About Us

Your Clinical Research Partner

We are a physician-led and nurse-led Site Management Organization (SMO) dedicated to helping healthcare providers integrate and grow clinical research within their practices.

A diverse, physician-led and nurse-led clinical research care team
The ATX Research Partners team coordinating a clinical study
What We Do

Comprehensive site management, so you can focus on care

Our team provides comprehensive site management services, allowing physicians to focus on patient care while we manage the operational, regulatory, and administrative complexities of clinical trials. We believe research should be efficient for providers, compliant for sponsors, and, above all, meaningful for patients.

Who We Are

Built on clinical experience

Our leadership team combines expertise in medicine, clinical research operations, and quality assurance, with 14+ years of combined clinical research experience in cardiology, rare disease, and dermatology.

Marisol Barrientos García

Physician Founder

Marisol Barrientos García

  • Medical Doctor degree (Mexico)
  • Sub-Investigator experience
  • Extensive experience in study oversight, regulatory compliance, patient safety, and investigator responsibilities
Stephanie Gonsoulin

Nurse Founder

Stephanie Gonsoulin

  • Registered Nurse
  • Expertise in patient education and study coordination
  • Good Clinical Practice (GCP) compliance and quality control

Together, we bring a unique perspective that bridges real-world clinical practice and research excellence.

Our Mission

Expanding Access. Empowering Patients. Advancing Medicine.

Our mission is to partner with healthcare providers to expand access to innovative clinical research opportunities within our communities.

We are committed to making research approachable and understandable by empowering patients with knowledge, protecting their rights, and ensuring they feel supported throughout every step of their clinical trial journey. We believe that participation in research is a partnership between the patient, the physician, and our team.

Areas of Clinical Interest

Expertise that Keeps Growing

We have established expertise in Rare Disease, Dermatology, and Cardiology research, and are actively seeking partnerships with physicians and healthcare organizations focused on emerging metabolic therapeutic areas.

Our experienced research operations team provides the infrastructure necessary to successfully support these growing therapeutic areas. We understand the unique operational and patient-care considerations required to conduct studies across diverse patient populations.

Modern clinical research laboratory equipment

Established expertise

Established

Rare Disease

Specialized operational experience supporting complex rare-disease protocols.

Established

Dermatology

Established site experience across dermatology research programs.

Established

Cardiology

Deep expertise conducting cardiovascular clinical trials.

Now Expanding

Actively seeking partnerships

We are building partnerships with physicians and healthcare organizations focused on these growing therapeutic areas.

  • Metabolic Health

    Building partnerships to support metabolic-health research.

  • Obesity Medicine

    Infrastructure to support obesity-medicine trials.

  • Weight Management

    Operational support for weight-management studies.

  • Diabetes Prevention & Management

    Experienced team for diabetes prevention and management research.

Partner With Us

Let's expand access to research, together

Partner with a team that bridges real-world clinical practice and research excellence.

Contact Us