US Clinical Research Built for Speed and Execution.
A growing US clinical research network anchored by our flagship site, Remington-Davis Clinical Research in Columbus, Ohio, and built to scale with additional sites and partners across the United States.
Growing US Network
New locations, including Marion, Ohio coming soon.
Centralized Site Support
Centralized coordination to streamline communication across sites.
Broad & Diverse Patient Access
Spanning across Central Ohio. With access to UK patient populations.
24-Hour Data Entry
High-touch support and query resolution.
Rapid Activation
Greenlight to first patient in as little as 1 week.
Why Assured in the US?
Founder-led, physician-led, and operator-driven. We pair the depth of an established flagship site with a network built to grow, so sponsors get responsive sites and clean data from feasibility through close-out.
Why Sponsors Choose Assured
Efficient communication, coordinated study review, and faster movement.
Efficient communication, coordinated study review, faster movement.
Growing US site platform designed for sponsor and CRO responsiveness
Centralized coordination to streamline communication across sites
Responsive feasibility support with practical feedback on patient access and operational fit
Site-level accountability and oversight to ensure consistency
Flexible support model designed to adapt around protocol needs, sponsor priorities, and study timelines
Practical problem-solving mindset focused on educing delays and maintaining study momentum
US Network Strengths
Provides scalable patient access, operational
resources, and consistent study support.
Expanding US presence anchored by established site operations
20+ years of multi-site research leadership
Community-based and specialist site capabilities across key therapeutic areas
AI-supported patient identification to help match the right patients to the right studies
Digital workflows and remote monitoring support when appropriate
Ability to support multi-therapeutic-area opportunities across drug, biologic, device, diagnostic, and biosimilar studies
Our USA Locations
WHERE WE CONDUCT RESEARCH
Remington-Davis Clinical Research
1335 Dublin Road, Suite 106A, Columbus, OH 43215
An established, founder-led research site with more than 30 years of execution excellence and 600+ industry-sponsored trials, operating a 7,500 sq ft dedicated research clinic with Phase I confinement capability.
Phase 1–4: drug, biologic, vaccine, biosimilar, device & diagnostic studies
5 overnight rooms, on-site lab processing, and −80°C freezer
Access to 535,000+ patients through Central Ohio Primary Care
Coming Soon - Marion, Ohio
[Site name & street address — to be announced]
Our next US site extends the Assured network into north-central Ohio, bringing new communities closer to clinical trial opportunities and giving sponsors additional reach alongside our Columbus flagship partner.
Partnership announcement planned for January 2027
Proven at Our Flagship Site
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600+
Industry-sponsored trials completed
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97%
Patient retention average across therapeutic areas
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141
Years of combined investigator experience
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37%
Diversity rate across patient database
Therapeutic Focus Areas
Broad Expertise, Diverse Patients
Cardiovascular & Cardiometabolic
Metabolic Disease / Obesity / Diabetes
Respiratory / Pulmonary
Vaccines & Infectious Disease
Gastroenterology
Dermatology
Nephrology
General Medicine / Primary Care
Device & Diagnostics
Community engagement and outreach contribute to a patient database with a nearly 37% diversity rate.
The Assured Belief
“Our belief is that for clinical studies to maintain high standards and reach their full potential, sponsors need research partners and clinical sites that take ownership, move quickly, and make decisions clearly with integrity.”
News & Announcements
Ready to Discuss Your Next US Trial?
Contact our Business Development team to talk through feasibility, timelines, and patient access for your upcoming study.
One network, two regions. Pair US enrollment with GP-connected, community-based trial delivery at our UK sites in Swaffham and Peterborough. Explore Assured UK >
Interested in taking part in a clinical trial in Ohio? I'm a patient >