Clinical trials: Calcium Disorder
Iatrogenic Hypocalcemia
Usefulness of ICG Angiography-Guided Thyroidectomy for Preserving Parathyroid Function
Transient and/or permanent hypoparathyroidism is the most frequent complication after total thyroidectomy. The identification of the parathyroid glands and a correct dissection during thyroidectomy have been postulated as key…
- Trial name
- GuiArte (NCT05573828)
- Testing
- ICG angiography to show vascular map of parathyroid glands
- Where
- 2 sites in Spain
- Volunteers
- 394 people, healthy volunteers welcome
- Sponsor
- Hospital Universitari de Bellvitge
Dental Caries
Remineralization of Dentine Caries Using Two Remineralizing Agents Which Are Nanosilver Fluoride and Casein phosphopeptides_amorphous Calcium Phosphate
The study is randomized controlled trial ...The null hypothesis suggests that there is no significant difference between nanosilver fluoride and sodium fluoride with Casein phosphopeptides_amorphous calcium phosphate in the…
- Trial name
- NCT04930458
- Testing
- Nanosilver fluoride, Sodium fluoride with casein phosphopeptides amorphous calcium phosphate, Sodium fluoride varnish
- Where
- Iraq
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Osteopenia, Osteoporosis
A Study of Changes in Bone Mineral Density as a Function of Consuming Two Different Forms of Calcium Carbonate
The purpose of this study is to determine whether consuming calcium carbonate that has been micronized is more effective than the traditional form of calcium carbonate in maintaining or increasing bone mineral density in people…
- Trial name
- NCT01857154
- Testing
- Micronized Calcium Carbonate, Non-Micronized Calcium Carbonate, Vitamin D3
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Integrative Health Technologies, Inc.
Necrotic Pulp
Evaluation of Pain Relief and Bacterial Reduction After Using Calcium Hydroxide With Mesoporous Silica Nanoparticles as an Intracanal Medicament in Necrotic Mandibular Molars: A Randomized Controlled Clinical Trial
This study compares how well different root canal medications reduce pain and bacteria after treatment of lower molar teeth with necrotic pulp.
- Trial name
- NCT07327996
- Testing
- Calcium Hydroxide Intracanal medication, mesoporous silica nanoparticles paste, Calcium Hydroxide + mesoporous silica nanoparticles
- Where
- Egypt
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
Salivary Calcium
Salivary Calcium in Post-menopausal Women and Prevalence of Dental Caries
Different phases of a woman's life are puberty, menses, pregnancy, and menopause. Menopause is one of the normal developmental stages in a woman's life, marks the permanent cessation of menstruation.
- Trial name
- NCT05205057
- Testing
- Saliva
- Where
- India
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Ajman University
Intracanal Medication
Effect of Nitrofurantion Used as an Intracanal Medicament
The aim of this study is to clinically evaluate the effect of Nitrofurantion on Intensity of Postoperative Pain and Bacterial Load Reduction, when compared to calcium hydroxide in teeth with necrotic pulp.
- Trial name
- NCT05074628
- Testing
- Nitrofurantoin capsules
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Cairo University
Unspecified Disorder of Bone Density and Structure
Mg Induced Changes From Day 0 to Day 28 on Serum and Urine Bone Metabolic Parameters in 70 y Old Females (no 50).
Calcium and vitamin D substitution has for a long time been used to improve osteoporosis.The main storage place for magnesium is in the bone.
- Trial name
- parathormon (NCT02549521)
- Testing
- Oral magnesium substitution
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Rheumatoid Arthritis, Crohn's Disease
Tumor Necrosis Factor Decreases Vitamin D Dependant Calcium Absorption
This study is a pilot study to determine whether patients with TNFα excess have decreased calcium absorption in response to calcitriol (1,25-dihydroxyvitamin D, the active form of vitamin D) compared to normal controls.
- Trial name
- NCT00427804
- Testing
- calcitriol
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Atlanta VA Medical Center
Multiple Sclerosis
Safety Trial of High Dose Oral Vitamin D3 With Calcium in Multiple Sclerosis
Vitamin D likely plays a role in the geography of Multiple Sclerosis (MS), and patients at risk and with MS have relatively low Vitamin D levels compared to their normal counterparts.
- Trial name
- VitD4MS (NCT00644904)
- Testing
- Vitamin D3
- Where
- Canada
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Prevention of Obesity
The Effect of Protein and Calcium on Weight Change and Blood Lipid Profile
The primary aim is to examine the effect of a high protein intake (from soy or whey protein) on weightmaintenance after weight loss in a group of predisposed (severe) obese persons.
