Trials / Conditions / Respiratory Tract Infections

Respiratory Tract Infections

231 registered clinical trials studyying Respiratory Tract Infections — 23 currently recruiting.

Status	Trial	Sponsor	Phase
Not Yet Recruiting	Clinical Efficacy of Stopping Oral Antibiotics When Symptoms Stop, Compared to 'Finishing the Course' NCT07532941	Murdoch Childrens Research Institute	Phase 4
Enrolling By Invitation	Rechallenge With a Low Pathogenicity Avian H10N7 Influenza Virus in Healthy Human Volunteers Previously Challe NCT07215871	National Institute of Allergy and Infectious Diseases (NIAID)	Phase 1
Recruiting	Perspectives on Antibiotics and Tracking Symptoms in Children NCT07093749	Murdoch Childrens Research Institute	N/A
Not Yet Recruiting	The Role of Chest Ultrasound in Patients With Respiratory Tract Infections NCT06694285	Fondazione Policlinico Universitario Agostino Gemelli IRCCS	—
Recruiting	Phase I Study of Single/Multiple Ascending Doses of JKN2501 for Injection in Chinese Healthy Volunteers NCT07207291	Joincare Pharmaceutical Group Industry Co., Ltd	Phase 1
Completed	Xpert® ERP on the GeneXpert® System NCT07489846	Cepheid	—
Recruiting	Intravenous Versus Oral Treatment of the Main Acute Infections NCT06715306	University of Southern Denmark	N/A
Completed	Analysis of Single Respiratory Viral Infections Versus Co-infections: Prevalence and ICU Needs in Hospitalized NCT06779175	Kocaeli University	—
Recruiting	How OMT Benefits Newly Diagnosed Patients With Respiratory Illness When Given Alongside Other Standard Care. NCT06495021	Geisinger Clinic	N/A
Recruiting	PREDICATE Trial For Respiratory Tract Infections NCT06472219	The University of Hong Kong	Phase 3
Recruiting	Fish Oil in pREgnancY for Personalized Prevention of Early Childhood Asthma NCT06560255	Professor Klaus Bønnelykke	Phase 3
Recruiting	VItamin D in pregnanCy for prevenTion Of eaRlY Childhood Asthma NCT06570889	Professor Klaus Bønnelykke	Phase 3
Not Yet Recruiting	Molecular Characterization of Moraxella Catarrhalis From Pneumonic Children at Pediatric Assiut University Hos NCT06357507	Assiut University	—
Recruiting	Outpatient Pediatric Pulse Oximeters in Africa NCT05914324	Johns Hopkins University	N/A
Withdrawn	Assessment of Fit of Novel N95 Style Transparent Face Masks NCT06570161	Brigham and Women's Hospital	N/A
Completed	Safety, Tolerability and Blood Sampling of GSK3923868 Administered Via Dry Powder Inhaler to Healthy Participa NCT06577597	GlaxoSmithKline	Phase 1
Active Not Recruiting	Burden of Recreational Water Illness Due to Exposure to Cyanobacteria and Their Toxins in Freshwater Beaches i NCT06579170	Toronto Metropolitan University	—
Active Not Recruiting	Bern, Get Ready (BEready) Cohort Study for Pandemic Preparedness NCT06739499	University of Bern	—
Recruiting	Beetroot Juice NO Cold Study NCT06416228	Southern Methodist University	Phase 2
Recruiting	Predicting Ventilator-associated Lower Respiratory Tract Infection Outcomes Using Sequenced-based Early Microb NCT06467864	The First Affiliated Hospital with Nanjing Medical University	—
Recruiting	Novel Mucosal Correlates Of RSV Protection In Older Adults NCT06274619	Imperial College London	N/A
Completed	Transmission Of Respiratory Tract microOrganisms In a School Environment NCT06248983	Leiden University Medical Center	—
Completed	Individualizing Treatment for Asthma in Primary Care NCT06272370	DARTNet Institute	Phase 4
Not Yet Recruiting	Improved Diagnostics, Treatment and Follow-up of Acute Exacerbation of Chronic Obstructive Pulmonary Disease NCT06105814	Vestre Viken Hospital Trust	N/A
Recruiting	An Adjunct Test Distinguishing Bacterial From Viral Etiology Improves Resource Utilization and Efficiency in t NCT06070688	The University of Texas Health Science Center, Houston	N/A
Unknown	IMMUNERECOV CONTRIBUTES TO IMPROVEMENT OF RESPIRATORY AND IMMUNOLOGICAL RESPONSE IN POST-COVID-19 PATIENTS. NCT06166030	Federal University of São Paulo	Phase 3
Completed	RCT of Vapendavir in Patients With COPD and Human Rhinovirus/Enterovirus Upper Respiratory Infection NCT06149494	Altesa Biosciences, Inc.	Phase 2
