Clinical trials: immunohistochemistry staining method
Diabetes Mellitus Arising in Pregnancy, Insulin-Requiring, Diabetes Mellitus in Pregnancy
Comparative Effects of Metformin and Insulin on Stereological Studies and Immunohistochemistry of Placenta
Diabetes mellitus is a group of metabolic disorder characterized by high blood glucose level mainly due to defect in insulin secretion or resistance.
- Trial name
- NCT04907708
- Testing
- Metformin, Insulin
- Where
- Pakistan
- Volunteers
- 156 people, healthy volunteers welcome
- Sponsor
- University of Karachi
Pre-eclampsia, Pre-Term
Study of Pregnancy Pathologies Associated With Placental Abnormalities
Pregnancy pathologies can occur from implantation until childbirth. The investigators are interested in the development mechanisms of these pathologies and aim to develop therapies to treat them.
- Conditions
- Pre-eclampsia, Pre-Term, Fetal Growth Retardation
- Trial name
- NCT05188066
- Testing
- Histology
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Graft Vs Host Disease, Graft Versus Host Disease
Cellular Stress Reactions During Graft-versus-host Disease
This study has the aim to analyze intestinal expression of cellular stress molecules in patients with intestinal GVHD. Patients with colitis and patients without intestinal inflammation will serve as controls.
- Trial name
- NCT04558788
- Testing
- Immunohistochemistry on intestinal biopsies
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Freiburg
Endometrial Hyperplasia, Endometrial Adenocarcinoma
Diagnostic and Prognostic Value of PTEN Expression in Functional and Pathological Endometrial Biopsies
endometrial hyperplasia may progress to endometrial adenocarcinoma. the exact possibility of such progression is not determined.
- Trial name
- NCT04873206
- Testing
- routine stain by H&E.
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Sohag University
Periodontitis
Effect of Periodontitis on the Quality and Quantity of Leukocyte- and Platelet-Rich Fibrin (L-PRF)
Periodontitis is a chronic inflammatory disease that destroys the supporting tissues of the teeth and may also increase systemic inflammatory burden.
- Trial name
- NCT07693725
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Suleyman Demirel University
Sensitive Skin
TRPV Expression in Subjects With Sensitive Skin
Sensitive skin syndrome is defined as the presence of burning, itching or any other unpleasant sensation on the skin, due to physical, chemical or psychological factors.
- Trial name
- NCT01871883
- Testing
- Skin biopsy, Oral mucosa specimen
- Where
- Mexico
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universidad Autonoma de San Luis Potosí
Giant Cell Arteritis, Polymyalgia Rheumatica
Assessing Biomarker in Giant Cell Arteritis and Polymyalgia Rheumatic
The GCAIO study is an innovative, multimodal research initiative designed to enhance the understanding, diagnosis, and management of giant cell arteritis (GCA) and frequently associated polymyalgia rheumatica (PMR).
- Trial name
- GCAIO (NCT06460142)
- Testing
- Aortic/ cardiac magnetic resonance imaging, Vascular ultrasound, Transorbital Ultrasound
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Bonn
Breast Cancer Female
Vascular Supply Identification, Lesion Extension and Search for Tumor Similarity at a Distance by VTM in Breast Cancer
When we talk about early identification, we are talking about an ALREADY EXISTING INJURY, triggering a change in the patient's quality of life and a projection of future costs for the health system.
- Trial name
- NCT06045572
- Testing
- VTM examination and breast biopsy
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Galzu Institute of Research, Teaching, Science and Applied Technology
Cephalosporin Allergy, Non-immediate Drug Reactions
Skin Testing and ELISPOT Assay in Patients With a History of Non-Immediate Reactions to Cephalosporins
This study aims to compare the results of skin testing and ELISPOT assay in patients with a history of non-immediate reactions to cephalosporins
- Trial name
- NCT01248377
- Testing
- Skin tests and ELISPOT assay
- Where
- Thailand
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Chulalongkorn University
Wrinkle, Rhytides
Healing Study of Fractional Skin Resurfacing and Tissue Histopathology After Ellacor Treatment
The goal of this study is to observe the healing of skin after ellacor® treatment at different timepoints, depths and coring densities.
- Conditions
- Wrinkle, Rhytides, Histopathology
- Trial name
- NCT06502470
- Testing
- ellacor® Micro-Coring procedure
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Cytrellis Biosystems, Inc.
