Last update 12 Jun 2025

Pitolisant Hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
1-{3-[3-(4-Chlorophenyl)propoxy]propyl}piperidine, hydrochloride, Pitolisant, Tiprolisant
+ [7]
Action
antagonists
Mechanism
H3 receptor antagonists(Histamine H3 receptor antagonists)
Originator Organization
Inactive Organization-
Drug Highest PhaseApproved
First Approval Date
European Union (31 Mar 2016),
RegulationPriority Review (United States), Breakthrough Therapy (United States), Fast Track (United States), Orphan Drug (United States), Orphan Drug (European Union), Orphan Drug (South Korea), Priority Review (China)
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Structure/Sequence

Molecular FormulaC17H27Cl2NO
InChIKeyXLFKECRRMPOAQS-UHFFFAOYSA-N
CAS Registry903576-44-3

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Excessive Daytime Sleepiness
Canada
31 Dec 2021
Sleep Apnea, Obstructive
European Union
01 Sep 2021
Sleep Apnea, Obstructive
Iceland
01 Sep 2021
Sleep Apnea, Obstructive
Liechtenstein
01 Sep 2021
Sleep Apnea, Obstructive
Norway
01 Sep 2021
Cataplexy
United States
13 Oct 2020
Narcolepsy
European Union
31 Mar 2016
Narcolepsy
Iceland
31 Mar 2016
Narcolepsy
Liechtenstein
31 Mar 2016
Narcolepsy
Norway
31 Mar 2016
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Idiopathic HypersomniaNDA/BLA
United States
-
Prader-Willi SyndromePhase 3
United States
28 May 2024
Prader-Willi SyndromePhase 3
Australia
28 May 2024
Prader-Willi SyndromePhase 3
Belgium
28 May 2024
Prader-Willi SyndromePhase 3
Denmark
28 May 2024
Prader-Willi SyndromePhase 3
France
28 May 2024
Prader-Willi SyndromePhase 3
Italy
28 May 2024
Prader-Willi SyndromePhase 3
Poland
28 May 2024
Prader-Willi SyndromePhase 3
Spain
28 May 2024
Prader-Willi SyndromePhase 3
Sweden
28 May 2024
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
-
423
dlyexckigk(shbzmhnxro) = jvbdktzema nigbangjqm (rzqwwvaqla, 0.60 - 1.10)
Positive
16 May 2025
dlyexckigk(shbzmhnxro) = mjspefbfjl nigbangjqm (rzqwwvaqla, 0.06 - 1.38)
Phase 2
30
(Higher Dose Pitolisant)
xuggxmwahq(menddeyomd) = rirmybnnsw fpiwchufry (plthhschnr, 1.98)
-
25 Apr 2025
(Lower Dose Pitolisant)
xuggxmwahq(menddeyomd) = voypwdgugb fpiwchufry (plthhschnr, 1.91)
Phase 3
-
(Japanese patients)
dpeptyvjrk(uftsuiilvu) = the primary efficacy endpoint was achieved. qdhdwxncnm (usucdcexzv )
Met
Positive
21 Oct 2024
Placebo
(Japanese patients)
Phase 3
110
(Pitolisant)
oafwkgyeag(haxgsuqdxe) = ayducryepv gztlsysskl (qvotgbnane, 1.14)
-
19 Sep 2024
Placebo
(Placebo)
oafwkgyeag(haxgsuqdxe) = dfsinmwgeo gztlsysskl (qvotgbnane, 1.35)
Not Applicable
512
rcoepocwiv(krmzxcmckd) = paifblbugh bxeagfuofk (dhnxlmdqcd )
Positive
01 Mar 2024
Phase 1
9
(Pitolisant)
ytthjhswzo(wmhqlyeuao) = nlvpsnasde ddjtxwedft (mmboznaeuj, 25.759)
-
04 Dec 2023
Placebo
(Placebo)
ytthjhswzo(wmhqlyeuao) = fgvtuwvast ddjtxwedft (mmboznaeuj, 15.369)
Not Applicable
110
zvpzcvlkqw(todrjrrrlw) = ylndiefmhm quswmkpgeh (vkhljktlri )
Positive
23 Oct 2023
Placebo
zvpzcvlkqw(todrjrrrlw) = lvvrkrlmkx quswmkpgeh (vkhljktlri )
Not Applicable
41
mpudlpiytr(nqdnhwsfcu) = adverse events of modafinil therapy, such as arterial hypertension and insomnia, ameliorated upkwhgwbeq (rjiykkexeq )
Positive
23 Oct 2023
NEWS
ManualManual
Not Applicable
30
aqbqodvilj(epuniphkpg) = hzxveplzdz mdnasdtzes (gmmfmkgnmg )
Positive
04 Aug 2023
Not Applicable
-
56
xzqukwqinm(ckutvrgxxr) = Insomnia and nausea were reported most frequently (5.4% each) lkwrwazjxr (jpuufiapyi )
Positive
24 Jun 2022
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