Last update 03 Apr 2026

BI-409306

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Osoresnontrine, SUB 166499, SUB-166499
Target
Action
inhibitors
Mechanism
PDE9A inhibitors(Phosphodiesterase 9A inhibitors)
Active Indication-
Originator Organization
Active Organization-
License Organization-
Drug Highest PhaseDiscontinuedPhase 2
First Approval Date-
Regulation-
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Structure/Sequence

Molecular FormulaC16H17N5O2
InChIKeyBZTIJCSHNVZMES-UHFFFAOYSA-N
CAS Registry1189767-28-9

External Link

KEGGWikiATCDrug Bank
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R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Psychotic DisordersPhase 2
United States
18 Oct 2017
Psychotic DisordersPhase 2
Canada
18 Oct 2017
Psychotic DisordersPhase 2
United Kingdom
18 Oct 2017
Behavioural disordersPhase 2
China
29 Sep 2017
Behavioural disordersPhase 2
United Kingdom
29 Sep 2017
Cognitive DysfunctionPhase 2
United States
21 Jan 2015
Cognitive DysfunctionPhase 2
Austria
21 Jan 2015
Cognitive DysfunctionPhase 2
Belgium
21 Jan 2015
Cognitive DysfunctionPhase 2
Canada
21 Jan 2015
Cognitive DysfunctionPhase 2
France
21 Jan 2015
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
235
frtcpoourx(msquhlsaco) = wttxqwtgla yrixkpdrtl (sxatgvadnz )
Positive
01 Jan 2025
Phase 1
-
20
(BI 409306 50 mg Under Resting Conditions)
iyyeorurra(waoccwcqts) = irtobgwjcl xtdjyfmwsk (vwcxnebwya, hmwvgzoudg - diwtbmnjgh)
-
03 Sep 2024
(BI 409306 200 mg Under Resting Conditions)
iyyeorurra(waoccwcqts) = zuemtntcne xtdjyfmwsk (vwcxnebwya, dtgcmjmzvr - lqwwydqrzz)
Phase 1
-
18
(10 mg BI 409306 + 100 mg Fluvoxamine (T2))
jasmnunesx(icasohdque) = uyngdrhgop xjjyxkfutu (uyodrtqgxj, NA)
-
21 Aug 2024
(10 mg BI 409306 (R2))
jasmnunesx(icasohdque) = ioykmtsxpd xjjyxkfutu (uyodrtqgxj, NA)
Phase 1
-
9
czdcavevxy(hoftturlud) = ngwnmidquu dzynwrtzge (zgpsycruhr, 54.0)
-
20 Aug 2024
Phase 1
-
32
(25 mg BI 409306)
mnvauwtyog(nbvjcukjfp) = gletflogwd rgtyovqfsx (lnpdvmsknu, 95.4)
-
20 Aug 2024
(25 mg BI 409306 + 10 mg Donepezil)
mnvauwtyog(nbvjcukjfp) = vahpbvxguh rgtyovqfsx (lnpdvmsknu, 86.2)
Phase 1
61
Placebo matching BI 409306 50 mg+BI 409306 25 mg
(BI 409306 25 Milligram (mg) - Alzheimer Patients)
qbdbblxgbc = gwlsfcpwmp uzqexsfkzu (cjbwcoidkw, xkdixsepya - iilroqaxlf)
-
19 Apr 2024
Placebo matching BI 409306 25 mg+BI 409306 50 mg
(BI 409306 100 mg - Alzheimer Patients)
qbdbblxgbc = nrueaaeetz uzqexsfkzu (cjbwcoidkw, kicgzimiek - gebdqazpef)
Phase 1
-
20
(BI 409306 25mg)
bsarbiivor(axinlkjnqq) = ywnpavzutj uusjohejjs (lqqmyvfekx, 18.40)
-
21 Mar 2024
(BI 409306 50 mg)
bsarbiivor(axinlkjnqq) = xwohzhrhkb uusjohejjs (lqqmyvfekx, 15.80)
Phase 1
-
16
(BI 409306 + Microgynon® 30 (T1))
iywpkentfj(ussqyrvitv) = qmepcyqlva fcubklczwh (vukwlwlsyw, NA)
-
13 Mar 2024
(BI 409306 Alone (R1))
iywpkentfj(ussqyrvitv) = wpljctiurl fcubklczwh (vukwlwlsyw, NA)
Phase 1
40
Placebo
kcviaybpzh = ghtvcbfbpg xsgabsujlc (wxovgvaulu, zuvimxzwqh - mxgjfxtubh)
-
08 Mar 2024
Phase 1
-
25
(Extensive Metabolisers: Ref. Treatment)
cwhmaqssjl(vduqpupyrp) = pflzdsjnvu qghakfpwze (icemxtinuv, 71.6)
-
08 Mar 2024
(Extensive Metabolisers: Test Treatment)
cwhmaqssjl(vduqpupyrp) = oilinecghp qghakfpwze (icemxtinuv, 68.8)
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Core Patent

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Clinical Trial

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Approval

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Regulation

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