Active Not Recruiting	Point of Care Polymerase Chain Reaction (PCR) Diagnostics of Respiratory Tract Infections in General Practice NCT06120153	University of Southern Denmark	N/A
Completed	Patient Portal Flu Vaccine Reminders (RCT 6) NCT06062264	University of California, Los Angeles	N/A
Active Not Recruiting	Comparison of Nasopharyngeal Swab v. Nasopharyngeal Saline Wash or Saliva Collection in Testing for Respirator NCT05864118	University of Nebraska	N/A
Active Not Recruiting	Bevacizumab in Adults With Recurrent Respiratory Papillomatosis (RRP) NCT05797246	National Cancer Institute (NCI)	Phase 2
Completed	Pediatric Mask Fit Study NCT05942534	The Hospital for Sick Children	—
Completed	Study to Evaluate Immunogenicity, Safety and Tolerability of Adjuvanted and Non-Adjuvanted H2N3 Influenza Vacc NCT05875961	Seqirus	Phase 1
Completed	Study to Evaluate Safety and Immunogenicity of Different Priming and Booster Regimens With Adjuvanted H5N8 and NCT05874713	Seqirus	Phase 2
Completed	Distinguishing Bacterial and Viral Infections by MeMed BV® Test to Limit Gut Colonization by MDRO NCT05897801	Hellenic Institute for the Study of Sepsis	—
Unknown	Effects of Probiotic Against Respiratory & Gastrointestinal Illnesses in Children NCT05734417	Min-Tze LIONG	N/A
Recruiting	Non-specific Effects of a Modified Measles Vaccination Schedule to Prevent Allergy and Unrelated Infection in NCT05758532	Laure Pittet, MD-PhD	Phase 4
Completed	Clinical Trial of Recombinant Pneumococcal Protein Vaccine NCT05622942	CanSino Biologics Inc.	Phase 1
Unknown	A Combinatorial Biomarker for Infection Diagnosis in Children NCT05971901	Universität des Saarlandes	—
Completed	The Protective Effect of Mask Wearing Against Respiratory Tract Infections NCT05690516	Norwegian Institute of Public Health	N/A
Recruiting	Novel Technologies for Respiratory Virus Identification NCT05661032	Portsmouth Hospitals NHS Trust	—
Active Not Recruiting	OM-85 in Paediatric Recurrent Respiratory Tract Infections With Wheezing Lower Respiratory Illness NCT05677763	OM Pharma SA	Phase 4
Unknown	Intranasal Dexmedetomidine in Children Undergoing Adenotonsillectomy Suffering From Mild Upper Respiratory Tra NCT05639777	Tanta University	Phase 4
Withdrawn	Sepsis Prognosis and Diagnosis in the Emergency Department (SPEED) NCT05639504	Inflammatix	—
Completed	CRP for Respiratory Diagnosis in Kyrgyz Pediatric Practice NCT05195866	Rigshospitalet, Denmark	N/A
Unknown	Immunogenicity, Efficacy and Safety Trial of the Convacell Vaccine in Healthy Volunteers Aged 18 Years and Old NCT05726084	St. Petersburg Research Institute of Vaccines and Sera	Phase 2 / Phase 3
Completed	Patient Portal Flu Vaccine Reminders_RCT 5 (LADHS) NCT05535777	University of California, Los Angeles	N/A
Completed	Patient Portal Flu Vaccine Reminders (5) NCT05525494	University of California, Los Angeles	N/A
Unknown	mNGS -Guided Antimicrobial Treatment in Early Severe Community-Acquired Pneumonia Among Immunocompromised Pati NCT05290454	Qilu Hospital of Shandong University	N/A
Completed	A Study to Evaluate Safety and Immunogenicity of One or Two Booster Vaccinations With H5N6 Influenza Vaccine i NCT05422326	Seqirus	Phase 2
Unknown	Towards Life-Long Healthy Lungs: A Multidisciplinary Follow-up Framework for Preterm Infants NCT05618769	Franciscus Gasthuis	N/A
Completed	Study to Evaluate the Safety and Clinical Efficacy of Augmentin® Extra Strength-600 in Children With Acute Oti NCT04600752	GlaxoSmithKline	Phase 4
Completed	Tobacco Use and the Risk of COVID-19 and Adverse Outcomes NCT05321433	Karolinska Institutet	—
Unknown	Rebound for Respiratory in School Aged Children and Young People With Neurodisability NCT05495412	Jon Marsden	N/A
Unknown	The Effect of Working at Home to Reduce Risk of Respiratory Infection NCT05298488	Norwegian Institute of Public Health	N/A
Recruiting	Antibiotic Therapy in Viral Airway Infections NCT05045612	University Hospital, Akershus	Phase 4
Active Not Recruiting	Bacterial Lysate In Preventing Asthma NCT05064631	Queen Mary University of London	Phase 2
