The 12 closest competitors and alternatives to Clearside Biomedical, Inc. among biotech companies — ranked by similarity to what Clearside Biomedical, Inc. actually does, not by market-cap band.
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Clearside Biomedical, Inc. operates as a biopharmaceutical company, specializing in novel approaches to administer therapies to the posterior region of the eye via the suprachoroidal space. Its market-approved product, XIPERE, is an injectable suspension containing triamcinolone acetonide, utilized to manage macular edema associated with uveitis. Additionally, the firm is progressing CLS-AX, an axitinib injectable suspension intended for suprachoroidal injection, having concluded its Phase 2 clinical trial for the treatment of wet age-related macular degeneration (AMD). Strategic collaborations are in place with bausch + lomb ireland limited, Arctic Vision (Hong Kong) Limited, REGENXBIO, Inc., BioCryst Pharmaceuticals, Inc., and Aura Biosciences, Inc. Founded in 2011 and headquartered in Alpharetta, Georgia, Clearside Biomedical regrettably initiated Chapter 11 reorganization proceedings by filing a voluntary petition with the U.S. Bankruptcy Court for the District of Delaware on November 23, 2025.
Clearside Biomedical, Inc. is a biotech company headquartered in Alpharetta, United States, founded in 2011. It is publicly listed (CLSDQ) with a market capitalisation of $1.3M. Xcout tracks 13 named people at Clearside Biomedical, Inc., including Rafael V. Andino (Senior Vice President of Engineering & Manufacturing).
7 more named people on record for Clearside Biomedical, Inc., with roles, board committees and tenure — see the full roster →
Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Series B | $16M | — |
Some filings are not shown as funding rounds.
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Ranked by semantic similarity — how close each company is to Clearside Biomedical, Inc. by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Biotechnology
Ocular Therapeutix, Inc. is a biopharmaceutical company specializing in the creation, advancement, and commercialization of ophthalmic treatments. Their innovative approach leverages a proprietary bioresorbable hydrogel technology to address a range of eye diseases and conditions. The company currently offers two key products: ReSure Sealant, an ophthalmic device designed to prevent fluid leakage from corneal incisions after cataract surgery, and DEXTENZA, a dexamethasone-based ophthalmic insert used to manage post-surgical inflammation and pain in the eye, as well as to treat allergic conjunctivitis. In addition to their commercial offerings, Ocular Therapeutix is actively developing several product candidates in various clinical stages, including: OTX-TKI, an axitinib intravitreal implant in Phase 1 clinical trials for wet age-related macular degeneration (AMD) and other retinal diseases. OTX-TIC, a travoprost intracameral implant, currently in Phase 2 studies for open-angle glaucoma and ocular hypertension. OTX-CSI, a cyclosporine intracanalicular insert that has successfully completed Phase 2 clinical trials for dry eye disease. OTX-DED, a dexamethasone intracanalicular insert undergoing Phase 2 evaluation for the temporary relief of dry eye symptoms. Strategic partnerships are also a significant part of Ocular Therapeutix's operations. This includes a collaboration with Regeneron Pharmaceuticals, Inc. focused on developing and commercializing products that combine Ocular Therapeutix's sustained-release hydrogel technology with Regeneron's large molecule VEGF-targeting compounds for retinal disease treatment. Another partnership with AffaMed Therapeutics Limited covers the development and commercialization of DEXTENZA and OTX-TIC. Additionally, a discovery-focused collaboration with Mosaic Biosciences aims to pinpoint novel targets and therapeutic agents for dry age-related macular degeneration (dAMD). Established in 2006, Ocular Therapeutix, Inc. maintains its headquarters in Bedford, Massachusetts.
Similar biotech company
Kodiak Sciences Inc. is a biopharmaceutical firm currently in the clinical development phase, dedicated to discovering, advancing, and bringing to market treatments for various conditions affecting the retina. Their primary drug candidate, KSI-301, is an anti-vascular endothelial growth factor (anti-VEGF) antibody biopolymer. This compound is currently undergoing Phase IIb/III clinical trials, targeting illnesses such as wet age-related macular degeneration (AMD), diabetic macular edema, previously untreated macular edema resulting from retinal vein occlusion, and non-proliferative diabetic retinopathy. In its earlier, preclinical development pipeline, the company is also working on KSI-501, a bispecific conjugate designed for retinal conditions involving inflammation, and KSI-601, a triplet inhibitor aimed at addressing dry AMD. Established in 2009, this Palo Alto, California-based company operated under the name Oligasis, LLC before rebranding as Kodiak Sciences Inc. in September 2015.
Biotechnology
Aurion Biotech Inc. develops regenerative cell therapies for ophthalmology, focusing on treatments for corneal endothelial disease and vision loss. Its lead product, AURN001, is a combination therapy utilizing human corneal endothelial cells designed to restore corneal clarity and provide a minimally invasive alternative to traditional donor tissue transplantation. The company serves patients suffering from blindness and provides advanced treatment options for ophthalmologists.
Biotechnology
Lin BioScience is a clinical-stage biopharmaceutical company that discovers and develops novel, first-in-class drug candidates for the treatment of cancer, eye diseases, and metabolic diseases. The company serves patients with significant unmet medical needs through targeted therapies such as oral treatments for dry age-related macular degeneration, Stargardt disease, and acute leukemia.
