ISCO International Stem Cell Corporation (QB)

Carlsbad, CA -- August 21, 2018 -- InvestorsHub NewsWire -- International Stem Cell Corporation (OTCQB: ISCO) (www.internationalstemcell.com) ("ISCO" or "the Company"), a California-based clinical stage biotechnology company developing novel stem cell-based therapies and biomedical products, announced today that the United States Patent and Trademark Office (USPTO) has granted the Company a key patent (US10039794) on the use of neural cells for the treatment of various neurodegenerative diseases. 

The patent covers the use of ISC-hpNSC®, ISCO’s proprietary neural stem cells derived from human parthenogenetic stem cells, for the treatment of neurodegenerative diseases such as Parkinson’s disease, Alzheimer’s disease and amyotrophic lateral sclerosis. This patent also covers the use of neural cells derived from other human pluripotent stem cell sources, such as human embryonic stem cells (hESC) and induced pluripotent stem (iPS) cells. 

"This patent is very important for the Company as it protects our exclusive right in the United States to treat Parkinson’s disease with our lead therapeutic candidate ISC-hpNSC®, which is being tested in our Phase 1 trial” said Russell Kern, PhD, ISCO's Executive Vice President and Chief Scientific Officer. "ISCO has one of the most extensive patent portfolios in the field of pluripotent stem cells. The newly granted patent should add significant value to the company, strengthening its position as a leader in the field of regenerative medicine," he continues. 

Neural stem cells have been shown to be safe and effective in animal models of Parkinson’s disease, Alzheimer’s disease, spinal cord injury, stroke, traumatic brain injury, multiple sclerosis, Huntington disease, and amyotrophic lateral sclerosis. Furthermore, there is clinical data demonstrating that neural stem cells are safe in Parkinson’s disease, spinal cord injury, stroke, amyotrophic lateral sclerosis, age-related macular degeneration, myelination disorders, and lysosomal storage disorders. 

ISCO’s proprietary ISC-hpNSC® consists of a highly pure population of neural stem cells derived from human parthenogenetic stem cells. ISC-hpNSC® is a suspension of clinical grade cells manufactured under cGMP conditions that have undergone stringent quality control measures and are clear of any microbial and viral contaminants. Preclinical studies in rodents and non-human primates have shown improvement in Parkinson's disease symptoms and increase in brain dopamine levels following the intracranial administration of ISC-hpNSC®. In these studies, ISC-hpNSC® have been shown to provide neurotrophic support and neuroregeneration to the dying dopaminergic neurons of the recipient Parkinson's disease brain.

About the clinical study
The Phase I clinical study is a dose escalation safety and preliminary efficacy study of ISC-hpNSC®, intracranially transplanted into patients with moderate Parkinson's disease. The open-label, single center, uncontrolled clinical trial will evaluate three different dose regimens of 30,000,000 to 70,000,000 neural cells. A total of 12 participants with moderate-to-severe Parkinson's disease will be treated. Following transplantation, the patients will be monitored for 12 months at specified intervals to evaluate the safety and biologic activity of ISC-hpNSC®. A PET scan will be performed at baseline, as part of the screening assessment, and at 6 and 12 months after surgical intervention. Clinical responses compared to baseline after the administration of ISC-hpNSC® will be evaluated using various neurological assessments such as Unified Parkinson Disease Rating Scale (UPDRS), Hoehn and Yahr and other rating scales. An extension phase of the study will evaluate patients every 6 months for 5 additional years.

About Parkinson's disease
Parkinson's disease is a degenerative disorder of the central nervous system mainly affecting the motor system. The motor symptoms of Parkinson's disease result from the death of dopamine-generating cells in the substantia nigra, a region of the midbrain. Early in the course of the disease, the most obvious symptoms are movement-related. These symptoms include shaking, rigidity, slowness of movement and difficulty with walking and gait. Later, thinking and behavioral problems may arise, with dementia commonly occurring in the advanced stages of the disease, and depression as the most common psychiatric symptom. Parkinson's disease is more common in people over the age of 50.

There are no approved treatments that restore the damaged dopaminergic neurons. Medications typically used in the treatment of Parkinson's disease, levodopa and dopamine agonists, improve the early symptoms of the disease. As the disease progresses and dopaminergic neurons continue to be lost, the drugs eventually become ineffective, while at the same time frequently producing a complication marked by involuntary writhing movements. There are over 10 million people afflicted by Parkinson's disease worldwide. In 2013 Parkinson's disease resulted in about 103,000 deaths globally, up from 44,000 deaths in 1990. 

About International Stem Cell Corporation
International Stem Cell Corporation (ISCO) is focused on the therapeutic applications of human parthenogenetic stem cells (hpSCs) and the development and commercialization of cell-based research and cosmetic products. ISCO's core technology, parthenogenesis, results in the creation of pluripotent human stem cells from unfertilized oocytes (eggs). hpSCs avoid ethical issues associated with the use or destruction of viable human embryos. ISCO scientists have created the first parthenogenetic, homozygous stem cell line that can be a source of therapeutic cells for hundreds of millions of individuals of differing genders, ages and racial backgrounds with minimal immune rejection after transplantation. hpSCs offer the potential to create the first true stem cell bank, UniStemCell™. ISCO also produces and markets specialized cells and growth media for therapeutic research worldwide through its subsidiary Lifeline Cell Technology (www.lifelinecelltech.com),and stem cell-based skin care products through its subsidiary Lifeline Skin Care (www.lifelineskincare.com). More information is available at www.internationalstemcell.com.
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Safe harbor statement
Statements pertaining to anticipated developments, clinical studies expectations (including timing and results), progress of research and development, potential applications for the Company’s technologies and other opportunities for the Company and its subsidiaries, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as “should,” "will," "believes," "plans," "anticipates," "expects," "estimates,") should also be considered to be forward-looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products, regulatory approvals, need and ability to obtain future capital, application of capital resources among competing uses, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the Company's business, particularly those mentioned in the cautionary statements found in the Company's Securities and Exchange Commission filings. The Company disclaims any intent or obligation to update forward-looking statements.
 

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