How much do paid clinical trials in Killeen 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 Killeen?

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 Killeen 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 Killeen, 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.

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 Killeen typically complete one or two studies per year.

Paid Clinical Trials Killeen, TX — 102 Studies Recruiting (Jul 2026)

QuantifyHER: Quantitative Immunofluorescence and/or RT-qPCR for Measuring HER2 in HER2-low Metastatic Breast Cancer

HER2-positive Metastatic Breast Cancer N/A Observational 200 participants sought

MD Anderson Cancer center — Woodland, Texas (14.7 mi) · Sponsor: Abramson Cancer Center at Penn Medicine

See eligibility & contact on ClinicalTrials.gov (NCT06551116)

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

Baylor Scott and White Medical Center — Temple, Texas (22.9 mi) · Sponsor: Relay Therapeutics, Inc.

See eligibility & contact on ClinicalTrials.gov (NCT06982521)

HEMOTAG® Assessment for Short-term Outcomes of Heart Failure

Heart Failure (HF) N/A Interventional 420 participants sought

Baylor Scott & White Research Institute — Temple, Texas (22.9 mi) · Sponsor: Aventusoft, LLC.

See eligibility & contact on ClinicalTrials.gov (NCT04149743)

A Study to Investigate the Efficacy and Safety of Tezepelumab Compared With Placebo in Children 5 to < 12 Years Old With Severe Asthma

Asthma Phase 3 Interventional 231 participants sought

Research Site — Temple, Texas (22.9 mi) · Sponsor: AstraZeneca

See eligibility & contact on ClinicalTrials.gov (NCT06023589)

Multisite Advancement of Research on Chronic Posttraumatic Headache

Posttraumatic Headache N/A Interventional 525 participants sought

Carl R. Darnall Army Medical Center (Fort Cavazos) — Killeen, Texas (2.9 mi) · Sponsor: The University of Texas Health Science Center at San Antonio

See eligibility & contact on ClinicalTrials.gov (NCT05620719)

A Real-world Chronic Myelogenous Leukemia (CML) Patient Disease Registry to Describe Patient Experience and Clinical Outcomes Among Patients With CML Receiving Approved First or Second Line Tyrosine Kinase Inhibitor (TKI) Therapy

Chronic Myelogenous Leukemia - Chronic Phase N/A Observational 1,000 participants sought

Baylor Scott and White Research — Temple, Texas (22.9 mi) · Sponsor: Novartis Pharmaceuticals

See eligibility & contact on ClinicalTrials.gov (NCT07091019)

Implementation pRogram to Improve Screening and Management for CKD in Diabetes (Program 1) (IRIS-CKD)

Chronic Kidney Disease(CKD), Type 2 DM N/A Interventional 750 participants sought

Baylor Scott & White — Temple, Texas (22.9 mi) · Sponsor: Duke University

See eligibility & contact on ClinicalTrials.gov (NCT06906627)

Paper-Based and Smartphone-Based Memory Supports

Alzheimer Disease, Dementia, Mild N/A Interventional 200 participants sought

Baylor Scott & White Healthcare — Temple, Texas (22.9 mi) · Sponsor: Baylor University

See eligibility & contact on ClinicalTrials.gov (NCT06444841)

Parenting STAIR: Adapting a Trauma-Focused Parenting Intervention for Military-Connected Mothers and Their Children

PTSD, Depression N/A Interventional 120 participants sought

Steven A. Cohen Military Family Clinic at Endeavors, Killeen — Killeen, Texas (2.9 mi) · Sponsor: New York University

See eligibility & contact on ClinicalTrials.gov (NCT06262178)

Shared Decision Making in PTSD Treatment

Post Traumatic Stress Disorder PTSD N/A Interventional 200 participants sought

Carl R. Darnall Army Medical Center (CRDAMC) — Fort Cavazos, Texas (4.9 mi) · Sponsor: The University of Texas Health Science Center at San Antonio

See eligibility & contact on ClinicalTrials.gov (NCT06953687)

A Study to Evaluate the Optimization of the Cytokine Release Syndrome Profile for Glofitamab in Combination With Gemcitabine Plus Oxaliplatin in Participants With Relapsed/Refractory Aggressive B-Cell Non-Hodgkin's Lymphoma

B-Cell Non-Hodgkins Lymphoma Phase 2 Interventional 100 participants sought

Baylor Scott & White Health — Temple, Texas (22.9 mi) · Sponsor: Hoffmann-La Roche

See eligibility & contact on ClinicalTrials.gov (NCT06806033)

Trial Against INtractable Type 2 Diabetes (CAPTAIN-T2D)

Type 2 Diabetes, Cortisol Excess Phase 2 Interventional 1,500 participants sought

