If you are a pharma company looking for low-risk orphan drug opportunities — this project advanced carbamazepine through Phase 1 and Phase 2/3 clinical trials for MCDS, a condition affecting fewer than 1 in 100,000 people. The drug already has orphan drug designation from the European Commission (granted September 2016) and is FDA-approved for other indications, which dramatically cuts your regulatory and development costs. With 225,000 people affected by genetic skeletal diseases across the EU, this could be the first entry point into a broader rare bone disease market.
Repurposing a Common Epilepsy Drug to Treat Rare Childhood Bone Disease
Imagine a child's bones don't grow properly because a single protein misfolds inside their cells, clogging up the cell's recycling system. That's what happens in a rare bone disorder called MCDS. This team discovered that carbamazepine — a cheap, widely available epilepsy medication already on pharmacy shelves — can unclog that system and help bones grow normally again. They ran multinational clinical trials across Europe and Australia to prove it works safely in children, potentially giving families an affordable treatment where none existed before.
What needed solving
Genetic skeletal diseases affect at least 1 in 4,000 children — roughly 225,000 people across the EU — causing chronic pain, disability, and high healthcare costs with no approved drug treatments. MCDS is one of over 450 such conditions with zero targeted therapies on the market. Developing new drugs from scratch for such small patient populations is economically unviable for most pharma companies.
What was built
The project ran Phase 1 and Phase 2/3 multinational clinical trials repurposing carbamazepine for MCDS across EU and Australian sites. It also produced health economics models (Budget Impact Analysis and Cost-Effectiveness Analysis) for the UK, Germany, and Italy, plus biomarker development work for personalised treatment strategies.
Who needs this
Who can put this to work
If you are a health economics consultancy advising pharma clients on rare disease pricing and reimbursement — this project developed conceptual Budget Impact Analysis and Cost-Effectiveness Analysis models mapping the natural history of MCDS and care pathways in the UK, Germany, and Italy. These ready-made economic models for a rare skeletal disease could serve as templates or reference cases for your client engagements in the orphan drug space.
If you are a diagnostics company developing biomarker-based tests for rare diseases — this project included biomarker development to personalise treatment strategies for MCDS patients. With genetic skeletal diseases collectively affecting at least 1 per 4,000 children, validated biomarkers from this project could support companion diagnostic development or patient stratification tools applicable across the broader family of over 450 characterised skeletal disease phenotypes.
Quick answers
How much would it cost to bring this repurposed drug to market?
Carbamazepine already exists in generic form, which the project specifically highlights as making it an affordable repurposed therapy. Development costs are significantly lower than a new molecule since manufacturing, safety data, and supply chains already exist. However, the remaining costs for completing regulatory filings (Marketing Authorization Application) are not specified in the project data.
Can this scale beyond the initial rare disease indication?
The project targets MCDS specifically (fewer than 1 in 100,000 people), but genetic skeletal diseases as a group include over 450 unique phenotypes affecting at least 1 per 4,000 children — roughly 225,000 people across the EU. If the mechanism of alleviating ER stress proves transferable to related conditions, the addressable market expands considerably. The biomarker work could help identify which patients across these conditions might respond.
What is the IP and licensing situation?
Carbamazepine is an off-patent, generic drug, so there are no molecule patents to license. However, the orphan drug designation granted by the European Commission in September 2016 provides market exclusivity for the MCDS indication in Europe. The clinical trial data, biomarkers, and health economics models generated by this 12-partner consortium represent the proprietary value.
What regulatory approvals has this achieved so far?
The drug received European Commission orphan drug designation for MCDS treatment in September 2016. Carbamazepine is already FDA-approved for epilepsy and bipolar disorder. The project conducted Phase 1 and Phase 2/3 multinational clinical trials across EU countries and Australia, aiming to advance up to the Marketing Authorization Application dossier.
What is the project timeline and current status?
The project ran from December 2017 to May 2024 (extended from the original 2022 end date due to COVID-related delays). It is now closed. The clinical trials were multinational, conducted across sites in the UK, Germany, Italy, France, Belgium, and Australia.
What health economics evidence is available?
The project developed conceptual Budget Impact Analysis and Cost-Effectiveness Analysis models mapping disease natural history and care sequences in the UK, Germany, and Italy. These models provide the economic evidence base that payers and health technology assessment bodies typically require before approving reimbursement for orphan drugs.
Who are the key partners and what expertise do they bring?
The consortium includes 12 partners across 6 countries, with world-renowned clinical centres and SMEs. It comprises 3 universities, 6 research organisations, and 2 industry partners (including 2 SMEs). The coordinator is the University of Newcastle upon Tyne in the UK, a leading centre for skeletal disease research.
Who built it
The 12-partner consortium spans 6 countries (UK, Germany, France, Italy, Belgium, Australia) with a research-heavy composition: 6 research organisations, 3 universities, and 2 industry partners including 2 SMEs. The 17% industry ratio is typical for a clinical trial project where academic medical centres lead patient recruitment and trial execution. The multinational spread across major EU markets (UK, Germany, Italy, France) is strategically important — the health economics models were built specifically for these markets. The inclusion of Australia extends the clinical evidence base beyond Europe. For a business partner, the key insight is that the clinical infrastructure and regulatory groundwork already spans the EU's largest healthcare markets.
- UNIVERSITY OF NEWCASTLE UPON TYNECoordinator · UK
- ASSISTANCE PUBLIQUE HOPITAUX DE PARISparticipant · FR
- ISTITUTO ORTOPEDICO RIZZOLIparticipant · IT
- FINOVATISparticipant · FR
- UNIVERSITAIR ZIEKENHUIS ANTWERPENparticipant · BE
- MURDOCH CHILDRENS RESEARCH INSTITUTE PUBLIC COMPANY LBGparticipant · AU
- ALMA MATER STUDIORUM - UNIVERSITA DI BOLOGNAthirdparty · IT
- GUYS AND ST THOMAS' NHS FOUNDATIONTRUSTparticipant · UK
- UNIVERSITAETSKLINIKUM FREIBURGparticipant · DE
- THE NEWCASTLE UPON TYNE HOSPITALS NHS FOUNDATION TRUSTthirdparty · UK
University of Newcastle upon Tyne, UK — reach out to their rare disease or musculoskeletal research department
Talk to the team behind this work.
Want an introduction to the MCDS-Therapy team to discuss licensing, partnership, or market access? Contact SciTransfer for a facilitated connection.