Research institution
Karolinska University Hospital Clinical Trials
Studies where Karolinska University Hospital is the lead sponsor: what is enrolling now, by phase, condition and country.
In numbers
Open to volunteers: recruiting, not yet recruiting or enrolling by invitation. Active adds studies under way that have stopped recruiting.
Open to volunteers
All 40Atrial Fibrillation (AF)
Dual-Energy Lattice-Tip Assisted Marshall-Plan Strategy in Redo Persistent Atrial Fibrillation Ablation
This clinical trial will assess the efficacy and safety of a Marshall plan-based ablation strategy without ethanol infusion into the vein of Marshall in patients with persistent atrial fibrillation undergoing repeat ablation with…
- Trial name
- DELTA-MAP AF (NCT07899918)
- Testing
- Marshall Plan-Based Ablation Strategy, PV re-isolation only, Additional Left Atrial Ablation
- Where
- Sweden
- Volunteers
- 234 people
- Sponsor
- Karolinska University Hospital
Atrial Fibrillation (AF), Atrial Fibrillation Ablation
Catheter Ablation vs Conservative Care in Elderly Patients With Atrial Fibrillation
ACE-AF is a multicenter randomized study in people aged 78 years and older with symptomatic atrial fibrillation (AF). AF is a common heart rhythm disorder in older adults and can cause reduced quality of life and lead to serious…
- Conditions
- Atrial Fibrillation (AF), Atrial Fibrillation Ablation, Elderly
- Trial name
- ACE-AF (NCT07424690)
- Testing
- Catheter Ablation for Atrial Fibrillation, Optimized Medical Therapy for Atrial Fibrillation, Implantable Loop Recorder (ILR)
- Where
- 2 sites in Sweden
- Volunteers
- 282 people
- Sponsor
- Karolinska University Hospital
Intrahepatic Cholangiocarcinoma, Perihilar Cholangiocarcinoma
Prognostic Evaluation and Systematic Re-Assessment of Cholangiocarcinoma Therapy
Prospective observational cohort study including patients with a diagnosis of intrahepatic/perihilar cholangiocarcinoma at the central regional multidisciplinary conference, to assess therapy response, patient-reported quality of…
- Trial name
- Re-ACT (NCT07814586)
- Volunteers
- 900 people
- Sponsor
- Karolinska University Hospital
Myocardial Diseases, Perfusion Imaging
Validation of Myocardial Perfusion and Extracellular Volume Assessment Using Photon-Counting Computed Tomography (PCCT) Compared With Cardiac Magnetic Resonance (CMR) in Patients Undergoing Transcatheter Aortic Valve Implantation (TAVI)
Cardiovascular diseases are the leading cause of death worldwide, responsible for about 30% of all deaths. This substantial burden highlights the need for accurate diagnostic tools that help doctors detect heart disease early and…
- Conditions
- Myocardial Diseases, Perfusion Imaging, Stress Perfusion, Myocardial Fibrosis
- Trial name
- NCT07799363
- Testing
- Stress myocardial perfusion imaging with PCCT. Extracellular volume quantification with PCCT.
- Where
- Sweden
- Volunteers
- 100 people
- Sponsor
- Karolinska University Hospital
Critical Illness, Fasting State
Ketosis, Immune Function and Metabolic Adaptation in Response to Short-term Fasting in Critical Illness
KETO-FAST is a pre-planned translational substudy of the FAST-ICU cluster-randomized cross-over trial. The substudy will characterize ketone body production and associated metabolic, autophagy-related, and immune cellular…
- Conditions
- Critical Illness, Fasting State, Ketosis, Nutrition
- Trial name
- KETO-FAST (NCT07738536)
- Testing
- Delayed nutrition, Standard nutrition, Fasting
- Where
- Sweden
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Karolinska University Hospital
Kidney Transplant, DCD Kidney
NRP + ex Situ HMPO2 vs NRP Alone in DCD Kidney Transplantation
The goal of this clinical trial is to learn if the combination of Normothermic Regional Perfusion (NRP) at the time of organ procurement with ex situ Hypothermic Oxygenated Perfusion (HMPO2) of kidneys recovered from donors after…
- Trial name
- OxyPerf (NCT07779187)
- Testing
- Ex situ hypothermic oxygenated machine preservation
- Where
- 3 sites in Sweden
- Volunteers
- 214 people
- Sponsor
- Karolinska University Hospital
Critical Illness, Metabolism and Nutrition Disorder
Endogenous Energy Production in Critically Ill Patients
The aim of this study is to investigate when critically ill patients transition from a non-suppressible catabolism to a normal response to feeding.
