Search clinical trials for: retrospective study

Total 119195 results

Batool Mutar

Completed

Antimicrobial Resistance Rate In Escherichia Coli And Klebsiella Pneumonia : A Retrospective Study

Antibiotic Reaction
Novartis Pharmaceuticals

Completed

A Retrospective Study to Evaluate the Early Real-world Evidence of Brolucizumab in Patients With Neovascular Age-related Macular Degeneration (nAMD) in India

Neurovascular Age-related Macular Degeneration

India
Stryker Orthopaedics

Completed

Retrospective Simplex High Viscosity (HV) Bone Cement Study

Arthritis Knee | Aseptic Loosening
Beijing Tongren Hospital

Completed

A Single-center Retrospective Cohort Study to Explore the Prognostic Significance of CONUT in Elderly CAD Patients With HFpEFand Compare CONUT With Other Objective Nutritional Indices.

Malnutrition | Aged | Heart Failure With Preserved Ejection Fraction | Prognosis

China
Hacettepe University

Completed

Physical Fitness, Exercise Capacity and Activities of Daily Living in Primary Ciliary Dyskinesia: a Retrospective Study

Primary Ciliary Dyskinesia | Kartagener Syndrome | Immotile Cilia Syndrome

Turkey
Seoul National University Bundang Hospital

Completed

The Effects of Sex and Age Differences on Gastric Cancer : a Retrospective Study

Gastric Cancer | Age | Sex
Seoul National University Bundang Hospital

Completed

Effect of Helicobacter Pylori Eradication After Subtotal Gastrectomy on Survival Rate of Gastric Cancer Patients: Retrospective Study

Gastric Cancer

Korea, Republic of
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

Completed

Clinical Effect of Panfoxol of Otolaryngological Diseases of Upper Respiratory Tract Infection: A Multicenter Retrospective Observational Study

Otologic Disease

China
Beijing Tiantan Hospital
Beijing Friendship Hospital; RenJi Hospital; Beijing Chao Yang Hospital; Guangzhou... and other collaborators

Completed

A Retrospective, Multicenter, Controlled Clinical Trail: to Evaluate the Clinical Efficiency of Intracranial Aneurysm Assistive Software in the Morphological Measurement

Intracranial Aneurysm

China
Universidade Federal do Rio de Janeiro

Completed

Predictive Factors for Failure of Non-invasive Support Ventilation in Patients With COVID-19: A Retrospective Study.

COVID-19 | COVID-19 Pneumonia

Brazil
Pfizer

Completed

Non-interventional, Retrospective Cohort Study to Explore OAC Treatment in Korea

Atrial Fibrillation

Korea, Republic of
Pfizer

Completed

Retrospective Observational Research Study to Describe the Real World Use of Bosutinib in a Single Centre in Scotland

Myeloid Leukemia

United Kingdom
Spark Therapeutics

Completed

Neutralizing Antibody Seroprevalence Study With a Retrospective Component in Participants With Late-Onset Pompe Disease

Lysosomal Storage Diseases | Glycogen Storage Disease Type 2 | Pompe Disease (Late-onset) | Pompe Disease | LOPD | Acid Maltase Deficiency

United States, Italy, United Kingdom, Netherlands, France, Germany
Gangnam Severance Hospital

Completed

SURPASS Retrospective Study

Breast Cancer | Sentinel Lymph Node | Breast MRI | Neoadjuvant Systemic Therapy
Medacta USA

Withdrawn

Bilateral Total Knee Arthroplasty vs Unicompartment Arthroplasty Retrospective and Clinical Outcome Study

Osteoarthritis

United States
National Heart, Lung, and Blood Institute (NHLBI)

Completed

Retrospective Study of Patients With Severe Aplastic Anemia Who Relapsed After Immunosuppressive Therapy

Severe Aplastic Anemia

United States
Elsan

Completed

Construction of an Ultrasound Profile and a Mammographic Profile Corresponding to the Different Molecular Subtypes of Brest Cancer. A Retrospective Study (PROFILS)

Breast Cancer
Spanish Breast Cancer Research Group
Instituto de Salud Carlos III

Completed

Retrospective Observational Study About Evolution of Patients With Breast Cancer in Hospitals From GEICAM Group (ALAMO-IV)

Invasive Breast Cancer Between 2002 and 2005

Spain
AstraZeneca
Daiichi Sankyo, Inc.

