Parexel

Parexel

Clinical Trials & Research

About Parexel

Parexel is a leading global contract research organization (CRO) that provides comprehensive biopharmaceutical services spanning the entire drug development lifecycle. The company delivers end-to-end solutions from portfolio optimization and early phase clinical trials through Phase I-IV studies, regulatory submissions, market access planning, and post-approval lifecycle management. Parexel combines operational expertise with its proprietary ParexelAI technology suite to accelerate clinical development with greater speed, quality, and efficiency. The company specializes in multiple therapeutic areas including oncology, neuroscience, immunology, infectious diseases, hematology, ophthalmology, and rare diseases. Parexel's services encompass clinical trial management, regulatory strategy and submissions, real-world evidence generation, pharmacovigilance, medical communications, and market access consulting. With a team that includes more than 80 former regulatory agency professionals and access to nearly 2,500 clinical trial sites globally, Parexel serves pharmaceutical companies, biotech firms, and medical device manufacturers. The company offers flexible delivery models including functional service provider (FSP) arrangements and customized site solutions. Parexel's integrated approach combines clinical, regulatory, and market access expertise to optimize development strategies, accelerate patient enrollment, ensure regulatory compliance, and maximize the commercial potential of new therapies throughout their lifecycle.

Clinical Focus

Medical conditions and clinical areas addressed by Parexel.

Oncology (bladder, breast, colorectal, gynecologic, head and neck, liver, lung, pancreatic, prostate cancer)Neuroscience (neurology, psychiatry)Hematology (lymphoma, AML, MDS, multiple myeloma)Immunology (dermatology, allergy)Infectious diseases and vaccinesGeneral medicine (gastroenterology, respiratory, endocrine/metabolic, cardiovascular, women's health)OphthalmologyRare diseasesCell and gene therapiesPediatrics

Who It Serves

Pharmaceutical companiesBiotech firmsMedical device manufacturers

Milestones & Awards

Recent Milestones

ParexelAI platform launch and integration with Paradigm for AI-enabled clinical development

Awards & Recognition

Described as 'leading Oncology CRO' and 'leading neuroscience CRO'

Key Partnerships

Paradigm (mentioned in ParexelAI context)Site Alliance Network2,500+ clinical trial sites globally

Company Details

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Official Sources

Last updated Jul 1, 2026

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