General Information of Drug (ID: DR2077)
Drug Name
IP-302
Synonyms
CDP-choline; CDP-colina; Choline 5'-cytidine diphosphate; Choline cytidine diphosphate; Citicolina; Citicolinum; Citidoline; Colite; Cyscholin; Cytidindiphosphocholin; Cytidine 5'-(choline diphosphate); Cytidine choline diphosphate; Cytidine diphosphocholine; Cytidine diphosphorylcholine; Cytidoline; Difosfocin; Emicholin; Ensign; Haocolin; Meibis; Nicholin; Nicolin; Niticolin; Recofnan; Recognan; Somazina; Suncholin; citicholine; citicoline; cyticholine; cytidine 5'-diphosphocholine; cytidine diphosphate choline; 987-78-0; Cereb
Indication Hypoxic-ischaemic encephalopathy [ICD11: 8B24] Phase 3 [1]
Structure
3D MOL 2D MOL
Pharmaceutical Properties Molecular Weight 488.32 Topological Polar Surface Area 214
Heavy Atom Count 31 Rotatable Bond Count 10
Hydrogen Bond Donor Count 4 Hydrogen Bond Acceptor Count 11
Cross-matching ID
PubChem CID
13804
ChEBI ID
CHEBI:16436
CAS Number
987-78-0
TTD Drug ID
D02CFP
Formula
C14H26N4O11P2
Canonical SMILES
C[N+](C)(C)CCOP(=O)([O-])OP(=O)(O)OCC1C(C(C(O1)N2C=CC(=NC2=O)N)O)O
InChI
1S/C14H26N4O11P2/c1-18(2,3)6-7-26-30(22,23)29-31(24,25)27-8-9-11(19)12(20)13(28-9)17-5-4-10(15)16-14(17)21/h4-5,9,11-13,19-20H,6-8H2,1-3H3,(H3-,15,16,21,22,23,24,25)/t9-,11-,12-,13-/m1/s1
InChIKey
RZZPDXZPRHQOCG-OJAKKHQRSA-N
The Metabolic Roadmap of This Drug
The Full List of Drug Metabolites (DM) of This Drug
DM Name DM ID PubChem ID Reaction DM Level REF
Choline DM003230
305
Unclear 1 [4]
Cytidine DM003226
6175
Multi-steps Reaction - Hydrolysis; Dephosphorylation 1 [4]
Acetylcholine DM003234
187
Unclear 2 [4]
Betaine DM002514
247
Unclear 2 [4]
Cytidine triphosphate DM003227
6176
Conjugation - Phosphorylation 2 [4]
Incorporation into nucleic acid DM003233 N. A. Unclear 2 [4]
Phosphocholine DM003231
1014
Unclear 2 [4]
Cdp-choline DM003228
13804
Unclear 3 [4]
Methionine DM003070
6992087
Unclear 3 [4]
Phosphatidylcholine DM003229
10169785
Unclear 4 [4]
Proteins DM003232 N. A. Unclear 4 [4]
⏷ Show the Full List of 11  DM(s)
The Full List of Metabolic Reaction (MR) of This Drug
MR ID Reactant Product MR Type DME REF
MR003662 IP-302 Cytidine Multi-steps Reaction - Hydrolysis; Dephosphorylation Unclear [4]
MR003666 IP-302 Choline Unclear Unclear [4]
MR003667 Choline Phosphocholine Unclear Unclear [4]
MR003669 Choline Betaine Unclear Unclear [4]
MR003673 Choline Acetylcholine Unclear Unclear [4]
MR003663 Cytidine Cytidine triphosphate Conjugation - Phosphorylation Unclear [4]
MR003672 Cytidine Incorporation into nucleic acid Unclear Unclear [4]
MR003670 Betaine Methionine Unclear Unclear [4]
MR003664 Cytidine triphosphate Cdp-choline Unclear Unclear [4]
MR003668 Phosphocholine Cdp-choline Unclear Unclear [4]
MR003665 Cdp-choline Phosphatidylcholine Unclear Unclear [4]
MR003671 Methionine Proteins Unclear Unclear [4]
⏷ Show the Full List of 12 MR(s)
Drug-Metabolizing Enzyme(s) (DME) Metabolizing This Drug
DME Name DME Info Species Uniprot ID EC Number REF
ASM-like phosphodiesterase 3a (SMPDL3A) DME0518 Homo sapiens
ASM3A_HUMAN
3.1.4.-
[2]
CDP-choline phosphohydrolase (ADPRM) DME0517 Homo sapiens
ADPRM_HUMAN
3.6.1.53
[3]
Experimental Enzyme Kinetic Data of This Drug
DME Name DME Info Kinetic Data Uniprot ID REF
CDP-choline phosphohydrolase (ADPRM) DME0517 Km = 0.35 microM
ADPRM_HUMAN
[3]
ASM-like phosphodiesterase 3a (SMPDL3A) DME0518 Km = 0.262 microM
ASM3A_HUMAN
[2]
References
1 ClinicalTrials.gov (NCT03181646) Role of Citicoline in Treatment of Newborns With Hypoxic Ischemic Encephalopathy.
2 The structure and catalytic mechanism of human sphingomyelin phosphodiesterase like 3a--an acid sphingomyelinase homologue with a novel nucleotide hydrolase activity. FEBS J. 2016 Mar;283(6):1107-23.
3 Molecular bases of catalysis and ADP-ribose preference of human Mn2+-dependent ADP-ribose/CDP-alcohol diphosphatase and conversion by mutagenesis to a preferential cyclic ADP-ribose phosphohydrolase. PLoS One. 2015 Feb 18;10(2):e0118680.
4 Metabolism and actions of CDP-choline as an endogenous compound and administered exogenously as citicoline

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