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Post-COVID Conditions (Long COVID) clinical trials in San Francisco, CA

8 studies for Post-COVID Conditions (Long COVID) are looking for participants at sites in and around San Francisco (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 →

A Clinical Study of Molnupiravir to Prevent Severe Illness From Coronavirus Disease 2019 (COVID-19) in People Who Are High Risk (MK-4482-023)

RecruitingPhase 3
  • Optimus Medical ( Site 3817), San Francisco
Ages 18 and older · All sexes · Updated Oct 5, 2026 · NCT06667700

Randomized Double-Blind Placebo-Controlled Trial EValuating Baricitinib on PERSistent NEurologic and Cardiopulmonary Symptoms of Long COVID

RecruitingPhase 3
  • University of California San Francisco, San Francisco
Ages 18 and older · All sexes · Updated Sep 25, 2026 · NCT06631287

Validation of Biomarkers for Long COVID in the LIINC Viral Immunopathogenesis and Persistence Repeat Donor Cohort (VIPER)

RecruitingObservational studyHealthy volunteers welcome
  • Zuckerberg San Francisco General Hospital, San Francisco
Ages 18 and older · All sexes · Updated Aug 18, 2026 · NCT07770022

A Phase 1/2A, Randomized Study of a T Follicular Helper (TFH)-Targeting Genetic Vaccine Strategy Designed to Induce Broad, Durable Immune Responses

RecruitingPhase 1/2Healthy volunteers welcome
  • UCSF Community and Clinical Research Center, San Francisco
Ages 40 to 64 · All sexes · Updated Aug 18, 2026 · NCT06810934

Long-term Impact of Infection With Novel Coronavirus (COVID-19)

RecruitingObservational study
  • Zuckerberg San Francisco General Hospital (ZSFG), San Francisco
Ages 18 to 100 · All sexes · Updated Jul 23, 2026 · NCT04362150

Multiparametric [18F]F-AraG Imaging in Post-Acute Sequelae of COVID-19 (PASC)

RecruitingEarly phase 1Healthy volunteers welcome
  • University of California San Francisco, San Francisco
Ages 18 and older · All sexes · Updated May 22, 2026 · NCT07076862

A Study to Assess Anktiva in Patients With Long Covid-19.

RecruitingPhase 2
  • University of California - San Francisco, San Francisco
Ages 18 to 70 · All sexes · Updated May 11, 2026 · NCT07108036

Imaging Immune Activation in COVID-19

RecruitingPhase 2
  • University of California, San Francisco, San Francisco
Ages 18 and older · All sexes · Updated May 8, 2026 · NCT04815096

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

Other studies in San Francisco

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