Integrated Biotherapeutics Inc. Partners with CARB-X the first Toxoid based Multivalent Vaccine for MRSA

ROCKVILLE, Md., Nov. 1, 2017 /PRNewswire/ -- Integrated Biotherapeutics Inc. announced today that is has been awarded up to $168,000, with the possibility of up to $8.3 million more based on the achievement of milestones, to develop the first entirely toxoid-based multivalent vaccine for the prevention of Methicillin Resistant Staphylococcus Aureus (MRSA).

"The CARB-X award will help us complete the preclinical studies and the Phase I clinical trial for IBT-V02, the first entirely toxoid based multivalent vaccine for the prevention of infections with Staph Aureus," said Dr. M Javad Aman, President and Chief Scientific Officer of Integrated Biotherapeutics.  "Antibiotic-resistant Staph Aureus is a major public health threat causing numerous cases of invasive disease with high mortality rates in the hospitals and communities across the globe and billions of dollars in healthcare costs."

Staphylococcus Aureus causes serious diseases including bloodstream infection, sepsis, endocarditis, surgical site infections, and pneumonia.  Methicillin-resistant Staph Aureus (MRSA) is currently a leading cause of these life-threatening infections with limited options for treatment.

IBT-V02 consists of five components representing toxoids for seven Staphylococcus Aureus toxins.  Due to cross-reactivity, these toxoids will elicit a protective response to 12-13 Staph Aureus toxins.CARB-X, which stands for Combating Antibiotic-Resistant Bacteria Biopharmaceutical Accelerator, was launched in July 2016.  This will be the first vaX portfolio, adding to the rich diversity of the pipeline and bringing a novel approach that could potentially prevent drug-resistant infection and save lives," said Kevin Outterson, Executive Director of CARB-X, the world's leading non-profit partnership dedicated to accelerating the development of antibiotics, diagnostics and other products to treat deadly infections caused by superbugs. "The projects in the new Powered by CARB-X portfolio are in the early stages of research, and there is always a high risk of failure. But if successful, these projects hold exciting potential in the fight against the deadliest drug-resistant bacteria."

 

ABOUT INTEGRATED BIOTHERAPEUTICS: IBT is a biotechnology company focused on the discovery​ of novel vaccines and therapies for emerging infectious diseases with a pipeline that includes promising product candidates for bacterial and viral infections including vaccines for Staphylococcal infections, unique pan-filovirus immunotherapeutics and vaccines, and a variety of other product candidates for emerging pathogens.  Located in Rockville, MD, IBT has a close working relationship with United States Government agencies including the National Institute of Allergy and Infectious Diseases (NIAID/NIH). National Cancer Research Institute (NCI), Department of Defense (DOD), United States Army Medical Research Institute of Infection Diseases (USAMRIID) as well as many biotechnology and pharmaceutical companies and academic laboratories.  For more information, visit www.integratedbiotherapeutics.com.    

About CARB-X:

 CARB-X is the world's largest public-private partnership devoted to early-stage antibacterial​ R&D. Funded by BARDA and Wellcome Trust, with in-kind support from NIAID, CARB-X will spend up to $455 million from 2016-2021 to support innovative antibiotics, vaccines and rapid diagnostics from 'hit-to-lead' stage through to Phase 1 clinical trials. CARB-X focuses on high priority drug-resistant bacteria, especially Gram-negatives. CARB-X is led by Boston University. Other partners include the Broad Institute of Harvard and MIT, MassBio, the California Life Sciences Institute and RTI International. For more information, please visit www.carb-x.org and follow us on Twitter @CARB_X.

 

Contacts:

CARB-X
Jennifer Robinson 
+1-514-914-8974 
jcrobinson119@icloud.com

Integrated Biotherapeutics
Robert Blackwell III
240-778-6513
rblackwell@integratedbiotherapeutics.com        

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Publications

Immunization-Elicited Broadly Protective Antibody Reveals Ebolavirus Fusion Loop as a Site of Vulnerability.  Zhao X, Howell KA, He S, Brannan JM, Wec AZ, Davidson E, Turner HL, Chiang CI, Lei L, Fels JM, Vu H, Shulenin S, Turonis AN, Kuehne AI, Liu G, Ta M, Wang Y, Sundling C, Xiao Y, Spence JS, Doranz BJ, Holtsberg FW, Ward AB, Chandran K, Dye JM, Qiu X, Li Y, Aman MJ.  Cell. 2017 May 18;169(5):891-904.e15. doi: 10.1016/j.cell.2017.04.038.

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Cooperativity Enables Non-neutralizing Antibodies to Neutralize Ebolavirus.  Howell KA, Brannan JM, Bryan C, McNeal A, Davidson E, Turner HL, Vu H, Shulenin S, He S, Kuehne A, Herbert AS, Qiu X, Doranz BJ, Holtsberg FW, Ward AB, Dye JM, Aman MJ.  Cell Rep. 2017 Apr 11;19(2):413-424. doi: 10.1016/j.celrep.2017.03.049.

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Protective efficacy of a novel alpha hemolysin subunit vaccine (AT62) against Staphylococcus aureus skin and soft tissue infections.  Adhikari RP, Thompson CD, Aman MJ, Lee JC.  Vaccine. 2016 Dec 7;34(50):6402-6407. doi:10.1016/j.vaccine.2016.09.061. Epub 2016 Nov 12.
 