Completed

Estimation of the Prevalence of HER2 Low and Describe the SoC, Treatment Patterns, and Outcome in Real-world Practice Among Unresectable and/or Metastatic Breast Cancer Patients With HER2 Low Status

Breast Cancer

United States, Germany, Italy, Korea, Republic of, United Kingdom, Portugal, Australia, Japan, Canada, France
Takeda

Completed

A Chart Review Study of Adults With Advanced NSCLC (EXTRACT)

Non-small Cell Lung Cancer (NSCLC)

Hong Kong, France, Canada
ShangHai Ji Ai Genetics & IVF Institute

Completed

Effect of GH Supplementation on the Blastocyst Euploid Rate in AMA Patients--A Retrospective Cohort Study

Growth Hormone | Advanced Maternal Age | PGT-A

China
Cipherome, Inc.
Santa Clara Valley Medical Center

Completed

DOAC ADRs Retrospective Study on Genetic Variations (DARES1)

Drug-Related Side Effects and Adverse Reactions | Treatment Failure

United States
Novo Nordisk A/S

Completed

A Study in North Macedonia Investigating Retrospective Data of Glucagon-like Peptide-1 (GLP-1) Participants With Type 2 Diabetes (T2D) in Real World Environment (RWE) Setting (MIRAGE) (MIRAGE)

Diabetes Mellitus, Type 2

North Macedonia
IRCCS San Raffaele

Completed

Retrospective Observational Comparison Study Between Ustekinumab and Tofacitinib as Third Line Therapy in a Multicenter Cohort of Patients With Refractory Ulcerative Colitis.

Ulcerative Colitis

Italy
Tianjin Medical University Cancer Institute and...

Completed

Selective Extended Dissection in Different Types of Pancreatic Head Cancer: A Retrospective Cohort Study.

Carcinoma, Pancreatic Ductal

China
Nordsjaellands Hospital

Active, not recruiting

What is the Rate of Surgical Treatment in Adult Patients With Displaced Distal Radius Fractures Managed According to the Danish National Clinical Practice Guidelines? - A Single Center Retrospective Cohort Study

Distal Radius Fracture

Denmark
Novartis Pharmaceuticals

Completed

Retrospective Chart Review Study of Patients With PIK3CA-Related Overgrowth Spectrum Who Have Received Alpelisib (EPIK-P1)

PIK3CA-Related Overgrowth Spectrum (PROS)

Spain, France, Australia, United States, Ireland
Zagazig University

Completed

Risk Factors for Postoperative Pancreatic Fistula Following Non-traumatic Pancreatic Surgery. Retrospective Observational Study.

Pancreas Neoplasm
Bayer

Completed

An Observational Study, Called RegoFlex EU, to Learn More About the Use of Stivarga at Reduced Doses as Recommended (Flexible Dosing) to Treat People With Metastatic Colorectal Cancer in Real World Settings in Europe (RegoFlex EU)

Metastatic Colorectal Cancer

United States
Pierre Fabre Medicament
Clinact

Completed

A Retrospective Non Interventional Study on First Line Treatment for Patients With BRAFV600E Mutant Metastatic Colorectal Cancer (mCRC) (CAPSTAN CRC)

Metastatic Colorectal Cancer | BRAF V600E Mutation Positive

France, United Kingdom, Spain, Belgium, Germany, Italy, Austria
Yonsei University

Completed

Influences of Sugammadex on Postoperative Progress in Patients With Myasthenia Gravis Undergoing Video-assisted Thoracoscopic Thymectomy: Retrospective Study

Myasthenia Gravis

Korea, Republic of
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Nanjing Geneseeq Technology Inc.

Active, not recruiting

Early Detection of Ovarian Cancer Using Plasma Cell-free DNA Fragmentomics (Retrospective Study)

Ovarian Cancer

China
Children's Mercy Hospital Kansas City

Completed

Weigh Easy: Simplifying Home Weight Monitoring for Infants

Cleft Lip and Palate

United States
Assistance Publique - Hôpitaux de Paris

Completed

Retrospective Study of Clinical Practice and Management of Imported Schistosomiasis in France (RETROBIZH)

Schistosomiasis

France
Novartis Pharmaceuticals

Completed

Secukinumab (Cosentyx®) Effectiveness in Axial Spondyloarthritis and Psoriatic Arthritis Patients Using Artificial Intelligence (SpAINET): Spanish Multicenter, Retrospective, Real World Evidence Study

Psoriatic Arthritis | Axial Spondyloarthritis

Spain
Bakirkoy Dr. Sadi Konuk Research and Training Hospital

Completed

The Relationship Between Driving Pressure, Mechanical Power, Oxygenation and Saturation Indices: Retrospective Observational Study

Pneumonia | Acute Respiratory Distress Syndrome

Turkey
Intergroupe Francophone de Cancerologie Thoracique
Novartis

Completed

BRAF V600-mutated Lung Carcinoma Treated With the Combination of Dabrafenib-trametinib: a Retrospective Evaluation (BLaDE)

Non Small Cell Lung Cancer | BRAF V600 Mutation

France
University Hospital, Grenoble

Completed

Arthrogryposis Multiplex Congenita in Pediatric Age: Correlation Between MUScular MRI and Functional Evaluation (AMUSE)

Pediatric ALL | Arthrogryposis Multiplex Congenita | AMC-Arthrogryposis Multiplex Congenita

France
Peking University First Hospital
Peking University People's Hospital; The Second Hospital of Hebei Medical University and other collaborators

Completed

A Retrospective Observational Study to Describe Anaemia Management, Burden of Disease and Outcomes in Chinese Patients on Peritoneal Dialysis Using a Clinical Database

Anemia

China
Institut für Klinische Krebsforschung IKF GmbH...

Terminated

CaboCHECK - Cabozantinib in Adult Patients With Advanced Renal Cell Carcinoma Following Prior Systemic Check Point Inhibition Therapy: a Retrospective, Non-interventional Study

Advanced Renal Cell Carcinoma (All Subtypes) | Metastatic Renal Cell Carcinoma (All Subtypes)

Germany
Erol Olcok Corum Training and Research Hospital

Completed

Anesthesia Preferences in the COVID-19 Pandemic: General Anesthesia or Regional Anesthesia?

COVID-19

Turkey
Assiut University

Completed

HoLEP in Management of BPH Patients With Predominant Voiding vs Storage LUTS: A Comparative Retrospective Study

Benign Prostatic Hyperplasia (BPH)

Egypt
Kaohsiung Medical University Chung-Ho Memorial...

Completed

Factors Associated With the Complexity of Dental Implant Surgery After Alveolar Ridge Preservation: A Retrospective Cross-sectional Study

the Complexity of Implant Surgery
Bakirkoy Dr. Sadi Konuk Research and Training Hospital

Completed

Is Monocyte/HDL Ratio a Predictor of Mortality in Aortic Valve Surgery

Inflammation | Aortic Valve Stenosis | HDL

Turkey
Sanofi

Completed

Retrospective Study on Caplacizumab-treated Pediatric Patients With Immune-mediated Thrombocytopenic Purpura (iTTP)

Immune-mediated Thrombocytopenic Purpura

France
Daiichi Sankyo Europe, GmbH, a Daiichi Sankyo Company
Daiichi Sankyo Germany

Completed

SurveY Followed by a Retrospective Chart Review to Describe the Key Factors Leading to Physician's Decision to Treat Patients at High and Very High Cardiovascular Risk With hyperchOlesterolemia or Mixed Dyslipidemia With NUSTENDI®

Hypercholesterolemia | Mixed Dyslipidemia

Germany
AstraZeneca
Parexel

Completed

Study to Describe the Real-world Treatment Patterns and Associated Outcomes in Patients With HER2-positive Unresectable or Metastatic Breast Cancer

Metastatic Breast Cancer

Taiwan, Hong Kong, Australia, Singapore, Korea, Republic of, Brazil
Takeda

Completed

Retrospective Study on Participants With Short Bowel Syndrome and Chronic Intestinal Failure That Underwent Transplantation in Brazil

Short Bowel Syndrome (SBS)

Brazil
Yongtao Han

Completed

The Impact of Two-field or Three-field Lymphadenectomy on Overall Survival in Middle and Lower Thoracic Esophageal Squamous Cell Carcinoma: An Observational Study

Esophageal Cancer

China
Pfizer

Completed

Non-interventional, Retrospective Cohort Study to Explore Antidepressant Treatment in Korea

Major Depression

Korea, Republic of

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