Clinical trials: Osteoprotegerin
Pulmonary Disease, Chronic Obstructive
Osteoprotegerin (OPG) in Induced Chronic Obstructive Pulmonary Disease (COPD) Sputum
Evaluation of OPG level as disease markers has also been reported. It has been showed that patients with coronary artery disease had higher serum OPG levels than healthy volunteers.
- Trial name
- NCT00655954
- Testing
- Induced sputum
- Where
- United Kingdom
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Periodontal Disease, Gingivitis and Periodontal Diseases
Salivary Biomarkers in Periodontal Disease Progression
This study aims to evaluate salivary biomarkers associated with bone remodeling during the transition from periodontal health to disease.
- Conditions
- Periodontal Disease, Gingivitis and Periodontal Diseases, Periodontitis
- Trial name
- PERIO-BIO (NCT07661784)
- Testing
- Saliva Sampling
- Where
- Turkey (Türkiye)
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Suleyman Demirel University
Pain Perception, Root Resorption
The Potential Effect of the Local Administration of Vitamins C and E on Orthodontic Treatment: A Randomized Clinical Trial
Brief Summary of the Study This study investigates the effects of locally administered vitamins C and E on orthodontic tooth movement during the initial stage of treatment.
- Conditions
- Pain Perception, Root Resorption, Rate of Orthodontic Tooth Movement, Biomarkers
- Trial name
- NCT06847880
- Testing
- 1: Vitamin C Supplementation, Vitamin E Supplementation, Saline Solution (Control)
- Where
- 3 sites in Iraq
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
RETT Syndrome With Proven MECP2 Mutation
Osteoporosis in RETT Syndrome
Based on our clinical observations, many girls with RETT syndrome, a severe neuro-developmental encephalopathy, suffer from osteoporosis which can appear at a very early age (before age 10) and can lead to fractures, pain and a…
- Trial name
- OSRETT (NCT02110797)
- Testing
- biological markers and evaluation of the mineral density at the lumber spine using DEXA
- Where
- France
- Volunteers
- 98 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Type 2 Diabetes
Simvastatin Reduces Circulating Osteoprotegerin Levels in Patients With Type 2 Diabetes
Diabetes is associated with dyslipidaemia leading to generalized atherosclerosis, cardiovascular disease (CVD) and nephropathy. Osteoprotegerin (OPG), a glycoprotein involved in bone homeostasis, has been implicated in the…
- Trial name
- NCT00471549
- Testing
- Statin (simvastatin)
- Volunteers
- 18 people
- Sponsor
- University of Aarhus
Chronic Kidney Failure, Inflammation
Vascular Calcification's Risk Factors in Haemodialysis Patients
A not randomized , cross sectional study will be done to determine the possible association of coronary artery calcification (CAC) score assessed by multirow spiral computed tomography (MSCT) with specific and non specific uremic…
- Conditions
- Chronic Kidney Failure, Inflammation, Vascular Calcification
- Trial name
- NCT00694824
- Where
- Italy
- Volunteers
- 253 people
- Sponsor
- IRCCS Azienda Ospedaliero-Universitaria di Bologna
Vitamin D Deficiency, Vascular Calcification
Effects of Cholecalciferol on Osteoprotegerin Levels in Patients on Peritoneal Dialysis
Aim: To investigate whether cholecalciferol (4800 U/daily) or placebo for 16 weeks reduces proteins levels associated with vascular calcification (osteoprotegerin, osteopontin, osteocalcin) in patients treated with peritoneal…
- Conditions
- Vitamin D Deficiency, Vascular Calcification, Renal Insufficiency, End Stage Renal Failure on Dialysis
- Trial name
- NCT02598635
- Testing
- Cholecalciferol
- Where
- Mexico
- Volunteers
- 58 people
- Sponsor
- Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Chronic Apical Periodontitis
Adjunctive Oral Probiotics in Endodontic Retreatment: Effects on Postoperative Pain and RANKL/OPG Levels
This study aimed to evaluate the effect of oral administration of probiotics as an adjunctive treatment to local intracanal medicaments, namely propolis and calcium hydroxide or empty canal, on the levels of receptor activator of…
- Trial name
- RANKL/OPG (NCT07683520)
- Testing
- Linex Adult®, Ca(OH)2 as intracanal medicament, propolis intracanal medication
- Where
- Egypt
- Volunteers
- 72 people
- Sponsor
- Ain Shams University
Type 2 Diabetes Mellitus
Metformin and Pioglitazone Effects on Fetuin-A and Osteoprotegrin Concentrations in Type 2 Diabetes Patients
Oral hypoglycemic agents, along with dietary modification and exercise encompass the mainstay of treatment in early stages of T2DM.
