Clinical trials: Calcium Disorder
Apical Periodontitis
Effect of Use of Calcium Hydroxide and Metformin Intracanal Medicament After NSRCT
Goal of this randomized clinical trial is evaluate the effect of Calcium Hydroxide and Metformin Intracanal Medicament on periapical healing after NSRCT.
- Trial name
- NCT06766201
- Testing
- Metformin
- Where
- India
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Magnesium Deficiency, Calcium Metabolism Disorders
How Does Magnesium Status Influence Calcium Homeostasis?
The investigators aim to recruit 60 women who have agreed to participate in an existing randomized, double-blind, placebo-controlled trial (Treatment of Vitamin D Insufficiency, HSC 2009-0055).
- Trial name
- NCT01593501
- Testing
- vitamin D3
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Osteoporosis, Bone Loss
Dairy Foods Compared to Dietary Supplements and Bone Health
Does the consumption of dairy foods reduce the rate of bone loss in older women more than calcium and vitamin D supplements.
- Conditions
- Osteoporosis, Bone Loss, Osteopenia
- Trial name
- FL-83 (NCT01394484)
- Testing
- Intervention I, Intervention II
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Pulp Exposure, Dental
Biodentine Vital Pulpotomy in Immature Molars
This study aimed to evaluate the clinical and radiographic success of pulpotomy in cariously exposed vital immature first permanent molars using calcium hydroxide and calcium silicate-based material (Biodentine ™).
- Trial name
- NCT04989036
- Testing
- pulpotomy
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Cairo University
Vitamin D Deficiency
Treatment of Vitamin D Insufficiency
The purpose of this study is to answer the following questions: Does vitamin D increase calcium absorption, bone mass and muscle mass and function in women past menopause who have mildly low vitamin D levels? Do these benefits…
- Trial name
- NCT00933244
- Testing
- High Dose Vitamin D3, Low Dose Vitamin D3
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Calcium Metabolism
Comparison of Calcium Metabolism in Caucasian and Asian Postmenopausal Women of Chinese Descent and the Use of Strontium as a Qualitative Marker of Calcium Metabolism
This study aims to: 1) quantitatively assess parameters of bone calcium balance in healthy postmenopausal Asian women of Chinese descent; 2) assess possible ethnic differences in calcium metabolism by direct comparison of…
- Trial name
- NCT02565602
- Testing
- Ca-41(isotope tracer), Sr-84 (isotope tracer), Vitamin D
- Where
- Singapore
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Hypocalcemia
Preoperative Vitamin D for Post-thyroidectomy Hypocalcemia
The purpose of this study is to determine if pre-operative vitamin D supplementation lowers the incidence of post-operative transient or permanent hypoparathyroidism in patients undergoing total thyroidectomy.
- Trial name
- NCT01609439
- Testing
- Vitamin D
- Where
- Canada
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Alberta
Pulp Necroses
Revascularization of Immature Anterior Necrotic Teeth
The object of this study is to compare the effect of Calcium Hydroxide and Di-antibiotic paste as intracanal disinfectants in the 1st visit of revascularization of necrotic immature permanent anterior teeth.
- Trial name
- NCT03504332
- Testing
- intracanal disinfection in revascularization
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Cairo University
Active Root Caries, Over Sixty-five Years of Age
Treatment of Root Caries in an Older Irish Population.
This study will involve filling teeth which have decay on their roots with three different filling materials. Patients will attend Cork University Dental School and hospital for a clinical examination and to complete a…
- Conditions
- Active Root Caries, Over Sixty-five Years of Age, >=Two Carious Root Surfaces Per Patient
- Trial name
- NCT01866059
- Testing
- Calcium silicate cement, Glass Ionomer Cement, Resin Modified Glass Ionomer Cement
- Where
- Ireland
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University College Cork
Insulin Resistance, Insulin Sensitivity
Calcium, Vitamin D and Metformin to Treat Insulin Resistance in Obese African American Adolescent Females
This is a feasibility study to examine the treatment with Metformin, vitamin D with calcium supplement for insulin resistance in obese, black, female teens.
- Conditions
- Insulin Resistance, Insulin Sensitivity, Obesity, Vitamin D Deficiency
- Trial name
- NCT01107808
- Testing
- Calcium and Vit D, Metformin, Vit D and Calcium
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Pulpitis
MMP-9 Expression in Permanent Mature Teeth With Symptomatic Pulpitis
Matrix metallopeptidase-9 (MMP-9) expression was compared in healthy and inflamed pulp and the outcome of coronal pulpotomy in teeth with symptomatic pulpitis was assessed.
