Phoenix, Arizona · Phase I–IV Trials
ProtoOne Clinical Research is a dedicated clinical research site advancing breakthrough treatments through rigorous, compassionate, participant-centered trials.
Who We Are
Since 2026, ProtoOne Clinical Research has operated as an independent clinical research site in Phoenix, Arizona. Our singular purpose: connect promising therapies with the right participants and deliver the highest-quality trial data to our sponsors.
Unlike multi-site networks, our focused structure means principal investigators are hands-on throughout every study, and our dedicated coordinators become true partners to each participant from screening through follow-up.
What We Do
We evaluate your study design against our patient population, site capabilities, and operational capacity to ensure successful execution before a single patient is enrolled.
Our community-embedded recruitment strategies and proprietary database of 12,000+ pre-qualified participants consistently deliver faster enrollment and lower screen failure rates.
Our experienced regulatory team manages all submissions, amendments, safety reports, and correspondence with institutional review boards, keeping your study on schedule.
Real-time EDC entry, query resolution within 24 hours, and comprehensive audit trails ensure your data meets the highest standards for regulatory submission.
24/7 medical monitoring, expedited SAE reporting, and dedicated safety physician oversight safeguard participant well-being throughout your trial lifecycle.
On-site CLIA-certified laboratory for biomarker analysis, PK sampling, and specimen management, with established relationships with major central labs nationwide.
Active Trials
How It Works
Why Choose ProtoOne
Working with ProtoOne was the smoothest clinical research site experience we've had in 12 years of drug development. Their data quality is extraordinary and they beat our enrollment projections by 40%.
Our People
Get In Touch
Whether you're a sponsor seeking a high-quality site, a patient interested in clinical trial participation, or a referring physician, we're here to help.