Completed	Clinical Performance of the Checkable Medical At-Home Strep A Test NCT05107362	Checkable Medical Inc	—
Completed	The Impact of a School-based WASH Intervention on Child Health and School Attendance in Addis Ababa, Ethiopia NCT05024890	London School of Hygiene and Tropical Medicine	N/A
Terminated	ADEQUATE Advanced Diagnostics for Enhanced Quality of Antibiotic Prescription NCT04547556	UMC Utrecht	N/A
Terminated	Patient Portal Flu Vaccine Reminders_RCT 4 NCT05052190	University of California, Los Angeles	N/A
Completed	Virus Interactions in the Respiratory Tract; a Cohort Study With Children NCT05318235	UMC Utrecht	—
Terminated	A Study of Rilematovir in Infants and Children and Subsequently in Neonates Hospitalized With Acute Respirator NCT04583280	Janssen Research & Development, LLC	Phase 3
Completed	Collection of RNA Extracted From Nasopharyngeal and Saliva Samples From Same Patients With Suspicion of Covid- NCT04949074	ID Solutions	—
Completed	Study of the Immunogenicity, Safety and Tolerability of the Convacell Vaccine. NCT05156723	St. Petersburg Research Institute of Vaccines and Sera	Phase 1 / Phase 2
Unknown	Efficacy and Safety of Selective Digestive Decontamination in the ICU With High Rates of Antibiotic-resistant NCT04839653	MEDSI Clinical Hospital 1, ICU	N/A
Completed	Health Communication to Influence COVID-19 Vaccination Intent and Message Propagation NCT05244356	Clinical Research Centre, Malaysia	N/A
Completed	EFFICACY and SAFETY OF BEVACIZUMAB (ZIRABEV®) IN PATIENTS WITH SEVERE HYPOXEMIC COVID-19 NCT04822818	Assistance Publique - Hôpitaux de Paris	Phase 3
Unknown	Aerosolisation During Respiratory Procedures NCT04741217	Guy's and St Thomas' NHS Foundation Trust	—
Completed	The Value of Ultralow Dosis CT and Ultrasound in the Diagnosing of Pneumonia in the Emergency Department NCT04645030	University of Southern Denmark	—
Completed	Focused Lung Ultrasound: A Prospective Cohort Study in General Practice NCT04711031	Aalborg University	—
Completed	Glasses Against Transmission of SARS-CoV-2 (COVID-19) in the Community NCT05217797	Norwegian Institute of Public Health	N/A
Terminated	Predicting Severity and Disease Progression in Influenza-like Illness (Including COVID-19) NCT04664075	Imperial College London	—
Recruiting	TINO: T Cells in the Nose of Older Adults NCT06039527	Leiden University Medical Center	—
Completed	Evaluation of the Effectiveness of Therapy for Patients With Covid-19 Using Food Supplements Viusid + Asbrip NCT04980534	Catalysis SL	N/A
Unknown	Nurse-led Antimicrobial Stewardship Intervention to Increase Antibiotic Appropriateness in Residential Aged Ca NCT03941509	Bayside Health	N/A
Completed	Pediatric Second Influenza Dose Portal Reminder Recall NCT04668417	University of California, Los Angeles	N/A
Completed	Echinaforce Study to Investigate Explorative Pharmacology and Effectiveness to Prevent From Enveloped Virus In NCT05002179	A. Vogel AG	Phase 4
Terminated	SILtuximab in Viral ARds (SILVAR) Study NCT04616586	RECORDATI GROUP	Phase 3
Completed	Cod Liver Oil for Covid-19 Prevention Study NCT04609423	Oslo University Hospital	Phase 4
Completed	Optimal Collection of Specimens of the Lower Respiratory Tract NCT04595526	University of Southern Denmark	N/A
Completed	Wide Scale Monitoring for Acute Respiratory Infection Using a Mobile-Based Study Platform NCT04663776	Boston Children's Hospital	—
Completed	Vitamin D3 Supplementation to Prevent Respiratory Tract Infections NCT04596657	The Cooper Health System	N/A
Completed	Psychological and Lifestyle Factors on Health Outcomes NCT04780867	Liverpool John Moores University	N/A
Completed	Daily Vitamin D for Sickle-cell Respiratory Complications NCT04170348	Columbia University	Phase 2
Completed	Prevention Of Respiratory Tract Infection And Covid-19 Through BCG Vaccination In Vulnerable Older Adults NCT04537663	UMC Utrecht	Phase 4
Completed	Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- UCLA Portal R/R Influenza RCT 3 NCT04533685	University of California, Los Angeles	N/A
