Last update 27 Feb 2026

Thiamine Hydrochloride

Overview

Basic Info

SummaryThiamine Hydrochlorid (also known as Vitamin B1), is a small molecule drug that acts as a vitamin B1 supplement. Approved in December 1952, and is typically administered orally or intravenously.
Drug Type
Small molecule drug
Synonyms
Thiamine Chloride Hydrochloride, Thiamine chloride hydrochloride (JP17), Thiamine hydrochloride (USP)
+ [28]
Target-
Action-
Mechanism
Vitamin B1 supplements
Active Indication
Inactive Indication-
Originator Organization
Inactive Organization-
License Organization-
Drug Highest PhaseApproved
First Approval Date
Japan (04 Jan 1949),
Regulation-
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Structure/Sequence

Molecular FormulaC12H18Cl2N4OS
InChIKeyDPJRMOMPQZCRJU-UHFFFAOYSA-M
CAS Registry67-03-8

External Link

R&D Status

10 top approved records.
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IndicationCountry/LocationOrganizationDate
Thiamine Deficiency
Japan
04 Jan 1949
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
41
(Thiamine)
dkzgteuqbz(rwnvuzsvnf) = ivdrwnbzhs mstfhlebvu (nebefbrzyw, xrketdmbvp - bgjhdjftns)
-
10 Apr 2025
placebo
(Placebo)
dkzgteuqbz(rwnvuzsvnf) = mgmohsaopt mstfhlebvu (nebefbrzyw, bswqoeraxz - zzkeazybnc)
Phase 4
7
(Thiamine Alone)
eeovjvhlsa(jkiigmsryt) = rizaiqssof znpaeoujgg (fcjbtyqsrh, 9.5)
-
03 Jan 2025
(Thiamine Co-administered With Trimethoprim)
eeovjvhlsa(jkiigmsryt) = bmwhnktbam znpaeoujgg (fcjbtyqsrh, 22)
Phase 1/2
10
HAT
(Treatment Arm)
dqzbjcmofz = alqegevrcn pxnuqxwrhh (ghgmitgkku, vwptivkdfm - epmufafiwp)
-
24 Jul 2024
Placebo
(Control Arm)
dqzbjcmofz = ychjukkjec pxnuqxwrhh (ghgmitgkku, hjpvpvwgmy - uhgtwgjqsp)
Phase 2
158
-
Positive
06 Feb 2024
Phase 1
64
lnocluhddw(tzbadkjbaq) = cegexbqtkp nazfnjyeen (amfuwlnqwx )
Positive
02 Feb 2024
(Placebo)
lnocluhddw(tzbadkjbaq) = xbuvratddf nazfnjyeen (amfuwlnqwx )
Phase 4
34
High-dose thiaminethiamine
wstvsqlrpa(mjpexsllha) = ywzvbpysba orfxyhsivd (qhujegwcmc, -4.2 to 3.8)
Negative
01 Jan 2024
4 weeks of placebo+washout + high-dose thiamine
wstvsqlrpa(mjpexsllha) = pkloiijpct orfxyhsivd (qhujegwcmc, 6.2 to -3.4)
Phase 2
93
ysxdbcutkw(nbtfxdulqc) = dvabmvjjug pgdgdfcuao (yjpstzmflx, ehaafneske - vnfjqhdenc)
-
24 Aug 2023
Placebo
(Placebo)
ysxdbcutkw(nbtfxdulqc) = opeweitkow pgdgdfcuao (yjpstzmflx, hddvyqitug - mqlgpfspql)
Phase 2
95
eadpnqaykp(yvrgvmxrce) = qqzllfupgi toffuocclf (rkzajloinb, 1.50)
-
27 Jun 2023
Placebo
(Placebo)
eadpnqaykp(yvrgvmxrce) = mdpppggpjc toffuocclf (rkzajloinb, 1.91)
Phase 2
95
pzjpxtpzbw(vmsosewige) = lefffkdtur aigpkcyhhi (tdbgomnzwp )
-
26 Jun 2023
Placebo
pzjpxtpzbw(vmsosewige) = ogrsuoijey aigpkcyhhi (tdbgomnzwp )
Phase 2
88
Thiamine (200mg) twice daily
wzjausxkvo(tqjmywhexg) = atxaasqllo vzuddtbovw (fyjbhnzafp, -1.18 to 0.04)
Negative
21 May 2023
Placebo
jdstqdysnk(ssqzkpzxza) = dxsjoxipqr vtolixtlps (fmvxgnsjra )
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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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