Data sourced from ClinicalTrials.gov (NIH registry) Updated weekly IRB-supervised studies only

Home/CO/Greeley

Updated October 2026 from ClinicalTrials.gov

Paid Clinical Trials in Greeley, CO

Studies commonly pay $75 to $4,500 per completed study

157 clinical trials are currently recruiting participants within 30 miles of Greeley. Listings below come straight from the official NIH registry, alongside the area's top-rated research centers with real Google reviews.

157studies recruiting

9+research centers nearby

6condition categories

Live from the NIH registry

Studies recruiting near Greeley right now

Top 25 of 157 recruiting studies, sorted by proximity — each links to its official registry page

Registry of Participants With Generalized Myasthenia Gravis Treated With Alexion C5 Inhibition Therapies (C5ITs)

Generalized Myasthenia Gravis N/A Observational 500 participants sought

Clinical Trial Site — Fort Collins, Colorado (20.2 mi) · Sponsor: Alexion Pharmaceuticals, Inc.

See eligibility & contact on ClinicalTrials.gov (NCT04202341)

A Study Evaluating the Real World Experience of Participants Treated With BRIUMVI® (Ublituximab-xiiy) for Relapsing Multiple Sclerosis (RMS)

Relapsing Multiple Sclerosis, Multiple Sclerosis N/A Observational 2,000 participants sought

TG Therapeutics Investigational Trial Site — Fort Collins, Colorado (20.2 mi) · Sponsor: TG Therapeutics, Inc.

See eligibility & contact on ClinicalTrials.gov (NCT06433752)

Targeted Treatment for Metastatic Prostate Cancer, The PREDICT Trial

Castration-Resistant Prostate Carcinoma, Stage IVB Prostate Cancer AJCC v8 Phase 2 Interventional 474 participants sought

UCHealth Greeley Hospital — Greeley, Colorado (3.3 mi) · Sponsor: Alliance for Clinical Trials in Oncology

See eligibility & contact on ClinicalTrials.gov (NCT06632977)

Influence of the Gut Microbiome on Blueberry Polyphenol Metabolites

Microbiome Analysis, Metabolomics N/A Interventional 125 participants sought

Colorado State University; Food and Nutrition Clinical Research Laboratory; Gifford Building Room 216; 502 West Lake Street, Fort Collins, CO 80523 — Fort Collins, Colorado (20.2 mi) · Sponsor: Colorado State University

See eligibility & contact on ClinicalTrials.gov (NCT07607158)

Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25

Breast Cancer Phase 3 Interventional 3,960 participants sought

Longmont United Hospital — Longmont, Colorado (24.5 mi) · Sponsor: NRG Oncology

See eligibility & contact on ClinicalTrials.gov (NCT05879926)

A Long-term Extension Study of Dazodalibep in Participants With Sjögren's Syndrome (SS)

Sjögren's Syndrome Phase 3 Interventional 844 participants sought

Tekton Research, LLC - 2121 E Harmony Rd - PPDS — Fort Collins, Colorado (20.2 mi) · Sponsor: Amgen

See eligibility & contact on ClinicalTrials.gov (NCT06747949)

Testing Early Treatment for Patients With High-Risk Chronic Lymphocytic Leukemia (CLL) or Small Lymphocytic Leukemia (SLL), EVOLVE CLL/SLL Study

Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma Phase 3 Interventional 247 participants sought

Banner North Colorado Medical Center — Greeley, Colorado (3.3 mi) · Sponsor: National Cancer Institute (NCI)

See eligibility & contact on ClinicalTrials.gov (NCT04269902)

Testing the Addition of Stereotactic Radiation Therapy With Immune Therapy for the Treatment of Patients With Unresectable or Metastatic Renal Cell Cancer, SAMURAI Trial

Metastatic Renal Cell Carcinoma, Stage III Renal Cell Cancer AJCC v8 Phase 2 Interventional 240 participants sought

UCHealth Greeley Hospital — Greeley, Colorado (3.3 mi) · Sponsor: NRG Oncology

See eligibility & contact on ClinicalTrials.gov (NCT05327686)

A Study to Assess Adverse Events and Effectiveness of Gel Stent (XEN63) Implantation Using Ab Interno and Ab Externo Approaches in Adult Participants With Glaucoma

