Data sourced from ClinicalTrials.gov (NIH registry) Updated weekly IRB-supervised studies only
Home/CA/Fontana
Updated July 2026 from ClinicalTrials.gov

Paid Clinical Trials in Fontana, CA

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

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

958studies recruiting
9+research centers nearby
5condition categories
Live from the NIH registry

Studies recruiting near Fontana right now

Top 25 of 958 recruiting studies, sorted by proximity — each links to its official registry page

Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast Cancer

PIK3CA Mutation, HER2- Negative Breast Cancer Phase 3 Interventional 540 participants sought
City of Hope National Medical Center — Duarte, California (29.7 mi) · Sponsor: Relay Therapeutics, Inc.
See eligibility & contact on ClinicalTrials.gov (NCT06982521)

A Phase 1 Study of UB-VV111 With and Without Rapamycin in Relapsed/Refractory CD19+ B-cell Malignancies

Lymphoma, B-Cell, Lymphoma, Non-Hodgkin (NHL) Phase 1 Interventional 106 participants sought
City of Hope — Duarte, California (29.7 mi) · Sponsor: Umoja Biopharma
See eligibility & contact on ClinicalTrials.gov (NCT06528301)

A Study of NX-2127 in Adults With Relapsed/Refractory B-cell Malignancies

Chronic Lymphocytic Leukemia (CLL), Small Lymphocytic Lymphoma (SLL) Phase 1 Interventional 248 participants sought
City of Hope — Duarte, California (29.7 mi) · Sponsor: Nurix Therapeutics, Inc.
See eligibility & contact on ClinicalTrials.gov (NCT04830137)

BAFFR-targeting CAR T Cells for Patients With Relapsed or Refractory B-NHL

Relapsed or Refractory B-cell Non-Hodgkin's Lymphoma Phase 1 Interventional 36 participants sought
City of Hope Medical Center — Duarte, California (29.7 mi) · Sponsor: PeproMene Bio, Inc.
See eligibility & contact on ClinicalTrials.gov (NCT05370430)

A Study to Learn How Avacincaptad Pegol (Izervay™) is Used in Clinical Practice in People Who Have Geographic Atrophy

Geographic Atrophy, Macular Degeneration N/A Observational 500 participants sought
Retina Consultants of Southern CA — Redlands, California (16.1 mi) · Sponsor: Astellas Pharma Global Development, Inc.
See eligibility & contact on ClinicalTrials.gov (NCT06779773)

Testing What Happens When an Immunotherapy Drug (Pembrolizumab) is Given by Itself Compared to the Usual Treatment of Chemotherapy With Radiation After Surgery for Recurrent Head and Neck Squamous Cell Carcinoma

Recurrent Head and Neck Squamous Cell Carcinoma, Recurrent Hypopharyngeal Squamous Cell Carcinoma Phase 2 Interventional 188 participants sought
Kaiser Permanente-Ontario — Ontario, California (11.2 mi) · Sponsor: National Cancer Institute (NCI)
See eligibility & contact on ClinicalTrials.gov (NCT04671667)

Study of AZD4512 Monotherapy or in Combination With Anticancer Agents in Participants With Acute Lymphoblastic Leukemia

B-cell Acute Lymphoblastic Leukemia (B-ALL) Phase 1, Phase 2 Interventional 83 participants sought
Research Site — Duarte, California (29.7 mi) · Sponsor: AstraZeneca
See eligibility & contact on ClinicalTrials.gov (NCT07109219)

Phase 2 Trial of Icovamenib in Participants With Type 2 Diabetes Who Are Not Achieving Glycemic Targets

Type 2 Diabetes Phase 2 Interventional 60 participants sought
Catalina Research Institute, LLC — Montclair, California (13.2 mi) · Sponsor: Biomea Fusion Inc.
See eligibility & contact on ClinicalTrials.gov (NCT07502495)

Wound Irrigation With Saline Versus Hypodilute-chlorhexidine After Cesarean Section (WISHES Study)

Cesarean Section Complications, Cesarean Section; Infection N/A Interventional 400 participants sought
Loma Linda University — Loma Linda, California (11.9 mi) · Sponsor: Loma Linda University
See eligibility & contact on ClinicalTrials.gov (NCT06339203)

Vedolizumab Plus Post-transplant Cyclophosphamide and Short Course Tacrolimus for the Prevention of Graft Versus Host Disease in Patients Undergoing Allogeneic Hematopoietic Cell Transplantation After Reduced Intensity Conditioning

Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia Phase 2 Interventional 35 participants sought
City of Hope Medical Center — Duarte, California (29.7 mi) · Sponsor: City of Hope Medical Center
See eligibility & contact on ClinicalTrials.gov (NCT06815003)

Efficacy of Preoperative Administration of Gabapentin in 3rd Molar Dental Extraction.

