Clinical trials: Case-Control Studies
Vitiligo
Human Beta-defensin 1 in Vitiligo
There is a need to know the role of human beta defensin-1 in vitiligo pathogenesis and the probability of finding newer and effective therapy for vitiligo in the future.
- Trial name
- NCT03832751
- Testing
- skin biopsy before and after NB-UVB phototherapy
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Cairo University
REM Sleep Behavior Disorder
Familial Aggregation and Biomarkers in REM Sleep Behaviour Disorder.
In this cohort study, the investigators aim to study the familial aggregation of REM sleep behavior disorder (RBD) and compare the differences in major biomarkers of neurodegeneration, including percentage of EMG activity during…
- Trial name
- NCT03660982
- Where
- Hong Kong
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Mycosis Fungoides
Estimation of the Tissue and Serum Levels of Interleukin (IL) -35 in Mycosis Fungoides: a Case Control Study
Tissue and serum samples from 20 MF patients and 20 normal healthy controls will be subjected for biochemical assessments by ELISA (Enzyme- linked immune-sorbent assay) for assessing the level of IL35.
- Trial name
- NCT05855460
- Testing
- Skin biopsy
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Fetal Growth Restriction, Placenta
Placental Progesterone Membrane Receptors in Fetal Growth Restriction
This prospective observational case-control study aims to compare placental expression levels of progesterone membrane receptors, including PGRMC1, PGRMC2, and PAQR family receptors, among pregnancies affected by impaired fetal…
- Conditions
- Fetal Growth Restriction, Placenta, Progesterone Membrane Receptor, PGRMC1
- Trial name
- NCT07701837
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Samsun University
Patellar Tendinitis, Fatigue
Landing Biomechanics Following Fatigue in Athletes With and Without a History of Patellar Tendinopathy
In this case-control study, two- and three-dimensional landing biomechanics, by means of lower limb joint angles and moments (opto-electronic system with synchronised force plate), will be compared between 30 male…
- Trial name
- NCT04339569
- Testing
- Biomechanical analysis, Fatigue protocol
- Where
- Belgium
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Ghent
Peri-implantitis
Expression of Epithelial-Mesenchymal Transition Associated Markers in Peri-implant Tissues
Peri-implantitis is an inflammation of bacterial etiology characterized by inflammation of mucous membranes and bone loss around the dental implant.
- Trial name
- NCT05832541
- Where
- Iraq
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Systemic Lupus Erythematosus
Long-term Immunogenicity of a HPV Vaccine in SLE
To study the 5-year immunogenicity against a quadrivalent HPV vaccine in patients with SLE and healthy controls.
- Trial name
- NCT02477254
- Testing
- Vaccination
- Where
- China
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Tuen Mun Hospital
Tinnitus, Acupuncture
Efficacy of Acupuncture on Chronic Tinnitus and Its Association With Auditory Brainstem Response Measures
The goal of this clinical trial is to learn if acupuncture works to treat chronic tinnitus in adults. It will also learn about the neurophysiological effects of acupuncture on auditory conduction pathway function.
- Conditions
- Tinnitus, Acupuncture, Auditory Brainstem Response
- Trial name
- NCT07522567
- Testing
- Acupuncture
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- The Third Affiliated hospital of Zhejiang Chinese Medical University
Periodontitis, Periodontal Health
Detection And Quantification of Eubacterium Saphenum and Porphyromonas Gingivalis In Periodontal Health and Disease
This case-control study will be conducted between January and June 2026 and will include 148 participants aged over 30 years to investigate differences between individuals with periodontitis (n = 111) and those with periodontal…
- Trial name
- A Case-Control (NCT07579338)
- Testing
- Microbiological sampling After recording the clinical periodontal parameters, subgingival biofilm samples were collected. After selecting the sampling site, it was isolated with cotton rolls to keep i
- Where
- Iraq
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Sarah Al-Rihaymee
Shoulder Pain Chronic, Core Strength
Investigation of Core Muscle Strength in Patients With Unilateral Rotator Cuff Injury
Located in the middle of the kinetic chain system, the core muscles are the regions where forces are generated and transferred to the extremities of the body.
- Trial name
- NCT06689826
- Where
- Turkey (Türkiye)
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Ahi Evran University Education and Research Hospital
Colorectal Cancer; Gut Microbiota Dysbiosis
Intestinal Flora Differences Between Colorectal Cancer Patients and Healthy Individuals
This observational case-control study aims to compare the composition of intestinal microbiota between colorectal cancer (CRC) patients and healthy individuals.