Primary Open Angle Glaucoma Phase 3 Interventional 130 participants sought

Eye Center of Northern Colorado /ID# 281798 — Fort Collins, Colorado (20.2 mi) · Sponsor: AbbVie

See eligibility & contact on ClinicalTrials.gov (NCT06822738)

The Impact of Enhanced Music & Natural Visuals on Emotional Health

Emotion Management Skills, Lifestyle, Healthy N/A Interventional 200 participants sought

Colorado State University — Fort Collins, Colorado (20.2 mi) · Sponsor: soundBrilliance LLC

See eligibility & contact on ClinicalTrials.gov (NCT07676110)

Testing the Addition of MEDI4736 (Durvalumab) to Chemotherapy Before Surgery for Patients With High-Grade Upper Urinary Tract Cancer

Renal Pelvis and Ureter Urothelial Carcinoma Phase 2, Phase 3 Interventional 131 participants sought

UCHealth Greeley Hospital — Greeley, Colorado (3.3 mi) · Sponsor: National Cancer Institute (NCI)

See eligibility & contact on ClinicalTrials.gov (NCT04628767)

Countermeasures to Circadian Misalignment

Circadian Rhythm Sleep Disorder of Shift Work Type, Metabolic Disease N/A Interventional 32 participants sought

Colorado State University — Fort Collins, Colorado (20.2 mi) · Sponsor: Colorado State University

See eligibility & contact on ClinicalTrials.gov (NCT04966351)

Comparing Rituximab and Mosunetuzumab Drug Treatments for People With Low Tumor Burden Follicular Lymphoma

Classic Follicular Lymphoma, Follicular Lymphoma With Unusual Cytological Features Phase 3 Interventional 600 participants sought

UCHealth Greeley Hospital — Greeley, Colorado (3.3 mi) · Sponsor: National Cancer Institute (NCI)

See eligibility & contact on ClinicalTrials.gov (NCT06337318)

Efficacy and Safety of a New Formulation of Oral Cladribine Compared With Placebo in Participants With Generalized Myasthenia Gravis (MyClad)

Generalized Myasthenia Gravis Phase 3 Interventional 264 participants sought

Advanced Neurosciences Research LLC — Longmont, Colorado (24.5 mi) · Sponsor: Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany

See eligibility & contact on ClinicalTrials.gov (NCT06463587)

Reaching Rural Cancer Survivors Who Smoke Using Text-Based Program

Cigarette Smoking-Related Carcinoma Phase 3 Interventional 600 participants sought

Banner North Colorado Medical Center — Greeley, Colorado (3.3 mi) · Sponsor: Alliance for Clinical Trials in Oncology

See eligibility & contact on ClinicalTrials.gov (NCT05008848)

Testing the Role of DNA Released From Tumor Cells Into the Blood in Guiding the Use of Immunotherapy After Surgical Removal of the Bladder, Kidney, Ureter, and Urethra for Urothelial Cancer Treatment, MODERN Study

Muscle Invasive Bladder Urothelial Carcinoma, Muscle Invasive Renal Pelvis Urothelial Carcinoma Phase 2, Phase 3 Interventional 992 participants sought

UCHealth Greeley Hospital — Greeley, Colorado (3.3 mi) · Sponsor: National Cancer Institute (NCI)

See eligibility & contact on ClinicalTrials.gov (NCT05987241)

Symbiotic-GI-03: A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Metastatic Colorectal Cancer

Intestinal Neoplasms, Gastrointestinal Neoplasms Phase 3 Interventional 800 participants sought

Rocky Mountain Cancer Centers, LLP — Longmont, Colorado (24.5 mi) · Sponsor: Pfizer

See eligibility & contact on ClinicalTrials.gov (NCT07222800)

Immune Checkpoint Inhibitor Toxicity Risk Prediction in Solid Tumors

Malignant Solid Neoplasm N/A Observational 2,062 participants sought

Banner North Colorado Medical Center — Greeley, Colorado (3.3 mi) · Sponsor: SWOG Cancer Research Network

See eligibility & contact on ClinicalTrials.gov (NCT04871542)

Cognitive-Behavioral Therapy and Exercise Training in Adolescents At-Risk for Type 2 Diabetes

Insulin Resistance, Depression N/A Interventional 300 participants sought

Colorado State University — Fort Collins, Colorado (20.2 mi) · Sponsor: Colorado State University

