Phase 2 N=1,553 Studies of Elevated Parathyroid Activity
Hyperparathyroidism · Hypercalcemia · Parathyroid Neoplasm
Primary: Type of Hyperparathyroidism — 90; 276; 19; 61 Participants
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Completed trials with posted results — search by concept, filter by the parameters that matter at the bedside.
Phase 3 N=68 Bone Properties in Hypoparathyroidism: Effects of PTH
Hypoparathyroidism
Primary: Requirements for Calcium Supplementation — 3.03; 1.66 grams per day of calcium supplementation
N/A N=20 Suspected Deficient Activation of Vitamin D in Patients With Secondary Hyperparathyroidism
Secondary Hyperparathyroidism
Primary: The Level of Activated Vitamin D (1,25-dihydroxyvitamin D) After Parathyroid Hormone Infusion at Baseline, 4 and 8 Hours — 40.6; 46.2; 39.8; 58.8 pg/ml — p=0.1
N/A N=4 Anti-3-[18F]FACBC Imaging of Parathyroid Adenomas
Parathyroid Disease
Primary: Detection Rate of Parathyroid Adenomas of Anti-3-[18F]FACBC Modality — 80 percentage of adenomas detected
Phase 3 N=46 Treatment of Primary Hyperparathyroidism With Denosumab and Cinacalcet.
Primary Hyperparathyroidism · Parathyroid Adenoma · Parathyroid Hyperplasia
Primary: Change in Lumbar Spine Bone Mineral Density — 0.030; 0.042; -0.016 g/cm^2 — p=< 0.00001
Phase 3 N=114 Treatment of Autonomous Hyperparathyroidism in Post Renal Transplant Recipients
Chronic Allograft Nephropathy · Chronic Kidney Disease · Chronic Renal Failure
Primary: Percentage of Participants With a Mean Corrected Total Serum Calcium Value < 10.2 mg/dL (2.55 mmol/L) During the Efficacy Assessment Phase (EAP) — 3.5; 78.9 percentage…
Phase 2 N=27 Treatment of Hypoparathyroidism With Synthetic Human Parathyroid Hormone 1-34
Hypoparathyroidism
Primary: Serum Calcium Level — 2; 1.92 mmol/liter
Phase 4 N=9 Vitamin D Repletion in Primary Hyperparathyroidism
Primary Hyperparathyroidism · Vitamin D Deficiency
Primary: Serum Parathyroid Hormone (PTH) Level
Early Phase 1 N=11 7 Day Continuous Parathyroid Hormone IV Infusion
Osteoporosis · Bone Diseases, Endocrine · Hyperparathyroidism
Primary: Participants With Dose Limiting Toxicity — 0; 2 participants
Phase 3 N=46 Effect of Vitamin D Treatment in Primary Hyperparathyroidism
Vitamin D Deficiency · Primary Hyperparathyroidism · Hypercalcemia
Primary: Decrease in Preoperative P-PTH — -2.2; 0.2 pmol/l
Phase 3 N=98 18F-Fluorocholine for the Detection of Parathyroid Adenomas
Hyperparathyroidism, Primary
Primary: Proportion of True Positives for the Overall Detection of the Abnormal Parathyroid Adenoma — 0.75 proportion of participants
Phase 2 N=10 PTH-independent Effects of Encaleret
Post-Surgical Hypoparathyroidism
Primary: Percent Change in Fractional Excretion of Calcium (FECa) — -39 percentage of change
Phase 3 N=124 Use of NPSP558 in the Treatment of Hypoparathyroidism
Hypoparathyroidism
Primary: The Percentage of Subjects Who Met the Triple Efficacy Endpoint Criteria at Week 24. — 2.5; 54.8 percentage of participants — p=<0.001
Phase 2 N=80 Parathyroid Hormone (PTH) for Osteoporosis in Postmenopausal Women
Postmenopausal Osteoporosis · Osteoporosis
Primary: Changes in Indices of Bone Turnover — 4418; 3696; 956; 822 months*(ng/ml - baseline ng/ml)
Phase 2 N=23 The Role of Parathyroid Hormone (PTH) in Low Bone Mass in Anorexia Nervosa
Anorexia Nervosa · Osteoporosis
Primary: Percent Change in Lumbar Spine Bone Mineral Density — 5.6; 0.2 percentage of change — p=< 0.01
Phase 4 N=39 A Study of Extended Use of Recombinant Human Parathyroid Hormone (rhPTH(1-84)) in Hypoparathyroidism
Chronic Hypoparathyroidism · Hypoparathyroidism
Primary: Change From Baseline (402) in Concentration of Albumin-corrected Serum Calcium (ACSC) at Month 6 — -0.005 Millimole per liter (mmol/L)
Phase 4 N=110 Paricalcitol Versus Calcitriol for Efficacy and Safety in Stage 3/4 Chronic Kidney Disease (CKD) With Secondary Hyperparathyroidism (SHPT)
Secondary Hyperparathyroidism · Chronic Kidney Disease
