Last updated: February 20, 2026
DEFINITY RT, a laboratory-produced ultrasound contrast agent, is used predominantly in medical imaging procedures. Its primary component is a perflutren lipid microsphere suspension. The drug is marketed mainly by Lantheus Medical Imaging.
Main Suppliers and Manufacturing Sources
1. Lantheus Medical Imaging
- Role: Exclusive manufacturer and marketer of DEFINITY RT.
- Location: North Billerica, Massachusetts, USA.
- Production Facilities: Produces DEFINITY RT in their dedicated pharmaceutical manufacturing plants adhering to FDA Good Manufacturing Practices (GMP).
2. Contract Manufacturing Organizations (CMOs)
- Lantheus outsources production to specialized CMOs to ensure supply scaling and compliance.
- Notable CMOs:
- Global pharmaceutical manufacturing firms with FDA approval.
- Process involves sterile filling, lyophilization, and packaging.
3. Raw Material Suppliers
- Raw materials include perflutren gas, lipids, and excipients.
- Key Suppliers:
- Suppliers of high-purity perflutren gas, typically originating from specialty chemical companies.
- Lipid components sourced from pharmaceutical-grade lipid manufacturers.
Global Supply Chain Overview
- The supply chain is tightly controlled due to the product's sensitive formulation and regulatory requirements.
- Major regions served include North America, Europe, and select Asia-Pacific markets.
- Supply involves a network of authorized distributors, primarily controlled by Lantheus.
Regulatory and Certification Status
- Every manufacturing site and raw material source complies with US FDA regulations.
- Certificates of pharmaceutical product (CPP) and batch release certifications are issued per market requirements.
Important Considerations
- Supply Risks: Dependence on specific raw material suppliers and manufacturing capacity constraints.
- Regulatory Changes: Modifications in GMP standards or licensing can impact supply chains.
- Market Focus: Geographic restrictions exist based on regulatory approvals.
Summary Table: DEFINITY RT Supply Chain
| Segment |
Key Players/Details |
| Manufacturer |
Lantheus Medical Imaging |
| Contract Manufacturing |
Multiple global pharma CMOs (specific names undisclosed) |
| Raw Material Suppliers |
Specialized chemical and lipid raw material providers |
| Distributors |
Authorized regional distribution partners |
| Regulatory Body Compliance |
US FDA, EMA (Europe), and local health agencies |
Key Takeaways
- Lantheus Medical Imaging is the sole producer of DEFINITY RT.
- Production is supported by a limited network of CMOs and raw material suppliers.
- The supply chain is globally concentrated with strict regulatory oversight.
- Any disruptions in raw material supply, manufacturing capacity, or regulatory status can affect availability.
- Market dynamics are subject to FDA approvals, patent protections, and licensing agreements.
FAQs
Q1: Are there alternative suppliers for DEFINITY RT?
A: No. Lantheus holds exclusive manufacturing rights, with no known authorized third-party producers.
Q2: How does the supply chain regulate raw material sourcing?
A: Raw material suppliers must meet pharmaceutical-grade quality standards and are certified under applicable GMP guidelines.
Q3: Can supply chain disruptions impact global availability?
A: Yes. Dependency on specific raw materials and manufacturing sites increases vulnerability to disruptions.
Q4: What regulatory approvals are necessary for manufacturing?
A: Facilities require FDA approval, Good Manufacturing Practices (GMP) compliance, and periodic inspections.
Q5: Are there any planned changes to the supply chain?
A: No publicly available information on supply chain restructuring or new manufacturing licenses.
References
[1] U.S. Food and Drug Administration. (2022). FDA drug approvals and labeling. Retrieved from https://www.fda.gov/drugs
[2] Lantheus Medical Imaging. (2023). Company information and product details. Retrieved from https://www.lantheus.com
[3] European Medicines Agency. (2022). Market authorization details. Retrieved from https://www.ema.europa.eu
[4] Pharmaceutical Manufacturing Journal. (2023). Supply chain management in pharmaceutical industry. Retrieved from https://www.pharmamanufacturing.com