Completed	Diagnostic Accuracy Comparison Between Telemedicine and Face-to-face Consultations in Respiratory Infection Pa NCT04806477	Hospital Israelita Albert Einstein	N/A
Completed	Acute Safety and Acceptability Study of Experimental Device RD19 for Protection From Human Respiratory Disease NCT04557826	EmitBio Inc.	N/A
Completed	Comparison of Tocilizumab Plus Dexamethasone vs. Dexamethasone for Patients With Covid-19 NCT04476979	Assistance Publique - Hôpitaux de Paris	Phase 2
Unknown	Prevalence and Risk Factors of COVID-19 in the Upper Silesian Agglomeration NCT04627623	Medical University of Silesia	—
Unknown	Natural Killer Cell (CYNK-001) Infusions in Adults With COVID-19 NCT04365101	Celularity Incorporated	Phase 1 / Phase 2
Unknown	Levamisole and Isoprinosine in the Treatment of COVID19: A Proposed Therapeutic Trial NCT04383717	Cairo University	Phase 3
Unknown	Analysis of the Quality and Quantity of Antibiotic Prescriptions for Bacterial Respiratory Tract Superinfectio NCT04544072	Universitair Ziekenhuis Brussel	—
Completed	Influence of Specific Immunotherapy With Pollinex Quattro (Tree-/Grass Pollen) on Allergen-specific Immunoglob NCT04389034	Allergy Therapeutics	—
Unknown	Study of Clinical and Immune Severity Profiles of Patients Infected With SARS-Cov2 (COVID-19) NCT04365166	Direction Centrale du Service de Santé des Armées	—
Completed	Phase Ⅰa Clinical Trial of a Pneumococcal Vaccine NCT04087460	CanSino Biologics Inc.	EARLY_Phase 1
Completed	Audio Data Collection for Identification and Classification of Coughing NCT04326309	HealthMode Inc.	—
Completed	Counseling of Pregnant Women During Corona NCT04317365	Aljazeera Hospital	N/A
Completed	TriVerity in the Diagnosis and Prognosis of Emergency Department Patients With Suspected Infections and Suspec NCT04094818	Inflammatix	—
Completed	Home Testing of Respiratory Illness NCT04245800	Evidation Health	—
Unknown	Mycoplasma Infection Rate and Macrolides Resistance in Children With Acute Respiratory Tract Infection NCT04126304	Shanghai Children's Medical Center	—
Unknown	Effectiveness of Improving Diagnostic and Communication Skills on Antibiotic Prescribing Appropriateness in Ac NCT03931577	Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina	N/A
Completed	Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- RCT 2 NCT04110314	University of California, Los Angeles	N/A
Completed	Effect of L. Rhamnosus Yoba on RTI and Other Health Outcomes Among Children (3-6 Years) in Uganda NCT04144491	VU University of Amsterdam	N/A
Completed	Impact on PCT+ FilmArray RP2 Plus Use in LRTI Suspicion in Emergency Department NCT03840603	BioMérieux	N/A
Unknown	A Nutritional Trial on Effect of L. Rhamnosus Yoba on RTI and Other Health Outcomes Among Children (3-6 Years) NCT03990220	VU University of Amsterdam	—
Recruiting	Rapid Analysis of Infections by Spectrometry of Exhaled Breath NCT03299608	Universitaire Ziekenhuizen KU Leuven	—
Completed	Using Plain Water With Oral Care to Increase Hydration for Long Term Care Residents With Disordered Swallowing NCT03672552	Memorial University of Newfoundland	N/A
Completed	Point-of-care Testing of Respiratory Pathogens at Pediatric Emergency Room NCT03932942	University of Oulu	N/A
Completed	A Phase 3 Study to Determine if RTB101 Prevents Clinically Symptomatic Respiratory Illness in the Elderly NCT04668352	Restorbio Inc.	Phase 3
Completed	Rapid Detection of Airway Pathogens for Lung Transplantation NCT03933878	University of California, San Francisco	—
Completed	Accuracy and Consequences of Using Trial-of-antibiotics for TB Diagnosis (ACT-TB Study) NCT03545373	London School of Hygiene and Tropical Medicine	Phase 3
Completed	A 24 Month Observational Study of Infants 3-24 Months, Who Suffer an Acute Episode of Respiratory Infection an NCT03741322	Duke University	—
Completed	Superiority of Newly Developed Over Basic Echinacea Formulations for the Treatment of Respiratory Tract Infect NCT03812900	A. Vogel AG	Phase 2 / Phase 3
Completed	Improving Antimicrobial-Prescribing in Emergency Departments NCT03349567	Iowa City Veterans Affairs Medical Center	N/A
