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NCT07233889
The purpose of this clinical trial is to evaluate the efficacy and safety of Sodium Dihydrogen Phosphate and Disodium Hydrogen Phosphate Granules for the treatment of participants with mild, moderate, and severe hypophosphatemia. The main questions it aims to answer are: Does enteral supplementation of Sodium Dihydrogen Phosphate and Disodium Hydrogen Phosphate Granules elevate participants' serum phosphorus? Does enteral supplementation of Sodium Dihydrogen Phosphate and Disodium Hydrogen Phosphate Granules cause gastrointestinal complications? Participants with hypophosphatemia will receive Sodium Dihydrogen Phosphate and Disodium Hydrogen Phosphate Granules orally or via nasogastric tube to observe the efficacy and safety of enteral phosphate supplementation. Participants will take Sodium Dihydrogen Phosphate and Disodium Hydrogen Phosphate Granules daily, with varying doses based on the severity of hypophosphatemia, for a maximum of 14 days. The effect of phosphate supplementation will be assessed daily through blood draws, and their gastrointestinal symptoms will be recorded.
NCT03745521
Through observation of patients with X-linked hypophosphatemic rickets/osteomalacia (XLH) for up to 10 years, the study intends to collect data that allow achievement of the following objectives: 1. To determine medical characteristics of the disease and the disease process 2. To determine physical and psychological burden on patients as well as economic burden 3. To assess the efficacy and safety of the treatment of the disease
NCT06754670
Hypophosphatemia is a common phenomenon in the ICU, and several retrospective studies have shown that hypophosphatemia is associated with prolonged mechanical ventilation in ICU patients. However, the specific mechanism and causal relationship are not clear. Previous studies have shown that phosphate infusion improves the contraction of the diaphragm induced by exogenous electrical stimulation, but the effect of hypophosphatemia and phosphate supplementation on the pathophysiology in decannulated patients on mechanical ventilation has not been confirmed. The study group hypothesized that hypophosphatemia affects neural conduction function and muscle contraction by affecting ATP synthesis. Correcting hypophosphatemia may improve respiratory muscle strength and potentially improve diaphragmatic neural conduction, ultimately improving the patient's neuromuscular conversion efficiency and facilitating discharge. 1. The attending physician evaluates the patient's ventilator condition daily and meets the disconnection criteria (spontaneous breathing, RSBI \< 105 (min\*ml)-1, stable hemodynamics: norepinephrine or epinephrine ≤ 0.1μg/kg/min, PEEP ≤ 8cmH2O, FiO2 ≤ 50%, no increase in ventilator support conditions in the past 24 hours, PS 10cmH2O, MAAS score 2-4, pH ≥ 7.30, discontinuation of all sedative medications). After signing an informed consent form, a diaphragm electromyography (EEG) catheter is placed. (The diaphragm EEG catheter is a gastric tube with diaphragm electromyography monitoring function, with the same placement process and risks as a regular gastric tube. There is a small probability of complications such as nasal mucosal damage.) 2. Start CPAP disconnection: Adjust the ventilator PS 10 → 0 cmH2O, and keep the other conditions unchanged. Collect ventilator parameters, diaphragm electromyography (EAdi) parameters, and diaphragm ultrasound parameters at 0, 1, 3, 5, 10, 20, and 30 minutes after the trial begins, and collect the maximum EAdi and diaphragm ultrasound during quiet state. 3. Simultaneously monitor blood inorganic phosphorus, and divide the patients into two groups: the low phosphorus group (\<0.8mmol/L) and the control group (0.8-1.4 mmol/L). Low phosphorus patients receive intravenous phosphate supplementation according to the clinical phosphate supplementation protocol at our center \[1-5\]: patients with blood phosphorus \< 0.4mmol/L receive 40mmol of glycerol phosphate sodium intravenously via infusion or injection over 4-6 hours; patients with blood phosphorus 0.4-0.8mmol/L receive 30mmol of glycerol phosphate sodium intravenously via infusion or injection; Normal phosphorus patients do not require any special treatment. 4. 24h after the first CPAP offline, patients in both groups repeated the CPAP offline process, collected related parameters, and measured blood inorganic phosphorus.
NCT03775187
Individual patient expanded access requests may be considered for patients who have no other treatment options
NCT04188964
A Phase 1/2, Open-label, Multicenter, Non-randomized Study to Assess the Safety, Tolerability, Pharmacokinetics and Efficacy of Burosumab in Paediatric Patients from Birth to Less than 1 Year of Age with X-linked Hypophosphatemia (XLH)
NCT04842032
The purpose of this study is to assess the safety, pharmacokinetics and efficacy of KRN23 in pediatric Chinese patients with XLH
NCT02537431
The primary objective of this study is to establish the effect of KRN23 treatment on improvement in XLH-associated osteomalacia as determined by osteoid volume (osteoid volume/bone volume, OV/BV).
