CALCIUM CITRATE ANHYDROUS

US Approved OTC

First marketed in 1921

Details

Stereochemistry	ACHIRAL
Molecular Formula	2C6H5O7.3Ca
Molecular Weight	498.433
Optical Activity	NONE
Defined Stereocenters	0 / 0
E/Z Centers	0
Charge	0

SHOW SMILES / InChI

Structure Search

SMILES

[Ca++].[Ca++].[Ca++].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O.OC(CC([O-])=O)(CC([O-])=O)C([O-])=O

InChI

InChIKey=FNAQSUUGMSOBHW-UHFFFAOYSA-H

InChI=1S/2C6H8O7.3Ca/c2*7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h2*13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;/q;;3*+2/p-6

HIDE SMILES / InChI

Description
Sources: http://www.globalrph.com/calcium_supplements.htm | https://www.ncbi.nlm.nih.gov/pubmed/26265479http://apps.who.int/iris/bitstream/10665/43579/1/9789241530729_eng.pdfhttps://www.drugs.com/inactive/calcium-phosphate-dibasic-anhydrous-463.html
Curator's Comment: description was created based on several sources, including https://www.fda.gov/Food/IngredientsPackagingLabeling/GRAS/SCOGS/ucm260884.htm | http://www.webmd.com/drugs/2/drug-159847/calcium-phosphate-dibasic-oral/details

Anhydrous dibasic calcium phosphate is a calcium salt of phosphoric acid. It is used as a diluent in pharmaceutical industry, in some toothpastes as a polishing agent. Calcium phosphate is generally recognized as safe by FDA. Dibasic calcium phosphate is ised as a supplement to treat conditions associated with calcium deficit, such as bone loss (osteoporosis), weak bones (osteomalacia/rickets), decreased activity of the parathyroid gland (hypoparathyroidism), and a certain muscle disease (latent tetany)

Originator

Approval Year

Conditions

Condition	Modality	Highest Phase	Product
Unknown 2578
Hypocalcemia 75 Sources: http://www.globalrph.com/calcium_supplements.htm	Primary	Not Provided 504	Unknown Approved Use Unknown
Chronic obstructive pulmonary disease 174 Sources: https://www.ncbi.nlm.nih.gov/pubmed/26265479	Palliative	Phase I 428	Unknown Approved Use Unknown
Cystic fibrosis 120 Sources: https://clinicaltrials.gov/ct2/show/NCT01543191	Palliative	Phase I 428	Unknown Approved Use Unknown
Unknown 2578
Hypocalcemia 75 Sources: https://www.drugs.com/mmx/calcium-phosphate-dibasic.html	Primary	Approved 8429	Unknown Approved Use Hypocalcemia, chronic (treatment) — Oral calcium supplements provide a source of calcium ion for treating calcium depletion occurring in conditions such as chronic hypoparathyroidism, pseudohypoparathyroidism, osteomalacia, rickets, chronic renal failure, and hypocalcemia secondary to the administration of anticonvulsant medications. When chronic hypocalcemia is due to vitamin D deficiency, oral calcium salts may be administered concomitantly with vitamin D analogs. However, calcium phosphate should not be used in patients with hypoparathyroidism or renal failure, since phosphate levels may be too high and giving more phosphate would exacerbate the condition. Calcium supplements should not be used in hyperparathyroidism, unless the need for a calcium supplement is high and the patient is carefully monitored. For treatment of hypocalcemia, supplementation is preferred

PubMed

Title	Date	PubMed
Studies on the calcemic effect of intravenous secretin in humans.	1975 Jun	1220513
C-reactive protein in the hemolymph of Achatina fulica: interrelationship with sex steroids and metallothionein.	2000 Apr	10840224
Oim mice exhibit altered femur and incisor mineral composition and decreased bone mineral density.	2000 Aug	10913914
Regulation of Na/K-ATPase beta1-subunit gene expression by ouabain and other hypertrophic stimuli in neonatal rat cardiac myocytes.	2000 Dec	11204457
Effect of ADP and ionic strength on the kinetic and motile properties of recombinant mouse myosin V.	2000 Feb 11	10660602
Neuropeptide Y (NPY) potentiates phenylephrine-induced mitogen-activated protein kinase activation in primary cardiomyocytes via NPY Y5 receptors.	2000 Feb 15	10660688
NAIP interacts with hippocalcin and protects neurons against calcium-induced cell death through caspase-3-dependent and -independent pathways.	2000 Jul 17	10899114
Hepatocyte growth factor disrupts cell contact and stimulates an increase in type 3 inositol triphosphate receptor expression, intracellular calcium levels, and apoptosis of rat ovarian surface epithelial cells.	2000 Jun	10963052
Polyoxygenated dysidea sterols that inhibit the binding of [I125] IL-8 to the human recombinant IL-8 receptor type A.	2000 May	10843593
Effects of a calcimimetic compound and naturally activating mutations on the human Ca2+ receptor and on Ca2+ receptor/metabotropic glutamate chimeric receptors.	2000 Nov	11089548
Inhibition of proteolysis by a cyclooxygenase inhibitor, indomethacin.	2000 Nov	11071371
Calmodulin kinases II and IV and calcineurin are involved in leukemia inhibitory factor-induced cardiac hypertrophy in rats.	2000 Nov 10	11073891
High-calcium diet enhances vasorelaxation in nitric oxide-deficient hypertension.	2000 Sep	10993766
Chemokines induce eosinophil degranulation through CCR-3.	2000 Sep	10984371
ATP induces dephosphorylation of myosin light chain in endothelial cells.	2000 Sep	10942722
Pilocarpine-induced status epilepticus causes N-methyl-D-aspartate receptor-dependent inhibition of microsomal Mg(2+)/Ca(2+) ATPase-mediated Ca(2+) uptake.	2000 Sep	10936204
Characterization of the human cysteinyl leukotriene 2 receptor.	2000 Sep 29	10851239
Ca2+-induced contraction of cat esophageal circular smooth muscle cells.	2001 Apr	11245615
Dantrolene inhibition of ryanodine receptor Ca2+ release channels. Molecular mechanism and isoform selectivity.	2001 Apr 27	11278295
Expression and functional analysis of chemokine receptors in human peripheral blood leukocyte populations.	2001 Apr 7	11298490
Metal ion-independent association of factor VIII subunits and the roles of calcium and copper ions for cofactor activity and inter-subunit affinity.	2001 Aug 28	11513607
Potent inhibition of NFAT activation and T cell cytokine production by novel low molecular weight pyrazole compounds.	2001 Dec 21	11592964
The transient receptor potential protein homologue TRP6 is the essential component of vascular alpha(1)-adrenoceptor-activated Ca(2+)-permeable cation channel.	2001 Feb 16	11179201
Extracellular calcium-sensing receptor is expressed in rat hepatocytes. coupling to intracellular calcium mobilization and stimulation of bile flow.	2001 Feb 9	11071898
Functional expression and characterization of a voltage-gated CaV1.3 (alpha1D) calcium channel subunit from an insulin-secreting cell line.	2001 Jul	11435619
Aluminum toxicity alters the regulation of calbindin-D28k protein and mRNA expression in chick intestine.	2001 Jul	11435522
Endothelin- and sarafotoxin-induced receptor-mediated calcium mobilization in a clonal murine osteoblast-like cell line, MC3T3-E1/B.	2001 Jun	11425647
Mechanisms of regulation of agonist efficacy at the 5-HT(1A) receptor by phospholipid-derived signaling components.	2001 Jun	11356925
Vasopressin-stimulated Ca2+ spiking in vascular smooth muscle cells involves phospholipase D.	2001 Jun	11356622
[Acute renal failure caused by hypercalcemia].	2001 Jun 10	11464680
Cloning and characterization of a novel human histamine receptor.	2001 Mar	11181941
RGS4 inhibits platelet-activating factor receptor phosphorylation and cellular responses.	2001 Mar 27	11297424
Regression of ventral striatum hypometabolism after calcium/calcitriol therapy in paroxysmal kinesigenic choreoathetosis due to idiopathic primary hypoparathyroidism.	2001 Nov	11606688
Familial intrahepatic cholestasis 1: studies of localization and function.	2001 Oct	11584374
Regional differences in functional receptor distribution and calcium mobilization in the intact human lens.	2001 Sep	11527950
Effects of vitamin D receptor inactivation on the expression of calbindins and calcium metabolism.	2001 Sep	11500311
The role of endogenous human Trp4 in regulating carbachol-induced calcium oscillations in HEK-293 cells.	2002 Apr 19	11830588
CXCR4 expression on monocytes is up-regulated by dexamethasone and is modulated by autologous CD3+ T cells.	2002 Feb	11872090
Mediation of unusually high concentrations of 1,25-dihydroxyvitamin D in homozygous klotho mutant mice by increased expression of renal 1alpha-hydroxylase gene.	2002 Feb	11796525
Characterization of basolateral K+ channels underlying anion secretion in the human airway cell line Calu-3.	2002 Feb 1	11826162
Transcriptional induction of CYP1A1 by oltipraz in human Caco-2 cells is aryl hydrocarbon receptor- and calcium-dependent.	2002 Jul 5	11959854
Human kidney diamine oxidase: heterologous expression, purification, and characterization.	2002 Jun	12072962
Investigation of a functional requirement for isoprenylation by the human prostacyclin receptor.	2002 Mar	11895442
Hypertension-related intermyocyte junction remodelling is associated with a higher incidence of low-K(+)-induced lethal arrhythmias in isolated rat heart.	2002 Mar	11856964
Diacylglycerol activates the influx of extracellular cations in T-lymphocytes independently of intracellular calcium-store depletion and possibly involving endogenous TRP6 gene products.	2002 May 15	11988098
Molecular cloning and characterization of the human voltage-gated calcium channel alpha(2)delta-4 subunit.	2002 Sep	12181424
Inhibition of peroxisome proliferator-activated receptor (PPAR)-mediated keratinocyte differentiation by lipoxygenase inhibitors.	2002 Sep 15	12069687
Effects of endothelin B receptor agonists on amyloid beta protein (25-35)-induced neuronal cell death.	2002 Sep 6	12383957
A critical interplay between Ca2+ inhibition and activation by Mg2+ of AC5 revealed by mutants and chimeric constructs.	2002 Sep 6	12065575
Mechanism of enhanced calcium sensitivity and alpha 2-AR vasoreactivity in chronic NOS inhibition hypertension.	2003 Jan	12388232

