specialising in these areas. Dong-A ST is headquartered in Seoul, South Korea and listed on the Korean stock exchange.
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