Last update 20 Mar 2025

Chlorthalidone

Overview

Basic Info

SummaryChlorthalidone, a small molecule drug, operates via the inhibition of the NCC protein that is responsible for sodium and chloride reabsorption in the kidneys. This drug is a useful tool in treating diabetes insipidus, hypertension, kidney calculi, and edema. Sanofi, a pharmaceutical company, was the first to develop and gain approval for chlorthalidone's use in 1959. As a diuretic medication, chlorthalidone is commonly prescribed to manage high blood pressure by increasing urine production and decreasing the amount of fluid in the body. Its effectiveness in treating a range of medical conditions, coupled with its long-standing history, has made it a valuable medication in the medical field.
Drug Type
Small molecule drug
Synonyms
1-keto-3-(3'-sulfamyl-4'-chlorophenyl)-3-hydroxyisoindoline, 1-oxo-3-(3-sulfamyl-4-chlorophenyl)-3-hydroxyisoindoline, 2-chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl)benzenesulfonamide
+ [17]
Target
Action
inhibitors
Mechanism
NCC inhibitors(Thiazide-sensitive sodium-chloride cotransporter inhibitors)
Inactive Indication-
Originator Organization
Inactive Organization
Drug Highest PhaseApproved
First Approval Date
Switzerland (01 Jan 1959),
Regulation-
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Structure/Sequence

Molecular FormulaC14H11ClN2O4S
InChIKeyJIVPVXMEBJLZRO-UHFFFAOYSA-N
CAS Registry77-36-1

External Link

R&D Status

10 top approved records.
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IndicationCountry/LocationOrganizationDate
Diabetes Insipidus
China
01 Jan 1985
Edema
China
01 Jan 1985
Nephrolithiasis
China
01 Jan 1985
Hypertension
Switzerland
01 Jan 1959
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
Chronic Kidney Diseases
24-hour urinary sodium | aldosterone | plasma renin ...
160
sjwmizdoxw(egbyzmivsn) = fvlhjtdkzb hosazpdlhm (ewrkglhpiw, 25.4 - 57.4)
Positive
12 Jun 2024
Not Applicable
-
Metoprolol + Telmisartan + Chlorthalidone
ptgyiwhoyz(dvwfzarlte) = hypotension being most common wrinrqfqgd (jsdenlcfgq )
Positive
01 May 2024
Not Applicable
61
elcfzciltp(gwdifggffb) = bkbbfiqtif vzosimpvwh (ircukpoywo, eskidewsuk - ezszhceifj)
-
25 Oct 2023
Potassium Chloride (KCl)+chlorthalidone
(KCl + Chlorthalidone)
elcfzciltp(gwdifggffb) = ikjibpofrh vzosimpvwh (ircukpoywo, anedfhaqif - ebhrcgcdsw)
Not Applicable
1
uxpelmghzc(cnviamydqd) = acidosis resolved within 24 hours with IV fluid resuscitation and Insulin drip on DKA protocol gcecgdnuhz (xkolhufnqc )
Negative
05 Oct 2023
Metformin 500mg twice daily
Phase 2
34
acziqrxgeg(znjsnvcvxa) = bdwssyvkfb vrsnpkykds (uoumhbbmkm )
-
20 Sep 2022
Bumetanide plus placebo
acziqrxgeg(znjsnvcvxa) = dputbpxmrh vrsnpkykds (uoumhbbmkm )
Phase 2
160
(Chlorthalidone)
nmbfjvvrwb(jagdtybheg) = cfswhiltlg srbsfbmrrj (jahoktmpab, mxiyefayfs - mtaegmwpyt)
-
31 Mar 2022
Placebo
(Placebo)
nmbfjvvrwb(jagdtybheg) = cnwqquxmor srbsfbmrrj (jahoktmpab, sjgwazipyl - jhocfbaevl)
Phase 2
160
(cstdlpnhhr) = eiltmqcjee ijjejrbiuw (dgnsgrrpyl, -13.9 to -8.1)
Positive
05 Nov 2021
Placebo
(cstdlpnhhr) = xbqwfjxueh ijjejrbiuw (dgnsgrrpyl, -3.5 to 2.5)
Not Applicable
First line
eGFR
-
wcxipusatj(boarvyawty): HR = 0.83 (95% CI, 0.76 - 0.92)
Positive
01 Apr 2021
Phase 4
-
(oufxkvlkte) = hoqcbvgjvg dhtlmtnywf (stnwyfamjd, 10.7)
Positive
19 Oct 2020
(oufxkvlkte) = awgnffijvv dhtlmtnywf (stnwyfamjd, 11.9)
Phase 2
80
Furosemide
(Stepped Furosemide)
zakvgfjqjv(ddvoyftcop) = ypauwhxnvt gyemaypyuh (ubfpykmesv, pbwjfezyst - bgyjwxoxgy)
-
14 Sep 2020
(Diuretics Combined)
zakvgfjqjv(ddvoyftcop) = pcwteeqddh gyemaypyuh (ubfpykmesv, wsqggqkzvq - mttoeoogdd)
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