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Yes, completely free. GuineaPig pulls data from ClinicalTrials.gov and adds compensation estimates, eligibility matching, and category filters to make it easier to browse. We don't charge volunteers or collect payment information.

How does GuineaPig estimate compensation?

Pay ranges are rough estimates based on the study's phase, duration, and typical industry rates. Phase 1 inpatient studies tend to pay the most because they require overnight stays. These are not confirmed by sponsors — always contact the study team directly for the actual compensation.

How often is trial data updated?

Trial listings are pulled from ClinicalTrials.gov in real time. New studies appear as soon as sponsors register them with the NIH. Study status, enrollment counts, and location data are updated whenever sponsors submit changes to the registry.

Does GuineaPig screen me or sign me up?

No. GuineaPig is a search tool only. When you find a trial you're interested in, click 'View on ClinicalTrials.gov' to get the study team's contact information. You'll go through the sponsor's own screening and enrollment process.

Clinical Trials inHouston, TX

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Top Trials Near Houston

Gamma Oscillations as a Prognostic Marker for Ketamine Therapy in Treatment Resistant Depression

B-Complex: A Nutraceutical SANS Countermeasure

A Phase I-II Study Investigating the All-Oral Combination of the Menin Inhibitor SNDX-5613 With Decitabine/Cedazuridine (ASTX727) and Venetoclax in Acute Myeloid Leukemia (SAVE)

Discovery and Analytical Validation of Inflammatory Bio-signatures of the Human Pain Experience

Thymalfasin (Thymosin Alpha 1; Ta1) as an Enhancer of Vaccine Response Among Older Adults Receiving Booster Doses of COVID-19 Vaccine

Protocol Title: Safety and Feasibility of Autologous CD34+ Hematopoietic Stem Cells Mobilization and Apheresis in Participants With RUNX1 Familial Platelet Disorder

An Investigational Scan (hpMRI) for Monitoring Treatment Response in Patients With Thyroid Cancer and Other Malignancies of the Head and Neck Undergoing Radiation Therapy and/or Systemic Therapy

Combination Probiotic: BB-12 With LGG (Different Doses) in Treating Children With Autism Spectrum Disorder

Identifying Correlates of Brain Microglial Activation in Neuropsychiatric Syndromes: a Dimensional Approach

An Advanced Decision Support Tool for Personalized Medicine for IVF Using Modeling and Optimization for Provera

Combination of Intranasal Scopolamine and Sensory Augmentation to Mitigate G-transition Induced Motion Sickness and Enhance Sensorimotor Performance

Dronabinol as an Adjunct for Reducing Pain

Impact of Project ECHO on Improving the Quality of Palliative Care in Patients With Advanced Cancer and Their Caregivers in Underserved Areas of Kenya, Nigeria, Ghana, South Africa, India, and Ethiopia

A Phase 2 Study Evaluating Olutasidenib in Patients With IDH1-mutated Clonal Cytopenia of Undetermined Significance and Lower-risk Myelodysplastic/Syndromes/Chronic Myelomonocytic Leukemia.

Venetoclax to Improve Outcomes of Fractionated Busulfan Regimen in Patients With High-Risk AML and MDS

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