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PRTA vs SCLX

Prothena Corporation plc Ordinary Shares and Scilex Holding Company Common Stock

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Prothena Corporation plc Ordinary Shares

Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation in the United States. Its product pipeline include Prasinezumab, an investigational humanized monoclonal antibody which is in phase 2b clinical trial, as well as phase 1 and 2 clinical trials for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in phase 2 clinical trial for potential treatment of transthyretin amyloidosis; BMS-986446, an investigational antibody, which is in phase 2 clinical trial to treat Alzheimer's disease; PRX012, an investigational antibody, which is in phase 1 clinical trial to treat Alzheimer's disease; PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease; and PRX019, an investigational antibody, which is in phase 1 clinical trial for the potential treatment of neurodegenerative diseases. It has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and master collaboration agreement with Bristol Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. Prothena Corporation plc was incorporated in 2012 and is based in Dublin, Ireland.

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Scilex Holding Company Common Stock

Scilex Holding Company focuses on acquiring, developing, and commercializing non-opioid pain management products for the treatment of acute and chronic pain. Its commercial products include ZTlido (lidocaine topical system) 1.8% (ZTlido), a prescription lidocaine topical product for the relief of neuropathic pain associated with postherpetic neuralgia (PHN), which is a form of post-shingles nerve pain; ELYXYB, a ready-to-use oral solution for the acute treatment of migraine with or without aura in adults; and GLOPERBA, a liquid oral version of the anti-gout medicine colchicine indicated for the prophylaxis of painful gout flares in adults. The company also develops three product candidates, including SP-102 (10 mg, dexamethasone sodium phosphate viscous gel - SEMDEXA), a novel viscous gel formulation of a used corticosteroid for epidural injections, which has completed a phase 3 study to treat lumbosacral radicular pain or sciatica; SP-103 (lidocaine topical system) 5.4%, a formulation of ZTlido for the treatment of chronic neck pain and low back pain (LBP) that has completed a phase 2 trial; and SP-104 (4.5 mg low-dose naltrexone hydrochloride delayed-release capsules), a novel low-dose delayed-release naltrexone hydrochloride, which has completed phase 1 trials for the treatment of fibromyalgia. It has an agreement with Oishi and Itochu to develop lidocaine tape products, including ZTlido and SP-103; and Lifecore Biomedical, LLC for clinical trial material manufacturing and development services for SEMDEXA. Scilex Holding Company is headquartered in Palo Alto, California.

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