Drugs / Chlorthalidone
last change Mar 2026 re-read 2 minutes ago

Chlorthalidone

Other / unclassified

Developed for
hypertensive disorder · essential hypertension · chronic kidney disease · heart failure · obstructive sleep apnea syndrome · end stage renal failure · idiopathic hypercalciuria · nephrolithiasis, calcium oxalate
+5 more · resistant hypertension · secondary hypertension · urolithiasis · arteriosclerosis disorder · metabolic syndrome X
Investigated by
Takeda · National Heart, Lung, and Blood Institute (NHLBI) · EMS · Hospital de Clinicas de Porto Alegre · Yuhan Corporation · VA Office of Research and Development
+38 more · AJU Pharm Co., Ltd. · Creighton University · Hanmi Pharmaceutical Company Limited · Indiana University · National Institute on Aging (NIA) · University of California, San Francisco · Addpharma Inc. · Dialysis Clinic, Inc. · Erasmus Medical Center · Eurofarma Laboratorios S.A. · Farma de Colombia SA · Financiadora de Estudos e Projetos · Hanlim Pharm. Co., Ltd. · Hospital General de México Dr. Eduardo Liceaga · Hospital Israelita Albert Einstein · Icahn School of Medicine at Mount Sinai · Indiana Institute for Medical Research · Instituto de Cardiologia do Rio Grande do Sul · Jessa Hospital · Kyungdong Pharmaceutical Co., Ltd. · Laboratorios Silanes S.A. de C.V. · Libbs Farmacêutica LTDA · Michael E. DeBakey VA Medical Center · National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) · National Institute of General Medical Sciences (NIGMS) · National University of Ireland, Galway, Ireland · Parc de Salut Mar · Roche Diagnostics GmbH · Seoul National University Bundang Hospital · University of Alabama at Birmingham · University of Alberta · University of Florida · University of Minnesota · University of Rochester · VA New York Harbor Healthcare System · VA Salt Lake City Health Care System · Virginia Commonwealth University · Vrije Universiteit Brussel

Regulatory milestones approvals, filings & regulatory actions · 1 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Approved US (FDA) HYGROTON 1960-04-07 fda.gov

