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Chemical compound
Pregnenolone succinate Trade names Panzalone, Formula 405 Other names Pregnenolone hemisuccinate; Pregn-5-en-3β-ol-20-one 3β-(hydrogen succinate) Routes of administration Topical
4-[[(3S ,8S ,9S ,10R ,13S ,14S ,17S )-17-Acetyl-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H -cyclopenta[a ]phenanthren-3-yl]oxy]-4-oxobutanoic acid
CAS Number PubChem CID ChemSpider UNII KEGG ChEMBL CompTox Dashboard (EPA ) ECHA InfoCard 100.022.728 Formula C 25 H 36 O 5 Molar mass 416.558 g·mol−1 3D model (JSmol )
CC(=O)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@]3(CC[C@@H](C4)OC(=O)CCC(=O)O)C)C
InChI=1S/C25H36O5/c1-15(26)19-6-7-20-18-5-4-16-14-17(30-23(29)9-8-22(27)28)10-12-24(16,2)21(18)11-13-25(19,20)3/h4,17-21H,5-14H2,1-3H3,(H,27,28)/t17-,18-,19+,20-,21-,24-,25+/m0/s1
Key:OZZAYJQNMKMUSD-DMISRAGPSA-N
Pregnenolone succinate (USAN Tooltip United States Adopted Name ; brand names Panzalone , Formula 405 ; also known as pregnenolone hemisuccinate or pregn-5-en-3β-ol-20-one 3β-(hydrogen succinate) ) is a synthetic pregnane steroid and an ester of pregnenolone which is described as a glucocorticoid and anti-inflammatory drug and has been patented and marketed as a topical medication in the form of a cream for the treatment of allergic , pruritic , and inflammatory dermatitis .[ 1] [ 2] [ 3] It has also been described as a non-hormonal sterol , having neurosteroid activity, and forming a progesterone analogue via dehydrogenation .[ 4]
In addition to its glucocorticoid effects, pregnenolone succinate has been found to act as a negative allosteric modulator of the GABAA receptor and a positive allosteric modulator of the NMDA receptor similarly to pregnenolone sulfate .[ 5] [ 6] [ 7] [ 8]
^ Elks J (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies . Springer. pp. 666–. ISBN 978-1-4757-2085-3 .
^ Negwer M, Scharnow HG (4 October 2001). Organic-chemical drugs and their synonyms: (an international survey) . Wiley-VCH. p. 2649. ISBN 978-3-527-30247-5 . 3β-Hydroxypregn-5-en-20-one hydrogen succinate = (3β)-3-(3-Carboxy-1-oxo-propoxy)pregn-5-en-20-one. S: Formula 405. Panzalone. Pregnenolone succinate. U: Glucocorticoid (anti-inflammatory, anti-allergic).
^ De Navarre MG (1988). The chemistry and manufacture of cosmetics . Van Nostrand. p. 631. ISBN 9780931710162 . Pregnenolone hemisuccinate has been patented for topical use in alleviating allergic, pruritic and inflammatory dermatitis (29).
^ Milne GW (8 May 2018). Drugs: Synonyms and Properties: Synonyms and Properties . Taylor & Francis. pp. 1408–. ISBN 978-1-351-78989-9 .
^ Gibbs TT, Farb DH (27 October 2003). "Direct Modulation of Amino Acid Receptors by Neuroactive Steroids: Physiological and Pharmacological Implications" . In Smith SS (ed.). Neurosteroid Effects in the Central Nervous System: The Role of the GABA-A Receptor . CRC Press. pp. 344, 356. ISBN 978-0-203-50816-9 .
^ Irwin RP, Lin SZ, Rogawski MA, Purdy RH, Paul SM (November 1994). "Steroid potentiation and inhibition of N-methyl-D-aspartate receptor-mediated intracellular Ca++ responses: structure-activity studies". The Journal of Pharmacology and Experimental Therapeutics . 271 (2): 677–682. PMID 7965782 .
^ Yaghoubi N, Malayev A, Russek SJ, Gibbs TT, Farb DH (August 1998). "Neurosteroid modulation of recombinant ionotropic glutamate receptors" . Brain Research . 803 (1–2): 153–160. doi :10.1016/s0006-8993(98)00644-1 . PMID 9729352 . S2CID 41180982 .
^ Shirakawa H, Katsuki H, Kume T, Kaneko S, Ito J, Akaike A (November 2002). "Regulation of N-methyl-D-aspartate cytotoxicity by neuroactive steroids in rat cortical neurons". European Journal of Pharmacology . 454 (2–3): 165–175. doi :10.1016/s0014-2999(02)02493-7 . PMID 12421643 .
