Home » Open Orphan (ORPH) » #ORPH Open Orphan – Challenge virus manufacturing contract

#ORPH Open Orphan – Challenge virus manufacturing contract

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, announces that hVIVO , a subsidiary of Open Orphan, has signed a substantial contract with an existing top 5 global pharmaceutical client to manufacture a virus for use in human challenge studies.


Virus manufacturing activities have commenced and are expected to be completed by end of Q3 2022. The Company is optimistic that a characterisation study and a substantial human challenge study would follow the completion of the GMP-compliant manufacturing process. The aim of a characterisation study is to establish the right dose of the virus that causes a safe and reliable infection in healthy volunteers. The revenue for the manufacturing process will be recognised in 2022.


The manufacture of new challenge viruses ensures that hVIVO has contemporary challenge agents available to meet the needs of the global pharmaceutical industry as they continue to fight the battle against infectious disease. Furthermore, this ensures the Company continues to enhance and expand its offering of human challenge studies, especially among infectious diseases where variants continually emerge and are often poorly understood.


Yamin ‘Mo’ Khan, Chief Executive Officer of Open Orphan, said : “We are delighted to have secured this challenge virus manufacturing contract, from an existing Big Pharma client. This contract is testament to our world-class capabilities in the entire challenge trial process, beginning with virus manufacture, through to characterisation study and challenge study execution. This contract illustrates our ability to leverage this to build deep, long-lasting relationships with our clients over significant periods of time.

“This contract is also a further example of the Company’s ability to secure repeat contracts from its existing base of Big Pharma clients, who have great confidence in our decades of world leading clinical trial experience. With this experience coupled with our expanded offering following the facilities expansion, I look forward to providing further clinical services support to the significantly enlarged and growing infectious and respiratory disease market.”


The Company also confirms that it has no plans to delist and is working with Liberum to complete their due diligence following their appointment as Nominated Adviser to the Company. It looks forward to confirming the completion of the required due diligence in due course.

The wording included in the announcement dated 28 April 2022 announcing the appointment of Liberum as Nominated Adviser was standard wording for all former clients of Arden Partners given the relatively short notice provided to the Company to appoint and complete take-on of a new Nominated Adviser following the recommended takeover of Arden Partners by The Ince Group plc.

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.


Individuals interested in taking part in  COVID-19 human challenge study  research can learn more at   www.UKCovidChallenge.com .


For further information please contact:


Open Orphan plc

+353 (0) 1 644 0007

Cathal Friel, Executive Chairman

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)

Paul McManus / Sam Allen / Louis Ashe-Jepson

+44 (0)20 7933 8780 or openorphan@walbrookpr.com

+44 (0)7980 541 893 / +44 (0) 7502 558 258 /
+44 (0) 7747 515393  

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