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Updated: Jul 10, 2026

Multimodal Cross-Device and Marker-Free Co-Registration of Preclinical Imaging Modalities
Published on: October 27, 2023
Regulatory and reimbursement challenges for molecular imaging
John M Hoffman1, Sanjiv S Gambhir, Gary J Kelloff
1Department of Radiology, University of Utah School of Medicine, 2000 Circle of Hope, Suite 2121, Salt Lake City, UT 84112-5550, USA.
Molecular imaging probes and techniques require regulatory approval and clinical trials, similar to drugs. This review details the complex regulatory and reimbursement pathways necessary for their widespread clinical adoption.
Area of Science:
- Radiology
- Nuclear Medicine
- Pharmacology
Background:
- Molecular imaging represents a significant advancement in medical diagnostics.
- Imaging probes used in molecular imaging are regulated as drugs, necessitating rigorous approval processes.
- The integration of molecular imaging into clinical practice faces regulatory and economic hurdles.
Purpose of the Study:
- To provide a comprehensive review of the regulatory and reimbursement landscape for molecular imaging probes and techniques.
- To explore the potential of molecular imaging to transform therapeutic drug discovery and development.
- To illustrate the approval and reimbursement process using [18F]fluoro-2-deoxy-2-D-glucose positron emission tomography as a case study.
Main Methods:
- Review of regulatory pathways for drug and imaging agent approval.
- Analysis of clinical trial requirements for safety and efficacy assessment.
- Examination of reimbursement strategies and economic considerations for novel imaging technologies.
Main Results:
- The regulatory approval process for molecular imaging agents is lengthy and costly.
- Clinical trials are essential to demonstrate the safety and efficacy of molecular imaging probes.
- Reimbursement is a critical factor for the widespread adoption of molecular imaging techniques.
Conclusions:
- Navigating the regulatory and reimbursement landscape is crucial for the clinical implementation of molecular imaging.
- Molecular imaging has the potential to significantly improve and reduce the cost of drug discovery.
- [18F]fluoro-2-deoxy-2-D-glucose positron emission tomography serves as a model for understanding the path to clinical integration and reimbursement.
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