Trials 57 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 15 trials
Phase 1 NCT05077475 Sep 2021 → Apr 2022 hypertensive disorder AJU Pharm Co., Ltd. Unknown No outcome recorded
Phase 1 NCT05077462 Sep 2021 → Apr 2022 hypertensive disorder AJU Pharm Co., Ltd. Unknown No outcome recorded
Phase 1 NCT04757532 Dec 2020 → Mar 2021 Parc de Salut Mar Completed No outcome recorded
Phase 1 NCT03662620 Oct → Dec 2018 hypertensive disorder Yuhan Corporation Completed No outcome recorded
Phase 1 NCT02152969 May → Aug 2014 hypertensive disorder Yuhan Corporation Completed No outcome recorded
Phase 28 trials
Phase 2 NCT07645300 Oct 2026 → Mar 2032 expected chronic kidney disease VA Office of Research and Development Not yet recruiting No outcome recorded
Phase 2 NCT05370599 Apr 2022 → Jan 2026 hypertensive disorder University of California, San Francisco Terminated No outcome recorded
Phase 2 NCT05222191 Feb 2022 → Dec 2023 chronic kidney disease, hypertensive disorder Indiana Institute for Medical Research Unknown No outcome recorded
Phase 2 NCT03325114 Jun 2019 → Jun 2020 idiopathic hypercalciuria, type 1 diabetes mellitus University of Rochester Terminated No outcome recorded
Phase 2 NCT03923933 Jun → Oct 2019 chronic kidney disease Hospital General de México Dr. Eduardo Liceaga Completed No outcome recorded
Phase 2 NCT02841280 Jul 2016 → Apr 2021 chronic kidney disease, hypertensive disorder Indiana University Completed No outcome recorded
Phase 2 NCT00000522 Aug 1985 → May 1994 heart disorder, hypertensive disorder University of Minnesota Completed No outcome recorded
Phase 2 NCT00000499 Sep 1980 → May 1983 heart disorder, hypertensive disorder National Heart, Lung, and Blood Institute (NHLBI) Completed No outcome recorded
Phase 328 trials
Phase 3 NCT06348576 May 2024 → Feb 2025 essential hypertension Addpharma Inc. Unknown No outcome recorded
Phase 3 NCT05920005 Aug 2023 → Mar 2025 hypertensive disorder Hospital Israelita Albert Einstein Completed No outcome recorded
Phase 3 NCT04927299 Jun 2022 → Aug 2023 essential hypertension Laboratorios Silanes S.A. de C.V. Completed No outcome recorded
Phase 3 NCT07116863 Jun 2022 → Jun 2024 essential hypertension Kyungdong Pharmaceutical Co., Ltd. Completed No outcome recorded
Phase 3 NCT03928145 Nov 2019 → Jul 2021 essential hypertension Hospital de Clinicas de Porto Alegre Unknown No outcome recorded
Phase 3 NCT02521233 Nov 2016 → May 2017 essential hypertension EMS Withdrawn No outcome recorded
Phase 3 NCT02521246 Nov 2016 → May 2017 essential hypertension EMS Withdrawn No outcome recorded
Phase 3 NCT02620163 Dec 2015 → Dec 2016 essential hypertension Yuhan Corporation Completed No outcome recorded
Phase 3 NCT02916602 Apr 2015 → Sep 2016 hypertensive disorder Hanmi Pharmaceutical Company Limited Completed No outcome recorded
Phase 3 NCT02896621 Dec 2014 → Feb 2016 hypertensive disorder, obstructive sleep apnea syndrome Hospital de Clinicas de Porto Alegre Completed No outcome recorded
Phase 414 trials
Phase 4 NCT07225764 Oct 2025 → Jun 2027 expected nephrolithiasis, calcium oxalate Icahn School of Medicine at Mount Sinai Recruiting No outcome recorded
Phase 4 NCT06041529 Oct 2023 → Feb 2026 overdue essential hypertension Yuhan Corporation Active not recruiting No outcome recorded
Phase 4 NCT05915286 May 2023 → Feb 2025 end stage renal failure University of Alberta Terminated No outcome recorded
Phase 4 NCT05171686 Feb 2023 → Oct 2025 chronic kidney disease, hypertensive disorder VA Office of Research and Development Completed No outcome recorded
Phase 4 NCT05411991 Jun 2022 → Jul 2024 heart failure Vrije Universiteit Brussel Completed No outcome recorded
Phase 4 NCT04192110 Aug 2020 chronic kidney disease VA Office of Research and Development Withdrawn No outcome recorded
Phase 4 NCT04330300 Apr 2020 → Jul 2021 COVID-19, essential hypertension National University of Ireland, Galway, Ireland Suspended No outcome recorded
Phase 4 NCT03666351 Oct 2018 → Jul 2022 aortic valve insufficiency, aortic valve stenosis, hypertensive disorder Hanmi Pharmaceutical Company Limited Completed No outcome recorded
Phase 4 NCT03226340 Dec 2015 → Mar 2018 essential hypertension Seoul National University Bundang Hospital Unknown No outcome recorded
Phase 4 NCT02100462 Mar 2014 → Dec 2016 hypertensive disorder Creighton University Unknown No outcome recorded
Phase not applicable2 trials
NCT02357004 Feb 2015 → Jan 2020 hypertensive disorder University of Alabama at Birmingham Withdrawn No outcome recorded
NCT02711670 Feb 2014 → Jun 2017 urolithiasis VA New York Harbor Healthcare System Completed No outcome recorded
Also used as a comparator or background therapy in 24 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT06287580 Comparator Aug 2024 → Feb 2026 essential hypertension University of Texas Southwestern Medical Center Completed No outcome recorded
Phase 13 trials
Phase 1 NCT05090449 Comparator May 2019 → Apr 2020 Laboratorios Silanes S.A. de C.V. Completed No outcome recorded
Phase 1 NCT02496910 Comparator Jun → Sep 2015 hypertensive disorder Yuhan Corporation Completed No outcome recorded
Phase 1 NCT01806363 Comparator Nov 2012 → Jun 2013 hypertensive disorder HanAll BioPharma Co., Ltd. Completed No outcome recorded
Phase 23 trials
Phase 2 NCT07238400 Comparator Mar 2026 → Mar 2029 expected hypertensive disorder Massachusetts General Hospital Recruiting No outcome recorded
Phase 2 NCT06111885 Comparator Oct 2024 → Jun 2027 expected urolithiasis Insel Gruppe AG, University Hospital Bern Recruiting No outcome recorded
Phase 2 NCT02236520 Comparator Sep 2014 → May 2018 hypertensive disorder Vanderbilt University Completed No outcome recorded
Phase 37 trials
Phase 3 NCT02185417 Comparator Jun 2016 → Oct 2022 hypertensive disorder VA Office of Research and Development Completed No outcome recorded
Phase 3 NCT00971165 Comparator Jul 2010 → Sep 2014 hypertensive disorder Hospital de Clinicas de Porto Alegre Completed No outcome recorded
Phase 3 NCT00591773 Comparator Sep 2007 → Mar 2009 essential hypertension Takeda Completed No outcome recorded
Phase 3 NCT00695955 Background Jun 2007 → May 2010 essential hypertension Takeda Completed No outcome recorded
Phase 3 NCT00696384 Background Jun 2007 → Apr 2009 essential hypertension Takeda Completed No outcome recorded
Phase 46 trials
Phase 4 NCT05593055 Comparator Aug 2023 → Apr 2027 expected hypertensive disorder Brigham and Women's Hospital Recruiting No outcome recorded
Phase 4 NCT05275907 Comparator Jul 2022 → Oct 2023 hypertensive disorder, impaired renal function disease Northwestern University Withdrawn No outcome recorded
Phase 4 NCT04519164 Comparator Dec 2020 → Sep 2025 hypertensive disorder, metabolic syndrome X Brigham and Women's Hospital Completed No outcome recorded
Phase 4 NCT01748123 Comparator Aug 2016 → Jun 2017 hypertensive disorder Johns Hopkins University Withdrawn No outcome recorded
Phase 4 NCT01368536 Comparator May 2011 → Feb 2012 hypertensive disorder, type 2 diabetes mellitus Novartis Pharmaceuticals Terminated No outcome recorded
Phase not applicable4 trials
NCT02665117 Comparator Jan 2015 → Nov 2022 hypertensive disorder University of Texas Southwestern Medical Center Completed No outcome recorded
NCT03560804 Comparator Nov 2014 → Sep 2017 arteriosclerosis disorder AHEPA University Hospital Completed No outcome recorded
NCT02121041 Comparator May 2014 → Sep 2015 hypertensive disorder Anthony J Viera, MD, MPH Completed No outcome recorded
NCT00684489 Comparator Sep 2003 → Mar 2005 essential hypertension Medical University of South Carolina Completed No outcome recorded