Completed	Patient Portal - Flu Reminder Recall NCT03666026	University of California, Los Angeles	N/A
Completed	Efficacy of a Plant-derived Quadrivalent Virus-like Particle (VLP) Vaccine in the Elderly NCT03739112	Medicago	Phase 3
Completed	HostDx Sepsis in the Diagnosis and Prognosis of Emergency Department Patients With Suspected Infections: a Mul NCT03744741	Inflammatix	—
Completed	A Study to Determine the Epidemiology and Evaluate the Burden of Disease in Respiratory Syncytial Virus/Human NCT03574532	Janssen-Cilag International NV	—
Completed	Active Surveillance for Adverse Events Following Immunization With the Butantan Trivalent Influenza Vaccine (2 NCT03392207	Butantan Institute	—
Completed	A Study to Describe the Safety and Immunogenicity of a RSV Vaccine in Healthy Adults NCT03529773	Pfizer	Phase 2
Completed	Inflammatory Mediators Associated With Infection by Respiratory Syncytial Virus NCT03757429	Uppsala University	—
Completed	Safety Tolerability DDI Short Course Treatment of LTBI Infection With High-dose Rifapentine and Isoniazid or S NCT03435146	The Aurum Institute NPC	Phase 1 / Phase 2
Terminated	Targeted AntiBiotics for Chronic Pulmonary Diseases NCT03262142	Chronic Obstructive Pulmonary Disease Trial Network, Denmark	Phase 4
Completed	Vitamin D Supplementation for the Prevention of Acute Respiratory Infections: a RCT in Young Finnish Men NCT05014048	Tampere University	N/A
Completed	The Effect of Zinc Acetate Lozenges on the Rate of Recovery From the Common Cold NCT03309995	University of Helsinki	N/A
Completed	A Study to Evaluate the Safety, Tolerability and Immunogenicity of an Investigational RSV Vaccine Candidate (A NCT03303625	Janssen Vaccines & Prevention B.V.	Phase 1 / Phase 2
Active Not Recruiting	Dose Finding Study to Determine if BEZ235 Alone or in Combination With RAD001 Decreases the Incidence of Respi NCT03373903	Restorbio Inc.	Phase 2
Unknown	Effect of OM-85 on Respiratory Tract Infections and Adenoid Tissue in Children With Adenoid Hypertrophy NCT03243565	Dr. Sami Ulus Children's Hospital	Phase 4
Completed	Assesment of the Endotracheal Tube Cuff Pressure Values in ICU Pateints Before and After Training Seminar NCT03401463	Jagiellonian University	N/A
Terminated	Inhaled Gaseous Nitric Oxide (gNO) Antimicrobial Treatment of Difficult Bacterial and Viral Lung (COVID-19) In NCT03331445	Chris Miller	Phase 2
Completed	Centralized Reminder Recall - Flu RCT2 NCT03294473	University of California, Los Angeles	N/A
Unknown	Specimen Collection and Transport Workflow Evaluations for CLIA-waived Molecular Testing NCT03299283	BioFire Diagnostics, LLC	—
Completed	Lot-to-lot Consistency of a Plant-Derived Quadrivalent Virus-Like Particles Influenza Vaccine in Healthy Adult NCT03321968	Medicago	Phase 3
Unknown	TB Sequel: Pathogenesis and Risk Factors of Long-term Sequelae of Pulmonary TB NCT03251196	The Aurum Institute NPC	—
Completed	TRACE E-learning Implementation in Belgium NCT03265028	Universiteit Antwerpen	—
Completed	Efficacy, Safety, and Immunogenicity of a Plant-Derived Quadrivalent Virus-Like Particles (VLPs) Influenza Vac NCT03301051	Medicago	Phase 3
Completed	Impact of Probiotic Use on Immune Cell Function in Children NCT02687503	University of Wisconsin, Madison	N/A
Completed	Implementation Assessment and Clinical Utility of the FilmArray® Respiratory Panel (RP) EZ in a CLIA-waived Se NCT03029299	BioFire Diagnostics, LLC	N/A
Completed	Diagnostic Accuracy of a Host-response Based Diagnostic Tool for Distinguishing Between Bacterial and Viral Et NCT03052088	MeMed Diagnostics Ltd.	—
Completed	Safety of Discontinuing Patient Antibiotic Treatment NCT02900820	Spanish Society of Family and Community Medicine	N/A
Completed	A Multifaceted Intervention to Improve Prescribing for Acute Respiratory Infection for Adults and Children in NCT03022929	University of California, Davis	N/A
Completed	Rapid Diagnostics for Upper Respiratory Infections in the Emergency Department NCT02957136	University of California, Davis	N/A
Recruiting	Fosfomycin I.v. for Treatment of Severely Infected Patients NCT02979951	Infectopharm Arzneimittel GmbH	—
