Drugs / Niclosamide
last change Jul 2026 re-read 2 minutes ago

Niclosamide

targets AR

Developed for
COVID-19 · metastatic prostate carcinoma · castration-resistant prostate carcinoma · colorectal cancer · acute myeloid leukemia · classic familial adenomatous polyposis · parasitic intestinal disorder · proctitis
+7 more · prostate adenocarcinoma · rheumatoid arthritis · severe acute respiratory syndrome · taeniasis · ulcerative colitis · ulcerative proctosigmoiditis · diabetic kidney disease
Investigated by
Entero Therapeutics · Daewoong Pharmaceutical Co. LTD. · National Cancer Institute (NCI) · NeuroBo Pharmaceuticals Inc. · UNION therapeutics · CURE Childhood Cancer, Inc.
+36 more · Center for Molecular Medicine · Charite University, Berlin, Germany · Chulalongkorn University · Department of Medical Services Ministry of Public Health of Thailand · Faiq Gorial · Hyundai Bioscience Co., Ltd. · I-site University Lille North Europe · Imuneks Farma ilac San. Tic. A.S. · King Chulalongkorn Memorial Hospital · Mae Fah Luang University · Mahidol University · Mamta Parikh · Michael Morse, MD · Ministry of Health, Thailand · National Institute of Allergy and Infectious Diseases (NIAID) · National Institute of Neurological Disorders and Stroke (NINDS) · National University of San Marcos, Peru · Novotech (Australia) Pty Limited · Oregon Health and Science University · Pandomedx · Pediatric Cancer Research Foundation (PCRF) · QIMR Berghofer Medical Research Institute · Ramathibodi Hospital · Stanford University · TFF Pharmaceuticals, Inc. · Thanyarak Pattani Hospital · The Leukemia and Lymphoma Society · The University of Western Australia · University Hospital, Lille · University of Baghdad · University of California, Davis · University of Washington · Vibhavadi Hospital · Washington University School of Medicine · Yamagata Prefectural Central Hospital · Yonsei University

Trials 27 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 110 trials
Phase 1 NCT07683013 Jul 2026 → Sep 2027 expected castration-resistant prostate carcinoma Hyundai Bioscience Co., Ltd. Not yet recruiting No outcome recorded
Phase 1 NCT05188170 Nov 2022 → Jul 2026 overdue acute myeloid leukemia Stanford University Recruiting No outcome recorded
Phase 1 NCT05168644 Nov 2021 → Jan 2022 TFF Pharmaceuticals, Inc. Completed No outcome recorded
Phase 1 NCT04749173 Nov 2020 → Jun 2021 COVID-19 Daewoong Pharmaceutical Co. LTD. Completed No outcome recorded
Phase 1 NCT04705415 Nov 2020 → Oct 2021 NeuroBo Pharmaceuticals Inc. Completed No outcome recorded
Phase 1 NCT04592835 Oct → Dec 2020 Daewoong Pharmaceutical Co. LTD. Unknown No outcome recorded
Phase 1 NCT04576312 Jun → Dec 2020 COVID-19 UNION therapeutics Completed No outcome recorded
Phase 1 NCT02687009 Nov → Dec 2017 colorectal cancer Michael Morse, MD Terminated No outcome recorded
Phase 1 NCT03123978 Jan 2017 → Jan 2022 metastatic prostate carcinoma University of California, Davis Completed No outcome recorded
Phase 1 NCT02532114 Dec 2015 → Nov 2017 castration-resistant prostate carcinoma, metastatic prostate carcinoma, prostate adenocarcinoma University of Washington Completed No outcome recorded
Phase 1/22 trials
Phase 1/2 NCT03521232 May 2018 → Sep 2022 proctitis, ulcerative colitis, ulcerative proctosigmoiditis Entero Therapeutics Terminated No outcome recorded
Phase 1/2 NCT03160001 Aug 2017 → Aug 2018 rheumatoid arthritis Faiq Gorial Completed No outcome recorded
Phase 29 trials
Phase 2 NCT05226533 Mar → Dec 2022 COVID-19 Daewoong Pharmaceutical Co. LTD. Terminated No outcome recorded
Phase 2 NCT04436458 Jan 2022 COVID-19 Entero Therapeutics Withdrawn No outcome recorded
Phase 2 NCT04542434 Jan 2022 COVID-19 Entero Therapeutics Withdrawn No outcome recorded
Phase 2 NCT04932915 Sep 2021 → Jan 2022 COVID-19 UNION therapeutics Terminated No outcome recorded
Phase 2 NCT04858425 Apr 2021 → Jun 2022 COVID-19 Entero Therapeutics Terminated No outcome recorded
Phase 2 NCT04753619 Jan → Dec 2021 COVID-19, severe acute respiratory syndrome University of Baghdad Unknown No outcome recorded
Phase 2 NCT04296851 Feb 2020 → Dec 2022 classic familial adenomatous polyposis Yonsei University Unknown No outcome recorded
Phase 2 NCT02807805 Oct 2016 → May 2025 overdue metastatic prostate carcinoma Mamta Parikh Active not recruiting No outcome recorded
Phase 2 NCT02519582 Aug 2015 → Dec 2019 colorectal cancer Charite University, Berlin, Germany Unknown No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT04603924 Oct 2020 → Feb 2022 COVID-19 NeuroBo Pharmaceuticals Inc. Completed No outcome recorded
Phase 32 trials
Phase 3 NCT04558021 Oct 2020 → Jan 2021 COVID-19 Imuneks Farma ilac San. Tic. A.S. Unknown No outcome recorded
Phase 3 NCT04372082 May 2020 → May 2023 COVID-19 University Hospital, Lille Withdrawn No outcome recorded
Phase 41 trial
Phase 4 NCT05087381 Oct 2021 → Jun 2022 Chulalongkorn University Completed No outcome recorded
Phase not applicable2 trials
NCT01296958 May 2011 → Jan 2013 taeniasis Oregon Health and Science University Completed No outcome recorded
NCT00138359 Dec 2004 → Jan 2005 parasitic intestinal disorder National Institute of Allergy and Infectious Diseases (NIAID) Terminated No outcome recorded
Also used as a comparator or background therapy in 5 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT04644705 Comparator Nov 2020 → May 2021 Charité Research Organisation GmbH Completed No outcome recorded
Phase 22 trials
Phase 2 NCT04750759 Comparator Feb → Oct 2021 COVID-19 Charité Research Organisation GmbH Terminated No outcome recorded
Phase 2 NCT04399356 Comparator Oct 2020 → Apr 2021 COVID-19 Tufts Medical Center Completed No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT04870333 Comparator Feb 2021 → Apr 2025 COVID-19 Cambridge University Hospitals NHS Foundation Trust Completed No outcome recorded
Phase 31 trial
Phase 3 NCT04317430 Comparator Feb 2020 → Apr 2022 diabetic kidney disease Tanta University Completed No outcome recorded