Evidence & citations 7 cited values

Every value below carries the sentence it was read from. 84 sources stand behind the page.

FieldValueCited text
Known as Chlorthalidone “The participant's blood pressure medication regimen will then be altered to initiate a thiazide-type (hydrochlorothiazide or chlorthalidone) or loop diuretic (furosemide,...” NCT04192110
80

“Single oral dose C52R1M(FDC, Valsartan/Amlodipine) 160/5 mg tablet and C52R2(Chlorthalidone) 25 mg tablet taken together” NCT05077462

“Fixed-dose combination tablet containing valsartan 160 mg, amlodipine 10 mg, and chlorthalidone 25 mg.” NCT07116863

“Hydrochlorothiazide, metolazone, chlorthalidone, chlorothiazide, bendroflumethiazide, indapamide” NCT04330300

“renin guided therapeutics-chlorothiazide, chlorthalidone, hydrochlorothiazide” NCT00684489

Chlorthalidone plus amiloride 25 and 5 mg daily, taking in the morning” NCT01896661

“telmisartan/amlodipine/chlorthalidone 20/2.5/6.25 mg” PMID 41717679 Feb 2026

“telmisartan/amlodipine/chlorthalidone 40/5/12.5 mg” NCT02620163

“amlodipine, Losartan, Chlorthalidone FDC” NCT02916602

“C52R2(Chlorthalidone) 25 mg tablet” NCT05077475

chlorthalidone (Thalitone)” NCT00000620

NCT04757532

NCT06287580

NCT00996281

NCT00000513

NCT02357004

NCT00000514

NCT00695955

NCT02121041

NCT05920005

NCT00847626

NCT03662620

NCT00000499

NCT05275907

NCT01033071

NCT05222191

NCT02493322

NCT05370599

NCT00591773

NCT03325114

NCT00818883

NCT05411991

NCT06041529

NCT02185417

NCT01309828

NCT01806363

NCT02152969

NCT05593055

NCT03666351

NCT00971165

NCT02896621

NCT07225764

NCT00846365

NCT00000522

NCT02483936

NCT03928145

NCT03226340

NCT02521246

NCT01456169

NCT02030314

NCT07645300

NCT02496910

NCT02236520

NCT00000525

NCT03923933

NCT00353652

NCT01750294

NCT02665117

NCT01850160

NCT07238400

NCT02841280

NCT05090449

NCT01368536

NCT02711670

NCT01822860

NCT00241839

NCT00000542

NCT01191450

NCT04519164

NCT03560804

NCT01748123

NCT02644395

NCT02100462

NCT05171686

NCT00696384

NCT02521233

NCT05915286

NCT01203852

NCT06111885

NCT00970931

NCT04927299

Known as chlorthalidone (Thalitone) chlorthalidone (Thalitone)NCT00000620
Known as CTD “We performed 12-hour urine collections in 7 patients taking 25 mg of chlorthalidone (CTD) and 10 patients taking 25 mg of hydrochlorothiazide (HCTZ).” PMID 40194294 Apr 2025
4

“chlorthalidone (CTD) is a thiazide-like diuretic used for treating hypertension and decreases serum K.” NCT05222191

“Chlorthalidone (CTD) is a thiazide-like diuretic and an effective antihypertensive drug” PMID 32663820 Jul 2020

“Chlorthalidone (CTD) may be superior to hydrochlorothiazide (HCTZ)” PMID 36067089 Sep 2022

“Chlorthalidone (CTD)” NCT02185417

Known as HIGROTON 50 “Chlorthalidone (HIGROTON® 50)” NCT05090449
Known as Hygroton (brand name for chlorthalidone) Hygroton (brand name for chlorthalidone)NCT05411991
Modality Other / unclassified “Chlorthalidone is a thiazide-like diuretic” NCT00591773
Route Oral “chlorthalidone 25 mg, tablets, orally, once daily” NCT00591773