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

Paid Clinical Trials in Brownsville, TX

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

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

62studies recruiting
9+research centers nearby
6condition categories
Live from the NIH registry

Studies recruiting near Brownsville right now

Top 25 of 62 recruiting studies, sorted by proximity — each links to its official registry page

Symbiotic-Lung-01 : A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Locally Advanced or Metastatic Non-Small Cell Lung Cancer

Advanced Non-Small Cell Lung Cancer, Non-Small Cell Lung Cancer Phase 3 Interventional 1,410 participants sought
Texas Oncology - Central/South Texas — Harlingen, Texas (19.9 mi) · Sponsor: Pfizer

LIVERAGE™ - Cirrhosis: A Study to Test Whether Survodutide Helps People With a Liver Disease Called NASH/MASH Who Have Cirrhosis

Metabolic Dysfunction Associated Steatohepatitis Phase 3 Interventional 1,590 participants sought
South Texas Research Institute - Brownsville — Brownsville, Texas (7.1 mi) · Sponsor: Boehringer Ingelheim

An Induction Study to Investigate the Efficacy and Safety of Duvakitug in Participants With Moderately to Severely Active Ulcerative Colitis

Ulcerative Colitis Phase 3 Interventional 980 participants sought
Valley Institute of Research - Site Number: 8400004 — Harlingen, Texas (19.9 mi) · Sponsor: Sanofi

A Study to Evaluate the Efficacy and Safety of Icotrokinra (JNJ-77242113) in Biologic-experienced and Biologic-naive Participants With Active Psoriatic Arthritis

Arthritis, Psoriatic Phase 3 Interventional 750 participants sought
Naiara Alvarez MD Integrative Rheumatology of South TX — Harlingen, Texas (19.9 mi) · Sponsor: Janssen Research & Development, LLC

Efficacy and Safety of Obefazimod in Subjects With Moderately to Severely Active Crohn's Disease

Moderately to Severely Active Crohn Disease Phase 2 Interventional 212 participants sought
Texas Digestive Specialists — Harlingen, Texas (19.9 mi) · Sponsor: Abivax S.A.

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
Headlands Horizons, LLC dba Headlands Research-Brownsville — Brownsville, Texas (7.1 mi) · Sponsor: Pfizer

A Study to Assess the Efficacy and Safety of Induction Therapy With Afimkibart (Also Known as RO7790121) in Participants With Moderately to Severely Active Ulcerative Colitis

Moderately to Severely Active Ulcerative Colitis Phase 3 Interventional 350 participants sought
Cano Medical Center — Harlingen, Texas (19.9 mi) · Sponsor: Hoffmann-La Roche

To Evaluate Efficacy of Belinostat or Pralatrexate in Combination Against CHOP Alone in PTCL

Peripheral T Cell Lymphoma Phase 3 Interventional 504 participants sought
Valley Cancer Associates — Harlingen, Texas (19.9 mi) · Sponsor: Acrotech Biopharma Inc.

A Study to Investigate Abdominal Symptoms With Camlipixant Compared With Placebo in Adults With Irritable Bowel Syndrome - Diarrhea (IBS-D) and Irritable Bowel Syndrome - Mixed (IBS-M)

Irritable Bowel Syndrome Phase 2 Interventional 420 participants sought
GSK Investigational Site — Harlingen, Texas (19.9 mi) · Sponsor: GlaxoSmithKline

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 — Brownsville, Texas (7.1 mi) · Sponsor: Akero Therapeutics, Inc

A Phase III Study of AZD0780 on Major Adverse CV Events in Patients With a History of ASCVD Events or at High Risk for a First Event

Cardiovascular Disease Phase 3 Interventional 15,100 participants sought
Research Site — Brownsville, Texas (7.1 mi) · Sponsor: AstraZeneca

A Study to Test Whether BI 3034701 Helps People to Lose Weight Who Live With Obesity or Overweight

Obesity, Overweight Phase 2 Interventional 300 participants sought
South Texas Research Institute - Brownsville — Brownsville, Texas (7.1 mi) · Sponsor: Boehringer Ingelheim

A Precision Medicine Approach Using Gene Silencing to Treat a Chronic Liver Disease Called Metabolic Dysfunction-Associated Steatohepatitis (MASH) in Adult Participants at Increased Genetic Risk for This Condition

Metabolic Dysfunction-Associated SteatoHepatitis (MASH) Phase 2 Interventional 120 participants sought
South Texas Research Institute (STRI) - Brownsville — Brownsville, Texas (7.1 mi) · Sponsor: Regeneron Pharmaceuticals

A Study to Investigate the Efficacy and Safety of Anifrolumab Administered as Subcutaneous Injection and Added to Standard of Care Compared With Placebo Added to Standard of Care in Adult Participants With Idiopathic Inflammatory Myopathies (Polymyositis and Dermatomyositis)

Polymyositis, Dermatomyositis Phase 3 Interventional 240 participants sought
Research Site — Harlingen, Texas (19.9 mi) · Sponsor: AstraZeneca

A Clinical Study to Investigate the Safety and Tolerability of Efimosfermin Alfa Injection in Participants With Known or Suspected F2- or F3-stage MASH