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Safety and Immunogenicity of a Parenterally Administered, Structure-Based Rationally Modified Recombinant Staphylococcal Enterotoxin B Protein Vaccine, STEBVax. Chen WH, Pasetti MF, Adhikari RP, Baughman H, Douglas R, El-Khorazaty J, Greenberg N, Holtsberg FW, Liao GC, Reymann MK, Wang X, Warfield KL, Aman MJ. Clin Vaccine Immunol. 2016 Dec 5;23(12):918-925. Print 2016 Dec.
 

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A "Trojan Horse" Bispecific Antibody Strategy for Broad Protection against Ebolaviruses. Wec, A.Z. Nyakatura, E.K. Herbert, A.S. Howell, K.A. Holtsberg, F.W. Bakken, R.R. Mittler, E. Christin, J.R. Shulenin, S. Jangra, R.K. Bharrhan, S. Kuehne, A.I. Bornholdt, Z.A. Flyak, A.I. Saphire, E. Crowe Jr., J.E. Aman, M.J. Dye, J.M. Lai, J.R. Chandran, K. (2016) Science 8(2016). doi: 10.1126/science.aag3267

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Feverish Quest for Ebola Immunotherapy: Straight or Cocktail?  Aman, M.J. Saphire, EO. (2016) Trends Microbiol 10(1016). pii: SD966-842X(16)30049-X

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Zika Virus: A New Animal Model for an Arbovirus.  Aman, M.J. Kashanchi, F. (2016) PLoS Negl Trop Dis 10(5): e0004702. doi:10.1371/journal.pntd.0004702

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Virus-Like Particle Vaccination Protects Nonhuman Primates from Lethal Aerosol Exposure with Marburgvirus (VLP Vaccination Protects Macaques against Aerosol Challenges).  Dye JM, Warfield KL, Wells JB, Unfer RC, Shulenin S, Vu H, Nichols DK, Aman MJ, Bavari S. Viruses. 2016 Apr 8;8(4). pii: E94. doi: 10.3390/v8040094

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Antibody Treatment of Ebola and Sudan Virus Infection via a Uniquely Exposed Epitope within the Glycoprotein Receptor-Binding Site.  Howell KA, Qiu X, Brannan JM, Bryan C, Davidson E, Holtsberg FW, Wec AZ, Shulenin S, Biggins JE, Douglas R, Enterlein SG, Turner HL, Pallesen J, Murin CD, He S, Kroeker K, Vu H, Herbert AS, Fusco ML, Nyakatura EK, Lai JR, Keck ZY, Foung SKH, Saphire EO, Zeitlin L, Ward AB, Chandran K, Doranz BJ, Kobinger GP, Dye JM, Aman MJ. (2016) Cell Reports 15, 1–13.

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Monoclonal antibody therapy for Junin virus infection.  Zeitlin L, Geisbert JB, Deer DJ, Fenton KA, Bohorov O, Bohorova N, Goodman C, Kim D, Hiatt A, Pauly MH, Velasco J, Whaley KJ, Altmann F, Gruber C, Steinkellner H, Honko AN, Kuehne AI, Aman MJ, Sahandi S, Enterlein S, Zhan X, Enria D, Geisbert TW. Proc Natl Acad Sci U S A. 2016 Apr 19;113(16):4458-63.

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Aman MJ, Chasing Ebola through the Endosomal Labyrinth:, MBio, 2016, 7(2):e00346-16

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Holtsberg et al., Pan-ebolavirus and Pan-filovirus Mouse Monoclonal Antibodies: Protection against Ebola and Sudan Viruses, J Virol, 2014

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Keck et al., Macaque Monoclonal Antibodies Targeting Novel Conserved Epitopes within Filovirus Glycoprotein, J Virol, 2014

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Adhikari et al., Antibodies to S. aureus LukS-PV Attenuated Subunit Vaccine Neutralize a Broad Spectrum of Canonical and Non-Canonical Bicomponent Leukotoxin Pairs, PLoS One, 2015

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Fusco et al., Protective mAbs and Cross-Reactive mAbs Raised by Immunization with Engineered Marburg Virus GPs, PLoS Pathog, 2015

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Warfield et al., Homologous and heterologous protection of nonhuman primates by Ebola and Sudan virus-like particles, PLoS One, 2015

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Sully et al., A tripartite cocktail of chimeric monoclonal antibodies passively protects mice against ricin, staphylococcal enterotoxin B and Clostridium perfringens epsilon toxin, Toxicon, 2014

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Warfield et al., Vaccinating captive chimpanzees to save wild chimpanzees, Proc Natl Acad Sci USA, 2014

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Aman and Adhikari, Staphylococcal bicomponent pore-forming toxins: targets for prophylaxis and immunotherapy, Toxins, 2014

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Karauzum et al., Structurally designed attenuated subunit vaccines for S. aureus LukS-PV and LukF-PV confer protection in a mouse bacteremia model, PLoS One, 2013

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Adhikari et al., Lower antibody levels to Staphylococcus aureus exotoxins are associated with sepsis in hospitalized adults with invasive S. aureus infections, J Infect Dis, 2012

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Adhikari et al., Novel structurally designed vaccine for S. aureus α-hemolysin: protection against bacteremia and pneumonia, PLoS One, 2012.

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