- Trial name
- NCT03807674
- Testing
- Coronal pulpotomy
- Where
- Lithuania
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Eglė Gvazdaitytė
Osteoporosis
The Interaction Between Calcium and Vitamin D Intake
We will study the relative importance of high calcium intake and vitamin D supplementation for calcium homeostasis, as determined by serum parathyroid hormone (PTH) and biochemical bone markers.
- Trial name
- PTH Modified (NCT00762775)
- Testing
- Calcium and vitamin D supplementation
- Where
- United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Winthrop University Hospital
Osteoporosis, Sarcopenia
Does Potassium Bicarbonate Improve the Effect of Dietary Protein on Bone and Muscle?
The purpose of this study is to examine whether adding the basic salt potassium bicarbonate to the diet will have a positive effect on how dietary protein affects your bone and muscle.
- Trial name
- NCT00730184
- Testing
- potassium bicarbonate
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Tufts University
Osteoporosis, Osteopenia
Encouraging Calcium Absorption and Bone Formation During Early Puberty
Increasing bone mass during puberty can ultimately decrease the risk of developing osteoporosis, which causes bones to weaken and break more easily later in life.
- Trial name
- NCT00022867
- Testing
- Nondigestible oligosaccharide (NDO)
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Contraception
Study of Treatment With the Combination of Drospirenone Plus Ethinyl Estradiol Plus Levomefolate Calcium in Mexican Women Seeking Contraception
The objective of this study is to compare the red blood cell (RBC) and plasma concentrations of folate in subjects treated with drospirenone (DRSP)/ethinyl estradiol (EE) plus levomefolate calcium (L-5-MTHF) at 24 weeks with…
- Trial name
- NCT01902264
- Testing
- EE20/DRSP/L-5-MTHF (Beyaz, BAY98-7071)
- Where
- Mexico
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Bayer
Periapical Periodontitis, Root Canal Infection
Antibacterial Efficacy of Bioceramic and Calcium Hydroxide Intracanal Medicaments
This study evaluates the antibacterial effectiveness of two different intracanal medicaments, Bio-C Temp and UltraCal XS , in mandibular molar teeth with chronic apical periodontitis.
- Conditions
- Periapical Periodontitis, Root Canal Infection, Intracanal Medicaments
- Trial name
- NCT07671326
- Testing
- Root canal treatment with Bio-C Temp, a calcium silicate-based bioceramic intracanal medicament, Root canal treatment with UltraCal XS, a calcium hydroxide-based intracanal medicament
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Medipol University
Nephrolithiasis
Mature Vinegar Prophylaxis Against Recurrent Calcium Oxalate Nephrolithiasis
Kidney stones are one of the most common disorders of the urinary tract and cause a great deal of morbidity and economic loss. Because of the high recurrence rate, researchers are interested in finding medicinal therapies to…
- Trial name
- NCT03092908
- Testing
- mature vinegar
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The First Affiliated Hospital of Guangzhou Medical University
Necrotic Pulp, Acute Apical Periodontitis of Pulpal Origin
Clinical Efficacy of Novel Jasminum-based Calcium Hydroxide Medicament
A triple-blind, parallel group, randomized trial with an allocation ratio of 1:1. Participants randomly allocated into two groups A and B.
- Trial name
- NCT06653608
- Testing
- Nano-reinforced calcium hydroxide medicament, Calcium hydroxide without nanoparicles
- Where
- Pakistan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Pakistan Institute of Medical Sciences
Male Infertility
A Novel Sperm Selection Method Provides Advantages Over Conventional Approaches
The goal of this clinical trial is to know if a novel sperm selection device (CA0) has a similar performance than the standard selection method in teratozoospermic and azoospermic men.
- Trial name
- NCT06545318
- Testing
- Density Gradient Centrifugation, CA0 chamber
- Where
- Mexico
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Center of Innovation Technology & Reproductive Medicine
Dentin Sensitivity
Clinical Efficacy in Relieving Dentin Hypersensitivity of Nanohydroxyapatite-Containing Toothpastes and Cream
This study will investigate the effectiveness of nanohydroxyapatite (nano-HAP)-containing toothpastes and cream to relieve dentin hypersensitivity, comparing it with those of a commercial desensitizing dentifrice containing…
- Trial name
- NCT02918617
- Testing
- Control toothpaste containing Novamin® technology, Control toothpaste containing 1500 ppm fluoride as MFP, Test toothpaste with nano-HAP (high concentration)
- Where
- United States
- Volunteers
- 203 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio