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Home › Conditions › Covid19

Covid19

Part of SARS-CoV-2 infection

1 published article · Updated continuously

Clinical Trial Landscape

Clinical Trials for Covid19

162 trials tracked for Covid19: 40 in phase 3 or 4 and 24 with published results. The most-cited published study has 5519 citations.

162Trials tracked
40Phase 3 & 4
0Recruiting
24With published results
Phase distribution
Phase 4 8 Phase 3 32 Phase 2 37 Phase 1 12 Other / NA 73
  1. Phase 3 Aggrenox To Treat Acute Covid-19 Completed · 5,519 cited
  2. Phase 3 VIR-7831 for the Early Treatment of COVID-19 in Outpatients Completed · 1,083 cited
  3. Phase 3 COVID-OUT: Early Outpatient Treatment for SARS-CoV-2 Infection (COVID-19) Completed · 245 cited
  4. Phase 3 Convalescent Plasma in Outpatients With COVID-19 Completed · 210 cited
  5. Phase 3 A Phase 2b/3, Randomized, Observer-Blinded, Placebo-Controlled, Multicenter Clinical Study Evaluating the Efficacy and Safety of Investigational SARS-CoV-2 mRNA Vaccine CVnCoV in Adults 18 Years of Age and Older Completed · 173 cited
  6. Phase 3 Clinical Trial of Ivermectin Plus Doxycycline for the Treatment of Confirmed Covid-19 Infection Completed · 110 cited
Show 44 more trials
  1. Phase 3 ACTIV-3b: Therapeutics for Severely Ill Inpatients With COVID-19 Completed · 109 cited
  2. Phase 3 Immune Modulators for Treating COVID-19 Completed · 67 cited
  3. Phase 3 ACTIV-2: A Study for Outpatients With COVID-19 Completed · 49 cited
  4. Phase 4 Comparing the Effects of Different Doses of Dexamethasone to Treat Inpatient COVID-19 Completed · 43 cited
  5. Phase 4 COVID-19 Vaccination of Immunodeficient Persons (COVAXID) Completed · 42 cited
  6. Phase 3 The Prevent Severe COVID-19 (PRESECO) Study Completed · 41 cited
  7. Phase 3 COVID-19 Thrombosis Prevention Trials: Post-hospital Thromboprophylaxis Completed · 36 cited
  8. Phase 3 Fluvoxamine for Early Treatment of Covid-19 (Stop Covid 2) Completed · 20 cited
  9. Phase 4 Accelerating COVID-19 Therapeutic Interventions and Vaccines 4 ACUTE Completed · 16 cited
  10. Phase 3 Assessing Safety, Hospitalization and Efficacy of rNAPc2 in COVID-19 Completed · 12 cited
  11. Phase 3 Randomized Open Investigation Determining Steroid Dose Completed · 8 cited
  12. Phase 3 Using BCG to Protect Senior Citizens During the COVID-19 Pandemic Completed · 7 cited
  13. Phase 3 ACTIV-6: COVID-19 Study of Repurposed Medications Completed · 5 cited
  14. Phase 4 Project 2VIDA! COVID-19 Vaccine Intervention Delivery for Adults in Southern California Completed · 4 cited
  15. Phase 4 Clinical Trial of Niagen to Examine Recovery in People With Persistent Cognitive and Physical Symptoms After COVID-19 Completed · 3 cited
  16. Phase 3 Contrast Enhanced Ultrasound in COVID-19 Completed · 3 cited
  17. Phase 4 SARS-CoV-2 Immune Responses After COVID-19 Therapy and Subsequent Vaccine Completed
  18. Phase 3 A Study to Evaluate the Safety and Immunogenicity of Vaccine CVnCoV in Healthy Adults in Germany for COVID-19 Completed
  19. Phase 4 Vaccination for Recovered Inpatients With COVID-19 (VATICO) Completed
  20. Phase 4 Evaluation of Aerosol in a Dental Clinic Completed
  21. Phase 3 Clearing the Fog: Is Hydroxychloroquine Effective in Reducing COVID-19 Progression Completed
  22. Phase 3 Proxalutamide Treatment for Hospitalized COVID-19 Patients Completed
  23. Phase 3 Evaluation of Prognostic Modification in COVID-19 Patients in Early Intervention Treatment Completed
  24. Phase 3 ACTIV-6: COVID-19 Study of Repurposed Medications - Arm A (Ivermectin 400) Completed
  25. Phase 3 ACTIV-6: COVID-19 Study of Repurposed Medications - Arm C (Fluticasone) Completed
  26. Phase 3 ACTIV-6: COVID-19 Study of Repurposed Medications - Arm B (Fluvoxamine) Completed
  27. Phase 3 STOP-COVID19: Superiority Trial Of Protease Inhibition in COVID-19 Completed
  28. Phase 3 ACTIV-6: COVID-19 Study of Repurposed Medications - Arm D (Ivermectin 600) Completed
  29. Phase 3 ACTIV-6: COVID-19 Study of Repurposed Medications - Arm E (Fluvoxamine 100) Completed
  30. Phase 3 ACTIV-6: COVID-19 Study of Repurposed Medications - Arm F (Montelukast) Completed
  31. Phase 3 ACTIV-6: COVID-19 Study of Repurposed Medications - Arm G (Metformin) Completed
  32. Phase 3 Aviptadil for Severely Ill Inpatients With COVID-19 (An ACTIV-3b/TESICO Treatment Trial) Completed
  33. Phase 3 Remdesivir for Severely Ill Inpatients With COVID-19 (An ACTIV-3b/TESICO Treatment Trial) Completed
  34. Phase 3 Convalescent Plasma Collection and Treatment in Pediatrics and Adults Completed
  35. Phase 2 Treatment of Covid-19 With a Herbal Compound, Xagrotin Completed
  36. Phase 2 COVID-19 Anosmia Study Completed
  37. Phase 2 FEnofibRate as a Metabolic INtervention for COVID-19 Completed
  38. Phase 2 Protecting With ARNI Against Cardiac Consequences of Coronavirus Disease 2019 Completed
  39. Phase 2 NeuroCovid Rehab and Recovery Related to COVID-19 Diagnosis Completed
  40. Phase 2 Effect of Dalcetrapib in Patients With Confirmed Mild to Moderate COVID-19 Completed
  41. Phase 2 COVID-19 Outpatient Pragmatic Platform Study (COPPS) - Acebilustat Sub-Protocol Completed
  42. Phase 2 COVID-19 Study of Safety and Tolerability of Alvelestat Completed
  43. Phase 2 Evaluation of Safety and Efficiency of Method of Exosome Inhalation in SARS-CoV-2 Associated Pneumonia. Completed
  44. Phase 2 Evaluating Safety, Pharmacokinetics and Clinical Benefit of Silmitasertib (CX-4945) in Subjects With Moderate COVID-19 Completed

Showing the 50 most-cited and recently-updated of 162 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.
Metformin, fluvoxamine, or ivermectin for non-hospitalized COVID-19 adults in a Phase 3 trial
Infectious Disease Phase III
Metformin, fluvoxamine, or ivermectin for non-hospitalized COVID-19 adults in a Phase 3 trial Metformin Cuts Long Covid Risk by 40%
This randomized controlled trial in 1323 non-hospitalized adults with SARS-CoV-2 infection evaluated metformin, fluvoxamine, or ivermectin v…
A common diabetes pill taken early in Covid infection cuts the odds of developing long-term symptoms by 40%, offering new hope for millions.
CT.gov Apr 24, 2026