- Trial name
- NCT06875648
- Testing
- Not applicable (observational study)
- Where
- China
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Hansung University
Preterm Labor
Maternal Serum Osteopontin Levels in Pregnant Women Diagnosed With PPROM
Preterm prelabor rupture of membranes (PPROM) is defined as the rupture of the fetal membranes prior to the onset of labor and before 37 weeks of gestation; it occurs in approximately 2-3% of all pregnancies and accounts for a…
- Trial name
- OPN (NCT07626385)
- Testing
- SERUM OSTEOPONTİN
- Where
- Turkey (Türkiye)
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Batman Training and Research Hospital
Colorectal Cancer, Breast Cancer
Case Control Study to Identify Modifiable Risk Factors for Colorectal and Breast Cancer in Nigeria
This project is a case-control study which seeks to identify modifiable risk factors for breast and colorectal cancer in Nigeria.
- Trial name
- NCT05044689
- Testing
- Questionnaire, Bioimpedance/Body Composition Unit
- Where
- Nigeria
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Obafemi Awolowo University Teaching Hospital
Shoulder Pain
Central and Peripheral Sensitization, and Pain Contributing Factors in Shoulder Pain Patients and Healthy People
Compared to healthy subjects, central and peripheral sensitization will be investigated in patients with non-specific shoulder pain, since no data is available at the moment.
- Trial name
- NCT05360589
- Where
- Italy
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- University of Turin, Italy
Ebola Virus Disease
REVIVE (Response to the Ebola Virus Vaccine)
This study is a vaccine-related clinical trial which will be conducted by our study team at Kenema Government Hospital (KGH)'s Viral Hemorrhagic Fever Program in collaboration with Tulane University School of Medicine.
- Trial name
- NCT05992480
- Testing
- rVSVDG-ZEBOV-GP Ebola Virus Vaccine (ERVEBO)
- Where
- Sierra Leone
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tulane University
Long COVID, Post-COVID-19 Condition
Mitochondrial Function in Peripheral Blood Mononuclear Cells, Muscle, and Skin of Long COVID Patients
Mitochondria are structures inside cells that are responsible for producing energy from nutrients through a series of steps, using oxygen.
- Trial name
- MitoLoCo (NCT07134673)
- Where
- Belgium
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Endometriosis, Endometriosis-related Pain
Metabolomic Profile in Women With and Without Endometriosis
The pathogenesis of endometriosis is very complex as several factors, including genetic, environmental and lifestyle-related factors, are involved in the development, progression and maintenance of the disease.
- Conditions
- Endometriosis, Endometriosis-related Pain, Infertility
- Trial name
- METABOLENDO (NCT05496218)
- Testing
- Blood samples
- Where
- Italy
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Acetabular Labrum Tear, Ultrasound Exams
A Prospective Case-control Clinical Study of the Ultrasound Imaging Reporting and Data System for Diagnosis of Anterosuperior Acetabular Labral Tears
The goal of this clinical trial is to develop an ultrasonic imaging reporting and data system for diagnosis of anterosuperior acetabular labral tears (ALT).
- Conditions
- Acetabular Labrum Tear, Ultrasound Exams, Diagnostic Imaging, Models
- Trial name
- NCT06744192
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Yi Mao
Parkinson's Disease
Genetic Polymorphism and Parkinson's Disease in Taiwanese
To observe and analyze the correlation between Single Nucleotide polymorphisms (SNPs) and the incidence of Parkinson's disease in Taiwanese.
- Trial name
- NCT01996878
- Where
- Taiwan
- Volunteers
- 334 people, healthy volunteers welcome
- Sponsor
- Changhua Christian Hospital
Ventral Hernia, Umbilical Hernia
Case-control Study of Mesh-infection After a Size Tailored Hernia Repair With C-Qur V-Patch
Ventral hernias, such as umbilical, epigastric and trocar-site hernias, are best repaired with abdominal wall reinforcement by mesh implantation.
- Conditions
- Ventral Hernia, Umbilical Hernia, Epigastric Hernia, Trocar-site Hernia
- Trial name
- Re-SITUP (NCT01761708)
- Testing
- primary ventral hernia repair with mesh
- Where
- Belgium
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Algemeen Ziekenhuis Maria Middelares