GR Tooltip Glucocorticoid receptor
Ionotropic
GABAA Tooltip γ-Aminobutyric acid A receptor
Positive modulators (abridged; see here for a full list): α-EMTBL
Alcohols (e.g., drinking alcohol , 2M2B )
Anabolic steroids
Avermectins (e.g., ivermectin )
Barbiturates (e.g., phenobarbital )
Benzodiazepines (e.g., diazepam )
Bromide compounds (e.g., potassium bromide )
Carbamates (e.g., meprobamate )
Carbamazepine
Chloralose
Chlormezanone
Clomethiazole
Dihydroergolines (e.g., ergoloid (dihydroergotoxine) )
Etazepine
Etifoxine
Fenamates (e.g., mefenamic acid )
Flavonoids (e.g., apigenin , hispidulin )
Fluoxetine
Flupirtine
Imidazoles (e.g., etomidate )
Kava constituents (e.g., kavain )
Lanthanum
Loreclezole
Monastrol
Neuroactive steroids (e.g., allopregnanolone , cholesterol , THDOC )
Niacin
Niacinamide
Nonbenzodiazepines (e.g., β-carbolines (e.g., abecarnil ), cyclopyrrolones (e.g., zopiclone ), imidazopyridines (e.g., zolpidem ), pyrazolopyrimidines (e.g., zaleplon ))
Norfluoxetine
Petrichloral
Phenols (e.g., propofol )
Phenytoin
Piperidinediones (e.g., glutethimide )
Propanidid
Pyrazolopyridines (e.g., etazolate )
Quinazolinones (e.g., methaqualone )
Retigabine (ezogabine)
ROD-188
Skullcap constituents (e.g., baicalin )
Stiripentol
Sulfonylalkanes (e.g., sulfonmethane (sulfonal) )
Topiramate
Valerian constituents (e.g., valerenic acid )
Volatiles /gases (e.g., chloral hydrate , chloroform , diethyl ether , paraldehyde , sevoflurane )
Negative modulators: 1,3M1B
3M2B
11-Ketoprogesterone
17-Phenylandrostenol
α3IA
α5IA (LS-193,268)
β-CCB
β-CCE
β-CCM
β-CCP
β-EMGBL
Anabolic steroids
Amiloride
Anisatin
β-Lactams (e.g., penicillins , cephalosporins , carbapenems )
Basmisanil
Bemegride
Bicyclic phosphates (TBPS , TBPO , IPTBO )
BIDN
Bilobalide
Bupropion
CHEB
Chlorophenylsilatrane
Cicutoxin
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Cyclothiazide
DHEA
DHEA-S
Dieldrin
(+)-DMBB
DMCM
DMPC
EBOB
Etbicyphat
FG-7142 (ZK-31906)
Fiproles (e.g., fipronil )
Flavonoids (e.g., amentoflavone , oroxylin A )
Flumazenil
Fluoroquinolones (e.g., ciprofloxacin )
Flurothyl
Furosemide
Golexanolone
Iomazenil (123 I)
IPTBO
Isopregnanolone (sepranolone)
L-655,708
Laudanosine
Lindane
MaxiPost
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MRK-016
Naloxone
Naltrexone
Nicardipine
Nonsteroidal antiandrogens (e.g., apalutamide , bicalutamide , enzalutamide , flutamide , nilutamide )
Oenanthotoxin
Pentylenetetrazol (pentetrazol)
Phenylsilatrane
Picrotoxin (i.e., picrotin , picrotoxinin and dihydropicrotoxinin )
Pregnenolone sulfate
Propybicyphat
PWZ-029
Radequinil
Ro 15-4513
Ro 19-4603
RO4882224
RO4938581
Sarmazenil
SCS
Suritozole
TB-21007
TBOB
TBPS
TCS-1105
Terbequinil
TETS
Thujone
U-93631
Zinc
ZK-93426
GABAA -ρ Tooltip γ-Aminobutyric acid A-rho receptor
Metabotropic
GABAB Tooltip γ-Aminobutyric acid B receptor
AMPAR Tooltip α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor KAR Tooltip Kainate receptor NMDAR Tooltip N-Methyl-D-aspartate receptor
Group I
mGluR1 Tooltip Metabotropic glutamate receptor 1 mGluR5 Tooltip Metabotropic glutamate receptor 5
Group II
mGluR2 Tooltip Metabotropic glutamate receptor 2 mGluR3 Tooltip Metabotropic glutamate receptor 3
Group III
mGluR4 Tooltip Metabotropic glutamate receptor 4 mGluR6 Tooltip Metabotropic glutamate receptor 6 mGluR7 Tooltip Metabotropic glutamate receptor 7 mGluR8 Tooltip Metabotropic glutamate receptor 8