Chronic pain Clinical Trials in Killeen, TX

As of June 2026, 2 paid clinical trials are recruiting for Chronic pain in Killeen, Texas. Recruiting Chronic pain studies evaluate investigational treatments, diagnostics, and supportive care approaches to improve patient outcomes. Compensation typically covers time, travel, and study visits, and many studies also include study-related medical care at no cost.

Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: .

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2 clinical trials for Chronic pain

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About research studies in Killeen

Killeen has approximately 7 recruiting research studies across a wide range of therapeutic areas. Texas hosts major cancer and cardiovascular research centers including MD Anderson Cancer Center, Baylor College of Medicine, UT Southwestern Medical Center, and the Texas Medical Center — the largest medical complex in the world.

Top Research Study Locations in Killeen

Researchers run research studies in Killeen, TX at 8 active sites. The clinics below currently host the largest number of recruiting studies — each name is followed by the conditions they focus on most.

SiteSpecializes inActive trials
Central Texas Pain InstituteChronic Pain2
Fort HoodMental Toughness, Resilience, Resilience, Psychological2
AdventHealth Central TexasLumbar Spinal Stenosis1
Ambulatory Surgery Center of KilleenLumbar Spinal Stenosis1
Carl R. Darnall Army Medical Center (Fort Cavazos)Posttraumatic Headache1
Central Texas Day Surgery CenterLumbar Spinal Stenosis1
Integrated Pain AssociatesChronic Pain1
Steven A. Cohen Military Family Clinic at Endeavors, KilleenDepression, PTSD, Parent-Child Relations1

Active & Upcoming Studies in Killeen (2026)

Recruiting trials in Killeen grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.

Neurology & pain (2 active studies)

Common conditions studied in Killeen

  • Chronic Pain (2 active studies). Recruiting Chronic Pain studies evaluate investigational treatments, diagnostics, and supportive care approaches to improve patient outcomes.
  • Depression (1 active study). Depression studies test rapid-acting antidepressants including ketamine derivatives, psilocybin-assisted therapy, and neuromodulation approaches.
  • Lumbar Spinal Stenosis (1 active study). Recruiting Lumbar Spinal Stenosis studies evaluate investigational treatments, diagnostics, and supportive care approaches to improve patient outcomes.
  • Mental Toughness (1 active study). ENT (otolaryngology) trials evaluate new treatments for hearing loss, swallowing disorders, and head and neck cancers — covering pharmacologic, surgical, and rehabilitative approaches.
  • PTSD (1 active study). PTSD trials evaluate trauma-focused psychotherapies, MDMA-assisted therapy, and pharmacologic approaches for treatment-resistant symptoms.
  • Parent-Child Relations (1 active study). ENT (otolaryngology) trials evaluate new treatments for hearing loss, swallowing disorders, and head and neck cancers — covering pharmacologic, surgical, and rehabilitative approaches.

Leading research sponsors in Killeen

  • The University of Texas Health Science Center at San Antonio
  • Abbott Medical Devices
  • Boston Scientific Corporation
  • New York University
  • Stryker Instruments

Local regulations and guidelines

Clinical trials in Texas are governed by U.S. Food and Drug Administration (FDA) regulations, Office for Human Research Protections (OHRP) standards, and federal HIPAA privacy rules. Every study is reviewed by an Institutional Review Board (IRB) to protect participant safety and ensure informed consent. Trials run in Texas must also comply with the Texas Medical Privacy Act (TMPA), which extends federal HIPAA protections to a broader range of entities handling participant data.

Compensation & what to expect

How payment typically works
Compensation is most often provided through reloadable electronic study cards or direct deposit, paid out per completed visit rather than as a lump sum. Amounts vary by the time required, the number of visits, and the study's complexity — overnight stays and inpatient pharmacology studies generally pay more than short outpatient surveys. The exact amount is disclosed in writing during informed consent before any visit.
Healthy volunteers
Healthy participants aged 18 and older can earn compensation by joining vaccine, pharmacology, and biomarker studies in Killeen. These trials check how a new drug or vaccine behaves in healthy bodies before later-phase testing. Many sites maintain a healthy-volunteer registry so you hear about new opportunities first.
What's included beyond payment
Most trials cover study-related medical care at no cost — physical exams, lab work, imaging, the investigational treatment itself, and follow-up visits with the research team. Insurance is not required to participate. Free check-ups and access to specialists are common reasons participants return for additional studies.
Travel and time
Many sponsors reimburse travel, parking, mileage, and lost wages for visit days. Long-running studies and trials that require frequent visits often raise stipends accordingly. Ask the study coordinator for the visit schedule and reimbursement policy before you commit.
Asking about compensation
Compensation is set per protocol and per site, so figures are not published in trial registries. The fastest way to confirm payment for a specific study is to contact the recruiting site listed on the study record. Coordinators are accustomed to this question and will quote the per-visit and total amounts up front.

How to find a clinical trial in Killeen

Hipa.ai aggregates every recruiting study in Killeen from ClinicalTrials.gov and refreshes the list daily. Use the filters above to narrow by condition, facility, age, phase, or healthy-volunteer eligibility, then click any study title to view full details — eligibility criteria, intervention, location, and sponsor contact information. To enroll, reach out to the central study contact listed on the study detail page; the research coordinator will walk you through the screening process.

Frequently asked questions

How many paid clinical trials are currently recruiting in Killeen?

There are approximately 7 recruiting clinical trials in Killeen, Texas listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.

Do clinical trials in Killeen pay participants?

Most recruiting trials in Killeen compensate participants for their time, travel, and study visits. Compensation varies by sponsor, study phase, and visit requirements — the exact amount is disclosed by the study team during the informed consent process.

Who can participate in a clinical trial in Killeen?

Eligibility depends on the specific study. Each trial defines its own inclusion criteria (age, diagnosis, medical history, prior treatments) and exclusion criteria. Both patients with specific conditions and healthy volunteers can qualify, depending on the study design.

What conditions are most commonly studied in Killeen?

The most common conditions under active study in Killeen include Chronic Pain (2), Depression (1), Lumbar Spinal Stenosis (1), Mental Toughness (1), among many others. Browse the list above to explore every recruiting trial.

Are there clinical trials for healthy volunteers in Killeen?

Yes. Healthy-volunteer studies — often early-phase pharmacology or vaccine trials — recruit in Killeen on an ongoing basis. Use the "Healthy volunteers only" filter above to view trials that accept participants without the study's target condition.

How do I enroll in a clinical trial in Killeen?

Click any study title above to see the full study record, including eligibility criteria, visit schedule, and the study team's contact information. Reach out to the central contact or recruiting site directly — they will guide you through screening and informed consent.

Where can I take part in paid clinical trials in Killeen?

Recruiting research sites in Killeen include Central Texas Pain Institute, Fort Hood, AdventHealth Central Texas, among others. Each site lists its open studies and contact information on the study record above — call or email the site coordinator to ask about screening for a specific protocol.

What kinds of studies are recruiting in Killeen right now?

The largest active categories in Killeen are Neurology & pain (2), Mental health & behavior (1). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.

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Trials by condition in Killeen