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List of CROs for Clinical Trials in the United States

Patricio Ledesma

Head Of Clinical Operations at Sofpromed

24 January, 2024

Please contact us if you need more information about CRO services in the US.

Clinical Research Organizations (CROs) are companies specialized in managing clinical trials.

Here you can find a list of 20 CROs managing clinical trials in the USA, including services like regulatory affairs, site selection and activation, site management, monitoring, logistics, pharmacovigilance, data management, biostatistics, medical writing, and project management.

1. Sofpromed

Sofpromed is a full service Clinical Research Organization (CRO) specialized in the global management of phase I-IV clinical trials worldwide for biotechnology and pharmaceutical companies across all therapeutic areas. We manage clinical trials globally in the United States, United Kingdom, Europe, Asia-Pacific, Middle East, North Africa, and Latin America. The therapeutic expertise of our staff includes oncology, cardiovascular, metabolic, central nervous system, dermatology, infectious and respiratory diseases, among other areas. We provide regulatory, clinical operations, data management, biostatistics, pharmacovigilance, bioanalysis, and medical writing services to streamline the execution of clinical trials and the development of innovative treatments.

2. ProTrials Research, Inc.

ProTrials Research, Inc. offers a full suite of clinical research services from project management to site management, and clinical monitoring to data management activities. We deliver attention to detail, top-notch customer service, and trustworthy, clean data. We scale up or down, pivot quickly, and efficiently overcome challenges. Learn why our full complement of services has garnered us the respect and attention of our peers across the industry. From Phase I, first-in-human trials to Phase IV, post–marketing surveillance, clinical trial sponsors use ProTrials again and again, no matter the trial size or phase.

3. Cromos Pharma

Cromos™ Pharma is an international contract research organization providing innovative and effective clinical trials solutions that transform healthcare. At Cromos™ Pharma our philosophy is simple – our patients and clients come first. We strive to assist our partners in advancement of their clinical development programs that improve the lives of our patients. Since our establishment in 2004, we have fine-tuned our business model to reflect validated best practices from the most highly regulated venues, which we have carefully tailored to suit local environments. We are proud of our project managers, most with terminal medical degrees, because they not only adhere flawlessly to study protocols, but appreciate the science behind them. 

4. Medelis

Medelis is a full service oncology clinical research company. We provide sponsors with a highly-skilled and proactive oncology clinical trial management team to design and manage phase I through phase III oncology trials in North America and Europe. Our clinical team has deep oncology clinical experience, providing you with an extensive array of oncology resources to support your drug in the clinic. Our efficient and effective clinical team can streamline your trial planning, start-up, monitoring and management to deliver the data you need, in a quick and cost-effective manner.

5. Criterium

At every stage of the process, Criterium’s mission is to provide all our stakeholders (clients, staff, consultants, sites) with an extraordinary experience. Criterium’s proven formula for clinical trial success is based on the dedication of its executive management and project management teams: We deliver exceptional personal attention and services for all clinical trials elements — people, processes, and technologies. We do all aspects — from initial study design to final clinical summary. Every study is assigned to a dedicated, multifunctional team reporting to an experienced project leader responsible for managing and coordinating all activities. 

6. Advanced Clinical

We are a clinical development organization committed to improving all lives touched by clinical research. We understand the complex nature of the industry and approach each opportunity with compassion. Together we answer the hopes of patients and healthcare professionals with industry-leading services and technology in global life sciences. Our full-service CRO, FSP, Strategic Resourcing and Quality & Validation Services create a better clinical experience.

7. Quality Data Service

Quality Data Service, Inc. was incorporated in 1995 as a contract research organization offering clinical management, monitoring, data management, safety management, biostatistical analysis and reporting and medical writing services. You choose whether QDS provides a package of complete clinical management services or complements your staff by providing additional support in any area you select. To guarantee the consistent and personalized service which is our hallmark, QDS dedicates staff specifically to you and your project from inception to completion: Staff which is accountable for superior project oversight and facilitation with clear and timely communication to you.

8. Prometrika

PROMETRIKA, LLC is a clinical research organization (CRO) supporting the biopharmaceutical and medical device industries since 2003. Based in Cambridge, Massachusetts, a biopharmaceutical hub, PROMETRIKA has provided more than seventeen years of experienced, professional support to local, national, and international clients. Our proximity to New England’s thriving biotechnology research environment has enabled us to establish strong, collaborative relationships with companies developing some of the most innovative and promising new therapies available. We offer full services in clinical operations, data management, biostatistics and programming, medical writing, pharmacovigilance, and regulatory submissions.

9. Veristat

Veristat, a scientific-minded global clinical research organization (CRO), enables sponsors to solve the unique and complex challenges associated with accelerating therapies through clinical development to regulatory approval. With more than 26 years’ experience in clinical trial planning and execution, Veristat is equipped to support any development program. Veristat has assembled an extraordinary team of experts worldwide who have mastered therapeutic development intricacies, enabling sponsors to succeed in extending and saving lives. 

10. InClin

InClin is a full service Contract Research Organization with offices in the San Francisco Bay Area and Sydney, Australia. We are a single source provider of an integrated full suite of clinical development services from Phase 1 through Phase 4, including project management, clinical monitoring, site and contract management, vendor management, data management, biostatistics, programming, drug safety, medical monitoring, medical writing, QA inspection readiness, as well as strategic consulting services.

11. ProSciento

ProSciento is a leading specialty clinical research organization (CRO) exclusively focused on NASH, diabetes, obesity and related metabolic diseases. Building on 17 years of experience and more than 305 metabolic clinical projects conducted, ProSciento provides customized clinical research services for multinational, early development clinical trial programs designed to give our clients an advantage in today’s rapidly evolving landscape of metabolic drug and device development. What drives us to excel each day is our unwavering commitment to science-driven contributions to research; a focus on the patients that may benefit from the clinical research programs we conduct; and our team of talented employees passionate about the development of life-changing therapeutics.

12. Emmes

Emmes, a global full service clinical research organization (CRO) dedicated to supporting the advancement of public health and biopharmaceutical innovation. Founded in 1977, Emmes has conducted over 2000 clinical studies across a broad range of therapeutic areas, with significant expertise in infectious diseases, vaccines, ophthalmology, oncology, neurology, substance use disorders, and maternal and child health.  Experience in both the private and public clinical research communities combined with our longstanding strengths in biostatistics empowers us to help you with innovative study designs, regulatory strategies and full service global clinical trial execution capabilities.

13. Spaulding Clinical

Founded in 2007, Spaulding Clinical is a full-service, state-of-the-art paperless Phase I clinical pharmacology unit. Our facility, originally a hospital, features fully integrated bedside electronic data capture and sets the standard for patient care. We specialize in IND-enabling clinical pharmacology studies, cardiovascular safety, and clinical proof of concept. We provide expertise on study design, offering in-house medical writing, clinical data management, biostatistics, project management, clinical laboratory, and PK/PD analysis.

14. Lotus Clinical Research

Lotus Clinical Research is a CRO and Research Site focused on improving the scientific accuracy of analgesic programs. We are analgesic experts with a proven track record of conducting successful, full-service analgesic studies from startup through all phases of analgesic clinical trials. Lotus Clinical Research offers full service analgesic research capabilities including a full service CRO, an investigative research site, analgesic regulatory consulting, and placebo response training to ensure all sponsors that we work with have support in all areas needed to best support their analgesic clinical research. Lotus Clinical Research has been designing and executing analgesic clinical trials since 2001. 

15. PRC Clinical

Since 2003, PRC Clinical has specialized in meeting the needs of pharmaceutical, biotech, and medical device sponsors through personalized clinical project management, feasibility, and site selection. Meet on-time enrollment goals via PRC’s site management, monitoring, and TMF trial document management services through Veeva Vault. Our services span early phase trials, including Phase I studies, through Phase II to larger Phase III trials. Along with our technology tools to optimize clinical conduct, we offer a range of services, including clinical site management, project management, site selection, accelerated enrollment, and clinical data technology for streamlined metrics reporting through our network of strategic support partners.

16. SciQuus Oncology

SciQuus offers a broad range of services to the pharmaceutical and biotechnology industries. Our experience spans the development lifecycle from preclinical studies required for an IND to the management of large registration trials. SciQuus management has extensive experience in the field of oncology clinical trials. During our careers, we have conducted trials in virtually all areas of oncologic and hematologic malignancies as well as supportive care. SciQuus Oncology’s management and scientific teams consist of highly experienced professionals who share a vision of improving the outcome for people with cancer.

17. MMS

MMS is an award-winning, data-focused clinical research organization (CRO) that supports the pharmaceutical, biotech, and medical device industries with a proven, scientific approach to complex trial data and regulatory submission challenges. Strong industry experience and a data-driven approach to drug development make MMS a valuable CRO partner, creating compelling submissions that meet rigorous regulatory standards. MMS’ mission is to deliver high-quality service and technology solutions – rooted in strong science and decades of regulatory experience – that will assist our clients in developing and marketing life-changing therapies to positively improve lives worldwide.

18. MCRA

MCRA has built an established reputation by working to streamline the effectiveness and success of clinical trials for over a decade. MCRA has been streamlining the effectiveness and success of clinical trials for nearly a decade, advising across every stage of the process – from site qualification to post commercialization. We believe that MCRA’s heritage of combining its integrated services in clinical trials has allowed for us to create a proprietary system. This includes the integration of clinical research personnel, in conjunction with US Regulatory, Reimbursement, and Compliance services and knowhow. Whether you decide to utilize MCRA for one component or our entire offering for your trial, MCRA will work closely hand-in-hand as part of your team. 

19. Integrium

Integrium is a full-service Clinical Research Organization focused within the therapeutic areas of Cardiovascular, Metabolic, Renal, Oncology, Inflammatory, Dermatology, Wound Healing, Regenerative, and Orphan Disease. Although we have the scientific, medical, operational, and regulatory expertise to cover all stages of clinical development (Phase I-IV), we are Experts in the Strategy, Design and Execution of Phase Ib, IIa and IIb Trials. Because we understand the complexities and nuances of clinical research, Integrium delivers successful, engineered clinical study solutions to Biotechnology, Medical Device, Diagnostic and Medical Food companies. We help design scientifically rigorous, yet feasible studies. We know reliable, high-quality, productive investigators and work well with them. We know where and how to get the needed patients for a particular study.

20. Theradex

Theradex was founded in 1982 with the award of the Clinical Trials Monitoring Service contract for the National Cancer Institute (NCI) in the United States. Theradex history has spanned over three decades from the early days of clinical trials with limited advances in oncology to the more rapid advances of today where pathways and patient genetic profiles are driving a targeted approach to treatment and research efforts. The company remains committed to the science of cancer research and their clients who continue to drive the advances in treatment options for cancer patients. Theradex has central offices in Princeton, New Jersey.

For more information about clinical research organization (CRO) services in the US, please contact us at:

Patricio Ledesma

Patricio Ledesma (B.Eng Concordia University, Montreal, Canada and Master’s Degree in Clinical Trials, University of Seville, Spain) is the Head of Clinical Operations and Founder at Sofpromed CRO. Patricio is a professional consultant providing comprehensive, one-stop expert advice and guidance to biotechnology and pharmaceutical companies worldwide in the field of clinical trials and drug development. He is personally and enthusiastically devoted to helping biotech Chief Executive, Operations, Scientific, Medical, and Regulatory Officers in the planning and execution of phase I-IV clinical trials across North America, Europe, Asia-Pacific, Latin America, and Middle East regions. You can contact Patricio at: +34 607 939 266 

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Patricio Ledesma

Patricio Ledesma (B.Eng Concordia University, Montreal, Canada and Master’s Degree in Clinical Trials, University of Seville, Spain) is the Head of Clinical Operations and Founder at Sofpromed CRO. Patricio is a professional consultant providing comprehensive, one-stop expert advice and guidance to biotechnology and pharmaceutical companies worldwide in the field of clinical trials and drug development. He is personally and enthusiastically devoted to helping biotech Chief Executive, Operations, Scientific, Medical, and Regulatory Officers in the planning and execution of phase I-IV clinical trials across North America, Europe, Asia-Pacific, Latin America, and Middle East regions. You can contact Patricio at: +34 607 939 266