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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

The Interaction Between Calcium and Vitamin D Intake

NCT00762775
Conditions
Osteoporosis
Interventions
Calcium and vitamin D supplementation
Dietary Supplement
Lead sponsor
Winthrop University Hospital
Other
Eligibility
45 Years to 85 Years · Female only
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Mineola, New York
Conditions
Hypoparathyroidism
Interventions
Palopegteriparatide
Drug
Lead sponsor
Ascendis Pharma A/S
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Morgantown, West Virginia
Conditions
Hypoparathyroidism
Interventions
rhPTH (1-84), Placebo
Biological
Lead sponsor
Shire
Industry
Eligibility
18 Years to 85 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
6
States / cities
Chicago, Illinois • Detroit, Michigan • Rochester, Minnesota + 3 more
Conditions
Breast Cancer, Prostate Cancer, Bone Neoplasms, Hypocalcemia, Hyperparathyroidism, Secondary
Interventions
CTAP101 Capsules
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
6
States / cities
Long Beach, California • Miami, Florida • Evergreen Park, Illinois + 3 more
Conditions
Osteoporosis
Interventions
Parathyroid hormone, Alendronate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
46 Years to 85 Years · Male only
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Osteoporosis
Interventions
teriparatide
Drug
Lead sponsor
Leland Graves III, MD
Other
Eligibility
40 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Hypophosphatemia, Familial, Hyperparathyroidism
Interventions
Paricalcitol, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
9 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Primary Hyperparathyroidism
Interventions
Retrospective Data Review
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Houston, Texas
Conditions
Heart Failure, Vitamin D Deficiency, Cardiomyopathy, Congestive Heart Failure
Interventions
Placebo Comparator: Sugar Pill, Vitamin D3 (cholecalciferol)
Drug
Lead sponsor
Heidi Moretti, MS, RD
Other
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Missoula, Montana
Conditions
Lung, Prostate, Breast, Colon, Pancreatic, Renal, Bladder,Thyroid, Ovarian, Head and Neck,GI (Foregut - Esophagus),GI (Midgut) Cancer, Cancer of the Ovarian, Head and Neck,GI (Foregut - Esophagus),GI (Midgut), Sarcoma Cancer, Cancer of Neuro-onc, Parathyroid, Desmoid Tumors, Melanoma Cancer
Interventions
data collection
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Hyperparathyroidism, Secondary, Kidney Failure, Chronic
Interventions
doxercalciferol
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Chronic Kidney Disease
Interventions
Diet counseling, Phosphorus binder
Other · Drug
Lead sponsor
Salem Veterans Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Salem, Virginia
Conditions
Renal Osteodystrophy
Interventions
doxercalciferol, Cholecalciferol
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 82 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Thyroid Disease, Thyroid Surgery, Parathyroid Gland
Interventions
Parathyroid auto-fluorescence imaging, Indocyanine green
Device · Drug
Lead sponsor
OPTOSURGICAL, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Thyroid Cancer, Thyroid Nodule, Thyroid Neoplasms, Thyroid Goitre, Thyroid Diseases, Parathyroid Diseases, Parathyroid Adenoma, Parathyroid Hyperplasia
Interventions
Acetaminophen 500Mg Cap, Tylenol #3 Oral Tablet, Tramadol
Drug
Lead sponsor
Minerva A Romero Arenas
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Edinburg, Texas
Conditions
Osteoporosis
Interventions
ALX1-11 (drug)
Drug
Lead sponsor
Shire
Industry
Eligibility
45 Years and older · Female only
Enrollment
1,683 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
84
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 75 more
Conditions
Endocrine Disease
Interventions
Data Collection, Follow Up
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
15,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Postmenopausal Osteoporosis
Interventions
ZP-PTH, FORTEO
Drug
Lead sponsor
Zosano Pharma Corporation
Industry
Eligibility
