Not applicable- observational study: Clinical Trials

69 trials of Not applicable- observational study, newest first

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31 recruiting, 17 not yet recruiting, 10 completed, 8 enrolling by invitation. .

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Tick up to 5 trials to compare them side by side (eligibility, arms, endpoints, adverse events) in a Literature Matrix.

TrialPhaseStatusSponsorEnrollmentStartUpdated
A Prospective Multicenter Registry Study of Sedation and Analgesia in Critically Ill Patients
Not applicable- observational study - Sedation, Analgesia Assessment
Enrolling by invitationBeijing Chao Yang Hospital20002027-01-012026-10-21
Neurovascular Unit for Aged Patients With Geriatric Care and Evaluation of Factors Associated With Autonomy Loss
Not applicable- observational study - Stroke
Not yet recruitingHospices Civils de Lyon35002026-12-152026-09-04
Biopsychosocial Risk Influences on the Development and Generation of Early-Onset Chronic Pain
Not applicable- observational study - Juvenile Idiopathic Arthritis (JIA), Fibromyalgia
RecruitingChildren's Hospital Medical Center, Cincinnati6002026-10-012026-10-16
Real-World Study of BCL-2 Inhibitor-Based Regimens in Chronic Lymphocytic Leukemia
Not applicable- observational study - CLL / SLL
RecruitingThe First Affiliated Hospital with Nanjing Medical University3002026-10-012026-10-14
RESET-COPD Cohort: Real-Time Monitoring and Early Warning in COPD Patients Receiving Home NPPV
Not applicable- observational study - Pulmonary Disease, Chronic Obstructive (COPD), Chronic Respiratory Failure With Hypercapnia
RecruitingBeijing Chao Yang Hospital2502026-09-292026-10-19
Physician and Patient Preferences for Cell Therapies in Advanced Solid Tumors
Not applicable- observational study - Solid Tumors
RecruitingZhejiang University10202026-09-012026-09-10
Hospital-Based Prospective Cohort of Malnutrition Under 6-Month Study (HOSPIC-6-Study)
Not applicable- observational study - Malnutrition, Infant, Malnutrition
RecruitingUniversitas Indonesia17802026-08-282026-10-20
Pacritinib Effectiveness in Real-world Settings
Not applicable- observational study - Myelofibrosis (MF)
RecruitingSwedish Orphan Biovitrum602026-08-132026-10-21
Effect of Patient Anxiety Level Prior to Undergoing ERCP and Procedure Tolerability and Outcomes.
Not applicable- observational study - Anxiety, Biliary and Pancreatic Diseases
Not yet recruitingMandip Rai2002026-08-012026-07-13
Specimen and Data Collection in South Carolina Medicaid-Enrolled Patients With Type 2 Diabetes (T2D) and Metabolically Healthy Controls
Not applicable- observational study - Type 2 Diabetes, Healthy (Controls)
RecruitingGuardian Research Network, Inc.12002026-08-012026-08-18
Pneumonia After Cardiovascular Surgery With Artificial Intelligence
Not applicable- observational study - Hospital Acquired Pneumonia
RecruitingTomsk National Research Medical Center of the Russian Academy of Sciences7002026-07-292026-08-11
Sepsis in Critically Ill Patients
Not applicable- observational study - Sepsis
Enrolling by invitationBeijing Chao Yang Hospital24002026-06-302026-07-16
Pupillary Light Reflex to Predict Post-Spinal Hypotension in Elective Cesarean Delivery
Not applicable- observational study - Hypotension, Spinal Anesthesia
RecruitingAl-Azhar University2002026-06-282026-10-16
Emotional Distress and Pathologic Response in Locally Advanced Gastric/GEJ Adenocarcinoma
Not applicable- observational study - Gastric Adenocarcinoma, Gastroesophageal Junction Adenocarcinoma
Not yet recruitingWest China Second University Hospital1202026-06-262026-06-23
Objective Sleep Characteristics and Neoadjuvant Immunotherapy Response in Gastric/GEJ Cancer
Not applicable- observational study - Gastric Adenocarcinoma, Gastroesophageal Junction Adenocarcinoma
Not yet recruitingWest China Second University Hospital1202026-06-262026-06-23
Prediction of Age-Related Hearing Loss Based on Comprehensive Risk Factors
Not applicable- observational study - Age-related Hearing Loss
Not yet recruitingChinese PLA General Hospital10002026-06-012026-05-29
Management of Age-Related Auditory Decline and Early Warning of Its Co-occurring Dementia
Not applicable- observational study - Age-related Hearing Loss, Dementia
Not yet recruitingChinese PLA General Hospital30002026-05-252026-05-27
Survival Outcomes of Residual Disease in Triple-Negative Breast Cancer
Chemo-radiotherapy alone, Not applicable- observational study - Triple-Negative Breast Cancer (TNBC)
CompletedSohag University1002026-05-012026-07-20
Acute Kidney Injury in Critically Ill Patients
Not applicable- observational study - Acute Kidney Injury
Enrolling by invitationBeijing Chao Yang Hospital236002026-05-012026-06-17
Precision Antithrombotic Therapy
Not applicable- observational study - Non-valvular Atrial Fibrillation (NVAF), Venous Thromboembolism (VTE)
Enrolling by invitationThe Third Xiangya Hospital of Central South University50002026-05-012026-06-17