Dental Pain and Sensation Disorder, Pain, Postoperative Phase 4 Interventional 98 participants sought
Loma Linda University Health — Loma Linda, California (11.9 mi) · Sponsor: Loma Linda University
See eligibility & contact on ClinicalTrials.gov (NCT04860141)

Evaluation of DNA Methylation Signatures for the Diagnosis and Management of Thyroid Nodules

Thyroid Gland Carcinoma N/A Interventional 1,450 participants sought
City of Hope Medical Center — Duarte, California (29.7 mi) · Sponsor: City of Hope Medical Center
See eligibility & contact on ClinicalTrials.gov (NCT05229341)

A Study of REC-1245 in Participants With Unresectable, Locally Advanced, or Metastatic Cancer

Unresectable, Locally Advanced Phase 1, Phase 2 Interventional 170 participants sought
City of Hope — Duarte, California (29.7 mi) · Sponsor: Recursion Pharmaceuticals Inc.
See eligibility & contact on ClinicalTrials.gov (NCT06678659)

Study of SLS009 (Formerly GFH009) a Potent Highly Selective CDK9 Inhibitor in Patients With Hematologic Malignancies and High-Risk Newly Diagnosed AML

Hematologic Malignancies Phase 1, Phase 2 Interventional 160 participants sought
City of Hope National Medical Center — Duarte, California (29.7 mi) · Sponsor: Sellas Life Sciences Group
See eligibility & contact on ClinicalTrials.gov (NCT04588922)

A Study of Eltrekibart and Mirikizumab in Adult Patients With Moderately to Severely Active Ulcerative Colitis

Ulcerative Colitis, Ulcerative Colitis Chronic Phase 2 Interventional 140 participants sought
Prospective Research Innovations — Rancho Cucamonga, California (7.7 mi) · Sponsor: Eli Lilly and Company
See eligibility & contact on ClinicalTrials.gov (NCT06598943)

CD33-CAR T Cell Therapy for the Treatment of Recurrent or Refractory Acute Myeloid Leukemia

Acute Myeloid Leukemia, Recurrent Adult Acute Myeloid Leukemia Phase 1 Interventional 27 participants sought
City of Hope Medical Center — Duarte, California (29.7 mi) · Sponsor: City of Hope Medical Center
See eligibility & contact on ClinicalTrials.gov (NCT05672147)

A Study of DR-01 in Subjects With Large Granular Lymphocytic Leukemia or Cytotoxic Lymphomas

LGLL - Large Granular Lymphocytic Leukemia, Primary Cutaneous Gamma-Delta T-Cell Lymphoma Phase 1, Phase 2 Interventional 200 participants sought
Dren Investigational Site — Duarte, California (29.7 mi) · Sponsor: Dren Bio
See eligibility & contact on ClinicalTrials.gov (NCT05475925)

Investigating the Feasibility and Acceptability of an Innovative Interdisciplinary Supportive Care Program: Couples Coping Together Against Cancer

Anatomic Stage IV Breast Cancer AJCC v8, Glioblastoma N/A Observational 160 participants sought
City of Hope Medical Center — Duarte, California (29.7 mi) · Sponsor: City of Hope Medical Center
See eligibility & contact on ClinicalTrials.gov (NCT07664579)

Dinutuximab With Chemotherapy, Surgery and Stem Cell Transplantation for the Treatment of Children With Newly Diagnosed High Risk Neuroblastoma

Ganglioneuroblastoma, Nodular, Neuroblastoma Phase 3 Interventional 478 participants sought
Loma Linda University Medical Center — Loma Linda, California (11.9 mi) · Sponsor: National Cancer Institute (NCI)
See eligibility & contact on ClinicalTrials.gov (NCT06172296)

A Study to Evaluate the Safety and Efficacy of Ruxolitinib Cream in Pediatric Participants With Nonsegmental Vitiligo

NonSegmental Vitiligo Phase 3 Interventional 180 participants sought
Empire Clinical Research — Pomona, California (17.0 mi) · Sponsor: Incyte Corporation
See eligibility & contact on ClinicalTrials.gov (NCT06548360)

Metabolic Cost of Walking With Passive vs. Powered Prosthetic Knees Among Persons With Limb Loss

