Inside Accredo’s clean rooms: The expertise behind preparing highly complex specialty therapies

Why this matters

• Clean rooms provide the controlled environments needed to prepare some of the most complex medications with precision and consistency.
• Building and operating a clean room requires specialized engineering, advanced filtration, highly trained staff, regulatory compliance, and long-term operational expertise.
• Multiple clean room locations provide operational flexibility that can help prevent interruptions in therapy.
• Behind each medication prepared in a clean room is a patient counting on timely, reliable access to lifesaving or life-changing treatment.

Accredo Specialty Pharmacy recently announced plans to add a new clean room facility to its Warrendale, Pennsylvania, care delivery site, expanding its specialty pharmacy capabilities. The facility will be the fifth clean room across Evernorth’s care delivery footprint. 

This expansion comes as continued innovation brings new specialty therapies to patients living with serious and complex conditions. It also highlights the highly technical work happening behind the scenes before certain sterile medications can reach the people who rely on them.

To explain what these specialized spaces are, why they matter, and what it takes to operate them, we sat down with David Julian, operations senior director for Accredo, who oversees its clean room operations across the country. 
 

Q: For those who may not be familiar, what is a clean room and why is it important?

Julian: A clean room is a highly controlled environment where we prepare some of the most complex specialty medications in health care. These medications are infused or injected directly into a patient’s body, so they must be mixed and compounded under conditions designed to prevent any microbial contamination. That requires precise preparation, specialized handling, and rigorous quality controls.

Because patients depend on these medications, every step of the compounding process is designed to support safety, quality, and consistency. Our clean rooms help ensure these therapies are prepared accurately and reliably for the people who need them.
 

Q: Why is Accredo building another clean room?

Julian: Specialty medications play an increasingly important role in treating complex conditions, and we’re seeing continued innovation as new therapies become available. Expanding our clean room operations helps ensure we’re prepared to support that growth and continue delivering the specialized capabilities these therapies require.

Ultimately, this investment is about helping more patients access the therapies they depend on safely and reliably.
 

Q: What does it take to set up and run a clean room?

Julian: Building and operating a clean room is a significant undertaking. It requires specialized engineering, advanced filtration systems, workflow design, licensing, staffing, and ongoing compliance with rigorous standards. Organizations must make a long-term commitment to the infrastructure, expertise, and operational discipline needed to support sterile compounding safely and consistently. 

While some specialty pharmacies may operate a single clean room, Accredo has multiple clean room locations, which allows us to prepare and distribute complex specialty medications for patients across the country. We are continuing to expand those operations with a new clean room that enables even more specialized compounding through a negative-pressure environment. 

Having multiple locations gives us geographic reach, operational flexibility, and the ability to support patients and pharmaceutical manufacturers at scale.
 

Q: Just how “clean” is a clean room?

Julian: These environments are designed to maintain exceptionally strict standards for air quality and contamination control. Advanced filtration systems monitor and manage airborne particles to support the sterile compounding process.

To put that into perspective, even the finest piece of china placed down in front of you at a Michelin-star restaurant is probably nowhere near as clean as the floor in our compounding operation. Maintaining that degree of cleanliness is essential when preparing these complex medications.  

And cleanliness is only one part of the controlled environment. Our building management systems continuously monitor temperature, humidity, and differential pressure to help ensure the conditions required for sterile compounding are maintained.
 

Q: Tell us about the people who serve patients in these specialized clean rooms.

Julian: The professionals who work in our clean rooms undergo extensive specialized training in sterile compounding. Before entering the clean room environment, they follow rigorous procedures and wear specialized protective equipment designed to maintain the integrity of the space.

Our pharmacists and technicians are highly tenured, some with more than 30 years of experience. When you consider these therapies require exceptional expertise, consistency, and attention to detail – that experience matters. 
 

Q: How does having multiple clean rooms improve the experience for patients?

Julian: Having multiple spaces to manage these complex medications helps ensure continuity of care. If one facility experiences an operational disruption, prescriptions can be transferred to another clean room location to help avoid interruptions in therapy.

Having multiple locations also helps us prepare and distribute medications closer to where patients live. For people managing serious or chronic conditions, timely access to treatment is essential.
 

Q: How do pharmaceutical manufacturers benefit from Accredo’s clean room capabilities?

Julian: Manufacturers need experienced partners who can support the preparation and distribution of highly complex therapies. Our clean room operations provide the infrastructure and expertise required for sterile compounding at scale, while our broader specialty pharmacy network helps those medications reach patients nationwide.

That combination helps manufacturers bring complex therapies to patients with confidence.
 

Q: Most patients will never see one of Accredo’s clean rooms. What would you want them to know?

Julian: Every team member knows that each medication prepared in our clean room represents a patient counting on us, and they take that responsibility very seriously.  

We’re committed to preparing these therapies safely and reliably so patients can focus on managing their health, not worrying about access to the treatment they depend on.