Phase 4 Virus Clinical Trials
28 recruitingPhase 4
What is a Phase 4 trial?
Phase 4 trials, also called post-marketing studies, are conducted after a treatment has been approved and is available to the public. They monitor long-term effectiveness and safety in a broader population.
Showing 1–20 of 28 trials
Recruiting
Phase 4
Using Multiphase Optimization Strategy (MOST) to Optimize a Cost-effective, Sustainable and Scalable Smoking Cessation Package for Smokers in HIV Clinical Care
Smoking CessationHuman Immunodeficiency Virus (HIV)
New York University500 enrolled1 locationNCT06598397
Recruiting
Phase 4
Low Dose Naltrexone for Pain in Patients With HIV
Human Immunodeficiency VirusChronic Neuropathic Pain
Emory University60 enrolled3 locationsNCT05537935
Recruiting
Phase 4
A Study to Assess the Reduction of Human Papillomavirus (HPV) Viral Infectivity and Transmission in HPV-Positive Women After Vaccination With 9vHPV (RIFT-HPV)
Cervical Intraepithelial Neoplasia Grade I/ II/ III (CIN I/II/III)Human Papillomavirus (HPV) InfectionsHigh-risk HPV+1 more
Miquel Angel Pavon Ribas69 enrolled1 locationNCT05334706
Recruiting
Phase 4
A Study of Reduced Dosing of the Nonavalent HPV Vaccine in Women Living With HIV
Human Papilloma VirusHPVHuman Immunodeficiency Virus
University of British Columbia275 enrolled10 locationsNCT05495906
Recruiting
Phase 4
REVIVE (Response to the Ebola Virus Vaccine)
Ebola Virus Disease
Tulane University40 enrolled1 locationNCT05992480
Recruiting
Phase 4
Strategic Help With Immunoglobulin to Enhance Protect Against Late Disease (CMV)
Kidney Transplant; ComplicationsCytomegalovirusOrgan Transplant
Camille N. Kotton, MD80 enrolled2 locationsNCT06958796
Recruiting
Phase 4
Zopa Retreatment and Vector Shedding in Adults With RRP
Recurrent Respiratory PapillomatosisPapillomavirus InfectionPapillomaviridae
Precigen, Inc30 enrolled3 locationsNCT06538480
Recruiting
Phase 4
Combined Light, ExVivo, and Antivirals for Recipients of Lungs From HBV Donors
Hepatitis B Virus (HBV)Lung Transplant Recipient
University Health Network, Toronto20 enrolled1 locationNCT07189377
Recruiting
Phase 4
Comparing Immune Response of 2 vs 3 HPV Doses (27-45 Years Old)
Human PapillomavirusHPV InfectionImmunization
The University of Texas Medical Branch, Galveston618 enrolled1 locationNCT05672927
Recruiting
Phase 4
Antibiotic Therapy in Viral Airway Infections
Respiratory Tract InfectionsRespiratory Syncytial Virus (RSV)Influenza+1 more
University Hospital, Akershus380 enrolled12 locationsNCT05045612
Recruiting
Phase 4
Real-world Effectiveness, Safety and Immunogenicity of Chikungunya Vaccination in Populations at Risk of Severe or Complicated Forms: Prospective Study in La Réunion
Chikungunya Virus Infection
Centre Hospitalier Universitaire de la Réunion1,800 enrolled1 locationNCT06928753
Recruiting
Phase 4
Immunogenicity of Gardasil-9 HPV Vaccine in People Living With HIV
Papillomavirus InfectionHuman Immunodeficiency VirusCervical Intraepithelial Neoplasia+4 more
Louisiana State University Health Sciences Center in New Orleans250 enrolled1 locationNCT05266898
Recruiting
Phase 4
Letermovir for Secondary Prophylaxis in Solid Organ Transplant Recipients
NeutropeniaCytomegalovirus InfectionsInfection in Solid Organ Transplant Recipients+1 more
Tufts Medical Center25 enrolled1 locationNCT05626530
Recruiting
Phase 4
Study of 2LPAPI® on the Clearance of Genital HR-HPV Infections.
Human Papilloma Virus
Labo'Life284 enrolled12 locationsNCT04232917
Recruiting
Phase 4
Evaluation of the Efficacy of a Treatment by One Single Dose of Rituximab (375mg/m2 ) in the Prevention of the Epstein Barr Virus (EBV) Primary Infection and Post-transplant Lymphoproliferative Disorder in Adult EBV Seronegative Patients Who Received an EBV Seropositive Kidney Allograft
Epstein-Barr Virus Infections
University Hospital, Strasbourg, France120 enrolled1 locationNCT04989491
Recruiting
Phase 4
The Effects of Sirolimus in Patients With Dilated Cardiomyopathy Infected With Kaposi Sarcoma-associated Virus
Dilated CardiomyopathyKaposi's Sarcoma-Associated Herpesvirus Infection
Tongji Hospital276 enrolled1 locationNCT06236022
Terminated
Phase 4
Effect of an Olive Leaf Extract compared to a placebo on Cold and Flu Symptoms in an Adult Population – A double blind, randomised controlled trial
Influenza virus infection
Pharmactive200 enrolled1 locationACTRN12619001722189
Recruiting
Phase 4
Cytomegalovirus-specific immune monitoring to guide pre-emptive therapy surveillance protocol for prevention of cytomegalovirus infection after renal transplantation.
Cytomegalovirus infection after renal transplantation
associate Prof. Tomas Reischig, M.D., Ph.D.150 enrolled1 locationACTRN12618000913279
Completed
Phase 3Phase 4
Fixed twelve weeks duration versus response tailored course of dual Sofosbuvir/Daclatasvir therapy in Egyptian adult and adolescent patients with chronic hepatitis C infection (HCV).
chronic virus hepatitis C infection
Green CRC130 enrolled1 locationACTRN12617000263392
Active
Phase 4
A randomized controlled trial to study whether telbivudine can prevent virus reactivation and improve the prognosis after liver resection in patients with hepatitis B virus-related hepatocellular carcinoma
hepatitis B virus-related hepatocellulcar carcinoma
ZHOU Wei-ping200 enrolled1 locationACTRN12614001224617