Transfemoral Amputation N/A Interventional 12 participants sought
Loma Linda University — Loma Linda, California (11.9 mi) · Sponsor: Loma Linda University
See eligibility & contact on ClinicalTrials.gov (NCT05831696)

Study Assessing Activity of Intravenous (IV) Etentamig Monotherapy Versus Standard Available Therapies in Adult Participants With Relapsed or Refractory Multiple Myeloma

Multiple Myeloma Phase 3 Interventional 380 participants sought
VA Loma Linda Healthcare System /ID# 261015 — Loma Linda, California (11.9 mi) · Sponsor: AbbVie
See eligibility & contact on ClinicalTrials.gov (NCT06158841)
Google-rated

Top-rated research centers in Fontana

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

Critical Care Research Inc

★ 5.0
10743 Civic Center Dr, Rancho Cucamonga, CA 91730
(909) 987-3883
"Now look at my problem<br>Hello I am interested in attending the Friday May 29 @ 1pm information session @ University of South Alabama. My Bachelor o…"
— Kel Moy, 5★

CenExel Riverside CA

★ 4.7
5700 Division St, Riverside, CA 92506
(866) 478-8391
"You have to experience it for yourself.."
— Jarad Racine, 5★

Paid Clinical Trials Riverside

★ 5.0
4121 Brockton Ave #102, Riverside, CA 92501
(951) 778-1131
"Very professional.<br>Easy to understand.<br>Friendly"
— Susie Mierzwik, 5★

Breakthrough Clinical Trials

★ 5.0
1830 E Commercenter Cir, San Bernardino, CA 92408
(909) 890-9222
"Honestly these are good people and they care about their patients I liked it from the start it's a good way to make money and be a good person"
— Paul Shields, 5★

Catalina Research Institute

★ 4.5
9525 Monte Vista Ave Ste 200, Montclair, CA 91763
(909) 590-8409
"Hi my name is Lionel Thomas I value innovation, data, and helping people, participating in a clinical trial with Catalina Research Institute has been…"
— Lionel Thomas, 5★

Riverside Clinical

3630 Central Ave Ste 8, Riverside, CA 92506
(951) 374-8000

Prospective Research Innovations Inc.

★ 5.0
8577 Haven Ave Suite 301, 8577 Haven Ave #301, Rancho Cucamonga, CA 91730
(626) 559-2770
"I've had an amazing experience with Prospective Research. The staff were really nice and caring, and the facilities were top-notch. Everything was re…"
— Ajwa Khalil, 5★

Velocity Clinical Research

★ 4.5
650 E Hospitality Ln #200, San Bernardino, CA 92408
(951) 755-0222
"The staff was very nice to me and anytime I had a concern or anything needed a question on. They were always prompt to answer it and I highly recomme…"
— Laura, 5★

Probe Clinical Research

★ 3.3
4121 Brockton Ave #102, Riverside, CA 92501
(951) 778-1131
"My experience at Probe Research was great! I was invited to participate in the lumbosacral radiculopathy study. Melinda’s nursing skills were wonder…"
— C Lynn, 5★

Clinical trials in Fontana: what's recruiting

The Fontana area currently has 958 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 Fontana, the most active research areas are:

  • Cancer & Oncology15 studies
  • Liver & Kidney2 studies
  • Diabetes & Metabolism1 studies
  • Immune & Skin1 studies
  • Brain & Mental Health1 studies

Every listing shows the study phase, the recruiting site and its distance from Fontana, 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 Fontana

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.

Fontana 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

How much do paid clinical trials in Fontana pay?
Compensation varies by study length, procedures and overnight stays. Industry surveys report typical payments from $75 to $4,500 per completed study, with simple observational studies at the low end and multi-week inpatient Phase 1 studies at the high end. Each listing's study team will confirm the exact amount before you enroll.
Are clinical trials in Fontana 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 Fontana, CA?
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 Fontana?
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.

Paid clinical trials near Fontana

Other metros within reach

Rancho Cucamonga, CA1,457 Ontario, CA1,685 Riverside, CA934 San Bernardino, CA464 Corona, CA1,557 Pomona, CA3,119 Moreno Valley, CA438 Victorville, CA56

More of CA

Long Beach3,341 Torrance3,236 Fullerton3,223 Anaheim3,155 Garden Grove3,152 Pomona3,119 Glendale2,957 Los Angeles2,943 Huntington Beach2,841 Santa Clarita2,395 Hayward2,256 Oakland2,249

New paid studies open every week

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