Clinical Trials

Remdesivir (GS-5734) has been evaluated across numerous clinical trials ranging from Phase 1 through Phase 4, primarily targeting COVID-19, SARS-CoV-2 pneumonia, post-acute sequelae of COVID-19, and respiratory syncytial virus infection. Supported by government, academic, and industry entities—including the National Institute of Allergy and Infectious Diseases, the University of Melbourne, Gilead Sciences, and Hoffmann-La Roche—these studies encompass recruitment statuses from actively recruiting to completed and approved for marketing. Prominent multi-center research has further established the drug's safety, antiviral efficacy, and combination regimens in hospitalized patients with severe coronavirus infections.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06551844 RECRUITING
Dengue; Antiviral Drugs
Oxford University Clinical Research Unit, Vietnam
2026-04-20 PHASE2
NCT04488081 ACTIVE_NOT_RECRUITING
COVID-19
QuantumLeap Healthcare Collaborative
2020-07-31 PHASE2
NCT06817889 RECRUITING
Hematopoietic and Lymphatic System Neoplasm; Autoimmune Disease; Respiratory Syncytial Virus Infection
Fred Hutchinson Cancer Center
2025-12-23 PHASE2
NCT07013474 RECRUITING
COVID-19 Infection
Pfizer
2025-07-14 PHASE3
NCT04746183 RECRUITING
Covid19
University of Liverpool
2020-07-03 PHASE1; PHASE2
NCT05041907 RECRUITING
COVID-19
University of Oxford
2021-09-30 PHASE2
NCT07197164 RECRUITING
COVID - 19; Renal Transplant; SARS CoV 2 Infection
Fundación FLS de Lucha Contra el Sida, las Enfermedades Infecciosas y la Promoción de la Salud y la Ciencia
2025-09-01 PHASE2
NCT06610643 NOT_YET_RECRUITING
COVID-19; SARS-CoV-2; Immunocompromised
National Taiwan University Hospital
2024-09-21
NCT06873633 RECRUITING
Respiratory Syncytial Virus (RSV)
PENTA Foundation
2025-07-16 PHASE2
NCT07510529 NOT_YET_RECRUITING
Healthy Participants
Simcere Pharmaceutical Co., Ltd
2026-04-20 PHASE1
NCT02735707 RECRUITING
Community-acquired Pneumonia, Influenza, COVID-19
UMC Utrecht
2016-04-11 PHASE3
NCT06792214 RECRUITING
SARS CoV-2 Post-Acute Sequelae
Mount Sinai Hospital, Canada
2025-01-03 PHASE4
NCT05911906 COMPLETED
SARS-CoV-2 Infection; COVID-19
University of Derby
2024-10-08 PHASE4
NCT04483960 UNKNOWN
SARS-CoV-2 Infection (COVID-19)
University of Melbourne
2020-07-28 PHASE3
NCT05925140 UNKNOWN
COVID-19; Hospitalized COVID-19 Patients
Lebanese University
2020-03-28 PHASE1
NCT05882331 COMPLETED
COVID-19
Del-Pest Central Hospital - National Institute of Hematology and Infectious Diseases
2021-01-01
NCT04321993 UNKNOWN
COVID-19
Lisa Barrett
2020-04-17 PHASE2
NCT06860282 COMPLETED
COVID-19; Coronavirus Pneumonia
Heronova Pharmaceuticals
2022-12-26 PHASE1
NCT04784559 TERMINATED
COVID-19 Infection
PharmaMar
2021-06-04 PHASE3
NCT04978259 UNKNOWN
Covid19
Clinical Urology and Epidemiology Working Group
2021-07-24 PHASE4
NCT04431453 COMPLETED
COVID-19
Gilead Sciences
2020-07-21 PHASE2; PHASE3
NCT05502081 COMPLETED
COVID-19
Mansoura University Hospital
2022-09-02 PHASE4
NCT05226533 TERMINATED
COVID-19
Daewoong Pharmaceutical Co. LTD.
2022-03-31 PHASE2
NCT06729593 COMPLETED
Covid19
National Institute of Allergy and Infectious Diseases (NIAID)
2021-04-20 PHASE3
NCT04843761 COMPLETED
Covid19
National Institute of Allergy and Infectious Diseases (NIAID)
2021-04-20 PHASE3
NCT04865237 COMPLETED
Covid19; SARS-CoV Infection; Corona Virus Infection; Coronavirus; COVID-19
Imperial College London
2021-03-06
NCT04315948 COMPLETED
Corona Virus Infection
Institut National de la Santé Et de la Recherche Médicale, France
2020-03-22 PHASE3
NCT04713176 TERMINATED
Severe COVID-19
Daewoong Pharmaceutical Co. LTD.
2021-02-02 PHASE3
NCT04988035 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2021-08-03 PHASE2
NCT04583969 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2020-10-23 PHASE2
NCT04745351 TERMINATED
COVID-19
Gilead Sciences
2021-03-31 PHASE3
NCT05780541 TERMINATED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2021-09-15 PHASE3
NCT04501978 COMPLETED
Covid19
National Institute of Allergy and Infectious Diseases (NIAID)
2020-08-04 PHASE3
NCT04832880 UNKNOWN
Covid19
ASST Fatebenefratelli Sacco
2021-04-06 PHASE3
NCT04575064 WITHDRAWN
SARS-CoV-2 Infection; COVID-19; Moderate and Severe COVID-19
Professor Dr. Bernd Mühlbauer
2020-06-29 PHASE2; PHASE3
