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

Paid Clinical Trials in Merced, CA

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

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

29studies recruiting
3+research centers nearby
4condition categories
Live from the NIH registry

Studies recruiting near Merced right now

Top 25 of 29 recruiting studies, sorted by proximity — each links to its official registry page

Testing an Enhanced Digital Delivery Model for Inherited Cancer Genetic Testing in Young Adults With Cancer

Miscellaneous Neoplasm, Nos, Non-Neoplastic Condition, Nos N/A Interventional 535 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: Alliance for Clinical Trials in Oncology
See eligibility & contact on ClinicalTrials.gov (NCT07091617)

Comparing Impact of Treatment Before or After Surgery in Patients With Stage II-IIIB Resectable Non-small Cell Lung Cancer

Resectable Lung Non-Small Cell Carcinoma, Stage II Lung Cancer AJCC v8 Phase 3 Interventional 1,100 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: Alliance for Clinical Trials in Oncology
See eligibility & contact on ClinicalTrials.gov (NCT06632327)

ShortStop-HER2: 12 Months vs. 6 Months of HER2-targeted Medications for People With HER2+ Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Trastuzumab

Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8 Phase 3 Interventional 1,524 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: Alliance for Clinical Trials in Oncology
See eligibility & contact on ClinicalTrials.gov (NCT06876714)

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
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: Canadian Cancer Trials Group
See eligibility & contact on ClinicalTrials.gov (NCT06592924)

Collection of Research Data and Samples From Patients Who Experience Immunotherapy Side Effects

Malignancy N/A Observational 240 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: Alliance for Clinical Trials in Oncology
See eligibility & contact on ClinicalTrials.gov (NCT04242095)

Improving Adolescent and Young Adult Self-Reported Data in ECOG-ACRIN Trials

Breast Cancer, NOS, CNS Primary Tumor, NOS N/A Interventional 400 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: Eastern Cooperative Oncology Group
See eligibility & contact on ClinicalTrials.gov (NCT05108298)

Testing the Use of Combination Therapy in Adult Patients With Newly Diagnosed Multiple Myeloma, the EQUATE Trial

Plasma Cell Myeloma, RISS Stage I Plasma Cell Myeloma Phase 3 Interventional 1,450 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: ECOG-ACRIN Cancer Research Group
See eligibility & contact on ClinicalTrials.gov (NCT04566328)

mFOLFIRINOX Versus mFOLFOX With or Without Nivolumab for the Treatment of Advanced, Unresectable, or Metastatic HER2 Negative Esophageal, Gastroesophageal Junction, and Gastric Adenocarcinoma

Advanced Esophageal Adenocarcinoma, Advanced Gastric Adenocarcinoma Phase 3 Interventional 382 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: Alliance for Clinical Trials in Oncology
See eligibility & contact on ClinicalTrials.gov (NCT05677490)

Five or Ten Year Colonoscopy for 1-2 Non-Advanced Adenomatous Polyps

Adenocarcinoma of the Colon, Adenocarcinoma of the Rectum N/A Interventional 9,500 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: NRG Oncology
See eligibility & contact on ClinicalTrials.gov (NCT05080673)

Treating Prostate Cancer That Has Come Back After Surgery With Apalutamide and Targeted Radiation Based on PET Imaging

Biochemically Recurrent Prostate Carcinoma, Metastatic Prostate Carcinoma Phase 3 Interventional 804 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: ECOG-ACRIN Cancer Research Group
See eligibility & contact on ClinicalTrials.gov (NCT04423211)

Radiation Therapy With or Without Cisplatin in Treating Patients With Stage III-IVA Squamous Cell Carcinoma of the Head and Neck Who Have Undergone Surgery

Head and Neck Squamous Cell Carcinoma, Hypopharyngeal Squamous Cell Carcinoma Phase 2 Interventional 189 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: ECOG-ACRIN Cancer Research Group
See eligibility & contact on ClinicalTrials.gov (NCT02734537)

Studying the PAGODA Algorithm for Chemotherapy Dose Changes to Prevent Unplanned Treatment Delays

Ampulla of Vater Carcinoma, Appendix Carcinoma N/A Interventional 420 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: Alliance for Clinical Trials in Oncology
See eligibility & contact on ClinicalTrials.gov (NCT07283939)

Lenalidomide, and Dexamethasone With or Without Daratumumab in Treating Patients With High-Risk Smoldering Myeloma

Smoldering Plasma Cell Myeloma Phase 3 Interventional 288 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: ECOG-ACRIN Cancer Research Group
See eligibility & contact on ClinicalTrials.gov (NCT03937635)

Testing Olaparib for One or Two Years, With or Without Bevacizumab, to Treat Ovarian Cancer

