Egen Atkinson MD

Co-Founder and Managing Partner

26 past transactions

Neurogene

Post in 2024
Neurogene is a clinical-stage biotechnology company focused on developing genetic medicines for rare neurological diseases. It leverages its proprietary transgene regulation platform, EXACT, to create gene therapies with the aim of addressing high-need conditions. The company’s pipeline includes NGN-401 for Rett syndrome and NGN-101 for CLN5 Batten disease. Founded in 2018, Neurogene is headquartered in New York and concentrates on advancing therapies that can improve outcomes for patients with limited treatment options.

Inhibikase Therapeutics

Post in 2024
Inhibikase Therapeutics is a clinical-stage pharmaceutical company focused on developing therapeutics for Parkinson's Disease and related disorders affecting the brain and other parts of the body. The company's lead product candidate, IkT-148009, is a c-Abl protein kinase inhibitor aimed at treating Parkinson's Disease, dysphagia, and neurogenic constipation. Additionally, Inhibikase is advancing IkT-001Pro, a prodrug of the anti-cancer agent Imatinib, which is designed to reduce gastrointestinal side effects. Other notable candidates include IkT-01427, which targets the virus responsible for progressive multifocal leukoencephalopathy, and the IkT-148x series, intended for Dementia with Lewy Body and Multiple System Atrophy. Founded in 2008 and headquartered in Atlanta, Georgia, Inhibikase has also developed a small molecule platform that targets both bacterial and viral infectious diseases through a unified mechanism, aiming to create effective multi-pathogen anti-infectives while minimizing resistance development.

Oruka Therapeutics

Post in 2024
Oruka Therapeutics is advancing innovative biologics to redefine patient care standards in chronic skin diseases.

IDRx

Series B in 2024
IDRx is a clinical-stage biopharmaceutical company focused on developing precision therapies for oncology, specifically targeting gastrointestinal stromal tumors. The company specializes in designing precision combination therapies that utilize engineered drug combinations to address key tumor escape mechanisms and enhance the duration of therapeutic responses. Through its innovative approach, IDRx aims to transform cancer treatment by enabling healthcare professionals to create targeted cancer medicines tailored to individual patient needs.

Avalo Therapeutics

Post in 2024
Avalo Therapeutics is a clinical-stage biopharmaceutical company focused on developing targeted therapeutics for immune dysregulation disorders. Its lead asset, AVTX-009, is an anti-IL-1β monoclonal antibody targeting inflammatory diseases.

Nkarta Therapeutics

Post in 2024
Nkarta Therapeutics is a clinical-stage biopharmaceutical company focused on developing allogeneic, off-the-shelf engineered natural killer (NK) cell therapies. The company aims to harness the inherent power of NK cells to target and destroy tumor cells, offering a potent and better-tolerated alternative to traditional T-cell therapies for a broad range of cancer indications.

Enliven Therapeutics

Post in 2024
Founded in 2019, Enliven Therapeutics is a precision oncology company based in Boulder, Colorado. It focuses on developing small molecule therapies to extend and improve patient lives by targeting clinically validated biological targets with industry-leading chemistry.

MindMed

Post in 2024
Mind Medicine Inc. is a biopharmaceutical company focused on discovering, developing, and deploying psychedelic-inspired medicines and therapies aimed at addressing addiction and mental health issues. Headquartered in New York, the company is building a diverse drug development pipeline that includes innovative treatments derived from psychedelic substances such as Psilocybin, LSD, MDMA, DMT, and an Ibogaine derivative known as 18-MC. Founded in 2010 by JR Rahn, Scott Freeman, Leonard Latchman, and Stephen L. Hurst, MindMed is actively engaged in forming collaborations and conducting clinical trials to further explore the therapeutic potential of these substances in treating brain health disorders.

Cogent Biosciences

Post in 2024
Cogent Biosciences is a biotechnology company dedicated to developing precision therapies for genetically defined diseases, aiming to treat the underlying causes and improve patient lives. The company employs proprietary T-cell engineering technology alongside tumor-targeting antibodies to harness the body's immune system against cancer. One of its key programs, CGT9486, is a selective tyrosine kinase inhibitor designed to inhibit specific mutations in KIT exon 17, which are associated with Systemic Mastocytosis and advanced gastrointestinal stromal tumors (GIST).

Adverum Biotechnologies

Post in 2024
Adverum Biotechnologies is a clinical-stage company focused on developing gene therapies to treat ocular diseases. Its pipeline includes ADVM-022 for wet age-related macular degeneration, ADVM-043 for alpha-1 antitrypsin deficiency, and preclinical candidates for other indications.

