For years, Sara worked in a hospital, making care possible for others. Now, after being diagnosed with breast cancer, she was the one in need of care.
Collectively, rare diseases affect over 30 million Americans. The Orphan Drug Act (ODA), which provides the statutory basis for FDA to designate a drug or biologic agent as a therapy for a rare disease or condition, was signed into law in 1983 to promote product development for rare conditions by providing financial and other incentives to developers of rare disease therapeutics.
An “Orphan Product” is a drug, biologic, device or medical food that is used for the prevention, diagnosis, or treatment of a “rare disease,” which is defined by FDA as a disease or condition that has a prevalence of fewer than 200,000 affected individuals in the United States.
A product can still receive Orphan Designation for a particular rare disease indication, if the US prevalence is higher than 200,000, but the sponsor must demonstrate that the drug shows promise for the prevention, diagnosis, or treatment of a rare disease or condition and that they would be unable to recoup the costs of development.
The Orphan Drug Designation (ODD) process begins when an applicant submits an ODD request to the Agency. It is important to highlight that ODD applications are not submitted to a specific FDA Product Office, but rather, are reviewed by the Office of Orphan Drug Products (OODP), a centralized Office at FDA that determines whether products qualify for ODD. The major criteria for ODD are based on the size of patient population (fewer than 200,000 affected individuals in the US) and demonstration of the drug’s promise in prevention, diagnosis, or treatment of a rare disease or condition. Evidence of the drug’s potential benefit can come from preclinical and/or clinical data. An ODD application can be submitted to the Agency at any time during development, but it’s typically submitted prior to initial IND application.
Orphan Drug Designation affords sponsors of drug or biologic products the privilege of taking advantage of three special incentives provided by the ODA and its subsequent Amendments:
Parexel is ready to assist sponsors of rare diseases with their ODD applications, including services for full authoring of the ODD request, providing feedback and advice on a Sponsor-drafted ODD, and helping sponsors address any issues that FDA may raise after review of the initial ODD application.
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