Covid19, Fertility Issues
Prospective Two-arm Study of Fertility in Men With COVID-19
COVID-19 infection is hypothesized to have a potentially negative effect on male fertility through direct damage to the testes. The current trial is aimed at investigating the effect of SARS-CoV-2 on fertility and determining if…
- Trial name
- NCT04716179
- Testing
- Sperm test, hormone levels (testosterone, FSH, LH, prolactin), SARS-CoV-2 Ig G levels
- Where
- Russia
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- I.M. Sechenov First Moscow State Medical University
Stage III Colorectal Cancer
Genetic and Epigenetic Determinants of Response to Fluorouracil-based Adjuvant Chemotherapy in Patients With Stage III Colorectal Cancer
The goal of this laboratory research is to look for genetic and epigenetic markers that can predict which patients with stage III colorectal cancer will benefit from fluorouracil-based adjuvant chemotherapy.
- Trial name
- NCT03127111
- Testing
- Gene mutations analysis, Gene methylation analysis, Gene expression analysis
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Renmin Hospital of Wuhan University
Periodontitis, Periodontal Diseases
Epithelial Mesenchymal Transition and Periodontitis
Periodontitis is a chronic inflammatory disease results is destruction of the attachment apparatus of the teeth and ultimately tooth loss.
- Conditions
- Periodontitis, Periodontal Diseases, Epithelial-Mesenchymal Transition, Transcription Factors
- Trial name
- NCT05403164
- Testing
- Modified Widman flap, Gingivectomy
- Where
- Iraq
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Chronic Myeloproliferative Disorders, Leukemia
Flu Vaccine in Preventing Influenza Infection in Healthy Volunteers and in Patients Who Have Undergone Stem Cell Transplant
RATIONALE: Studying immune response to flu vaccine in patients who have undergone a stem cell transplant may help doctors plan the best treatment.
- Conditions
- Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm
- Trial name
- NCT00964821
- Testing
- trivalent influenza vaccine, Immunoenzyme technique, Laboratory biomarker analysis
- Where
- 2 sites in United States
- Volunteers
- 459 people, healthy volunteers welcome
- Sponsor
- City of Hope Medical Center
IBD
Intestinal Epithelial Fucosylation Affects the Efficacy of Ustekinumab in Crohn's Disease
The loss of response rate of ustekinumab(UST) is high, and the specific mechanism has not yet been elucidated. Molecular markers that can accurately predict the efficacy of UST are urgently needed to provide theoretical basis for…
- Trial name
- NCT06203158
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
COVID-19, Placenta Diseases
Angiogenic Factors in the Placentas of Women With COVID-19
Aim: There have been few studies since the beginning of the pandemic researching the histopathologies and conducting molecular investigations of the placentas of SARS-CoV-2 positive pregnant women.
- Conditions
- COVID-19, Placenta Diseases, Angiogenesis
- Trial name
- NCT06644521
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Manisa Celal Bayar University
Oral Lichen Planus, Oral Squamous Cell Carcinoma
Molecular Mechanisms of the Development of Precancerous and Cancerous Lesions of the Oral Cavity
The aim of this study was to examine molecular alterations on the protein level in lesions of oral lichen planus (OLP), oral squamous cell carcinoma (OSCC) and healthy mucosa.
- Trial name
- NCT03026361
- Testing
- global proteomic profiling
- Where
- Croatia
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- University of Zagreb
Wound Healing
Wound Healing in Healthy Volunteers
The skin plays a critical role in protection where it acts as a barrier from damage and pathogens between the external and internal environments.
- Trial name
- NCT03433820
- Testing
- Observation of wound healing
- Where
- Netherlands
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Centre for Human Drug Research, Netherlands
Obese, Normal Body Weight
Cold Induced Changes in White Adipose
An adaptation to a cold environment is a tendency to generate heat within our body. Some of this heat comes from our fat tissue.
- Conditions
- Obese, Normal Body Weight, Prediabetes, Metabolic Syndrome
- Trial name
- NCT02596776
- Testing
- Fat biopsy, Propranolol and fat biopsy, heavy water and fat biopsy
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Philip Kern
Oral Lichen Planus
Expression of miRNa-138 and Cyclin D1 in Oral Mucosa of Patients With Oral Lichen Planus
60 individuals were subdivided into 2 groups, 30 patients with oral lichen planus, 30 control individuals. Expression of miRNA-138 and cyclin D1 were evaluated in oral mucosa utilizing Quantitative real-time polymerase chain…
- Trial name
- NCT02834520
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo University