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2021 James S. Huston Antibody Science Talent Award winner is announced!

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We are delighted to announce that Dr. Laura M. Walker has been selected as the 2021 James S. Huston Antibody Science Talent Award Recipient!

Dr. Walker is the Senior Director of Antibody Sciences at Adimab and the Chief Scientific Officer and a co-founder of Adagio Therapeutics. Her team at Adimab is focused on understanding human B cell responses to viral infection and discovering broadly neutralizing antibodies to a wide variety of emerging viral pathogens, including Ebola, Zika, yellow fever, and SARS-CoV-2. At Adagio, Laura oversees a broad portfolio of research in the area of viral immunology, including the identification of potent and broadly neutralizing antibodies to advance into clinical development. Prior to joining Adimab in 2012, Dr. Walker earned her Ph.D. in Immunology and Microbiology in Prof. Dennis Burton’s laboratory at The Scripps Research Institute and completed a post-doctoral research fellowship in Immunology at The University of California-San Francisco. Dr. Walker has received multiple fellowships and awards, including the Endpoints News “The 20 under 40 in biopharma” award in 2020.

The James S. Huston Antibody Science Talent Award is sponsored by The Antibody Society to recognize and encourage upcoming scientists in the field of Antibody Engineering and Therapeutics. Early career research scientists who have received an advanced degree (Ph.D., M.D., or equivalent) within the past ten (10) years are eligible for the Award. The scientist is recognized for making important contributions to the antibody field and/or the dissemination of antibody knowledge. The recipient will be invited to give a lecture on their work, which will be made available on-line on The Antibody Society’s website, and to give a lecture at the Antibody Engineering & Therapeutics conference in December 2021.

The award includes: international recognition of the scientist’s accomplishments, a $1500 USD prize, and travel costs and registration fees to attend the annual Antibody Engineering & Therapeutics conference in San Diego, California.
 

Tisotumab vedotin approved by FDA for cervical cancer

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On September 20, 2021, FDA granted accelerated approval to TIVDAK (tisotumab vedotin-tftv) for the treatment of adult patients with recurrent or metastatic cervical cancer with disease progression on or after chemotherapy. The BLA for TIVDAK for this indication was given a Priority review. TIVDAK’s approval was based on tumor response and the durability of the response; verification and description of clinical benefit in confirmatory trials may be necessary for continued approval for this indication.

TIVDAK is an ADC comprising Genmab’s human tissue factor IgG1k antibody targeting tissue factor conjugated to MMAE via a protease-cleavable linker using Seagen’s ADC technology. The companies are co-developing the product. The recommended dose of TIVDAK is 2 mg/kg (up to a maximum of 200 mg) given as an intravenous infusion over 30 minutes every 3 weeks until disease progression or unacceptable toxicity.

FDA’s approval was based on results of the pivotal single-arm Phase 2 innovaTV 204 study (NCT03438396), which included 101 patients with recurrent or metastatic cervical cancer who had received no more than two prior systemic regimens in the recurrent or metastatic setting, including at least one prior platinum-based chemotherapy regimen. Patients received tisotumab vedotin 2.0 mg/kg IV every 3 weeks  until progression or toxicity. The major efficacy outcome measures were confirmed objective response rate as assessed by an independent review committee using RECIST v1.1 criteria and duration of response (DOR). The objective response rate was 24% [95% CI: 15.9%-33.3%], including 7 patients (7%) with a complete response and 17 patients (17%) with a partial response, and the median DOR was 8.3 months (95% CI: 4.2, not reached).

TIVDAK is the 9th antibody therapeutic to be first approved for marketing in the EU or US in 2021. Explore our searchable table of antibody therapeutics approved in the US or EU for details.

FDA issues Complete Response Letter for oportuzumab monatox BLA

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Oportuzumab monatox (Vysyneum™, Vicineum®, VB4-845) is a humanized single-chain variable fragment (scFv) targeting epithelial cell adhesion molecule fused to Pseudomonas aeruginosa exotoxin A (ETA(252-608). Sesen Bio is developing the drug, administered intravesically or intratumorally, as a treatment of high-risk non-muscle invasive bladder cancer (NMIBC) that is unresponsive to treatment with bacillus Calmette-Guérin (BCG). Oportuzumab monatox was granted FDA’s Fast Track designation for the treatment of NMIBC.

Sesen Bio’s rolling BLA submission for oportuzumab monatox for the treatment of BCG-unresponsive NMIBC was completed in December 2020, and accepted by FDA and granted Priority Review in February 2021. On August 13, 2021, the company announced that it received a Complete Response letter from the FDA in which the agency provided recommendations specific to additional clinical and statistical data and analyses, as well as Chemistry, Manufacturing and Controls (CMC) issues. Sesen Bio plans to work with FDA to address the concerns expressed in the letter. If another clinical trial is required, the company projects resubmitting the BLA in 2023. [1]

Sesen Bio submitted an MAA to the EMA for oportuzumab monatox for the treatment of high-risk, BCG-unresponsive non-muscle invasive bladder cancer (NMIBC) in March 2021, but withdrew the application in August 2021. [2]

Bimekizumab authorized for marketing in the EU

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On August 20, 2021, the European Commission authorized marketing of Bimzelx (bimekizumab) in the EU for the treatment of moderate to severe plaque psoriasis in adults who are candidates for systemic therapy. Bimekizumab is a humanized IgG1 kappa antibody that selectively inhibits IL-17A and IL-17F by binding regions that are common to these pro-inflammatory cytokines, which share ~50% sequence identity and are expressed as homodimers and IL-17A/F heterodimers. Bimekizumab is approved at a recommended dose of 320 mg, administered by two subcutaneous injections every four weeks to week 16 and every eight weeks thereafter. [1]

The decision to grant a marketing approval was supported by results from 3 Phase 3 studies that included an active comparator arm, ustekinumab (Stellara®; BE VIVID study; NCT03370133), adalimumab (Humira®; BE SURE study; NCT03412747), or secukinumab (Cosentyx®; BE RADIANT study; NCT03536884). All three pivotal studies met their co-primary endpoints at Week 16, demonstrating superiority of bimekizumab over the active comparator in certain defined measures (e.g., Psoriasis Area and Severity Index). Clinical responses achieved with bimekizumab at Week 16 were maintained up to one year. [2-4] Coprimary endpoints were also met in the Phase 3 BE READY study (NCT03410992), which investigated the efficacy and safety of bimekizumab in patients with moderate to severe plaque psoriasis compared to placebo. [5]

Bimzelx is the 8th antibody therapeutic to be first approved for marketing in the EU or US in 2021.

  1. European Medicines Agency. Bimzelx public assessment report.
  2. Reich K, Papp KA, Blauvelt A, et al. Bimekizumab versus ustekinumab for the treatment of moderate to severe plaque psoriasis (BE VIVID): efficacy and safety from a 52-week, multicentre, double-blind, active comparator and placebo-controlled phase 3 trial. Lancet. 2021;397(10273):487-498.
  3. Warren RB, Blauvelt A, Bagel J, et al. Bimekizumab versus Adalimumab in Plaque Psoriasis. N Engl J Med. 2021;385(2):130-141.
  4. Reich K, Warren RB, Lebwohl M, Gooderham M, Strober B, Langley RG, Paul C, De Cuyper D, Vanvoorden V, Madden C, Cioffi C, Peterson L, Blauvelt A. Bimekizumab versus Secukinumab in Plaque Psoriasis. N Engl J Med. 2021 Jul 8;385(2):142-152.
  5. Gordon KB, Foley P, Krueger JG, et al. Bimekizumab efficacy and safety in moderate to severe plaque psoriasis (BE READY): a multicentre, double-blind, placebo-controlled, randomised withdrawal phase 3 trial. Lancet. 2021;397(10273):475-486.

FDA approves anifrolumab for systemic lupus erythematosus

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On July 30, 2021, the US Food and Drug Administration approved AstraZeneca’s Saphnelo (anifrolumab-fnia) for the treatment of adult patients with moderate to severe systemic lupus erythematosus (SLE) who are receiving standard therapy. The recommended dosage is 300 mg administered as an intravenous infusion over a 30-minute period every 4 weeks. Saphnelo is undergoing regulatory review for SLE in the EU and Japan.

Anifrolumab (MEDI-546) is an interferon (IFN) alpha receptor 1 (IFNAR1)-specific human IgG1κ antibody. It binds to subunit 1 of IFNAR1, thereby blocking the action of different type I IFNs (IFN-α, IFN-β and IFN-ω). The heavy chain of the antibody incorporates 3 mutations, L234F, L235E, and P331S, to decrease effector functions. Type I IFNs are involved in the pathogenesis of SLE, and ~ 60-80% of adult patients with active SLE express elevated levels of type I IFN-inducible genes.

FDA’s approval was based in part on efficacy and safety data from two TULIP Phase 3 trials and the MUSE Phase 2 trial. In these trials, more patients treated with Saphnelo experienced a reduction in overall disease activity across organ systems, including skin and joints, and achieved sustained reduction in oral corticosteroid use compared to placebo, with both groups receiving standard therapy. Clinical study results from the Phase 3 TULIP-2 and TULIP-1 trials were published in The New England Journal of Medicine and in The Lancet Rheumatology, respectively,  while results from the MUSE Phase 2 trial were published in Arthritis & Rheumatology.

Need help keeping up to date on US and EU approvals?

The Antibody Society maintains a comprehensive table of approved monoclonal antibody therapeutics and those in regulatory review in the EU or US in the Web Resources section of our website.