Non-alcoholic Fatty Liver Disease Phase 3 Interventional 1,250 participants sought
GSK Investigational Site — Brownsville, Texas (7.1 mi) · Sponsor: GlaxoSmithKline

A Study to Assess the Efficacy and Safety of Induction and Maintenance Therapy With Afimkibart (RO7790121) in Participants With Moderately to Severely Active Crohn's Disease

Moderately to Severely Active Crohns Disease Phase 3 Interventional 600 participants sought
Cano Medical Center — Harlingen, Texas (19.9 mi) · Sponsor: Hoffmann-La Roche

A Study to Compare the Efficacy of Nivolumab and Relatlimab Plus Chemotherapy vs Pembrolizumab Plus Chemotherapy for Stage IV/Recurrent Non-squamous Non-small Cell Lung Cancer With PD-L1 Expression ≥ 1%

Non-small Cell Lung Cancer Phase 3 Interventional 1,000 participants sought
Local Institution - 0305 — Harlingen, Texas (19.9 mi) · Sponsor: Bristol-Myers Squibb

Symbiotic-GU-06: A Study to Learn About PF-08634404 Alone or In Combination With Enfortumab Vedotin in Urothelial Cancer

Urothelial Cancer, Advanced/Metastatic Urothelial Cancer Phase 1, Phase 2 Interventional 132 participants sought
Texas Oncology - Central/South Texas — Harlingen, Texas (19.9 mi) · Sponsor: Pfizer

A Study of a Thyroid Hormone Receptor Beta Isoform (THRβ) Agonist and an Semicarbazide Sensitive Amine Oxidase (SSAO) Inhibitor, Alone and in Combination, in Adults With Presumed Metabolic Dysfunction-associated Steatohepatitis (MASH)

Metabolic Dysfunction-associated Steatohepatitis Phase 2 Interventional 160 participants sought
South Texas Research Institute (STRI) - Brownsville — Brownsville, Texas (7.1 mi) · Sponsor: Eccogene

Efficacy, Safety, and Tolerability Study of Lunsekimig Compared With Placebo in Adult Participants With Inadequately Controlled Chronic Obstructive Pulmonary Disease (COPD) Characterized by an Eosinophilic Phenotype

Chronic Obstructive Pulmonary Disease Phase 3 Interventional 942 participants sought
Valley Institute of Research- Site Number : 8400118 — Harlingen, Texas (19.9 mi) · Sponsor: Sanofi
Actively enrolling

Studies you may be able to join near Brownsville

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.

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.

Google-rated

Top-rated research centers in Brownsville

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

Headlands Research Brownsville

★ 5.0
302 Lorenaly Dr Ste D, Brownsville, TX 78526
(956) 303-2776
"I so Love this it's just incredible"
— Janie Ruiz, 5★

South Texas Research Institute

★ 4.9
717, 77 Frontage Rd 83 Suite 6-9, Brownsville, TX 78520
(956) 468-3360
"Went in for a liver checkup. The staff was friendly. I was in and out fast. The service was free."
— cpu ram, 5★

Pan American Clinical Research, LLC

★ 4.9
744 E Levee St Ste A, Brownsville, TX 78520
(956) 443-0016
"Exelente servicio , me encanta este tipo de estudios clinicos ya Que todo es para mejorar las vacunas, mas los Dr. todos son unas personas increibles…"
— Carmen Acosta, 5★

InnoValley Clinical Research

3120 International Blvd, Brownsville, TX 78521

BTX Clinical Research

★ 2.0
704 Paredes Line Rd Ste F3, Brownsville, TX 78521
(956) 280-5310
"Seems to be a fake website the phone number on here belonged to an individual who knew nothing about the business."
— Sandra lee, 1★

Texas Valley Clinical Research

★ 4.9
1116 E 8th St #4, Weslaco, TX 78596
(956) 554-4003

Rio Grande Valley Clinical Research Institute

★ 5.0
1002 W Sam Houston Blvd Ste 5, Pharr, TX 78577
(956) 342-2626
"Great doctor's great work thank you guys"
— Mario Reyna, 5★

Discovery Clinical Trials - Mission

★ 4.8
1506 E Griffin Pkwy, Mission, TX 78572
(855) 468-7788
"Terrible experience. I was given a phony debit card as a compensation on 01/26/26. The clinic didn’t do the right thing in putting my information so …"
— Jose Sotello, 1★

DHR Health Institute for Research and Development

★ 4.0
1000 E Dove Ave Ste 200, McAllen, TX 78504
(956) 362-2390
"Staff is very friendly and great services"
— Ralphie Steinke, 5★

Clinical trials in Brownsville: what's recruiting

The Brownsville area currently has 62 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 Brownsville, the most active research areas are:

  • Cancer & Oncology6 studies
  • Immune & Skin6 studies
  • Liver & Kidney5 studies
  • Diabetes & Metabolism4 studies
  • Heart & Vascular3 studies

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

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.

Brownsville 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 Brownsville 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 Brownsville 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 Brownsville, TX?
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.
How often do new paid studies open in Brownsville?
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 Brownsville.
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 Brownsville typically complete one or two studies per year.

Paid clinical trials near Brownsville

Other metros within reach

By condition

Eligibility and exclusions, condition by condition

More of TX

New paid studies open every week

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