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Multiphase Clinical Research Unit (Phase I–IV)

Explore Fortrea’s Leeds Clinical Research Unit supporting Phase I–IV clinical trials. A purpose-built, MHRA-accredited facility delivering safe, high-quality studies for healthy volunteers and patients.

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The Fortrea Multiphase Clinical Research Unit, a state-of-art, purpose-built facility, supports clinical studies from Phase I through Phase IV, so participants can take part in research across every stage of medicine development. Having all these phases supported at one site means Fortrea brings deep experience, established safety processes and consistent standards of care to every study—regardless of phase.

Care You Can Trust

Phase 1 MHRA ‑ accredited, supported by rapid emergency response < 5 minutes

A Comfortable, Purpose‑Built Facility

Sustainably refurbished building designed to support both comfort and environmental responsibility

Experienced Teams, Every Step of the Way

40 years of clinical research experience with careful monitoring and consistent study processes

Contributing to the Future of Healthcare

Every study participant at Fortrea Leeds—whether a healthy volunteer or patient—plays an important role in advancing medical science. By supporting research from Phase I through Phase IV, the Leeds CRU helps move promising treatments forward efficiently and responsibly, bringing potential benefits to patients worldwide.

Participation experience at Leeds for Healthy Volunteers / Patients, taking part in Phase I to Phase IV studies at Leeds means:
  • Close medical supervision throughout the study
  • Access to experienced clinical staff 24/7
  • Clear information so you understand what participation involves
  • Participation in carefully designed clinical research under strict regulatory oversight
  • Support from teams experienced in managing complex study protocols
Why sponsors choose a multiphase clinical research centre
  • Phase I–IV studies delivered within one integrated site
  • Consistent teams, processes, and standards of care
  • Experienced delivery for healthy volunteers and patients
  • Purpose-built infrastructure with established safety oversight
  • Reduced complexity across the clinical development lifecycle

Your safety and wellbeing are always the top priority

The Leeds CRU is a modern, purpose-designed facility created to support participant comfort and wellbeing. The site operates with a team of highly trained physicians, registered nurses and clinical staff, and enjoys strong links with the local NHS hospital Trust, with emergency response times of less than 5 minutes.   

Your safety and wellbeing are always the top priority
Fortrea Leeds CRU patient study undertakings at a glance

Fortrea Leeds CRU patient study undertakings at a glance

  • Close collaboration with Leeds Teaching Hospitals NHS Trust
  • Access to Leeds General Infirmary and St James’s University Teaching Hospitals
  • Integrated working with NIHR, CRF, and Research Delivery Networks
  • Primary care access across ~1,300 GP practices in Yorkshire and Humber
  • Experience delivering 22 NIHR-supported studies in the region

Therapeutic Area Capabilities

Gastrointestinal
Healthy participant clinical pharmacology experience
  • First in Human
  • SAD / MAD (Single-ascending-dose/Multiple-ascending-dose)
  • PK / PD (clinical Pharmacokinetics/Pharmacodynamics)
  • Cardiac safety including definitive QTc/thorough QT (TQT)
  • Drug-Drug Interaction
  • Bioavailability / BioEquivalence
  • AME – 14C Radiolabelled (Macro and micro dose)
  • Food Effect
  • Asian Ethnobridging – Japanese and Chinese
  • Phase Ib & Hybrid Studies
  • Special Populations and hospital relationships

Advancing clinical research responsibly supporting participants, stakeholders, and progress at every phase.

Frequently Asked Questions

  • What is the Fortrea Leeds Clinical Research Unit (CRU)?

    The Fortrea Leeds CRU is a purpose‑built clinical research facility where healthy volunteers and patients can take part in medical research studies. The unit supports studies from Phase I through Phase IV, meaning research at every stage of medicine development is conducted at this site.

  • What types of studies are run at the Leeds CRU?

    • Early phase studies (Phase 1 and Phase 1b), often involving healthy volunteers
    • Later phase studies (Phase 2–4), usually involving patients
    • Studies that evaluate how medicines work in the body, their safety, and their potential to treat diseases
  • Is the Leeds CRU safe?

    Yes. The Leeds CRU is MHRA Phase I accredited and follows strict UK regulatory and ethical standards. The site has: Highly trained physicians, Registered nurses and clinical staff who safeguard continuous participant monitoring during studies. The site is located within the city centre with strong links with 2 major hospitals and Emergency response times of less than 5 minutes. Your safety and wellbeing are always our top priority.

  • Who can take part in studies at the Leeds CRU?

    Studies at the Leeds CRU may be open to: Healthy volunteers and Patients, depending on the study type. Each study has its own eligibility criteria, which will be clearly explained before you decide to take part.

  • What is it like to stay or visit the Leeds Clinical Research Unit?

    The Leeds CRU is a modern, purpose designed facility created to support participant comfort and wellbeing. Features include Comfortable inpatient accommodation, Dedicated consultation and consent rooms, Specialist clinical monitoring areas, A clean, welcoming and professional environment. The building has been sustainably refurbished, with a focus on comfort for both participants and staff.

  • How experienced are the clinical teams?

    Fortrea Leeds has teams with many years of clinical research experience, supporting a large number of studies and participants every year. Because the site runs multiple phases of research, staff are experienced in: Explaining studies clearly and answering questions, Monitoring participants closely and Supporting people throughout their study journey

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