Fallopian Tube Endometrioid Adenocarcinoma, Fallopian Tube High Grade Serous Adenocarcinoma Phase 3 Interventional 880 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: NRG Oncology
See eligibility & contact on ClinicalTrials.gov (NCT06580314)

Evaluating Whether an Educational Website Called Current Together After Cancer (CTAC) Improves Follow-up Care for Colorectal Cancer Survivors

Colorectal Cancer Stage II, Colorectal Cancer Stage III Phase 3 Interventional 1,057 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: SWOG Cancer Research Network
See eligibility & contact on ClinicalTrials.gov (NCT07018869)

Testing the Use of Chemotherapy After Surgery for High-Risk Pancreatic Neuroendocrine Tumors

Metastatic Malignant Neoplasm in the Liver, Pancreatic Neuroendocrine Tumor Phase 2 Interventional 141 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: SWOG Cancer Research Network
See eligibility & contact on ClinicalTrials.gov (NCT05040360)

Studying Chemotherapy With or Without Panitumumab for Unresectable, Locally Advanced, or Metastatic Pancreatic Cancer Without KRAS Mutations

Locally Advanced Pancreatic Adenocarcinoma, Metastatic Pancreatic Adenocarcinoma Phase 3 Interventional 94 participants sought
Mercy Cancer Center — Merced, California (0.4 mi) · Sponsor: SWOG Cancer Research Network
See eligibility & contact on ClinicalTrials.gov (NCT06998940)

Comparing Combinations of Drugs to Treat Newly Diagnosed Multiple Myeloma (NDMM) When a Stem Cell Transplant is Not a Medically Suitable Treatment

Plasma Cell Myeloma Phase 3 Interventional 510 participants sought
Mercy UC Davis Cancer Center — Merced, California (0.4 mi) · Sponsor: SWOG Cancer Research Network
See eligibility & contact on ClinicalTrials.gov (NCT05561387)

A Study to Test Whether Vicadrostat (BI 690517) in Combination With Empagliflozin Helps People With Heart Failure and a Weak Pumping Function of the Left Side of the Heart

Heart Failure Phase 3 Interventional 4,200 participants sought
Merced Vein and Vascular Center — Merced, California (0.4 mi) · Sponsor: Boehringer Ingelheim
See eligibility & contact on ClinicalTrials.gov (NCT06935370)
Actively enrolling

Studies you may be able to join near Merced

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.

Research study for alcohol-related liver damage

Enrolling US adults aged 18 to 70 with alcohol-induced liver damage and a history of heavy drinking. Not open to people with a recent stroke, heart attack, dialysis, or who take blood thinners.

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

Research study for bladder problems after spinal cord injury

This study is enrolling US adults aged 18 to 75 living with chronic involuntary bladder leakage caused by a spinal cord injury, for research including investigational gene therapy approaches. The study team confirms eligibility and any compensation before enrollment.

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 Merced

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

Central Valley Research

★ 4.9
400 E Orangeburg Ave Ste 5, Modesto, CA 95350
(209) 549-9538

Merced County Behavioral Health and Recovery Services

★ 2.9 (39 reviews)
301 E 13th St, Merced, CA 95341
(209) 381-6800
"Avoid at all costs. Ask your Medi-Cal insurance provider about other options."
— Merced Google User, 1★

Fresno Clinical Research Center

★ 5.0
7102 N Fresno St Ste 101, Fresno, CA 93720
(559) 712-6199
"Very kind and very professional"
— Vivian, 5★

Clinical trials in Merced: what's recruiting

The Merced area currently has 29 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 Merced, the most active research areas are:

  • Cancer & Oncology18 studies
  • Immune & Skin1 studies
  • Liver & Kidney1 studies
  • Heart & Vascular1 studies

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

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.

Merced 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 Merced 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.
Do I need to be sick to join a clinical trial in Merced?
No. Many studies recruit healthy volunteers, especially early-phase studies run at dedicated research centers. Others need participants diagnosed with a specific condition. Every trial lists its eligibility criteria — age range, condition, medications — and the study team screens you before enrollment.
Are clinical trials in Merced 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.
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.
How often do new paid studies open in Merced?
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 Merced.

Paid clinical trials near Merced

Other metros within reach

Modesto, CA99 Fresno, CA166 Stockton, CA100 Salinas, CA44 San Jose, CA1,132 Elk Grove, CA625 Antioch, CA449 Visalia, CA2

By condition

Eligibility and exclusions, condition by condition

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

More of CA

Long Beach3,348 Torrance3,239 Fullerton3,230 Anaheim3,164 Garden Grove3,162 Pomona3,123 Glendale2,948 Los Angeles2,936 Huntington Beach2,847 Santa Clarita2,389 Hayward2,266 Oakland2,257

New paid studies open every week

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