NCT05780463 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2021-06-11 PHASE3
NCT04391309 TERMINATED
Coronavirus Disease 2019 (COVID-19); Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)
National Institute of Allergy and Infectious Diseases (NIAID)
2021-04-12 PHASE2
NCT04593940 COMPLETED
Covid19
Daniel Benjamin
2020-10-15 PHASE3
NCT05780437 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2021-02-10 PHASE3
NCT04944082 UNKNOWN
Covid19
Assiut University
2021-07-01 PHASE4
NCT05185284 COMPLETED
COVID-19
Promomed, LLC
2021-08-11 PHASE3
NCT04351724 UNKNOWN
COVID-19
Medical University of Vienna
2020-04-16 PHASE2; PHASE3
NCT04970719 WITHDRAWN
COVID-19 Pneumonia
Bangladesh Institute of Research and Rehabilitation in Diabetes, Endocrine and Metabolic Disorders
2021-07-10 PHASE3
NCT04647669 UNKNOWN
Covid19
The University of The West Indies
2021-06-01 PHASE3
NCT04610541 UNKNOWN
SARS-CoV-2 Infection
University of Pecs
2020-10-12 PHASE3
NCT04583956 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2020-10-23 PHASE2
NCT04647695 UNKNOWN
Covid19
The University of Hong Kong
2020-11-20 PHASE2
NCT04385719 COMPLETED
Ebola; HIV/AIDS
Makerere University
2021-05-05 PHASE2
NCT05780281 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2020-12-16 PHASE3
NCT05780424 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2020-12-16 PHASE3
NCT04546581 COMPLETED
COVID; COVID-19; SARS-CoV-2; SARS (Severe Acute Respiratory Syndrome)
University of Minnesota
2020-10-08 PHASE3
NCT04640168 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2020-12-02 PHASE3
NCT04501952 TERMINATED
COVID-19
Gilead Sciences
2020-09-18 PHASE3
NCT04596839 COMPLETED
Covid19
Dr. Md. Alimur Reza
2020-09-04 PHASE2
NCT05024006 COMPLETED
Covid19
University of the Philippines
2020-04-23
NCT04694612 UNKNOWN
Covid19
Nepal Health Research Council
2021-01-01 PHASE3
NCT04738045 UNKNOWN
Covid19
Ahmed Essam
2020-11-01 PHASE4
NCT04779047 UNKNOWN
Covid19; Pneumonia
October 6 University
2020-10-01 PHASE4
NCT04539262 COMPLETED
COVID-19
Gilead Sciences
2020-09-14 PHASE1; PHASE2
NCT04693026 UNKNOWN
Covid19; Covid-19 ARDS
M Abdur Rahim Medical College and Hospital
2020-09-10 PHASE3
NCT04409262 COMPLETED
COVID-19 Pneumonia
Hoffmann-La Roche
2020-06-16 PHASE3
NCT05780268 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2020-08-05 PHASE3
NCT04678739 COMPLETED
Covid19; Covid-19 ARDS
M Abdur Rahim Medical College and Hospital
2020-08-15 PHASE3
NCT04853901 COMPLETED
Covid19
Ain Shams University
2020-07-27 PHASE3
NCT04480333 UNKNOWN
Covid19; Corona Virus Infection; Severe Acute Respiratory Syndrome; Severe Acute Respiratory Infection; Severe Acute Respiratory Syndrome (SARS) Pneumonia; Severe Acute Respiratory Syndrome of Upper Respiratory Tract; Neurodegeneration; Neuroinflammatory Response
Biomed Industries, Inc.
2020-09-15 PHASE1
NCT04492475 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2020-08-05 PHASE3
NCT04345419 COMPLETED
COVID
Tanta University
2020-06-16 PHASE2; PHASE3
NCT04410354 TERMINATED
COVID-19
ViralClear Pharmaceuticals, Inc.
2020-06-16 PHASE2
NCT04560231 UNKNOWN
SARS-CoV Infection
Lahore General Hospital
2020-06-01 EARLY_PHASE1
NCT04871633 COMPLETED
COVID-19
King Edward Medical University
2020-08-01
NCT04349410 COMPLETED
CoVid 19 Positive
The Camelot Foundation
2020-04-11 PHASE2; PHASE3
NCT02818582 COMPLETED
Ebola
National Institute of Allergy and Infectious Diseases (NIAID)
2016-07-01 PHASE2
NCT04321616 UNKNOWN
SARS-CoV Infection; COVID 19; Acute Respiratory Distress Syndrome ARDS
Oslo University Hospital
2020-03-28 PHASE2; PHASE3
NCT04401579 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2020-05-08 PHASE3
NCT04492501 COMPLETED
Covid19; Cytokine Release Syndrome; Critical Illness; ARDS
UNICEF
2020-04-01
NCT04280705 COMPLETED
COVID-19
National Institute of Allergy and Infectious Diseases (NIAID)
2020-02-21 PHASE3
NCT04292730 COMPLETED
COVID-19
Gilead Sciences
2020-03-15 PHASE3
NCT04252664 SUSPENDED
COVID-19; SARS-CoV-2
Capital Medical University
2020-02-12 PHASE3
NCT04292899 COMPLETED
COVID-19
Gilead Sciences
2020-03-06 PHASE3
NCT04257656 TERMINATED
COVID-19; Remdesivir; SARS-CoV-2
Capital Medical University
2020-02-06 PHASE3
NCT03719586 COMPLETED
Ebola Virus
National Institute of Allergy and Infectious Diseases (NIAID)
2018-11-21 PHASE2; PHASE3