Spyre Therapeutics

Post in 2023
Spyre Therapeutics is a biotechnology company focused on developing innovative antibody therapies to transform the treatment of inflammatory bowel disease (IBD).

Harpoon Therapeutics

Post in 2023
Harpoon Therapeutics, Inc. is a clinical-stage immunotherapy company based in South San Francisco, California, focused on developing a novel class of T cell engagers to harness the body's immune system for treating cancer and other diseases. The company utilizes its proprietary TriTAC (Tri-specific T cell Activating Construct) platform to create engineered proteins that direct T cells to target and kill cells expressing specific antigens. Harpoon's lead product candidate, HPN424, is currently undergoing Phase I clinical trials for metastatic castration-resistant prostate cancer. Additionally, the company is advancing other candidates, including HPN536, which is in Phase I/IIa trials for ovarian cancer and MSLN-expressing tumors, as well as HPN217 for multiple myeloma and HPN328 for small cell lung cancer. Harpoon Therapeutics was founded in 2015 and is committed to addressing unmet medical needs in oncology through innovative therapies.

SAb Biotherapeutics

Post in 2023
SAB Biotherapeutics is a clinical-stage biopharmaceutical company established in 2014, headquartered in Sioux Falls, South Dakota with additional offices in Cambridge, Massachusetts. The company specializes in developing immunotherapies using its proprietary DiversitAb platform, which employs transchromosomic cattle to produce large quantities of targeted human polyclonal antibodies without relying on human plasma or serum. SAB's pipeline includes therapies for conditions such as Type 1 diabetes (SAB-142), seasonal influenza (SAB-176), and Middle East Respiratory Syndrome Coronavirus (MERS-CoV, SAB-301).

VistaGen Therapeutics

Post in 2023
VistaGen Therapeutics is a clinical-stage biopharmaceutical company focused on developing medicines for central nervous system disorders. Its product candidates include AV-101, an orally available prodrug in Phase 2 for major depressive disorder and related symptoms; PH94B, a neuroactive nasal spray in preparation for Phase III clinical development for acute treatment of anxiety in adults with social anxiety disorder; and PH10, a neuroactive nasal spray planned for Phase 2b development for major depressive disorder. The company pursues licensing and collaboration arrangements to support development and commercialization with partners such as Pherin Pharmaceuticals, BlueRock Therapeutics, Cato Research, and EverInsight Therapeutics for PH94B in Asia. VistaGen was founded in 1998 and is headquartered in South San Francisco, California.

Soleno Therapeutics

Post in 2023
Soleno Therapeutics is a clinical-stage biopharmaceutical company focused on developing novel therapeutics for rare diseases. Its lead candidate, Diazoxide Choline Controlled Release (DCCR), an extended-release formulation of diazoxide, is being evaluated in Phase III trials for the treatment of Prader-Willi Syndrome.

Abivax

Post in 2023
Abivax is a France-based clinical-stage biotechnology company focused on developing therapeutics that harness the body's natural regulatory mechanisms to stabilize immune responses in autoimmune and inflammatory diseases. Its portfolio aims to address large unmet needs across autoimmune conditions, viral infections, and cancer, with obefazimod in Phase 3 trials for adults with moderately to severely active ulcerative colitis, an inflammatory bowel disease. The company relies on its drug development platforms to advance treatments that modulate the immune system and potentially extend benefits to other inflammatory indications.

Immunic Therapeutics

Post in 2022
Immunic Therapeutics is a clinical-stage biopharmaceutical company focused on developing selective oral immunology therapies to treat chronic inflammatory and autoimmune diseases. The company's pipeline includes three small molecule products. The lead program, IMU-838, is a selective immune modulator that blocks the enzyme DHODH, inhibiting the metabolism of activated immune cells and exhibiting antiviral effects. It is being developed for multiple sclerosis, ulcerative colitis, Crohn's disease, and primary sclerosing cholangitis. IMU-935, a selective inverse agonist of the transcription factor RORγt, targets psoriasis, castration-resistant prostate cancer, and Guillain-Barré syndrome. Additionally, IMU-856 aims to restore intestinal barrier function for diseases involving bowel barrier dysfunction.

Immunovant

Post in 2022
Immunovant is a clinical-stage biopharmaceutical company focused on developing monoclonal antibodies for treating autoimmune diseases. Its lead candidate, IMVT-1401, targets the neonatal Fc receptor (FcRn) and is in Phase II trials for myasthenia gravis, thyroid eye disease, and warm autoimmune hemolytic anemia.

