This guidance provides a framework for interactions between the Center for Drug Evaluation and Research (CDER) and the entity proposing the DDT for qualification (the submitter). It also explains the kinds of data that should be submitted to support qualification of a DDT and creates a mechanism for CDER’s formal review of the data to ultimately qualify the DDT.

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FDA Expedited Program for serious conditions – Special Protocol Assessment

Published by IRDiRC

Clinical DevelopmentClinical Trial DesignRegulatory AdviceRegulatory AffairsSpecial Protocol Assessment

FDA-SPA is a process in which sponsors may ask to meet with FDA to reach agreement on the design and size of certain clinical trials, clinical studies, or animal studies, to determine if they adequately address scientific and regulatory requirements for a study that could support marketing approval.

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Compassionate use is a treatment option that allows the use of an unauthorised medicine. Under strict conditions, products in development can be made available to groups of patients who have a disease with no satisfactory authorised therapies and who cannot enter clinical trials.

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The EMA describes extrapolation as extending information and conclusions available from studies in one or more subgroups of the patient population (source population(s)), or in related conditions or with related medicinal products, in order to make inferences for another subgroup of the population (target population), or condition or product, thus reducing the amount of, or general need for, additional evidence generation (types of studies, design modifications, number of patients required) needed to reach conclusions.

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National programs for early access

Published by IRDiRC

Clinical DevelopmentCompassionate UseRegulatory Sciences

Sometimes called “compassionate use”, expanded access is a potential pathway for a patient with an immediately life-threatening condition or serious disease or condition to gain access to an investigational medical product (drug, biologic, or medical device) for treatment outside of clinical trials when no comparable or satisfactory alternative therapy options are available

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Japan Agency for Medical Research and Development (AMED) leads the Initiative on Rare and Undiagnosed Diseases (IRUD) program. The program provides patients across Japan suffering from undiagnosed diseases with a diagnostic strategy that involves genetic analysis

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The RDCRN is made up of multiple individual, Rare Disease Clinical Research Consortium (RDCRC) and a Data Management and Coordinating Center (DMCC). The RDCRCs are intended to advance the diagnosis, management, and treatment of rare diseases with a focus on clinical trial readiness

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