- Trial name
- eEPIC (NCT07059988)
- Testing
- Stable isotope tracers, Parenteral nutrition
- Where
- Sweden
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Karolinska University Hospital
Heart Failure, Pathophysiology
Responders and Non-responders in the Management of Heart Failure - Significance of Genetic Influence and Identification of Novel Informative Biomarkers
A biobank within the Swedish national heart failure quality registry SwedeHF.
- Trial name
- Responders (NCT06435585)
- Where
- Sweden
- Volunteers
- 5,000 people
- Sponsor
- Karolinska University Hospital
Red Blood Cell Alloimmunization in Pregnancy, HDFN
Prenatal Blood Typing With Next Generation Sequencing (NGS) - an Implementation Study in HDFN (PREFAB)
Determination of Fetal Blood Group by Next-Generation Sequencing - A Clinical Study in Pregnancies with Maternal Alloantibodies Directed Against Fetal Blood Cells (Alloimmunization During Pregnancy) Maternal antibodies can cross…
- Conditions
- Red Blood Cell Alloimmunization in Pregnancy, HDFN, Next Generation Sequencing (NGS)
- Trial name
- PREFAB (NCT07715214)
- Testing
- NGS analysis for fetal red cell blood type in maternal plasma
- Volunteers
- 750 people
- Sponsor
- Karolinska University Hospital
Cystitis, Radio Induced, Soft Tissue Radionecrosis (STRN)
Soft Tissue Radiation Injury; Patient Reported Evaluation in a Single Centre Cohort Study (STRIPE)
Radiotherapy cures many cancers but can cause late radiation-induced tissue injury (LRTI), leading to long-term symptoms from the bladder and bowel and reduced health-related quality of life (HRQoL).
- Conditions
- Cystitis, Radio Induced, Soft Tissue Radionecrosis (STRN), Radiation Proctitis
- Trial name
- karolinskaUH (NCT07611864)
- Where
- Sweden
- Volunteers
- 1,000 people
- Sponsor
- Karolinska University Hospital
Completed, with results posted
All 7Covid19
COVID-19 Vaccination of Immunodeficient Persons (COVAXID)
The study is designed as an open, non-randomized, phase IV cohort study in which the mRNA vaccine Comirnaty will be given in two doses.
- Trial name
- COVAXID (NCT04780659)
- Testing
- Comirnaty (COVID-19, mRNA vaccine)
- Where
- Sweden
- Volunteers
- 539 people, healthy volunteers welcome
- Sponsor
- Karolinska University Hospital
Rupture, Venous Thromboembolism
Compression Treatment Effects on Complications and Healing of Achilles Tendon Rupture
This prospective randomized study aims to determine whether intermittent pneumatic compression (IPC), 75 patients, beneath functional bracing compared to treatment-as-usual in plaster cast, 75 patients, can reduce the Venous…
- Conditions
- Rupture, Venous Thromboembolism, Venous Thrombosis, Surgical Wound Infection
- Trial name
- NCT01317160
- Testing
- Intermittent pneumatic compression (IPC)
- Where
- Sweden
- Volunteers
- 150 people
- Sponsor
- Karolinska University Hospital
Venous Stasis, Deep Vein Thrombosis
Blood Flow Stimulation in the Lower Limbs by Application of Different External Devices
In this study, four different devices which stimulate the blood in the lower extremities are used in ten healthy persons while measuring the blood flow with ultrasound.
- Trial name
- NCT03420625
- Testing
- Foot IPC, Rapid calf IPC, Slow calf IPC
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Karolinska University Hospital
Carcinoma, Squamous Cell, Adenocarcinoma of the Esophagus and Gastric Cardia
Neoadjuvant Chemotherapy Versus Radiochemotherapy for Cancer of the Esophagus or Cardia
The purpose of this randomized study is to clarify if neoadjuvant radiochemotherapy gives a higher degree of complete histological response than neoadjuvant chemotherapy before surgery in patients undergoing treatment for cancer…
- Trial name
- NeoRes (NCT01362127)
- Testing
- Chemotherapy, Radiochemotherapy
- Where
- Sweden
- Volunteers
- 181 people
- Sponsor
- Karolinska University Hospital
Cystic Fibrosis, Liver Fibrosis
Elastography of the Liver in Cystic Fibrosis Patients. Diagnostic and Prognostic Aspects
The aim of the study is to find CF patients at risk for cystic fibrosis related liver disease (CFLD). Comparison of ultrasound by two modalities and biochemical markers with histological evaluation of liver biopsy if present.
- Trial name
- NCT02603666
- Testing
- Fibroscan
- Volunteers
- 130 people
- Sponsor
- Karolinska University Hospital