Biotechnology
Kiora Pharmaceuticals, Inc., a specialty pharmaceutical firm operating at the clinical stage, is dedicated to the creation and commercialization of treatments for various ophthalmic conditions across the United States. Its flagship therapeutic candidate, KIO-301, is a groundbreaking small molecule undergoing Phase 1 clinical trials. This innovative "photoswitch" aims to revitalize vision in individuals suffering from both inherited and age-related forms of retinal degeneration. The company's pipeline also includes KIO-101, an eye drop currently in Phase 2 trials for addressing the ocular manifestations of rheumatoid arthritis, as well as non-infectious posterior uveitis. Furthermore, Kiora is advancing KIO-201, another eye drop, which is in Phase 3 clinical trials, designed to facilitate corneal wound healing following PRK surgery. Established in 1998, the company adopted its current name in November 2021, having previously operated as Eyegate Pharmaceuticals, Inc. Kiora Pharmaceuticals maintains its corporate headquarters in Salt Lake City, Utah.
Similar biotech company
Oculis Holding AG is a biopharmaceutical company in the clinical development stage, specializing in the creation of innovative eye drop medications for various ocular conditions, addressing both the anterior and posterior segments of the eye. A key asset in its therapeutic portfolio is OCS-01, a topical formulation of dexamethasone, currently progressing through Phase 3 clinical trials for the management of diabetic macular edema. Additionally, OCS-02, a topically administered biological candidate, is engaged in Phase 2b clinical studies to treat keratoconjunctivitis sicca, commonly known as dry eye disease. The company is also advancing OCS-05, an innovative neuroprotective agent, which targets acute optic neuritis and an array of other neuro-ophthalmic disorders, including glaucoma, diabetic retinopathy, geographic atrophy, and neurotrophic keratitis. This enterprise maintains its headquarters in Zug, Switzerland.
Biotechnology
REGENXBIO Inc. is a biotechnology company operating in the clinical stage, dedicated to developing gene therapy candidates. These therapies are designed to introduce genes into cells, aiming either to rectify genetic deficiencies or to stimulate the body's own cells to produce therapeutic proteins or antibodies to combat diseases. Central to its therapeutic development is the proprietary NAV Technology Platform, an adeno-associated virus-based gene delivery system. The company's primary investigational asset, RGX-314, is currently in Phase III clinical trials for treating wet age-related macular degeneration. Its pipeline also includes RGX-121 and RGX-111, both in Phase I/II trials for mucopolysaccharidosis type II and type I, respectively; RGX-181, which is in preclinical development for late-infantile neuronal ceroid lipofuscinosis type II disease; RGX-202, undergoing Phase I/II evaluation for Duchenne muscular dystrophy; and RGX-381, at the preclinical stage for addressing the ocular manifestations of CLN2 disease. In addition to its internal programs, REGENXBIO Inc. licenses its NAV Technology Platform to other biotech and pharmaceutical enterprises. It also maintains a collaborative and licensing agreement with Neurimmune AG for the advancement of innovative gene therapies. Founded in 2008, REGENXBIO Inc. maintains its headquarters in Rockville, Maryland.
Similar biotech company
Alkeus Pharmaceuticals, Inc. is a late-stage biopharmaceutical company based in Cambridge, Massachusetts, dedicated to developing treatments that preserve the sight of individuals impacted by severe eye diseases.
Biotechnology
ONL Therapeutics, Inc. is a clinical-stage biopharmaceutical company located in Michigan, United States, focused on the development of novel therapies for retinal diseases.
Biotechnology
Beacon Therapeutics is a clinical-stage biotechnology company dedicated to saving and restoring sight for people living with rare and prevalent ocular diseases. The company works to deliver advanced retinal gene therapies to patients experiencing blindness.
Similar biotech company
Annexon, Inc. is a biopharmaceutical company currently engaged in clinical trials, dedicated to the discovery and advancement of therapies for a variety of autoimmune, neurodegenerative, and ophthalmic conditions. Central to its approach is the C1q molecule, which initiates the classical complement pathway. The company targets this pathway to address specific disease mechanisms, such as those seen in antibody-mediated autoimmune disorders and complement-driven neurodegeneration. The company's developmental pipeline features several promising candidates. ANX005, a monoclonal antibody, is in advanced clinical testing, undergoing Phase II/III trials for Guillain-Barré syndrome, as well as Phase II trials for warm autoimmune hemolytic anemia, Huntington's disease, and amyotrophic lateral sclerosis. Another candidate, ANX009, is currently in Phase Ib studies for lupus nephritis. Additionally, ANX007 is progressing through Phase II clinical trials for the treatment of geographic atrophy, an eye disease. Further investigational assets include ANX105, a monoclonal antibody being developed for neurodegenerative indications, and ANX1502, an oral small molecule under investigation for specific autoimmune conditions. Annexon, Inc. was established in 2011 and operates from its headquarters in Brisbane, California.
Similar biotech company
Adverum Biotechnologies is a clinical-stage biotechnology research company headquartered in Redwood City, California. The company focuses on developing novel gene therapies designed to redefine ocular care and treat severe eye diseases.
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