(data from https://clinicaltrials.gov, updated on 2026-04-30)

Check the GS-5734 (Remdesivir) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

As a monophosphoramidate prodrug of an adenosine analog, GS-5734 (Remdesivir) is metabolized into its active triphosphate form, which selectively incorporates into nascent viral RNA via viral RNA-dependent RNA polymerase to induce delayed chain termination and block viral RNA synthesis. By halting intracellular viral replication, this drug reduces viral burden to mitigate acute tissue injury in clinical conditions such as COVID-19 pneumonia and SARS-CoV-2 infection.

Appendix RUO and cGMP Quality Standards

Quality Dimension RUO (Research Use Only) cGMP (Current Good Manufacturing Practice)
Clinical Applicability Prohibited in human clinical trials or medical diagnostics. Mandatory for human clinical trials (Phase I–III) and therapies.
Regulatory Status Non-regulated grade; exempt from drug manufacturing laws. Legally enforced by health authorities (e.g., FDA, EMA, NMPA).
Facility Environment Unclassified analytical or research laboratories. Validated Cleanrooms (ISO Class 5–8) with continuous monitoring.
Quality Control Basic purity and activity testing. Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma).
Process Validation Basic equipment calibration; no process validation required. Full qualification (IQ/OQ/PQ) and complete batch records.
Quality Assurance Vendor self-declared without required formal QMS. Mandatory QA/QC unit, Change Control, CAPA, and vendor audits.
Regulatory Impact High risk of IND rejection if used as a critical raw material. Required for IND/NDA filings, supported by Drug Master Files (DMF).

Footnotes

Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).

Note: Technical data last updated: Sep 1, 2026.