For physicians & practices
Give your patients more options.
Refer patients to clinical trials or join our network as an investigator. Your patients stay under your care, and we handle the research work.
Two ways to work with us
Option 1
Refer patients
Know a patient who might benefit from a study? Send a referral and our team takes it from there.
- Simple online or phone referral
- Your patient returns to you for ongoing care
- Updates at every step, with consent
Option 2
Become an investigator
Serve as a Principal or Sub-Investigator on studies in your specialty, with our team running the operations.
- Compensation for investigator time per study budget
- We handle contracts, IRB and regulatory work
- Trained coordinators run day-to-day visits
Why physicians partner with ZEST
Research becomes part of your care, not extra work for your practice.
Your patients stay yours
We never replace your care. Patients return to you during and after the study.
No added burden
Screening, scheduling, consent and study visits are handled by our team.
New options for hard cases
Access to investigational treatments when standard care isn't enough.
Always informed
Updates on every referred patient, with their consent.
No cost to patients
Study care is free, and participants are paid for their time.
Advance medicine locally
Help bring new treatments to North Texas communities.
Referring for now
Weight Management Study (GLP-1)
An investigational once-weekly GLP-1 medication for adults with obesity or overweight.
Download referral criteria (PDF)Good candidates are
How a referral works
Step 1
You refer
Online form, phone or fax. Takes a minute.
Step 2
We pre-screen
A coordinator calls your patient to check basic eligibility.
Step 3
Screening visit
Consent reviewed in person, in English or Español.
Step 4
You stay in the loop
Updates at enrollment and study completion.
Physician questions
Prefer to talk? Call (815) 593-2218.
Yes. Study care covers only what the protocol requires. Your patient keeps you as their doctor during and after the study.
No. Study visits, tests and medication are free for participants, and there is no cost to your practice to refer.
With your patient’s consent, we send updates when they enroll and when they complete the study.
Medical oversight and protocol-required time with participants. Our coordinators handle scheduling, data entry and regulatory work.
Primary care, endocrinology and cardiology first, with growing interest in gastroenterology, sleep and women’s health.
Let's work together
Send a referral or tell us about your interest in research. We'll reply within one business day.
(815) 593-2218
Fax: [FAX]