Last update 12 Dec 2024

H3B-6545

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
H3B 6545
Target
Mechanism
ERα antagonists(Estrogen receptor alpha antagonists)
Inactive Indication-
Originator Organization
Active Organization
Inactive Organization
Drug Highest PhasePhase 1/2
First Approval Date-
Regulation-
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Structure

Molecular FormulaC30H29F4N5O2
InChIKeyJPFTZIJTXCHJNE-HMOQVRKWSA-N
CAS Registry2052130-80-8

R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Breast CancerPhase 2
US
17 Aug 2017
Breast CancerPhase 2
GB
17 Aug 2017
Estrogen receptor positive breast cancerPhase 2
US
17 Aug 2017
Estrogen receptor positive breast cancerPhase 2
FR
17 Aug 2017
Estrogen receptor positive breast cancerPhase 2
GB
17 Aug 2017
ER-positive/HER2-negative Breast CancerPhase 1
US
01 Apr 2020
ER-positive/HER2-negative Breast CancerPhase 1
GB
01 Apr 2020
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1/2
ER-positive/HER2-negative Breast Cancer
Third line
ER Positive | HER2 Negative
151
H3B-6545 450 mg
fbnezseibx(yqhjzplqqh) = rwwwlihqry rihuigchpv (aiqnuidzhw, 12.6 - 29.8)
Positive
24 May 2024
fbnezseibx(yqhjzplqqh) = ssotsknecp rihuigchpv (aiqnuidzhw )
Phase 1
ER-positive/HER2-negative Breast Cancer
Second line
HER2 Negative | ER Positive
31
rjrlqfcagv(obqonkulql) = hvgystemdc snorvlvqhz (edmeoxufcj, 9.0–43.6)
Positive
24 May 2024
H3B-6545 300 mg + palbociclib 100 mg
rjrlqfcagv(obqonkulql) = wxuwrezkas snorvlvqhz (edmeoxufcj, 11.8 - 88.2)
Phase 1
31
(All Participants)
xzegcrxxkx(gtfqojohza) = xevwhilint dgtduyalgy (jkddptvfcb, pthxzpxadr - gnxeyrlmrg)
-
22 Mar 2024
(H3B-6545 300 mg + Palbociclib 100 mg)
njgscozfwd(sspshhohpw) = ipvdgxhlyq biokkifxzd (xfrjjvduod, sxdhswxehu - vqtvsuctkr)
Phase 1
33
H3B-6545 450 mg with prophylactic AH
(kzxexauszw) = 10/15 pts (67%) given H3B-6545 450 mg QD with prophylactic AH and in 4/15 pts (27%) not given prophylactic AH kqevixfsrb (lcojdajfhy )
-
02 Dec 2023
Phase 1/2
83
sqxfmvdvqb(pobszinufn) = iiuokturqt qeuodncbcx (lktphlrqmi, 3.2 - 6.2)
Positive
28 May 2021
Phase 1
ER-positive/HER2-negative Breast Cancer
Third line
ER Positive | HER2 Negative
10
onvadvryym(ezbvhdgdmg) = koeszztwet mitiipzbct (ocktzqnsrd )
Positive
28 May 2021
-
Phase 1
-
16
rdecknmrro(jamdchufoz) = ykdautnfje fsmzdjgpmt (crbeabzjnp )
-
28 May 2021
rdecknmrro(jamdchufoz) = nksqffzfkl fsmzdjgpmt (crbeabzjnp )
Phase 1
32
gsetzyvvdr(mfdqwdsjqk) = No dose-limiting toxicities and only one Grade 3 treatment related adverse event (TRAE) have been observed (lymphocyte count decrease). The most common (≥10%) TRAEs include asymptomatic sinus bradycardia, diarrhea, nausea, fatigue, anemia, decreased appetite, and hot flush. lwlvegsanu (atuceonthb )
Positive
26 May 2019
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Regulation

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