TIDMORPH

Open Orphan PLC

12 May 2022

Open Orphan plc

("Open Orphan" or the "Company")

Key considerations document for developing and manufacturing challenge agents published

Open Orphan plc (AIM: ORPH), a rapidly growing specialist contract research organisation (CRO) and world leader in testing infectious and respiratory disease products using human challenge clinical trials, notes a key considerations document for developing and manufacturing challenge agents published in the Wellcome Open Research Journal co-authored by Alex Mann, Senior Director of Clinical Research of hVIVO and the project lead , a subsidiary of Open Orphan plc, titled 'Considerations on the Principles of Development and Manufacturing Qualities of Challenge Agents For Use In Human Infection Models'.

The project was funded by the Wellcome Trust and HIC-Vac, an international network of researchers who are developing human infection challenge (HIC) studies to accelerate the development of vaccines, based at Imperial College London. The considerations document was prepared by an hVIVO led consortium , involving engagement with global experts in the human challenge field and manufacturing. It outlines the key aspects of the development, characterisation and manufacture of infectious challenge agents. The aim of the document is to promote volunteer safety whilst maximising access to challenge agents and challenge models in low-income or middle-income countries (LMICs) and academic institutions globally.

It is hoped that these considerations will be used across high-, middle- and low-income countries for the safe production of challenge agents by trained personnel with appropriate facilities, quality control measures and other best practices.

The increase in human challenge studies being established in LMICs and the need for challenge agents to reflect naturally occurring and epidemiologically relevant pathogen strains means there is an increased likelihood that they will be manufactured in conditions where full Good Manufacturing Practice ("GMP") is not possible. This document fills the previous gap of clear guidance on the minimum requirements for high-quality and safe manufacture outside of GMP facilities.

Challenge agents are the viruses, parasites, bacteria used in human challenge trials that volunteers are purposely challenged with. Depending on the design of the trial, the volunteers may or may not be administered a trial drug candidate before or after being exposed to the challenge agent to provide early proof of concept, allowing the candidate to progress more quickly to phase II or phase III trials.

Wellcome Open Research provides all Wellcome researchers with a place to rapidly publish any results they think are worth sharing. All articles benefit from rapid publication, transparent peer review and editorial guidance on making all source data openly available.

Yamin Khan, Chief Executive Officer of Open Orphan, said: "As the world leader in conducting human challenge studies I am delighted that Open Orphan continues to play a key role in democratising access to human challenge trials. This latest document provides clear considerations for challenge agent manufacturing, where previously a gap existed regarding the minimum requirements for high-quality safe manufacture outside of GMP facilities. Human challenge trials have clear advantages over traditional clinical field trials, and their global adoption will be vital to progressing the development of vaccines and anti-infectives around the world."

Alex Mann, Project leader and Senior Director, Clinical Science at hVIVO, said: "I was pleased to co-author the considerations document and the associated summary publication in collaboration with the Wellcome Trust and HIC-Vac, that recommends key aspects for researchers to consider for challenge agent development and manufacturing. In recent years, there has been an increase in human challenge studies in low- or middle-income countries where GMP facilities are not readily available. This document will support the development, characterisation and manufacture of challenge agents in these settings, while also maximising volunteer safety and access to challenge agents and challenge models."

Shobana Balasingam, Research Lead in Infectious Disease Prevention at Wellcome, said: "The guidance to manufacture safe and effective challenge agents under GMP conditions differs globally and is not always feasible, which can slow down vital research, particularly in low- and middle-income countries where this research is often most-needed. However, guidelines for manufacturing outside of GMP facilities are not currently available.

"As funders of global infectious disease research, Wellcome are please to support this clear and practical document for developing challenge agents where GMP is not possible. This guidance can ensure the full potential of human infection studies around the world, which provide crucial insight into infectious diseases, helping to rapidly accelerate the development of vaccines."

An editorial will be published alongside the report: 'Considerations on the Principles of Development and Manufacturing Qualities of Challenge Agents For Use In Human Infection Models' by Shobana Balasingam, Sarah Meillon(,) Cecilia Chui, Alex Mann, Carine La, Charlie Weller, Debbie King and Emma Smith. Available in Wellcome Open Research. DOI: https://doi.org/10.12688/wellcomeopenres.17869.1

Interested in becoming a volunteer?

hVIVO recruits many of its volunteers for its challenge study clinical trials through its dedicated volunteer recruitment website, www.flucamp.com . By volunteering to take part in one of our studies in a safe, controlled, clinical environment under expertly supervised conditions you are playing your part to further medical research and help increase the understanding of respiratory illnesses.

For further information please contact:

 
 Open Orphan plc                                                          +353 (0) 1 644 0007 
 Yamin Khan, Chief Executive Officer 
 
 Liberum Capital (Nominated Adviser 
  and Joint Broker)                                                      +44 (0) 20 3100 2000 
 Ben Cryer/ Edward Mansfield/ Phil 
  Walker/ Will King 
 
 finnCap plc (Joint Broker)                                              +44 (0) 20 7220 0500 
 Geoff Nash / James Thompson / Richard 
  Chambers 
 
 Davy (Euronext Growth Adviser and 
  Joint Broker)                                                           +353 (0) 1 679 6363 
 Anthony Farrell 
 
 Walbrook PR (Financial PR & IR)             +44 (0)20 7933 8780 or openorphan@walbrookpr.com 
  Paul McManus / Sam Allen / Louis                     +44 (0)7980 541 893 / +44 (0) 7502 558 
  Ashe-Jepson                                                                           258 / 
                                                                           +44 (0)7747 515393 
 
 

Notes to Editors

Open Orphan plc

Open Orphan plc (London and Euronext: ORPH) is a rapidly growing contract research company that is a world leader in testing infectious and respiratory disease products using human challenge clinical trials. The Company provides services to Big Pharma, biotech, and government/public health organisations.

The Company has a leading portfolio of human challenge study models for infectious and respiratory diseases and is developing a number of new models, such as malaria and COVID-19, to address the dramatic growth of the global infectious disease market. The Paris and Breda offices have over 25 years of experience providing drug development services such as biometry, data management, statistics CMC, PK and medical writing to third party clients as well as supporting the London-based challenge studies.

Open Orphan runs challenge studies in London from its Whitechapel quarantine clinic, its state-of-the-art QMB clinic with its highly specialised on-site virology and immunology laboratory, and its newly opened clinic in Plumbers Row. To recruit volunteers / patients for its studies, the Company leverages its unique clinical trial recruitment capacity via its FluCamp volunteer screening facilities in London and Manchester. The newly opened facilities have expanded the scope of the business to enable the offering of Phase I and Phase II vaccine field trials, PK studies, bridging studies, and patient trials as part of large international multi-centre studies.

Building upon its many years of challenge studies and virology research, the Company is developing an in-depth database of infectious disease progression data. Based on the Company's Disease in Motion(R) platform, this unique dataset includes clinical, immunological, virological, and digital (wearable) biomarkers.

About Wellcome

Wellcome supports science to solve the urgent health challenges facing everyone. We support discovery research into life, health and wellbeing, and we're taking on three worldwide health challenges: mental health, global heating and infectious diseases.

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