Allakos

Post in 2022
Allakos is a clinical-stage biopharmaceutical company developing antibody-based therapeutics targeting immunomodulatory receptors on immune effector cells. Its pipeline focuses on allergic, inflammatory, and proliferative diseases, with lead programs targeting Siglec-6 (AK006) and Siglec-8.

Celcuity

Post in 2022
Celcuity is a clinical-stage biotechnology company that discovers new cancer sub-types and therapeutic options using its proprietary CELsignia diagnostic platform. This platform analyzes living tumor cells to identify specific abnormal cellular processes driving cancer, enabling the development of targeted therapies for patients.

Third Harmonic Bio

Series B in 2022
Third Harmonic Bio is a clinical-stage biopharmaceutical company dedicated to developing innovative therapies for severe allergies and inflammation. The company is focused on advancing its lead product candidate, THB001, which is a first-in-class, highly selective oral inhibitor of the KIT receptor, a key regulator of mast cell function and survival. Mast cells play a crucial role in mediating inflammation in allergic diseases, making this targeted approach significant for treatment. Additionally, Third Harmonic Bio is developing THB335, another potent and selective oral small-molecule KIT inhibitor aimed at addressing various mast cell-driven inflammatory conditions affecting the skin, airway, and gastrointestinal tract. Through its research and development efforts, Third Harmonic Bio seeks to provide new options for patients suffering from inflammatory diseases.

Nimbus Therapeutics

Venture Round in 2021
Nimbus Therapeutics, LLC is a biotechnology company based in Cambridge, Massachusetts, focused on discovering and developing innovative medicines for serious diseases, including metabolic disorders, cancer, and immune-inflammatory conditions. Founded in 2009, the company utilizes a computational technology-driven approach to advance a pipeline of novel small-molecule therapeutics. Nimbus Therapeutics specializes in designing allosteric inhibitors, notably targeting Acetyl-CoA Carboxylase for conditions such as non-alcoholic steatohepatitis and hepatocellular carcinoma. The company has established strategic partnerships with organizations like Charles River Laboratories and Celgene Corporation to enhance its drug development efforts. In March 2015, Nimbus Discovery rebranded itself as Nimbus Therapeutics to better reflect its transition into a clinical-stage enterprise.

Satsuma Pharmaceuticals

Post in 2021
Satsuma Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company focused on developing innovative treatments for migraine. The company's lead product candidate, STS101, is a drug-device combination that incorporates a proprietary dry-powder formulation of dihydroergotamine mesylate. Designed for self-administration, STS101 utilizes a pre-filled, single-use nasal delivery device, enhancing patient convenience and accessibility. The product is currently undergoing Phase III clinical trials, marking a significant step in its development. Founded in 2016, Satsuma is headquartered in South San Francisco, California.

Shoreline Biosciences

Venture Round in 2021
Shoreline Biosciences, Inc. is a biotechnology company based in La Jolla, California, founded in 2020. The company specializes in developing cell-based immunotherapies aimed at treating seriously ill patients. Shoreline's proprietary technology platform leverages advanced methods in induced pluripotent stem cell (iPSC) differentiation and genetic programming, specifically targeting the IL-15/CISH pathway. This approach enhances the metabolic fitness and persistence of engineered natural killer (NK) cells, improving their anti-cancer activity. Shoreline's focus includes creating clinically effective immunotherapies using iPSC-derived NK cells and macrophages, providing innovative and cost-effective treatment options for oncology and other serious health conditions.

Cogent Biosciences

Post in 2020
Cogent Biosciences is a biotechnology company dedicated to developing precision therapies for genetically defined diseases, aiming to treat the underlying causes and improve patient lives. The company employs proprietary T-cell engineering technology alongside tumor-targeting antibodies to harness the body's immune system against cancer. One of its key programs, CGT9486, is a selective tyrosine kinase inhibitor designed to inhibit specific mutations in KIT exon 17, which are associated with Systemic Mastocytosis and advanced gastrointestinal stromal tumors (GIST).

Mereo Biopharma

Post in 2020
Mereo Biopharma, established in London in 2015, specializes in acquiring and advancing late-stage drug candidates from larger pharmaceutical companies. These candidates, often overlooked due to resource constraints, target rare and specialized diseases with significant unmet medical needs. Mereo's strategy involves rapidly progressing these assets through clinical development, either by partnering or divesting them, or directly commercializing them, particularly in orphan disease indications. The company combines operational efficiency with financial resources, leveraging a unique partnership with a leading global CRO, ICON, to conduct comprehensive clinical studies. Mereo's focus is on transforming the lives of patients worldwide by developing innovative medicines that can significantly improve their quality of life.
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