Key Takeaways
- 25% tax credit on clinical testing for rare diseases.
- Requires FDA Orphan Drug Designation before claiming.
- Boosts biotech cash flow with exclusivity and fee waivers.
- Credit offsets high R&D costs for loss-making firms.
What is Orphan Drug Credit?
The Orphan Drug Credit (ODC) is a federal tax incentive designed to encourage the development of treatments for rare diseases, offering a nonrefundable credit equal to 25% of qualified clinical testing expenses. This credit applies only to drugs that receive prior Orphan Drug Designation from the FDA, addressing the high costs and limited market potential associated with rare disease therapies.
By targeting clinical trial expenses, the ODC supports companies in overcoming economic barriers, complementing other innovation incentives such as the R&D tax credit.
Key Characteristics
The Orphan Drug Credit features several important attributes that make it a critical tool for pharmaceutical developers:
- Credit Rate: Provides a 25% tax credit on qualified clinical testing expenses, reduced from 50% before 2018.
- Eligibility: Applies only to drugs with FDA Orphan Drug Designation for rare diseases affecting fewer than 200,000 people in the U.S. or unprofitable larger populations.
- Qualified Expenses: Includes wages, supplies, and contractor fees directly related to clinical trials during human testing phases.
- Non-Overlap Rule: Expenses claimed under ODC cannot be double-counted for the general R&D credit.
- Additional Incentives: Designation often grants market exclusivity and FDA fee waivers, enhancing overall project viability.
How It Works
To claim the Orphan Drug Credit, you must first secure FDA Orphan Drug Designation early in the development process. The credit applies only to qualified clinical testing expenses incurred between this designation and final FDA approval.
The credit offsets tax liability dollar-for-dollar, improving cash flow during costly clinical trials. If your company operates at a loss, unused credits can be carried back one year or forward twenty years, providing valuable flexibility for biotech firms reliant on sustained funding.
Examples and Use Cases
Several biotech firms leverage the Orphan Drug Credit to bring rare disease treatments to market despite limited profitability:
- Biotech Firms: Companies developing therapies for rare genetic disorders use the ODC to claim millions in tax credits on clinical trial costs.
- Large Pharma: Firms with orphan-designated drugs benefit from market exclusivity and FDA fee waivers, reducing overall expenses.
- Investment Impact: Investors looking at healthcare stocks often consider companies with orphan drug pipelines due to the financial incentives that improve project feasibility.
Important Considerations
When planning to utilize the Orphan Drug Credit, carefully track all qualified clinical expenses from the date of FDA designation through approval to ensure compliance. Remember that the credit cannot be claimed alongside the general R&D credit for the same costs.
Additionally, understanding the broader tax landscape, including credits like the Earned Income Credit, can help you optimize your overall tax position. For companies focusing on growth, consulting resources on growth stocks may also provide insights into market trends and investment opportunities linked to orphan drug development.
Final Words
The Orphan Drug Credit offers a valuable 25% offset on clinical testing expenses for rare disease treatments, helping to reduce the financial risks of drug development. Review your eligible costs carefully and consult a tax professional to maximize this credit on your next filing.
Frequently Asked Questions
The Orphan Drug Credit is a federal tax credit equal to 25% of qualified clinical testing expenses for developing drugs that diagnose, treat, or prevent rare diseases. It requires the drug to have FDA Orphan Drug Designation and helps offset high research and development costs.
To be eligible, a drug must target a rare disease affecting fewer than 200,000 people in the U.S., or more with no reasonable expectation of recovering development costs. The drug must have FDA Orphan Drug Designation, and expenses must be for clinical testing phases.
Qualified expenses include wages, supplies, and contractor fees directly related to human clinical testing phases (typically Phases 1-3). Foreign clinical testing costs may qualify if U.S. testing populations are insufficient.
The Orphan Drug Credit offers a higher credit rate of 25% of qualified clinical testing expenses, while the general R&D credit is around 8-10% of broader qualified expenses. However, companies cannot claim both credits on the same expenses.
In addition to the tax credit, FDA Orphan Drug Designation grants 7 years of market exclusivity post-approval, PDUFA fee waivers exceeding $4.3 million, PREA exemptions from pediatric studies, and enhanced visibility for funding and partnerships.
Yes, net-loss companies can carry back the Orphan Drug Credit one year and carry it forward up to 20 years, providing valuable cash flow benefits during their development stages.
Companies should claim the Orphan Drug Credit for expenses incurred during clinical testing phases before FDA approval. After approval, ongoing research expenses should be claimed under the general R&D tax credit.
The credit was established in 1983 to encourage development of treatments for rare diseases, which were often neglected due to limited profitability. Originally set at 50%, the credit rate was reduced to 25% by the 2017 Tax Cuts and Jobs Act but remains a key incentive in rare disease drug development.


