Is GuineaPig free to use?

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 inPhiladelphia, PA

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Where Studies Run in Philadelphia

Top Trials Near Philadelphia

Implementation of eHealth Delivery Alternatives for Cancer Genetic Testing for Hereditary Cancer (eREACH3)

InSpace Accelerated Rehabilitation Study

eHealth Delivery Alternative for Cancer Genetic Testing for Hereditary Cancer

PET Tau - Neurodegenerative Disease Imaging

Phase I/II Study to Reduce Post-transplantation Cyclophosphamide Dosing for Older or Unfit Patients Undergoing Bone Marrow Transplantation for Hematologic Malignancies

LATe Cerclage in High-risk Pregnancies (LATCH)

Novel Glaucoma Diagnostics

Resting State Changes Following Theta Burst Stimulation

Urinary Titin Biomarker in DMD

Clinical and Genetic Evaluation of Individuals With Undiagnosed Disorders Through the Undiagnosed Diseases Network

An Acceptance-Based Healthy Lifestyle Intervention for Diverse Adolescents

Neurometabolic Profile of Individuals With Primary Mitochondrial Disease

The Effects of an Acute Dose of a Betalain-rich Concentrate on Repeated-sprint Cycling Performance and Recovery.

Driver Education Research Study

Development and Validation of Patient Reported Outcome (PRO) Measures for Individuals With Neurofibromatosis 1 (NF1) and Plexiform Neurofibromas (pNFs)

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