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Humanigen Announces the Addition of BARDA and Expansion of CRADA with the U.S. Government to Develop Lenzilumab for COVID-19

Humanigen Announces the Addition of BARDA and Expansion of CRADA with the U.S. Government to Develop Lenzilumab for COVID-19

  • The Cooperative Research and Development Agreement (CRADA) with the Department of Defense (DoD) and the Biomedical Advanced Research and Development Authority (BARDA) supports the development of lenzilumab as a potential treatment for patients with COVID-19

BURLINGAME, Calif.–(BUSINESS WIRE)–Humanigen, Inc. (NASDAQ:HGEN) (“Humanigen”), a clinical stage biopharmaceutical company focused on preventing and treating an immune hyper-response called cytokine storm with its lead drug candidate lenzilumab™, today announced an expansion to the Cooperative Research and Development Agreement (CRADA) that the company had previously entered into with the Department of Defense Joint Program Executive Office for Chemical, Biological, Radiological and Nuclear Defense (JPEO-CBRND), to gain access to manufacturing capacity reserved by the Biomedical Advanced Research and Development Authority (BARDA), part of the Office of the Assistant Secretary for Preparedness and Response (ASPR) at the U.S. Department of Health and Human Services. The agreement supports development of lenzilumab in advance of a potential Emergency Use Authorization (EUA) for COVID-19.

The amended CRADA, now co-signed by BARDA, provides Humanigen with access to manufacturing capacity reserved by BARDA for fill-finish product to accelerate the drug product manufacturing of lenzilumab. The initial agreement, originally signed in November 2020, complements Humanigen’s development efforts for lenzilumab by providing access to a full-scale, integrated team of manufacturing and regulatory subject matter experts and statistical support in anticipation of applying for EUA and subsequently a Biologics License Application (BLA) for lenzilumab as a potential treatment for COVID-19. Lenzilumab is currently in a Phase 3 clinical trial evaluating patients hospitalized with COVID-19.

“It has been an honor to have the integrated expert team at BARDA prioritize lenzilumab research and development during this critical time,” said Cameron Durrant, MD, MBA, chief executive officer of Humanigen. “As we move closer to filing a potential EUA, the integrated support of BARDA and JPEO helps us with manufacturing capabilities as we ready operations to support access to lenzilumab.”

Humanigen’s investigational treatment lenzilumab, a proprietary Humaneered® anti-human granulocyte macrophage-colony stimulating factor (GM-CSF) monoclonal antibody, is designed to prevent and treat an immune hyper-response called cytokine storm, a complication considered to be a leading cause of COVID-19 death. Data showed that up to 89 percent of hospitalized patients with COVID-19 are at risk of this immune hyper-response, which is believed to trigger the acute respiratory distress syndrome in severe cases of COVID-19.

More details on Humanigen’s programs in COVID-19 can be found on the company’s website under the COVID-19 tab. Details on the U.S. Phase 3 lenzilumab clinical trial can be found at using Identifier NCT04351152. Details on ACTIV-5/BET can be found at using Identifier NCT04583969.

About Humanigen, Inc.

Humanigen, Inc. is developing its portfolio of clinical and pre-clinical therapies for the treatment of cancers and infectious diseases via its novel, cutting-edge GM-CSF neutralization and gene-knockout platforms. Humanigen believes that its GM-CSF neutralization and gene-editing platform technologies have the potential to reduce the inflammatory cascade associated with coronavirus infection. Humanigen’s immediate focus is to prevent or minimize the cytokine release syndrome that precedes severe lung dysfunction and ARDS in serious cases of SARS-CoV-2 infection. Humanigen is also focused on creating next-generation combinatory gene-edited CAR-T therapies using strategies to improve efficacy while employing GM-CSF gene knockout technologies to control toxicity. In addition, Humanigen is developing its own portfolio of proprietary first-in-class EphA3-CAR-T for various solid cancers and EMR1-CAR-T for various eosinophilic disorders. Humanigen is also exploring the effectiveness of its GM-CSF neutralization technologies (either through the use of lenzilumab as a neutralizing antibody or through GM-CSF gene knockout) in combination with other CAR-T, bispecific or natural killer (NK) T cell engaging immunotherapy treatments to break the efficacy/toxicity linkage, including to prevent and/or treat graft-versus-host disease (GvHD) in patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT). Additionally, Humanigen and Kite, a Gilead Company, are evaluating lenzilumab in combination with Yescarta® (axicabtagene ciloleucel) in patients with relapsed or refractory large B-cell lymphoma in a clinical collaboration. For more information, visit and follow Humanigen on LinkedInTwitter and Facebook.

Forward-Looking Statements

This press release contains forward-looking statements. Forward-looking statements reflect management’s current knowledge, assumptions, judgment and expectations regarding future performance or events. Although Humanigen management believes that the expectations reflected in such statements are reasonable, they give no assurance that such expectations will prove to be correct and you should be aware that actual events or results may differ materially from those contained in the forward-looking statements. Words such as “will,” “expect,” “intend,” “plan,” “potential,” “possible,” “goals,” “accelerate,” “continue,” and similar expressions identify forward-looking statements, including, without limitation, statements regarding the use of lenzilumab to treat patients hospitalized with COVID-19, Humanigen’s expectations regarding the timeline to file for and obtain EUA, as well as a potential BLA filing, statements regarding Humanigen’s ability to attain necessary manufacturing support, and statements regarding Humanigen’s beliefs relating to any of the other technologies in Humanigen’s current pipeline. These forward-looking statements are subject to a number of risks and uncertainties including, but not limited to, the risks inherent in Humanigen’s lack of profitability and need for additional capital to grow Humanigen’s business; Humanigen’s dependence on partners to further the development of Humanigen’s product candidates; the uncertainties inherent in the development, attainment of the requisite regulatory approvals or authorization for emergency or broader patient use for the product candidate and launch of any new pharmaceutical product; the outcome of pending or future litigation; and the various risks and uncertainties described in the “Risk Factors” sections and elsewhere in the Humanigen’s periodic and other filings with the Securities and Exchange Commission.

All forward-looking statements are expressly qualified in their entirety by this cautionary notice. You should not place undue reliance on any forward-looking statements, which speak only as of the date of this release. Humanigen undertakes no obligation to revise or update any forward-looking statements made in this press release to reflect events or circumstances after the date hereof or to reflect new information or the occurrence of unanticipated events, except as required by law.


Alan Lada
Solebury Trout

Cammy Duong
Westwicke, an ICR company

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