See eligibility & contact on ClinicalTrials.gov (NCT05543083)

Exactech Shoulder Post Market Clinical Follow-up Study

Osteo Arthritis Shoulders, Osteonecrosis N/A Observational 20,000 participants sought

Orthopaedic and Spine Center of the Rockies — Fort Collins, Colorado (20.2 mi) · Sponsor: Exactech

See eligibility & contact on ClinicalTrials.gov (NCT05603728)

Efficacy and Safety of IMVT-1402 in Adult Participants With Primary Sjogren's Disease With Moderate to Severe Systemic Disease Activity

Primary Sjögren's Syndrome Phase 2 Interventional 180 participants sought

Site Number - 1014 — Fort Collins, Colorado (20.2 mi) · Sponsor: Immunovant Sciences GmbH

See eligibility & contact on ClinicalTrials.gov (NCT06979531)

Extension Study for the Port Delivery System With Ranibizumab (Portal)

Neovascular Age-Related Macular Degeneration Phase 3 Interventional 1,000 participants sought

Eye Center of Northern CO — Fort Collins, Colorado (20.2 mi) · Sponsor: Hoffmann-La Roche

See eligibility & contact on ClinicalTrials.gov (NCT03683251)

A Phase Ⅲ Clinical Study of HLX22 in Combination With Trastuzumab and Chemotherapy for the Treatment of Gastroesophageal Junction and Gastric Cancer

Gastroesophageal-junction Cancer, Monoclonal Antibody Phase 3 Interventional 550 participants sought

Banner MD Anderson Cancer Center — Greeley, Colorado (3.3 mi) · Sponsor: Shanghai Henlius Biotech

See eligibility & contact on ClinicalTrials.gov (NCT06532006)

A Study Investigating Subcutaneously Administered Pozelimab in Combination With Cemdisiran or Cemdisiran Alone in Adult Participants With Geographic Atrophy

Age-related Macular Degeneration (AMD), Geographic Atrophy (GA) Phase 3 Interventional 975 participants sought

Eye care Center of Northern Colorado doing business as Advanced Vision Research Institute — Longmont, Colorado (24.5 mi) · Sponsor: Regeneron Pharmaceuticals

See eligibility & contact on ClinicalTrials.gov (NCT06541704)

Docetaxel to Androgen Receptor Pathway Inhibitors in Patients With Metastatic Castration Sensitive Prostate Cancer and Suboptimal PSA Response

Prostate Cancer (Adenocarcinoma) Phase 3 Interventional 830 participants sought

UCHealth Greeley Hospital — Greeley, Colorado (3.3 mi) · Sponsor: Canadian Cancer Trials Group

See eligibility & contact on ClinicalTrials.gov (NCT06592924)

Actively enrolling

Studies you may be able to join near Greeley

These studies are recruiting through partner research networks. We may be paid a referral fee if you complete their screening form — this never changes what you pay (nothing) or the compensation the study offers you.

See which clinical studies you may qualify for

A partner research network matches volunteers with studies that are currently enrolling in the United States. You answer a few screening questions about your health and where you live; if a study looks like a fit, its team contacts you to confirm eligibility.

Screening is free and takes a few minutes. Eligibility and any compensation are confirmed by the study team, not by this site.

Check your eligibility

Google-rated

Top-rated research centers in Greeley

Dedicated clinical research sites near you — with their real Google ratings, reviews and contact details

All of Us Research Program: Banner Health

★ 5.0

1801 16th Street 3rd Floor North C Wing, Greeley, CO 80631

(970) 810-3590

Website

Tekton Research

★ 4.9

2126 Milestone Dr Unit 101, Fort Collins, CO 80525

(970) 538-1192

Website

"Fast and professional. They were able to brief me on my vaccine trial and all the ins and outs. This was my first trial so I had more questions than…"

— Robert Dietz, 5★

CSU Human Performance Clinical Research Laboratory

★ 5.0

910 Moby Dr, Fort Collins, CO 80523

(970) 491-3847

Website

"Super easy process, everyone was very kind. Genevieve was very helpful and explained everything thoroughly. I very much appreciated the information o…"

— Whitney C, 5★

Alpine Clinical Research Center

★ 5.0

3434 47th St Ste 201, Boulder, CO 80301

(303) 443-7229

Website

"Family mannerisms, upon arrival all are welcomed coming and going. The staff is very skilled with ADLs, and they are quick! They all are thorough wi…"

— Carla Williams, 5★

Tekton Research

★ 4.9

205 S Main St Ste A2, Longmont, CO 80501

(303) 345-6994

Website

"Staff is excellent. They explained everything and made the whole process very easy. Hope to do another study again."