Evidence & citations 11 cited values

Every value below carries the sentence it was read from. 33 sources stand behind the page.

FieldValueCited text
Known as Niclosamide “A Double-blind, Randomized, Placebo-controlled, Single-ascending Dose Phase I Study to Evaluate the Safety, Tolerability and Pharmacokinetic Properties of Niclosamide...” NCT04749173
30

Niclosamide is a broad spectrum, host tageting antiviral that inhibits viral replication” NCT04576312

Niclosamide 432mg (intramuscular injection) + Remdesivir” NCT05226533

Niclosamide Injectable (DWRX2003)” NCT04592835

NCT02519582

NCT04705415

NCT05188170

NCT04436458

NCT04317430

NCT02807805

NCT03160001

NCT04753619

NCT04558021

NCT01296958

NCT04644705

NCT04858425

NCT04870333

NCT02532114

NCT03123978

NCT04399356

NCT03521232

NCT05087381

NCT02687009

NCT04932915

NCT04603924

NCT04372082

NCT04750759

NCT05168644

NCT04542434

NCT00138359

NCT04296851

Known as CP-PCA07 ClinicalTrials.gov intervention name — accepted as the source's own label NCT07683013
Known as DWRX2003 “A Double-blind, Randomized, Placebo-controlled, Single-ascending Dose Phase I Study to Evaluate the Safety, Tolerability and Pharmacokinetic Properties of Niclosamide...” NCT04749173
1

“Niclosamide Injectable (DWRX2003)” NCT04592835

Known as Niclosamide Ethanolamine “INN: Niclosamide Ethanolamine Chemical name (IUPAC): 5-chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxybenzamide.2 aminoethanol CAS registry number: 1420-04-8 Lab code: UNI911” NCT04870333
Known as Niclosamide Pill “Drug: Niclosamide PillNCT05087381
Known as PDMX1001 “niclosamide (PDMX1001/niclosamide)” NCT03123978
Known as UNI911 “Safety of Ascending Doses of Niclosamide (UNI911 INHALATION) in Healthy Volunteers” NCT04576312
Known as UNI91103 “Safety and Efficacy of Intranasal Administration of Niclosamide (UNI91103) in Adults With Asymptomatic or Mild COVID-19” NCT04932915
Action Inhibit “Niclosamide is a drug that may block another signal that can cause prostate cancer cell growth.” NCT02807805
Route Oral “Single oral dose of niclosamide determined by weight” NCT01296958
Target AR “Potential mechanisms of action include degrading constitutively active androgen receptor splice variants (AR-Vs)” PMID 29856824 Jun 2018