Radiance Clinical Research — Lampasas, Texas (26.8 mi) · Sponsor: Sparrow Pharmaceuticals

See eligibility & contact on ClinicalTrials.gov (NCT07296484)

A Study of the Efficacy and Safety of Belimumab in Adults With Interstitial Lung Disease Associated With Connective Tissue Disease

Lung Diseases, Interstitial Phase 3 Interventional 440 participants sought

GSK Investigational Site — Temple, Texas (22.9 mi) · Sponsor: GlaxoSmithKline

See eligibility & contact on ClinicalTrials.gov (NCT06572384)

Long-Term Real-World Outcomes Study on Patients Implanted With a Neurostimulator

Chronic Pain N/A Observational 2,000 participants sought

Central Texas Pain Institute — Killeen, Texas (2.9 mi) · Sponsor: Abbott Medical Devices

See eligibility & contact on ClinicalTrials.gov (NCT03876054)

A Study to Investigate Ubamatamab With and Without REGN7075 in Adult Participants With Advanced/Metastatic Non-Small Cell Lung Cancer (NSCLC)

Advanced/Metastatic Non-Small Cell Lung Cancer Phase 2 Interventional 300 participants sought

Baylor Scott & White Health — Temple, Texas (22.9 mi) · Sponsor: Regeneron Pharmaceuticals

See eligibility & contact on ClinicalTrials.gov (NCT07154290)

I-DECIDE After Bronchiolitis Hospitalization

Bronchiolitis Acute N/A Interventional 2,700 participants sought

Baylor Scott and White Mclane Children's — Belton, Texas (15.8 mi) · Sponsor: Seattle Children's Hospital

See eligibility & contact on ClinicalTrials.gov (NCT07243652)

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

Urothelial Carcinoma Phase 2 Interventional 372 participants sought

Baylor Scott & White Medical Center - Temple — Temple, Texas (22.9 mi) · Sponsor: Seagen, a wholly owned subsidiary of Pfizer

See eligibility & contact on ClinicalTrials.gov (NCT04879329)

MagnetisMM-32: A Study to Learn About the Study Medicine Called Elranatamab in People With Multiple Myeloma (MM) That Has Come Back After Taking Other Treatments (Including Prior Treatment With an Anti-CD38 Antibody and Lenalidomide)

Multiple Myeloma Phase 3 Interventional 492 participants sought

Baylor Scott & White Medical Center - Temple — Temple, Texas (22.9 mi) · Sponsor: Pfizer

See eligibility & contact on ClinicalTrials.gov (NCT06152575)

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

Scott and White Memorial Hospital — Temple, Texas (22.9 mi) · Sponsor: NRG Oncology

See eligibility & contact on ClinicalTrials.gov (NCT05327686)

Study to Assess Adverse Events and Disease Activity of Oral Ubrogepant Tablets for the Acute Treatment of Migraine in Children and Adolescents (Ages 6-17)

Migraine Phase 3 Interventional 1,059 participants sought

FMC Science /ID# 231915 — Lampasas, Texas (26.8 mi) · Sponsor: AbbVie

See eligibility & contact on ClinicalTrials.gov (NCT05125302)

A Prospective Registry Study to Assess Real-world Patient Characteristics, Treatment Patterns, and Longitudinal Outcomes in Patients Receiving Mavacamten and Other Treatments for Symptomatic Obstructive Hypertrophic Cardiomyopathy (Obstructive-HCM)

Obstructive Hypertrophic Cardiomyopathy N/A Observational 1,700 participants sought

Baylor Scott & White Medical Centre - Temple — Temple, Texas (22.9 mi) · Sponsor: Bristol-Myers Squibb

See eligibility & contact on ClinicalTrials.gov (NCT05489705)

SYNERGY-AI: Artificial Intelligence Based Precision Oncology Clinical Trial Matching and Registry

Cancer, Metastatic, Cancer N/A Observational 50,000 participants sought

Massive Bio SYNERGY-AI site — Temple, Texas (22.9 mi) · Sponsor: Massive Bio, Inc.

See eligibility & contact on ClinicalTrials.gov (NCT03452774)

A Study to Evaluate the Safety and Efficacy of Two Dose Levels of ONO-4578 With Opdivo®, in Combination With mFOLFOX6 and Bevacizumab Versus Standard of Care in Participants With Non-MSI-H/dMMR, PD-L1 Positive Advanced Colorectal Cancer

Colorectal Cancer Phase 2 Interventional 144 participants sought

Baylor Scott & White Medical Center — Temple, Texas (22.9 mi) · Sponsor: Ono Pharmaceutical Co., Ltd.

See eligibility & contact on ClinicalTrials.gov (NCT06948448)

Augmenting Massed Cognitive Processing Therapy (CPT) to Prevent Suicide Risk Among Patients With PTSD

Posttraumatic Stress Disorder (PTSD), Suicidal Ideation N/A Interventional 190 participants sought

Carl R. Darnall Army Medical Center — Fort Hood, Texas (12.5 mi) · Sponsor: Ohio State University

See eligibility & contact on ClinicalTrials.gov (NCT07238192)

Combining Immunotherapy and Radiation Therapy to Help Patients Avoid Bladder Removal After Treatment Shrinks Muscle Invasive Bladder Cancer, BRIGHT Trial

Muscle Invasive Bladder Urothelial Carcinoma, Stage II Bladder Cancer AJCC v8 Phase 2 Interventional 111 participants sought

Scott and White Memorial Hospital — Temple, Texas (22.9 mi) · Sponsor: National Cancer Institute (NCI)

See eligibility & contact on ClinicalTrials.gov (NCT07061964)

Paid Clinical Trials in Killeen, TX

Studies recruiting near Killeen right now

QuantifyHER: Quantitative Immunofluorescence and/or RT-qPCR for Measuring HER2 in HER2-low Metastatic Breast Cancer

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

HEMOTAG® Assessment for Short-term Outcomes of Heart Failure

A Study to Investigate the Efficacy and Safety of Tezepelumab Compared With Placebo in Children 5 to < 12 Years Old With Severe Asthma

Multisite Advancement of Research on Chronic Posttraumatic Headache

A Real-world Chronic Myelogenous Leukemia (CML) Patient Disease Registry to Describe Patient Experience and Clinical Outcomes Among Patients With CML Receiving Approved First or Second Line Tyrosine Kinase Inhibitor (TKI) Therapy

Implementation pRogram to Improve Screening and Management for CKD in Diabetes (Program 1) (IRIS-CKD)

Paper-Based and Smartphone-Based Memory Supports

Parenting STAIR: Adapting a Trauma-Focused Parenting Intervention for Military-Connected Mothers and Their Children

Shared Decision Making in PTSD Treatment

A Study to Evaluate the Optimization of the Cytokine Release Syndrome Profile for Glofitamab in Combination With Gemcitabine Plus Oxaliplatin in Participants With Relapsed/Refractory Aggressive B-Cell Non-Hodgkin's Lymphoma

Trial Against INtractable Type 2 Diabetes (CAPTAIN-T2D)

A Study of the Efficacy and Safety of Belimumab in Adults With Interstitial Lung Disease Associated With Connective Tissue Disease

Long-Term Real-World Outcomes Study on Patients Implanted With a Neurostimulator

A Study to Investigate Ubamatamab With and Without REGN7075 in Adult Participants With Advanced/Metastatic Non-Small Cell Lung Cancer (NSCLC)

I-DECIDE After Bronchiolitis Hospitalization

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

MagnetisMM-32: A Study to Learn About the Study Medicine Called Elranatamab in People With Multiple Myeloma (MM) That Has Come Back After Taking Other Treatments (Including Prior Treatment With an Anti-CD38 Antibody and Lenalidomide)

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

Study to Assess Adverse Events and Disease Activity of Oral Ubrogepant Tablets for the Acute Treatment of Migraine in Children and Adolescents (Ages 6-17)

A Prospective Registry Study to Assess Real-world Patient Characteristics, Treatment Patterns, and Longitudinal Outcomes in Patients Receiving Mavacamten and Other Treatments for Symptomatic Obstructive Hypertrophic Cardiomyopathy (Obstructive-HCM)

SYNERGY-AI: Artificial Intelligence Based Precision Oncology Clinical Trial Matching and Registry

A Study to Evaluate the Safety and Efficacy of Two Dose Levels of ONO-4578 With Opdivo®, in Combination With mFOLFOX6 and Bevacizumab Versus Standard of Care in Participants With Non-MSI-H/dMMR, PD-L1 Positive Advanced Colorectal Cancer

Augmenting Massed Cognitive Processing Therapy (CPT) to Prevent Suicide Risk Among Patients With PTSD

Combining Immunotherapy and Radiation Therapy to Help Patients Avoid Bladder Removal After Treatment Shrinks Muscle Invasive Bladder Cancer, BRIGHT Trial

Top-rated research centers in Killeen

CyberTex Institute of Technology

Carl R. Darnall Army Medical Center

Scout Ketamine and Wellness

Central Texas Clinical Research

Pinnacle Clinical Research

Velocity Clinical Research

Pinnacle Clinical Research

Austin Clinical Research

Velocity Clinical Research

Clinical trials in Killeen: what's recruiting

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Paid clinical trials near Killeen

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