NCT01571596
The primary purpose of this study is to assess the safety and efficacy of repeated subcutaneous (SC) injections of KRN23 in adult subjects with X-Linked Hypophosphatemia (XLH).
NCT02750618
The primary objectives of the study are to: * Establish the safety profile of KRN23 for the treatment of XLH in children between 1 and 4 years old * Determine the PD effects of KRN23 treatment on serum phosphorus and other PD markers that reflect the status of phosphate homeostasis in children between 1 and 4 years old with XLH
NCT06112236
The aim of this study is to generate evidence regarding hypophosphatemia after iron infusion in lung transplant recipients in context of anemia and/or iron deficiency.
NCT06067932
This study aimed to characterize foot pathologies using X-rays and clinical examination and assess related outcome scores in adolescents and adults with X-linked Hypophophatemia
NCT03489993
Hereditary hypophosphatemia encompasses rare genetic conditions characterized by renal phosphate wasting. Increased circulating levels of fibroblast growth factor 23 (FGF23), a key regulator of phosphorus metabolism, are critical to the pathophysiology of these diseases, most notably in X-linked hypophosphatemia (XLH). Increased FGF23 induces hypertrophy and scarring in the heart in part via stimulating the traditional renin-angiotensin system (RAS) pathway, angiotensin-converting enzyme (ACE)/angiotensin (Ang ll), particularly in patients with chronic kidney disease, but the effect of FGF23 on the heart in patients with FGF23-related hypophosphatemic diseases is unknown. In addition, the relationship between FGF23 and the angiotensin-converting enzyme 2 (ACE2)/angiotensin-(1-7) (Ang-(1-7) pathway of the RAS is unknown. The objective of this study is to describe the relationship between FGF23, which causes low phosphorus levels, and components of the RAS in the blood and urine to help the investigators understand why the disease occurs and how to better treat it. Subjects will be identified by querying the Electronic Medical Record according to medical diagnosis. Thirty subjects, 2-24 years of age, will be recruited from the tertiary care Pediatric Endocrinology and Pediatric Nephrology clinics at Brenner Children's Hospital. Inclusion criteria include a confirmed diagnosis of hereditary FGF23-related hypophosphatemia. Clinical data will be obtained from the Electronic Medical Record. Each subject will undergo study assessments at baseline, 6 months and 1 year that include blood work, an echocardiogram, and blood pressure measurements. The primary hypothesis is that subjects with higher Ang-(1-7) levels have lower rates of cardiac hypertrophy and thus are protected against high FGF23 levels. The secondary hypothesis is that subjects with higher Ang-(1-7) levels have lower systolic blood pressure.
NCT04872907
This study is a prospective, randomized, single-blind, split-mouth, national multicenter trial, comparing the efficacy of a self-etch adhesive system combined (SAM) with a flowable composite to that of a fluoride varnish for the prevention of spontaneous dental abscesses in children with XLH. For each patient, according to randomization, one side of the oral cavity is treated with the experimental treatment (application of the adhesive system to healthy anterior and posterior temporary teeth, and application of the flowable composite to healthy posterior temporary teeth), and the other side with the active comparator (fluoride varnish). The application process for both treatments is similar and will be renewed every 6 months (visits at 6, 12, 18 and 24 months) systematically for the SAM and the varnish, and in case of partial or total loss of the composite.
NCT01011114
The purpose of the study is to determine whether cinacalcet, used in patients with secondary hyperparathyroidism to control excessive parathyroid hormone, can normalize low blood phosphorus that is commonly seen in patients who have had a kidney transplant.
NCT04519762
The current study aimed to determine the incidence of hypophosphatemia (HP) among severe sepsis/septic shock patients admitted to ICU and its impact on morbidity and mortality rates of these patients, and to evaluate the impact of phosphorous supplemental therapy (PST) on such outcomes.Thus, this study will hypothesize that diagnosis and management of HP may be advantageous for reduction of morbidity and mortality rates of septic patients admitted to ICU.
NCT04455113
Patients with severe sepsis/septic shock complicated by hypophosphatemia are at high risk of developing morbidities other than that underlying sepsis and more vulnerable to higher mortality rate. Thus, the current study hypothesized that diagnosis and management of hypophosphatemia may be advantageous for reduction of morbidity and mortality rates of septic patients admitted to ICU
NCT03581591
A 52 week, open label trial to assess the safety and efficacy of KRN23, an investigational antibody to FGF23, in a single pediatric patient with Epidermal Nevus Syndrome(ENS) and associated hypophosphatemic rickets A 26 weeks extension to original study to monitor patient lab results for her safety.
NCT03529058
Retrospective study in the 3 intensive care units of the Brest Teaching Hospital (France) during a 18-months period (June 2014 -December 2015) to study the independent association between hypophosphatemia and 90-day mortality.