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.

Refer a patient Become an investigator
Referral receivedFrom Dr. [NAME]'s practice
Coordinator calls your patientWithin two business days
You get an updateAt every milestone, with patient consent

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
Refer a patient

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
Talk to us

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

Adults 18–75
BMI ≥30, or ≥27 with a weight-related comorbidity
At least one prior attempt at weight loss through diet
[Key exclusions from the protocol]

How a referral works

  1. Step 1

    You refer

    Online form, phone or fax. Takes a minute.

  2. Step 2

    We pre-screen

    A coordinator calls your patient to check basic eligibility.

  3. Step 3

    Screening visit

    Consent reviewed in person, in English or Español.

  4. 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.

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]

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