- Trial name
- NCT02027103
- Testing
- Metformin, Pioglitazone
- Where
- Iran
- Volunteers
- 102 people
- Sponsor
- Tehran University of Medical Sciences
Periodontitis (Stage 3)
Er,Cr:YSGG Laser in Smokers With Stage III Periodontitis
Periodontitis is an inflammatory disease that affects the tissues supporting the teeth. If the disease progresses, it can cause loss of the tissues and bone around the teeth and lead to the formation of deep spaces, called…
- Trial name
- NCT07851584
- Testing
- Nonsurgical Periodontal Therapy, Nonsurgical Periodontal Therapy + Er,Cr:YSGG Laser
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people
- Sponsor
- Okan University
Malocclusion
The Regulation of Osteoprotegerin by Mechanical Stimulation
To test whether levels of OPG can be changed during orthodontic treatment. Alveolar bone samples will be collected from partially impacted third molars after orthodontic uprighting for different period of time in volunteers.
- Trial name
- NCT00155311
- Testing
- orthodontic treatment
- Where
- Taiwan
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Mandibular Fractures
Assessment of Serum Concentration of Interleukin-17 and Osteoprotegerin in Response to Surgical Trauma Induced by Management of Mandibular Fractures Via Intraoral Versus Extraoral Approaches: Prospective Cohort Study
Assessment of Serum Concentration of Interleukin-17 and Osteoprotegerin in Response to Surgical Trauma Induced by Management of Mandibular Fractures via Intraoral Versus Extraoral Approaches: Prospective Cohort Study
- Trial name
- NCT06349135
- Testing
- Open Reduction & Internal Fixation
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Aya Ayman Ahmed
Chronic Periodontitis
Osteoprotegerin Before and After Periodontal Surgery
The study hypothesis: Is Osteoprotegerin a diagnostic and/or prognostic marker of periodontal disease?
- Trial name
- NCT02160613
- Testing
- Open flap debridement
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Periapical; Infection
Effect of Calcium Silicate Based Root Canal Medicament on Inflammatory Mediators
Calcium hydroxide is generally preferred in endodontics as an intracanal medicament because of its antimicrobial and biological effects. However, the antimicrobial effect of calcium hydroxide is limited.
- Trial name
- NCT06307678
- Testing
- Calcium Hydroxide, Calcium Silicate
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Ataturk University
Periodontitis (Stage 3)
Effects of Non-Surgical Periodontal Treatment on Inflammatory and Bone Markers in Periodontitis Patients
The goal of this study is to learn how a standard treatment called Scaling and Root Planing (SRP) affects specific biochemical markers in people with advanced gum disease (periodontitis).
- Trial name
- GPNMB-PERIO St (NCT07475013)
- Testing
- Scaling and Root Planing (SRP)
- Where
- Turkey (Türkiye)
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Saglik Bilimleri Universitesi
Malocclusion
Relationship Between Malocclusion Severity and Periodontitis Risk
The goal of this observational study is to examine the potential relationship between the severity of orthodontic malocclusion and the risk of developing periodontitis in individuals by evaluating salivary and gingival crevicular…
- Trial name
- NCT07127744
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Chronic Periodontitis
Changes of GCF Levels of RANKL and Osteoprotegerin in Postmenopausal Osteoporosis
The investigators evaluated the effect of initial periodontal treatment on clinical findings and receptor activator of Nuclear Factor-kappa B ligand (RANKL) and osteoprotegerin (OPG) in gingival crevicular fluid (GCF) of patients…
- Trial name
- NCT02808988
- Testing
- periodontal phase 1 therapy, gingival crevicular fluid collection, zoledronic acid
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Ondokuz Mayıs University
Renal Failure, Hemodialysis
OPG and RANKL Plasma Level After Administration of Unfractionated Heparin (UFH) and Low-Molecular-Weight Heparin (LMWH) in Hemodialysis
A randomised, prospective, cross over study will be done to determine whether the anticoagulation therapy with UFH or LMWH used for hemodialysis sessions modifies osteoprotegerin and RANKL plasma levels.
- Trial name
- NCT00669721
- Testing
- law molecular weigth heparin, unfractioned heparin
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- IRCCS Azienda Ospedaliero-Universitaria di Bologna
Chronic Periodontitis, Aggressive Periodontitis
Effect of Surgical Therapy on RANKL/OPG (Osteoprotegerin) System
In the present clinical study including chronic, aggressive periodontitis and healthy individuals, the investigators aimed to determine the RANKL, osteoprotegrin (OPG), Interleukin-1 (IL-1β), IL-10, IL-1β levels in gingival…
- Conditions
- Chronic Periodontitis, Aggressive Periodontitis, RANKL/OPG Ratio, Gingival Crevicular Fluid
- Trial name
- NCT02190773
- Where
- Turkey (Türkiye)
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Saliva, Cortisol
Comparison of Saliva Biomarkers in Two Different Geographical Regions of Turkey
Periodontitis is a multifactorial, chronic inflammatory disease caused by many factors such as pathogenic microorganisms, host response, environmental and systemic factors.
- Conditions
- Saliva, Cortisol, Smoking, Tobacco, Periodontal Bone Loss
- Trial name
- NCT06809439
- Testing
- Non-Surgical Intervention, Saliva Collection (Baseline), Probing
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- Karabuk University