About Pricing FAQs Providers Trials Blog

Login Get started

Finding studies

Your health journey, clearly organized.

Questions? [email protected]

Product

How it works
Pricing
For Providers
Trials

Company

About
Blog
FAQ

Legal

Privacy Policy
Terms of Service

© 2026 Clareo Health. All rights reserved.

Clareo Health | COVID-19 Clinical Trials in Houston | 163 Studies

Clinical Trials COVID-19Houston

COVID-19 Clinical Trials in Houston

Find 163 clinical trials for covid-19 near Houston, Texas. Connect with research centers in your area.

All COVID-19 trials nationwide All trials in Houston

Order

Status

RecruitingNot yet recruitingActive, not recruitingEnrolling by invitationCompletedTerminated

Phase

Early phase 1Phase 1Phase 1–2Phase 2Phase 2–3Phase 3Phase 4No phase

Who can join

Healthy volunteers too

Showing 141-160 of 163 trials

CompletedA Study to Learn About Two or More Vaccines That Are Put Together as One Shot Against Infectious Lung Illnesses, Including COVID-19 and Respiratory Syncytial Virus (RSV).The purpose of the study is to learn about the safety and effects of a combined vaccine for RSV and COVID-19 when given with a seasonal flu vaccine or when given alone.NCT05886777·Dublin, California and 36 others

COVID-19 Trials in Other Cities

New York Los Angeles Chicago Phoenix Philadelphia San Antonio

Data from ClinicalTrials.govTerms

CompletedUnderstanding the Long-term Impact of COVID-19 in Adults (RECOVER)This is a combined retrospective and prospective, longitudinal, observational meta-cohort of individuals who will enter the cohort with and without SARS-CoV-2 infection and at…NCT05172024·Birmingham, Alabama and 85 others

UnknownTolerability and Efficacy of RJX in Patients With COVID-19This study is designed as a 2-part, 2-cohort, double-blind, randomized, placebo controlled, multicenter Phase 1/2 study to evaluate the safety, tolerability and efficacy of RJX in…NCT04708340·Houston, Texas and 2 others

CompletedParent Study: Study Understanding Pre-Exposure pRophylaxis of NOvel Anitbodies (SUPERNOVA) Sub-study: Study Understanding Pre-Exposure pRophylaxis of NOvel Anitbodies (SUPERNOVA Sub-study)AZD3152, a single mAb, is being developed to have broad neutralizing activity across known SARS-CoV-2 variants of concern for pre-exposure prophylaxis of COVID-19.NCT05648110·Birmingham, Alabama and 214 others

TerminatedEfficacy and Safety Study of IV Ravulizumab in Patients With COVID-19 Severe PneumoniaThis study evaluated the efficacy, safety, pharmacokinetics, and pharmacodynamics of ravulizumab administered in adult participants with coronavirus disease 2019 (COVID-19) severe…NCT04369469·Little Rock, Arkansas and 38 others

CompletedA Study to Evaluate the Safety, Reactogenicity, and Effectiveness of mRNA-1273 Vaccine in Adolescents 12 to <18 Years Old to Prevent COVID-19The mRNA-1273 vaccine is being developed to prevent COVID-19, the disease resulting from Severe Acute Respiratory Syndrome coronavirus (SARS-CoV-2) infection.NCT04649151·Banning, California and 52 others

TerminatedCOVID-19 Study to Evaluate Safety, Tolerability, and Efficacy of REGN14256+Imdevimab for the Treatment of COVID-19 Adult and Adolescent Patients Without Risk Factors for Progression to Severe DiseasePrimary Objectives Phase 1 (Safety and Tolerability) • Evaluate the safety and tolerability of REGN14256+imdevimab and REGN14256 monotherapy, as measured by treatment-emergent…NCT05081388·La Mesa, California and 27 others

TerminatedAnti-SARS Cov-2 T Cell Infusions for COVID 19This is a dose-finding safety trial followed by a randomized pilot trial comparing administration of SARS-CoV2-specific T cells (SARS-CoVSTs) to standard of care treatment in…NCT04401410·Houston, Texas

CompletedA Study to Learn About a Combined COVID-19 and Influenza Shot in Healthy AdultsThe purpose of this clinical trial is to see if combining a licensed COVID-19 vaccine and a licensed influenza vaccine into a single shot is safe and can help produce antibodies…NCT06237049·Lake Forest, California and 29 others

CompletedA Study to Evaluate Safety, Tolerability, & Immunogenicity of Multiple Formulations of BNT162b2 Against COVID-19 in Healthy AdultsThis study will compare the safety and tolerability of lyophilized BNT162b2 presented in single dose vials to those of frozen-liquid BNT162b2 in multidose vials and determine…NCT04816669·Anaheim, California and 20 others

CompletedA Study to Learn About New COVD-19 RNA Vaccine Candidates for New Variants in Healthy IndividualsThe purpose of this clinical protocol is to learn about the safety, tolerability, and immunogenicity of new BNT162b2 RNA-based vaccine candidates targeting new variants of…NCT05997290·Athens, Alabama and 36 others

CompletedRECOVER-AUTONOMIC Platform ProtocolThis study is a platform protocol designed to be flexible so that it is suitable for a wide range of settings within health care systems and in community settings where it can be…NCT06305780·Opelika, Alabama and 49 others

TerminatedA Study to Evaluate OP-101 (Dendrimer N-acetyl-cysteine) in Severe Coronavirus Disease 2019 (COVID-19) PatientsThe primary purpose of Stage-I of this study is to evaluate the safety and tolerability of OP-101 in patients with severe COVID-19 and of Stage 2 of this study is to evaluate the…NCT04458298·Loma Linda, California and 7 others

CompletedA Study to Evaluate the Immunogenicity and Safety of mRNA Vaccine Boosters for SARS-CoV-2 (COVID-19) VariantsThis is a study to evaluate the immunogenicity, safety, and reactogenicity of mRNA-1273.211, mRNA-1273, mRNA-1273.617.2, mRNA-1273.213, mRNA-1273.529, mRNA-1273.214…NCT04927065·Sacramento, California and 22 others

Active not recruitingUnderstanding the Long-term Impact of COVID on Children and FamiliesThis is a combined retrospective and prospective, longitudinal, observational meta-cohort of individuals age 0-25 years who will enter the cohort with and without SARS-CoV-2…NCT05172011·Birmingham, Alabama and 64 others

CompletedCOVID-19 Variant Immunologic Landscape Trial (COVAIL Trial)This phase 2 clinical trial will evaluate the safety and immunogenicity of additional doses of prototype and variant (alone or in combination) vaccine candidates in previously…NCT05289037·Birmingham, Alabama and 21 others

CompletedSafety, Tolerability, and Efficacy of Anti-Spike (S) SARS-CoV-2 Monoclonal Antibodies for Hospitalized Adult Patients With COVID-19The primary objectives are: Pooled Phase 3 (Cohort 1) and Phase 2 (Cohort 1A) * To evaluate the virologic efficacy of REGN10933+REGN10987 compared to placebo in reducing viral…NCT04426695·Birmingham, Alabama and 122 others

CompletedStudy of Mavrilimumab (KPL-301) in Participants Hospitalized With Severe Corona Virus Disease 2019 (COVID-19) Pneumonia and Hyper-inflammationInterventional, randomized, double-blind, placebo-controlled study encompassing 2 development phases (Phase 2 and Phase 3).NCT04447469·Los Angeles, California and 31 others

CompletedA Study to Learn About a COVID-19 Vaccine in Healthy Adults 50 Through 64 Years of AgeThis study is designed to find out how well the COVID-19 vaccine protects people 50 to 64, who don't have any serious health problems, compared to a group that receives a vaccine…NCT07300839·Anniston, Alabama and 195 others

CompletedConvalescent Plasma to Stem Coronavirus (CSSC-001)Evaluate the efficacy of treatment with high-titer Anti- SARS-CoV-2 plasma versus control (SARS-CoV-2 non-immune plasma) in subjects exposed to Coronavirus disease (COVID-19) at…NCT04323800·Birmingham, Alabama and 24 others

PreviousPage 8 of 9Next

Other Conditions in Houston

Breast Cancer Lung Cancer Prostate Cancer Colorectal Cancer Melanoma Leukemia