Patents

Sample Use Guides

In Vivo Use Guide

oral: 500 to 2000 mg elemental calcium a day, in divided doses (bid-qid). inhalation: In a single-blind, phase 1B proof of concept study, 24 subjects were enrolled to sequentially receive three doses of PUR118 (calcium lactate inhalation powder (CLIP) formulation) (5.5 mg, n = 18; 11.0 mg, n = 18; 2.8 mg, n = 16). Each dose was inhaled 3 times (1, 13, 25 h, preceded by 2 puffs salbutamol) before the ozone exposure (250 ppb, 3 h intermittent exercise). Sputum was induced 3 h after the end of exposure.

Route of Administration: Other

In Vitro Use Guide

Unknown

Name

Type

Language

CALCIUM CITRATE ANHYDROUS

Common Name

English

1,2,3-PROPANETRICARBOXYLIC ACID, 2-HYDROXY-, CALCIUM SALT (2:3)

Common Name

English

Calcium citrate [WHO-DD]

Common Name

English

CALCIUM CITRATE [HSDB]

Common Name

English

INS NO.333(III)

Code

English

TRICALCIUM CITRATE

Systematic Name

English

CALCIUM CITRATE [MI]

Common Name

English

INS-333(III)

Code

English

E-333(III)

Code

English

Classification Tree Code System Code

CODEX ALIMENTARIUS (GSFA)

INS-333(III)