— Tom Manning, 5★

Western States Clinical Research, Inc.

★ 5.0

4251 Kipling St #540, Wheat Ridge, CO 80033

(303) 940-9773

Website

"Cheri, Mary, and Falon are very fun and competent people . They always answer any questions that I might have.and always go out of their way to make …"

— Mike Sewald, 5★

Mountain View Clinical Research

★ 4.3

3955 E Exposition Ave #104, Denver, CO 80209

(720) 941-9363

Website

"Such a great organization with helpful, knowledgeable staff!"

— Windsong Forrest, 5★

Centennial Clinical Trials

469 S Cherry St #101, Denver, CO 80246

(720) 961-1952

Website

Colorado Clinical Research

8753 Yates Dr #110, Westminster, CO 80031

(720) 980-3668

Clinical trials in Greeley: what's recruiting

The Greeley area currently has 157 studies open to new participants, according to the ClinicalTrials.gov registry maintained by the U.S. National Institutes of Health. Among the studies closest to Greeley, the most active research areas are:

Cancer & Oncology11 studies
Liver & Kidney3 studies
Brain & Mental Health2 studies
Diabetes & Metabolism2 studies
Immune & Skin1 studies

Every listing shows the study phase, the recruiting site and its distance from Greeley, and links to the official registry page where eligibility criteria and study contacts are published. Compensation is set by each sponsor: industry surveys report typical payments of $75 to $4,500 per completed study, with short observational studies at the low end and multi-visit or overnight Phase 1 studies at the high end.

How to enroll in a paid study in Greeley

Start with a study whose condition matches your profile — or a healthy-volunteer study if you have no diagnosis. Contact the research site through the registry page, complete a short phone screen, then attend an in-person screening visit. If you qualify, the study team walks you through the informed consent document, which details every procedure, risk and payment before you commit. You can withdraw at any point, and enrollment is always free.

Greeley participants can also register with the dedicated research centers listed above — many maintain volunteer databases and call when a matching study opens — or sign up for our email alert below to hear when a new study starts recruiting within 30 miles of your ZIP code.

Frequently asked questions

Are clinical trials in Greeley safe?

Every trial on this page is registered on ClinicalTrials.gov, the official NIH registry, and is overseen by an Institutional Review Board (IRB). Before joining you receive an informed consent document detailing procedures, risks and compensation. Participation is voluntary and you can withdraw at any time.

How do I join a study in Greeley, CO?

Pick a study that matches your profile, contact the research site (or apply through the study links on this page), pass a phone pre-screen, then attend an in-person screening visit. If you qualify, you review and sign the informed consent and the study begins. The process typically takes 1-3 weeks.

Is compensation for clinical trials taxable?

In the U.S., clinical trial compensation is generally considered taxable income, and research sites may issue a 1099 form for payments above $600 in a year. Reimbursements for travel or meals are typically treated differently. Consult a tax professional for your situation.

What is the difference between a research center and a hospital study in Greeley?

Dedicated research centers (listed on this page with their Google ratings) run studies as their core business — often healthy-volunteer and vaccine studies with structured compensation. Hospital and university studies tend to focus on patients with specific conditions. Both types are registered and IRB-supervised.

How often do new paid studies open in Greeley?

Constantly — trials open and close enrollment every week. This page is refreshed weekly from the NIH registry. Join the email alert to be notified when a new study opens within 30 miles of Greeley.

Paid clinical trials near Greeley

Other metros within reach

Fort Collins, CO155 Thornton, CO1,602 Denver, CO1,598 Aurora, CO1,565 Lakewood, CO1,598 Colorado Springs, CO207 Grand Junction, CO51 Albuquerque, NM350

By condition

Eligibility and exclusions, condition by condition

Alcoholic Liver Disease in Greeley Bladder Issues Due To Spinal Cord Injury in Greeley All conditions

More of CO

Thornton1,602 Denver1,598 Lakewood1,598 Aurora1,565 Colorado Springs207 Fort Collins155 Grand Junction51

New paid studies open every week

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