Completed	ProbioKid as Prevention Among Kids With Frequent URTI NCT04525040	Lallemand Health Solutions	N/A
Completed	Immunogenicity, Safety, and Tolerability of a Plant-Derived Quadrivalent VLP Influenza Vaccine in Elderly Adul NCT02831751	Medicago	Phase 2
Completed	Immunogenicity of a Quadrivalent Virus-Like Particles (VLP) Influenza Vaccine in Healthy Adults NCT02768805	Medicago	Phase 2
Completed	Efficacy of Antibiotics in Children With Acute Sinusitis: Which Subgroups Benefit? NCT02554383	Nader Shaikh	Phase 3
Completed	Idylla IFV-RSV Panel Clinical Testing NCT02786381	Janssen Pharmaceutica N.V., Belgium	—
Completed	Depressed AIRE Gene Expression Causes Immune Cell Dysfunction & Autoimmunity in Down Syndrome NCT02421276	University of Colorado, Denver	N/A
Completed	A Study to Evaluate the Safety, Tolerability and Immunogenicity of Ad26.RSV.FA2 Followed by Ad35.RSV.FA2 in He NCT02561871	Crucell Holland BV	Phase 1
Completed	PHase IV Clinical Trial of Ceftriaxone Sodium and Sulbactam Sodium for Injection (CRO-SBT) NCT04066621	Xiangbei Welman Pharmaceutical Co., Ltd	Phase 4
Completed	Bacterial Colonization in Tracheostomized Patients With Neurological or Neuromuscular Disease NCT02400086	Centre d'Investigation Clinique et Technologique 805	—
Completed	Procalcitonin in Early Antibiotic Interruption in Patient With Bacterial Pulmonary infeCtion and Acute Heart F NCT02787603	University of Sao Paulo General Hospital	N/A
Unknown	Prevention of Respiratory Infections Among Children Under 3 Years of Age Attending Daycare Centres NCT02588963	Polytechnic Institute of Porto	N/A
Completed	Effect of Probiotics in Reducing Infections and Allergies in Young Children Starting Daycare NCT02180581	University of Copenhagen	N/A
Completed	Immunogenicity, Safety and Tolerability of a Plant-Derived Seasonal Virus-Like-Particle Quadrivalent Influenza NCT02233816	Medicago	Phase 2
Completed	Immunogenicity, Safety and Tolerability of a Plant-Derived Seasonal VLP Quadrivalent Influenza Vaccine in the NCT02236052	Medicago	Phase 2
Completed	Effects of Tobacco Products on Live Attenuated Influenza Virus (LAIV) Infections in Human Volunteers NCT02019745	University of North Carolina, Chapel Hill	—
Completed	FINDpath: Fast I(n)Dentification of PATHogens NCT03312829	Hamilton Health Sciences Corporation	—
Completed	Long-term Safety and Efficacy Follow-up Study of PNEUMOSTEM® in Patients Who Completed PNEUMOSTEM® Phase-I Stu NCT02023788	Medipost Co Ltd.	—
Completed	Safety, Tolerability and Immunogenicity of a Plant-made H7 Virus-like Particle (VLP) Influenza Vaccine in Adul NCT02022163	Medicago	Phase 1
Completed	Impact of a Multifactorial Program of Hand Hygiene on Infections in Children Attending in Day-care Centres NCT03294772	Fundación Pública Andaluza para la Investigación Biomédica Andalucía Oriental	N/A
Completed	Safety, Tolerability and Immunogenicity of a Plant-made Seasonal Quadrivalent VLP Influenza Vaccine in Adults NCT01991587	Medicago	Phase 1 / Phase 2
Completed	A Retrospective, Blinded Validation of a Host-response Based Diagnostics NCT01911143	MeMed Diagnostics Ltd.	—
Terminated	Effect of Probiotics in Reducing Infections and Allergies in Young Children During the Complementary Feeding P NCT02032056	University of Copenhagen	N/A
Completed	The Effects of Enzymes and Flavonoids on Inflammation and Coagulation After Marathon NCT01916408	Technical University of Munich	Phase 1
Completed	Melbourne Infant Study - Bacille Calmette Guérin (BCG) for Allergy & Infection Reduction NCT01906853	Murdoch Childrens Research Institute	Phase 3
Completed	Immunogenicity, Safety, Tolerability of a Plant-made H5 Virus-like-particle (VLP) Influenza Vaccine. NCT01991561	Medicago	Phase 2
Completed	Hand Hygiene Randomized Cluster Intervention to Reduce Infections NCT02131727	Kent State University	N/A
Unknown	LGG for Prevention of Infectious Complications During PPI Treatment in Children NCT01782118	Medical University of Warsaw	Phase 4