- Trial name
- PROKA (NCT01561131)
- Testing
- Whey protein, Whey protein enriched with calcium, Soy protein
- Where
- Denmark
- Volunteers
- 223 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Dental Plaque, Saliva Altered
Effects of Two Sugar Substituted Chewing Gums on Caries and Gingivitis Variables
The purpose of this study is to determine the effect of three times a day mastication, during a follow-up period of 4 weeks, of two sugar-substituted chewing gums on various factors associated with dental caries and gingivitis.
- Conditions
- Dental Plaque, Saliva Altered, Gingivitis
- Trial name
- NCT01578603
- Testing
- xylitol, casein phosphopeptide amorphous calcium phosphate complex
- Where
- Colombia
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Universidad de Antioquia
Breast Cancer, Breast Cyst
Advanced Ultrasound Signal Processing of Suspicious Breast Images
This study aims to investigate recent developments in ultrasound signal processing to determine if these new techniques can enhance the visibility of important features of interest in breast ultrasound images.
- Conditions
- Breast Cancer, Breast Cyst, Microcalcification
- Trial name
- AUSPICIOUS (NCT07206888)
- Testing
- Imaging
- Where
- United States
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Osteoporosis
Evaluation Of SB-751689 Administered At Supratherapeutic Dose Levels In Healthy Adult Subjects.
This study will evaluate the safety, tolerability and exposure of SB-751689 when administered alone at supratherapeutic doses and when SB-751689 is co administered with ketoconazole, a PGP/CYP3A4 inhibitor that increases exposure…
- Trial name
- NCT00468689
- Testing
- SB-751689 oral tablets (100 and 400 ng), Ketoconazole (NIZORAL) oral tablets (200 mg)
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Diagnoses Disease
Role of Calcium Binding Protein S100A12 in Diagnosis and Prognosis of Kawasaki Disease
Recent studies showed that the value of c100A12 increased in children with Kawasaki disease, and decreased rapidly after treatment with gamma globulin.
- Trial name
- NCT05434611
- Testing
- S100A12
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- The First Affiliated Hospital of Yangtze University
Pulpitis
Vital Pulp Therapy to Treat Irreversible Pulpitis
The purpose of this study is to demonstrate non-inferiority of pulpotomy treatment (with new endodontic bio-materials) as a new treatment with one-visit root canal therapy as reference treatment in pain relief and clinical and…
- Trial name
- VPT (NCT00748280)
- Testing
- One-visit root canal therapy, pulpotomy
- Where
- Iran
- Volunteers
- 615 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Healthy
The Efficacy of Vitamin K2 n Human Osteoporosis, Blood-vessel Calcification and Sclerosis
This study used the generally recognized as safe (GRAS) grade of Bacillus subtilis natto to produce Vitamin K2, Menaquinone-7(MK-7), via fermentation, for functional evaluation.
- Trial name
- NCT01928134
- Testing
- Vit K2+ Vit D3+ calcium carbonate (CaCO3), Vit K2+CaCO3
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Changhua Christian Hospital
Necrotic Pulp, Apical Periodontitis
Effect of Diclofenac Sodium Versus Calcium Hydroxide as Intracanal Medication on the Intensity of Postoperative Pain, Bacterial Load Reduction and MMP-9 Levels in Patients With Necrotic Pulp.
the aim of this study is to compare the effect of using Diclofenac Sodium Versus Calcium Hydroxide as Intracanal medication on intensity of postoperative pain, bacterial load reduction after root canal preparation and periapical…
- Trial name
- NCT05582421
- Testing
- Diclofenac Sodium
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
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
Thyroid Cancer, Parathyroid; Absent
Intra-operative Rapid Identification of Lymph Node and Parathyroid
During surgery, a fine needle puncture was proceeded when suspicious nodes was found by clinician. Repeat the punction for 2-3 times from different orientation and then, Diff-quik staining or PTH immunochromatographic assay were…
- Conditions
- Thyroid Cancer, Parathyroid; Absent, Hypocalcemia, Hypoparathyroidism Postprocedural
- Trial name
- NCT03268785
- Testing
- Intraoperative identification method
- Where
- 2 sites in China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Xijing Hospital
Osteoporosis
Effects of Liposomal Encapsulation on Calcium Powder Absorption and Metabolism
Compared with traditional calcium supplements, liposome calcium can increase the bioavailability of calcium and reduce the waste caused by gastric acid destruction of calcium.
- Trial name
- NCT06372158
- Testing
- Stage 1, Stage 2
- Where
- 2 sites in Taiwan
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- National Yang Ming Chiao Tung University