Search clinical trials for: retrospective observationnal study

Total 120014 results

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
Centre Hospitalier Arras
F2RSM Psy (Hauts-de-France Regional Federation for Research in Psychiatry...

Withdrawn

Evaluation of the API-VIGIE Monitoring System: Program to Reduce Emergency Visits for Severe Paroxysmal Alcoholism (EVAL-APIVIGIE)

Emergencies | Intoxication;Alcohol;Acute

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
Umeå University

Completed

No Cases of Delayed Intracranial Hemorrhage (d-ICH) Among Patients With Mild Traumatic Brain Injury (mTBI) on Oral Anticoagulation Therapy

Traumatic Brain Injury | Traumatic Intracranial Hemorrhage

Sweden
Assistance Publique - Hôpitaux de Paris

Withdrawn

Acute Rhabdomyolysis and Muscle Pain Associated With Mutations in the LPIN1 Gene - A Retrospective Study Describing the Safety and Efficacy of Hydroxychloroquine Sulfate Given on a Compassionate Basis to Patients Suffering From Lipin-1 Deficiency (LIPIN-1-METAB)

LIPIN1 Deficiency

France
Health Education and Improvement Wales

Completed

A Retrospective Cohort Study of Differential Attainment, COVID-19 and Chaos

COVID-19 | Surgery

United Kingdom
Central Hospital, Nancy, France

Enrolling by invitation

Retrospective Study on the Evolution of CIN 1 to 3 in Per and Postpartum in Nancy From 2014 to 2022

Cervical Intraepithelial Neoplasia

France
Saint-Joseph University

Enrolling by invitation

Evaluation of the Novel Implant Disease Risk Assessment : a Retrospective Study (IDRA) (IDRA)

Peri-Implantitis | Implant Expulsion

Lebanon
Radboud University Medical Center

Enrolling by invitation

Oral Complications After Haematopoietic Stem Cell Transplantation: a Retrospective Study (RadboudStem)

Stem Cell Transplant Complications | Oral Complication

Netherlands
Bolan Medical Complex Hospital Quetta Pakistan

Completed

Predictors of Foot Amputation in Diabetic Foot Ulcers

Diabetic Foot | Amputation | Diabetic Foot Ulcer | Antibiotic Resistant Strain

Pakistan
Zagazig University

Completed

The Role of Laparoscopy in Upper Abdominal Surgical Emergencies in Adults: A Retrospective Observational Study.

Acute Abdomen
China Medical University Hospital

Active, not recruiting

Analysis of Clinical Outcomes and Complications in Patients Received Liver Transplantation: A Retrospective Study

Liver Transplant, Liver Cancer, Immunosuppressant

Taiwan
Fundació Sant Joan de Déu

Completed

Safety of Acupuncture and Intracutaneous Needles in Pediatric Cancer Patients: a Retrospective Study (ACUSAFE2021) (ACUSAFE2021)

Thrombocytopenia | Neutropenia | Bacteremia | Safety Issues | Cancer Pediatric | Infection;Skin;Localised

Spain
Novafem

Completed

Effect of Sars-cov-2 on Donor Oocyte Quality and Quantity, a Multicenter Retrospective Study.

SARS-CoV-2 Infection | Ovarian Reserve | Blastocyst

Colombia
University of Palermo

Completed

Retrospective Study of Intestinal Microbiota in Association With Diabetes

Dysbiosis Symptoms Linked to Pathology

Italy
National Heart, Lung, and Blood Institute (NHLBI)

Completed

Retrospective Study of Patients With Severe Aplastic Anemia Who Developed High Risk Clonal Evolution With Chromosome 7 Abnormalities After Immunosuppressive Therapy

Severe Aplastic Anemia

United States
University of Jordan

Completed

Hysteroscopic Surgery; Retrospective Cross-sectional Study of Reproductive Outcome

Hysteroscopic Metroplasty and Myomectomy
Pfizer

Completed

InO - A Retrospective Study of UK Patients With Leukaemia (InO)

Precursor Cell Lymphoblastic Leukemia-Lymphoma

United Kingdom
University Hospital, Basel, Switzerland

Completed

Long-term Outcome Following Concomitant Surgical Ablation for Atrial Fibrillation at University Hospital Basel: A Retrospective Study

Atrial Fibrillation | Maze Procedure

Switzerland
Chengdu Kanghong Biotech Co., Ltd.
Guangzhou Keli Medical Research Co., Ltd.

Enrolling by invitation

Real World Study of the Effectiveness and Safety of Conbercept Ophthalmic Injection in the Treatment of Retinopathy of Prematurity - Multicenter, Retrospective and Observational Study Based on Real World Data

Retinopathy of Prematurity

China
Amgen
European EWALL study groups

Completed

Retrospective Analysis of Survival in Adult MRD Positive Acute Lymphoblastic Leukemia Patients

Acute Lymphoblastic Leukemia

Czechia, Spain, France, Italy, Russian Federation, Germany, United Kingdom, Poland
Armando Santoro, MD

Completed

Retrospective Study Evaluating IGF1R And p95HER2 as Prognostic Factors in Non Small Cell Lung Cancer (NSCLC)

Non Small Cell Lung Cancer

Italy

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