We are looking for patients for research studies
Research to help advance tomorrow's medicine today — at our clinical research center in Oklahoma City, Oklahoma.

Everything We Do Has the Power to Change the World!
Contribute to science and foster growth by supporting research endeavors. Apex Clinical Studies is a leading clinical trials center in Oklahoma City, Oklahoma. We keep the patient at the center of our efforts, maximize our impact through operational excellence, and support you at every level of the clinical development process.
Call Us & Participate With Us!
(405) 993-4006Mon–Fri 08:00 am – 04:00 pm · English & Español
Apply NowBuilt to deliver
High enrolling rate, high quality standards, high retention rate, experienced staff, complete human and technology resources, backup staff.
Clinical studies
Apex Clinical Studies is a research site that conducts clinical studies for different medical conditions, following the protocol requirements of the sponsors.
Patients who stay
In each study we employ varied strategies to meet subject quotas, ensuring strong enrollment and retention through consistent participant communication.
Tour our spaces
Our Oklahoma City clinic on North May Ave offers top technology and expert staff — easy to reach from across the metro.
Apex Clinical Studies · Oklahoma CityMake a Difference!
Are you looking for a chance to be part of groundbreaking medical research while receiving compensation for your time and travel expenses? Our clinical trials offer you the opportunity to play a crucial role in advancing science, improving treatments, and potentially gaining access to innovative therapies.
- Contribute to Medical Advancements
- Access to Cutting-Edge Treatments
- Financial Compensation
Patient Referral Program: Join Our Network
Our referral program is available to your patients — access to our extensive network of certified doctors, newly available medications, and compensation for their time and participation.
Interested in Contributing Some Time to Science?
Our staff and our institution are committed to carrying out the work within a framework of excellence, quality and punctuality. Apply and a bilingual coordinator will call you back within one business day.

See if you qualify
Takes 2 minutes · Se habla español
Our online form is being set up. Call us and a coordinator will take your details and answer your questions.
Prefer to talk? (405) 993-4006
Mon–Fri 08:00 am – 04:00 pm