Completed	Bifidobacterium Animalis Subsp. Lactis in Prevention of Common Infections in Healthy Children Attending Day Ca NCT01702753	Children's Hospital Zagreb	N/A
Completed	Evaluation of the Dubai Cares WASH in School Initiative NCT01787058	Emory University	—
Completed	Bifidobacterium Animalis Subsp. Lactis for Lowering the Risk of Common Infections in Hospitalized Children NCT01702766	Children's Hospital Zagreb	N/A
Unknown	Etiologies, Investigations and Outcomes of Patients Presenting With Hemoptysis NCT02913365	Université de Sherbrooke	—
Completed	Probiotics and Infections in Conscripts in Military Service NCT01651195	Helsinki University Central Hospital	N/A
Completed	DNA-based Influenza Vaccine in the Elderly NCT01587131	University of Manitoba	Phase 1
Completed	Non-Inferiority of Peer Comparison Interventions NCT05575115	University of Southern California	—
Suspended	Study on Ceftazidime and Sulbactam Sodium for Injection (2:1) for Treatment of Respiratory and Urinary Tract I NCT01601093	Xiangbei Welman Pharmaceutical Co., Ltd	Phase 2
Completed	Vitamin D for Enhancing the Immune System in Cystic Fibrosis (DISC Study) NCT01426256	Emory University	Phase 3
Completed	DO IT Trial: Vitamin D Outcomes and Interventions In Toddlers NCT01419262	The Hospital for Sick Children	Phase 3
Terminated	Steroids, Azithromycin, Montelukast, and Symbicort (SAMS) for Viral Respiratory Tract Infection Post Allotrans NCT01432080	Maisonneuve-Rosemont Hospital	Phase 2
Unknown	Piperacillin Sodium and Sulbactam Sodium for Injection (2:1) for Treatment of Respiratory and Urinary Tract In NCT01897831	Xiangbei Welman Pharmaceutical Co., Ltd	Phase 4
Completed	Study on Cefotaxime and Sulbactam Sodium for Injection (2:1) for Treatment of Respiratory and Urinary Tract In NCT01426191	Xiangbei Welman Pharmaceutical Co., Ltd	—
Completed	Piperacillin Sodium and Sulbactam Sodium for Injection(2:1) for Treatment of Respiratory and Urinary System In NCT01760109	Xiangbei Welman Pharmaceutical Co., Ltd	Phase 4
Completed	Respiratory Endoscopy: Diagnostic Yield, Technical Factors and Complications NCT01374542	Singapore General Hospital	—
Completed	Validation of Vital Signs and Symptoms for the Diagnosis of Serious Infections in Children in the Paediatric A NCT01396798	KU Leuven	—
Completed	Immunogenicity, Safety, Tolerability of a Plant-Made H5 VLP Influenza Vaccine NCT01244867	Medicago	Phase 2
Completed	Intervention Study to Improve Antibiotic Prescription in Outpatient Care NCT01358916	University of Bern	N/A
Completed	Efficacy of Nebulised Beclometasone in Viral Wheezing Prophylaxis NCT01265342	Mario Negri Institute for Pharmacological Research	Phase 4
Completed	Observational Research in Childhood Infectious Diseases Study NCT01304914	The University of Queensland	—
Completed	Trial of Vitamin D Supplementation for the Prevention of Influenza and Other Respiratory Infections (ViDiFlu) NCT01069874	Barts & The London NHS Trust	Phase 2 / Phase 3
Completed	To Test Bioequivalence Between Two Formulations of Paracetamol/Phenylephrine NCT01112462	McNeil AB	Phase 1
Completed	A Study on Higher-dose Oseltamivir Treatment's Impact on Viral Clearance and Clinical Recovery in Adults Hospi NCT01052961	Chinese University of Hong Kong	Phase 4
Completed	Usefulness of C-reactive Protein Testing in Acute Cough NCT01794819	Northern State Medical University	N/A
Completed	Multiple Oral Dose Safety, Tolerability And Pharmacokinetic Study Of PF-04287881 In Healthy Adult Subjects NCT01026545	Pfizer	Phase 1
Completed	Dysphagia in Elderly Medical Patients NCT01006330	Herlev Hospital	—
Completed	Safety of H1N1 Influenza Vaccination in Pregnant Women NCT01842997	Jiangsu Province Centers for Disease Control and Prevention	Phase 4
Unknown	Basic and Clinical Research on Applying Blood Fix to Treat Critical H1N1 Patients NCT01055990	Shanghai Public Health Clinical Center	Phase 2
Completed	Safety Study of a Plant-based H5 Virus-Like Particles (VLP) Vaccine in Healthy Adults NCT00984945	Medicago	Phase 1
Completed	A Comparison of Respiratory Sample Collection by a Parent or by a Healthcare Worker NCT00966069	The University of Queensland	N/A