55 Years to 85 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Daytona Beach, Florida
Conditions
Acinar Cell Carcinoma, Adenoid Cystic Carcinoma, Adrenal Cortical Carcinoma, Adrenal Gland Pheochromocytoma, Anal Canal Neuroendocrine Carcinoma, Anal Canal Undifferentiated Carcinoma, Angiosarcoma, Apocrine Neoplasm, Appendix Mucinous Adenocarcinoma, Bartholin Gland Transitional Cell Carcinoma, Basal Cell Carcinoma, Bladder Adenocarcinoma, Breast Metaplastic Carcinoma, Cervical Adenocarcinoma, Cholangiocarcinoma, Chordoma, Colorectal Squamous Cell Carcinoma, Desmoid Fibromatosis, Endometrial Transitional Cell Carcinoma, Endometrioid Adenocarcinoma, Esophageal Neuroendocrine Carcinoma, Esophageal Undifferentiated Carcinoma, Extrahepatic Bile Duct Carcinoma, Extramammary Paget Disease, Fallopian Tube Adenocarcinoma, Fallopian Tube Transitional Cell Carcinoma, Fibromyxoid Tumor, Gallbladder Carcinoma, Gastric Neuroendocrine Carcinoma, Gastric Squamous Cell Carcinoma, Gastric Undifferentiated Carcinoma, Gastrointestinal Stromal Tumor, Gestational Trophoblastic Tumor, Giant Cell Carcinoma, Human Papillomavirus-Independent Cervical Adenocarcinoma, Clear Cell-Type, Intestinal Neuroendocrine Carcinoma, Intrahepatic Cholangiocarcinoma, Lung Neuroendocrine Tumor, Lung Sarcomatoid Carcinoma, Major Salivary Gland Carcinoma, Malignant Neoplasm of Unknown Primary, Malignant Odontogenic Neoplasm, Malignant Peripheral Nerve Sheath Tumor, Malignant Solid Neoplasm, Malignant Testicular Sex Cord-Stromal Tumor, Metastatic Pituitary Neuroendocrine Tumor, Minimally Invasive Lung Adenocarcinoma, Mixed Mesodermal (Mullerian) Tumor, Mucinous Adenocarcinoma, Mucinous Cystadenocarcinoma, Nasal Cavity Adenocarcinoma, Nasal Cavity Carcinoma, Nasopharyngeal Carcinoma, Nasopharyngeal Low Grade Papillary Adenocarcinoma, Nasopharyngeal Undifferentiated Carcinoma, Oral Cavity Carcinoma, Oropharyngeal Undifferentiated Carcinoma, Ovarian Adenocarcinoma, Ovarian Germ Cell Tumor, Ovarian Mucinous Adenocarcinoma, Ovarian Squamous Cell Carcinoma, Ovarian Transitional Cell Carcinoma, Pancreatic Acinar Cell Carcinoma, Pancreatic Neuroendocrine Carcinoma, Paraganglioma, Paranasal Sinus Adenocarcinoma, Paranasal Sinus Carcinoma, Parathyroid Gland Carcinoma, PEComa, Penile Squamous Cell Carcinoma, Peritoneal Mesothelial Neoplasm, Placental Choriocarcinoma, Primary Peritoneal High Grade Serous Adenocarcinoma, Pseudomyxoma Peritonei, Rare Disorder, Scrotal Squamous Cell Carcinoma, Seminal Vesicle Adenocarcinoma, Seminoma, Serous Cystadenocarcinoma, Small Intestinal Adenocarcinoma, Small Intestinal Squamous Cell Carcinoma, Spindle Cell Neoplasm, Teratoma With Somatic-Type Malignancy, Testicular Non-Seminomatous Germ Cell Tumor, Thyroid Gland Carcinoma, Tracheal Carcinoma, Transitional Cell Carcinoma, Ureter Adenocarcinoma, Ureter Squamous Cell Carcinoma, Urethral Adenocarcinoma, Urethral Squamous Cell Carcinoma, Vaginal Adenocarcinoma, Vaginal Squamous Cell Carcinoma, Not Otherwise Specified, Vulvar Carcinoma
Interventions
Biospecimen Collection, Computed Tomography, Echocardiography Test, Ipilimumab, Magnetic Resonance Imaging, Nivolumab
Procedure · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
798 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1006
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 620 more
Conditions
Vitamin D Insufficiency, Secondary Hyperparathyroidism
Interventions
CTAP101 Capsules
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cypress, California
Conditions
Osteoporosis
Interventions
Low protein diet
Other
Lead sponsor
Yale University
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Renin-Angiotensin-Aldosterone System and Parathyroid Hormone Control: The RAAS-PARC Study

NCT01691781
Conditions
Hyperparathyroidism
Interventions
Lisinopril
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Hypoparathyroidism
Interventions
open-label PTH(1-84)
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 85 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
End-Stage Renal Disease
Interventions
exposure to a high-calcium dialysate bath
Procedure
Lead sponsor
James B. Wetmore, MD
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Kansas City, Kansas