Showing 20 of 69. Sign in to see all of them.

Conditions studied

Acute Kidney Injury (2)  ·  Anxiety Disorders (2)  ·  Arthritis, Juvenile (2)  ·  Breast Neoplasms (2)  ·  Cognitive Dysfunction (2)  ·  Dementia (2)  ·  Hypotension (2)  ·  Ischemic Stroke (2)  ·  Malnutrition (2)  ·  Pain (2)  ·  Patient Compliance (2)  ·  Presbycusis (2)  ·  Pulmonary Disease, Chronic Obstructive (2)  ·  Recurrence (2)  ·  Sepsis (2)

Sponsors

Beijing Chao Yang Hospital (6)  ·  Universitas Indonesia (3)  ·  Chinese PLA General Hospital (2)  ·  Fudan University (2)  ·  Hacettepe University (2)  ·  Hospices Civils de Lyon (2)  ·  Peking Union Medical College Hospital (2)  ·  Tata Memorial Hospital (2)  ·  West China Hospital (2)  ·  West China Second University Hospital (2)  ·  Akrivia Health (1)  ·  Al-Azhar University (1)  ·  Amgen (1)  ·  Anhui Provincial Cancer Hospital (1)  ·  Aristotle University Of Thessaloniki (1)

Countries

China (26)  ·  United States (8)  ·  Canada (3)  ·  Indonesia (3)  ·  Italy (3)  ·  Turkey (Türkiye) (3)  ·  United Kingdom (3)  ·  Egypt (2)  ·  France (2)  ·  India (2)  ·  Spain (2)  ·  Germany (1)  ·  Greece (1)  ·  Mozambique (1)  ·  Russia (1)

Top investigators

Dr. Supriya Chopra, MD (2)  ·  Alla A. Boshchenko, MD, PhD, DSc (1)  ·  Chris McDermott, MBChB, FRCP, PhD (1)  ·  Elin Siira, PhD (1)  ·  Francesco Menzella, Medicine and Surgery (1)  ·  Liam Knox, PhD (1)  ·  Luigi Ferini-Strambi, MD (1)  ·  Matthew Vopat, MD (1)  ·  Michael Rosen, MD (1)  ·  Nicolas Benech, Dr (1)  ·  Nikolaos Economides (1)  ·  Prof. James Walters (1)  ·  Raman Garcha, MD (1)

Results publications

PMID 11094595, PMID 12032019, PMID 15554749, PMID 20455872, PMID 31679478, PMID 31899551, PMID 34502070, PMID 34517770, PMID 34545401, PMID 35107055, PMID 35241632, PMID 35451009, PMID 35676801, PMID 35718838, PMID 36477996, PMID 36834829, PMID 37362461, PMID 38293908, PMID 38514190, PMID 39897318, PMID 40297209, PMID 42081738, PMID 42496183, PMID 42567544, PMID 9038450

NIH funding

2025 (1), R43DA060696 (1), UC2AR086503 (1)