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

Paid Clinical Trials in Santa Maria, CA

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

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

95studies recruiting
4+research centers nearby
4condition categories
Live from the NIH registry

Studies recruiting near Santa Maria right now

Top 25 of 95 recruiting studies, sorted by proximity — each links to its official registry page

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
Mission Hope Medical Oncology - Santa Maria — Santa Maria, California (1.4 mi) · Sponsor: ECOG-ACRIN Cancer Research Group

Early Intervention to Promote Cardiovascular Health of Mothers and Children

Cardiovascular Health N/A Interventional 6,618 participants sought
California Polytechnic State University — San Luis Obispo, California (27.1 mi) · Sponsor: JHSPH Center for Clinical Trials

A Study Describing the Efficacy and Safety of Belimumab Administered in Adult Participants With Early Systemic Lupus Erythematosus (SLE)

Systemic Lupus Erythematosus Phase 4 Interventional 350 participants sought
GSK Investigational Site — Mission Hills, California (17.1 mi) · Sponsor: GlaxoSmithKline

Thoracotomy Versus Thoracoscopic Management of Pulmonary Metastases in Patients With Osteosarcoma

Metastatic Malignant Neoplasm in the Lung, Metastatic Osteosarcoma Phase 3 Interventional 62 participants sought
PCR Oncology — Arroyo Grande, California (15.3 mi) · Sponsor: Children's Oncology Group

Assessing Benefits and Harms of Cannabis/Cannabinoid Use Among Cancer Patients Treated in Community Oncology Clinics

Breast Carcinoma, Colorectal Carcinoma N/A Observational 2,000 participants sought
Mission Hope Medical Oncology - Santa Maria — Santa Maria, California (1.4 mi) · Sponsor: Wake Forest University Health Sciences

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
Mission Hope Medical Oncology - Santa Maria — Santa Maria, California (1.4 mi) · Sponsor: Canadian Cancer Trials Group

De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)

Stage I Breast Cancer Phase 3 Interventional 1,670 participants sought
Mission Hope Medical Oncology - Santa Maria — Santa Maria, California (1.4 mi) · Sponsor: NRG Oncology

Cognitive Training for Cancer Related Cognitive Impairment in Breast Cancer Survivors

Breast Cancer, Cognitive Impairments N/A Interventional 386 participants sought
Mission Hope Medical Oncology - Santa Maria — Santa Maria, California (1.4 mi) · Sponsor: NRG Oncology

A Pivotal Clinical Study to Investigate Efimosfermin Alfa in Participants With Biopsy-confirmed F2- or F3-stage MASH

Non-alcoholic Fatty Liver Disease Phase 3 Interventional 1,200 participants sought
GSK Investigational Site — Santa Maria, California (1.4 mi) · Sponsor: GlaxoSmithKline

Vismodegib, FAK Inhibitor GSK2256098, Capivasertib, and Abemaciclib in Treating Patients With Progressive Meningiomas

Intracranial Meningioma, Recurrent Meningioma Phase 2 Interventional 124 participants sought
Mission Hope Medical Oncology - Santa Maria — Santa Maria, California (1.4 mi) · Sponsor: Alliance for Clinical Trials in Oncology

A Study Evaluating Efruxifermin in Subjects With Non-Cirrhotic Nonalcoholic Steatohepatitis (NASH)/Metabolic Dysfunction-Associated Steatohepatitis (MASH) and Fibrosis

NASH With Fibrosis, MASH With Fibrosis Phase 3 Interventional 1,650 participants sought
Akero Clinical Study Site — Santa Maria, California (1.4 mi) · Sponsor: Akero Therapeutics, Inc

A Study to Learn About the Study Medicine Called PF-07328948 in Adults With Heart Failure (BRANCH-HF)

Heart Failure Phase 2 Interventional 620 participants sought
Comprehensive Cardiovascular Care — Santa Maria, California (1.4 mi) · Sponsor: Pfizer

Testing the Addition of a Type of Drug Called Immunotherapy to the Usual Chemotherapy Treatment for Non-small Cell Lung Cancer, an ALCHEMIST Treatment Trial (Chemo-IO [ACCIO])

Lung Non-Small Cell Carcinoma, Lung Non-Small Cell Squamous Carcinoma Phase 3 Interventional 1,210 participants sought
Mission Hope Medical Oncology - Santa Maria — Santa Maria, California (1.4 mi) · Sponsor: National Cancer Institute (NCI)

A Study of Elacestrant Versus Standard Endocrine Therapy in Women and Men With ER+,HER2-, Early Breast Cancer With High Risk of Recurrence

Breast Cancer Phase 3 Interventional 4,220 participants sought
Sansum Clinic — Solvang, California (29.1 mi) · Sponsor: Stemline Therapeutics, Inc.