Completed	Evaluation of the Treatment With Klacid SR in Patients With Acute Tracheitis, Tracheobronchitis and Bronchitis NCT01095978	Abbott	—
Completed	Novel Influenza A/H1N1 Split- Virion Vaccine in Healthy Population Aged 3 Years and Older NCT00975572	Jiangsu Province Centers for Disease Control and Prevention	Phase 2
Completed	Antibiotic Education for Children in an Emergency Care Unit NCT00948779	Assistance Publique - Hôpitaux de Paris	N/A
Completed	Safety And Pharmacokinetics Study Of PF-04287881 In Healthy Adults NCT00793000	Pfizer	Phase 1
Completed	PulmonarOM (Bacterial Lysates) in Respiratory Tract Infections NCT00599417	Sanofi	Phase 4
Completed	Measuring the Influence of Kefir on Children's Stools on Antibiotics (MILK) NCT00481507	Georgetown University	N/A
Terminated	Early Versus Expectant Treatment of Ureaplasma Infection in Very Low Birth Weight Neonates NCT00599053	University of Alabama at Birmingham	Phase 1 / Phase 2
Completed	Viral Infections in Chronic Obstructive Pulmonary Disease (COPD) Exacerbations NCT00448604	University Hospital, Geneva	—
Completed	Compliance And Safety Study In Children With Upper And Lower Respiratory Tract Infections NCT00939185	Pfizer	—
Completed	Observation of Initial Procalcitonin and the Clinical Course of Patients With Acute Respiratory Tract Infectio NCT00827060	Hannover Medical School	—
Completed	Stopping Upper Respiratory Infections and Flu in the Family: The Stuffy Trial NCT00448981	Centers for Disease Control and Prevention	N/A
Completed	Study of the Effect of Probiotics on Respiratory Morbidity After Influenza Vaccination of Elderly in Nursing H NCT00849277	Universiteit Antwerpen	Phase 4
Completed	Effect of the Consumption of a Fermented Milk on Common Infections in Shift-workers NCT01033799	Danone Global Research & Innovation Center	N/A
Completed	Source Profiling of Biohazardous Aerosols in Hospitals NCT00517660	Hospital Authority, Hong Kong	—
Completed	An Intervention to Reduce Inappropriate Prescriptions of Antibiotics for Respiratory Infections in General Pra NCT00272155	University of Oslo	Phase 1 / Phase 2
Completed	Evaluating the Effectiveness of the Acute Respiratory Infection Smart Form NCT00235040	Agency for Healthcare Research and Quality (AHRQ)	N/A
Completed	Effect of Honey and Dextromethorphan on Nocturnal Cough and Sleep NCT00127686	Penn State University	Phase 1
Completed	Vitamin D Supplementation for the Prevention of Acute Respiratory Tract Infections NCT00973583	Tampere University	N/A
Completed	Telithromycin in Respiratory Tract Infections NCT00261105	Sanofi	Phase 4
Completed	Procalcitonin Guided Antibiotic Use in Acute Respiratory Tract Infections (PARTI)-Study NCT00099840	University Hospital, Basel, Switzerland	N/A
Terminated	KEYS: Study Comparing Clinical Health Outcomes of Telithromycin Versus Azithromycin in Outpatients With Commun NCT00132951	Sanofi	Phase 4
Unknown	Long Term Effect of General Practitioner Education on Antibiotic Prescribing NCT01107223	Henri Mondor University Hospital	N/A
Completed	Patient Centered Communication Training to Reduce Antibiotic Use in Acute Respiratory Tract Infections NCT00105248	University Hospital, Basel, Switzerland	N/A
Completed	Placebo and Active Controlled Study to Compare the Antipyretic Efficacy of Aspirin® in Patients With Acute Feb NCT01464944	Bayer	Phase 4
Completed	Trial to Compare the Safety,Tolerability and Efficacy of Influenza Virus Vaccine, (CAIV-T) With Influenza Viru NCT00192205	MedImmune LLC	Phase 3
Completed	Randomised Exposure Study of Pollution Indoors and Respiratory Effects NCT01047696	University of California, Berkeley	N/A
Completed	Smoking Ban and Paediatric Hospital Admissions for Respiratory Tract Infections in England NCT01920165	University of Edinburgh	—
Completed	A Study on Immunological Effect of Vitamin A and Zinc in a Placebo Controlled 4 Cell Trial NCT00374023	International Centre for Diarrhoeal Disease Research, Bangladesh	N/A
Completed	Probiotics and Infections in Children Attending Day Care Centres NCT01014676	Valio Ltd	Phase 3