Primary: Confirmed Hypercalcemia — 3; 1 participants — p=0.36
Phase 3 N=41 Evaluating Alternative Medical Therapies in Primary Hyperparathyroidism
Primary Hyperparathyroidism
Primary: Change in Parathyroid Hormone Levels — 4.0; -3.7; 0.8 pg/mL — p=0.84
Phase 2 N=54 Study for Secondary Hyperparathyroidism in Chronic Renal Insufficiency Patients
Secondary Hyperparathyroidism · Chronic Renal Insufficiency
Primary: Reduction in Mean iPTH of ≥ 30% During the Efficacy Assessment Phase — 15; 5 Participants — p=0.006
Phase 4 N=93 A Study to Learn if Recombinant Human Parathyroid Hormone [rhPTH(1-84)] Can Improve Symptoms and Metabolic Control in Adults With Hypoparathyroidism (BALANCE)
Hypoparathyroidism
Primary: Change From Baseline in Hypoparathyroidism Symptom Diary (HypoPT-SD) Symptom Subscale Score at Week 26 — -0.93; -1.46 score on a scale — p==0.003
Phase 4 N=65 A Pilot Clinical Study Evaluating the Effect of Parathyroid Hormone (PTH) Lowering On Erythropoietin Consumption in Calcitriol-Resistant Patients
Moderate to Severe Secondary Hyperparathyroidism · Stage 5 Chronic Kidney Diseases
Primary: Mean Erythropoietin Dose Per Visit — 35.8; 22.2; 22.7; 4.7 µg
N/A N=79 Efficacy and Safety of Ultrasonic Ablation to Treat Secondary Hyperparathyroidism in Chronic Kidney Disease Patients
Hyperparathyroidism · Disorders of Parathyroid Gland
Primary: Rate of Achieving the Target on Blood Intact Parathyroid Hormone Level According to Kidney Development Improvement Global Outcome (KDIGO) Guidelines. — 30.8; 57.1; 90.0…
Phase 2 N=20 Comparing Pump With Subcutaneous Injection Delivery of PTH 1-34 in the Management of Chronic Hypoparathyroidism
Hypoparathyroidism · Hypocalcemia · Autoimmune Polyendocrine Syndrome Type 1
Primary: Mean Serum Calcium in Children and Young Adults — 2.02; 1.88 mmol/liter — p=0.02
Early Phase 1 N=14 One Week Parathyroid Hormone-related Protein (PTHrP) IV Dose Escalation Study
Osteoporosis · Humoral Hypercalcemia of Malignancy · Hyperparathyroidism
Primary: Dose Limiting Toxicity (DLT) — 0; 0; 2; 2 participants
Phase 3 N=30 Sevelamer and Secondary Hyperparathyroidism in Chronic Kidney Disease
Hyperparathyroidism · Chronic Kidney Disease
Primary: Fractional Change in [PTH] in CKD After a 4-week Course of Sevelamer Carbonate — -11.7; 16.4 percentage of baseline [PTH]
Phase 3 N=216 Evaluate Safety and Efficacy of Paricalcitol in Reducing Serum Intact Parathyroid Hormone in Chronic Kidney Disease
Chronic Kidney Disease
Primary: The Achievement of Two Consecutive Greater Than or Equal to 30% Decreases From Baseline Intact Parathyroid Hormone Levels — 93; 57; 12; 45 participants
Phase 3 N=33 Effectiveness of Paricalcitol in Reducing Parathyroid Hormone (PTH) Levels in X-linked Hypophosphatemic Rickets
Hypophosphatemia, Familial · Hyperparathyroidism
Primary: Area Under the Curve for Parathyroid Hormone (PTHauc) Measurement — 1223; 1449; 987; 1616 nlEq*26hr/ml — p=0.007
Phase 3 N=51 A Open-label Study Investigating the Safety and Tolerability of NPSP558, a Recombinant Human Parathyroid Hormone (rhPTH [1-84]), for the Treatment of Adults With Hypoparathyroidism - A Clinical Extension Study (RACE)
Hypoparathyroidism
Primary: Number of Participants With Treatment Emergent Adverse Event (TEAE) and Treatment Emergent Serious Adverse Event (TESAE) — 13; 48 Participants
N/A N=41 The Renin-Angiotensin-Aldosterone System and Parathyroid Hormone Control: The RAAS-PARC Study
Hyperparathyroidism
Primary: Parathyroid Hormone Following 1 Week of ACE Inhibitor Administration — 70.9; 32.5 pg/mL — p=0.049
Phase 2 N=7 A Study to Determine the Effects of NPSP795 on the Calcium-sensing Receptor in Subjects With Autosomal Dominant Hypocalcemia as Measured by PTH Levels and Blood Calcium Concentrations
Autosomal Dominant Hypocalcemia (ADH)
Primary: Number of Participants With Treatment Emergent Adverse Events (TEAEs) and Treatment Emergent Serious Adverse Events (TESAEs) — 3; 1 participants