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
Mission Hope Medical Oncology - Santa Maria — Santa Maria, California (1.4 mi) · Sponsor: Alliance for Clinical Trials in Oncology

Lung-MAP: A Master Screening Protocol for Previously-Treated Non-Small Cell Lung Cancer

Previously Treated Non-Small Cell Lung Cancer Phase 2, Phase 3 Interventional 10,000 participants sought
PCR Oncology — Arroyo Grande, California (15.3 mi) · Sponsor: SWOG Cancer Research Network

Creatine Supplementation At Simulated Altitude

Exercise Performance N/A Interventional 60 participants sought
California Polytechnic State University — San Luis Obispo, California (27.1 mi) · Sponsor: California Polytechnic State University-San Luis Obispo

Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection

Multiple conditions N/A Observational 2,000 participants sought
Mission Hope Medical Oncology - Santa Maria — Santa Maria, California (1.4 mi) · Sponsor: Alliance for Clinical Trials in Oncology

Telehealth Self-Management Coaching Sessions to Improve Quality of Life in Pancreatic Cancer Survivors and Their Family Care Givers

Metastatic Pancreatic Adenocarcinoma N/A Interventional 136 participants sought
City of Hope Mission Hills — Mission Hills, California (17.1 mi) · Sponsor: City of Hope Medical Center

A Study of Disitamab Vedotin Alone or With Pembrolizumab in Urothelial Cancer That Expresses HER2

Urothelial Carcinoma Phase 2 Interventional 372 participants sought
UCLA Hematology/Oncology - San Luis Obispo — San Luis Obispo, California (27.1 mi) · Sponsor: Seagen, a wholly owned subsidiary of Pfizer

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
PCR Oncology — Arroyo Grande, California (15.3 mi) · Sponsor: NRG Oncology

Collection and Storage of Tissue and Blood Samples From Patients With Cancer

Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm N/A Observational 5,000 participants sought
PCR Oncology — Arroyo Grande, California (15.3 mi) · Sponsor: National Cancer Institute LAO

Machine Learning Prediction of Possible Central Line Associated Blood Stream Infections and Rate of Reduction

Central Line Associated Blood Stream Infections (CLABSI) N/A Interventional 17,800 participants sought
Providence Holy Cross Medical Center — Mission Hills, California (17.1 mi) · Sponsor: Swedish Medical Center

Evidence-Based Quality Improvement to Reduce VA Primary Care Burnout

Burnout, Burnout Syndrome N/A Interventional 203 participants sought
Santa Maria VA Clinic, VA Greater Los Angeles Healthcare System — Santa Maria, California (1.4 mi) · Sponsor: VA Greater Los Angeles Healthcare System
Google-rated

Top-rated research centers in Santa Maria

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

A.T. Still University - College for Healthy Communities

★ 4.0
1075 Betteravia Rd Suite 201, Santa Maria, CA 93454
(805) 621-7651
"Very clean and the staff very friendly"
— Mario Espinoza, 5★

Ventura Clinical Trials

★ 4.0
1835 Knoll Dr, Ventura, CA 93003
(805) 339-0549
"ALEX WAS SIMPLY AMAZING...VERY PROFESSIONAL YET CARING AS WELL... EXCELLENT BED SIDE MANNER...VERY COMFORTABLE EXPERIENCE.⛑️"
— Manuel Maez, 5★

Labcorp

★ 2.8
1145 E Clark Ave # B, Santa Maria, CA 93455
(805) 934-4498
"I had some blood drawn here and the staff was very friendly and professional. I made an 8:00 a.m. appointment, got there early, and was done and on m…"
— Stephen Herrick, 5★

PCR Oncology

★ 5.0 (4 reviews)
584 Camino Mercado, Arroyo Grande, CA 93420
(805) 474-9143
"Very homely! Staff and doctors are wonderful!"
— jeny fuentes, 5★

Clinical trials in Santa Maria: what's recruiting

The Santa Maria area currently has 95 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 Santa Maria, the most active research areas are:

  • Cancer & Oncology15 studies
  • Liver & Kidney4 studies
  • Heart & Vascular2 studies
  • Immune & Skin1 studies

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

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.

Santa Maria 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 Santa Maria 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 Santa Maria?
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.
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 Santa Maria?
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 Santa Maria.
Can I be in more than one clinical trial at a time?
Generally no — most studies exclude participants currently enrolled in another trial, and paid Phase 1 studies enforce a washout period (often 30 days or more) between studies. Frequent healthy volunteers in Santa Maria typically complete one or two studies per year.

Paid clinical trials near Santa Maria

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