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Post-COVID Conditions (Long COVID) clinical trials in Portland, OR

3 studies for Post-COVID Conditions (Long COVID) are looking for participants at sites in and around Portland (within about 30 miles). Open a study to see who can join and how to contact the study team.

Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →

About Post-COVID Conditions (Long COVID)

Anyone who had COVID-19 can have ongoing symptoms. Learn about post-COVID conditions (long COVID), including symptoms, diagnosis, treatments, and prevention.

More about Post-COVID Conditions (Long COVID) on MedlinePlus

Post-COVID Conditions (Long COVID) trials in other cities

• New York City, NY15 studies
• Houston, TX13 studies
• Boston, MA13 studies
• Baltimore, MD12 studies
• Chicago, IL11 studies
• Washington, DC10 studies
• San Francisco, CA8 studies
• Durham, NC8 studies
• Atlanta, GA8 studies
• San Diego, CA7 studies
• Los Angeles, CA6 studies
• Pittsburgh, PA6 studies

Other studies in Portland

• Non-Small Cell Lung Cancer46 studies
• Cancer (all types)34 studies
• Breast Cancer33 studies
• Prostate Cancer33 studies
• Metastatic Cancer29 studies
• Colorectal Cancer28 studies
• Ovarian Cancer27 studies
• Lung Cancer26 studies
• Acute Myeloid Leukemia25 studies
• Endometrial Cancer24 studies
• Head and Neck Squamous Cell Carcinoma19 studies
• Pancreatic Cancer19 studies

From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.