Drugs / Dapsone
last change Jun 2026 re-read 9 days ago

Dapsone

Small molecule

Developed for
acne · HIV infectious disease · malaria · pneumocystosis · Plasmodium falciparum malaria · acneiform dermatitis · acquired aneurysmal subarachnoid hemorrhage · acute respiratory distress syndrome
+21 more · anemia · autoimmune thrombocytopenia · bullous pemphigoid · COVID-19 · cutaneous polyarteritis nodosa · cutaneous vasculitis · dermatitis herpetiformis · exanthem · immunoglobulin A vasculitis · iron deficiency anemia · leprosy · mucous membrane pemphigoid · neoplasm · pemphigus vulgaris · Plasmodium vivax malaria · pulmonary fibrosis · rosacea · stroke disorder · tuberculosis · linear IgA Dermatosis · prurigo
Investigated by
Allergan · Jacobus Pharmaceutical · London School of Hygiene and Tropical Medicine · Almirall, S.A. · National Institute of Allergy and Infectious Diseases (NIAID) · Centers for Disease Control and Prevention
+60 more · Derm Research, PLLC · El Instituto Nacional de Neurologia y Neurocirugia Manuel Velasco Suarez · Institute of Tropical Medicine, Belgium · Liverpool School of Tropical Medicine · Ministry of Health, Malawi · National Institute for Medical Research, Tanzania · Agencia Española de Cooperación Internacional · Albert Schweitzer Hospital · All India Institute of Medical Sciences, Bhubaneswar · Assistance Publique - Hôpitaux de Paris · Assiut University · Bausch Health Americas, Inc. · Bill and Melinda Gates Foundation · Bristol-Myers Squibb · Catawba Research · Centre Muraz · Cidat, S.A. de C.V. · Dr. Frank Arguello Cancer Clinic · East African Network for Monitoring Antimalarial Treatment · Fujisawa Pharmaceutical Co · Glaxo Wellcome · GlaxoSmithKline · HealthNet TPO · Hospital Clinic of Barcelona · Hunt Regional Medical Center · Icahn School of Medicine at Mount Sinai · Instituto de Ciencia y Medicina Genomica, Torreon, Coah. Mexico www.institutodeciencia.com · Istanbul Training and Research Hospital · Jinnah Postgraduate Medical Centre · Kenya Medical Research Institute · Kilimanjaro Christian Medical Centre, Tanzania · Kintampo Health Research Centre, Ghana · Malaria Research and Training Center, Bamako, Mali · Manhiça Health Research Centre · Mansoura University · Mbarara University of Science and Technology · Medical Research Council · Memorial Sloan Kettering Cancer Center · Ministry of Health, Rwanda · National Center for Advancing Translational Sciences (NCATS) · National Center for Research Resources (NCRR) · National Heart, Lung, and Blood Institute (NHLBI) · National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) · National Malaria Control Programme, The Gambia · Office of Rare Diseases (ORD) · Oya Helin Dundar · Tanta University · Texas Tech University Health Sciences Center · Torrent Pharmaceuticals Limited · Tropical Diseases Research Centre, Zambia · U.S. Bioscience · Uganda Malaria Surveillance Project · University Hospital Tuebingen · University of Barcelona · University of Calabar · University of Copenhagen · University of Pennsylvania · Vanderbilt University Medical Center · WFH MEDICAL, LLC · World Health Organization

Regulatory milestones approvals, filings & regulatory actions · 3 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansions (2) US (FDA) ACZONE — 2008-03-14 – 2019-09-10 fda.gov ↗
Approved US (FDA) DAPSONE — 1979-07-03 fda.gov ↗

Trials 57

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT04918914 Oct 2020 → Dec 2021 COVID-19, acute respiratory distress syndrome Hunt Regional Medical Center Unknown No outcome recorded
Phase 18 trials
Phase 1 NCT02117739 Apr → Jul 2014 — Almirall, S.A. Completed No outcome recorded
Phase 1 NCT02117752 Apr → Jul 2014 — Almirall, S.A. Completed No outcome recorded
Phase 1 NCT02108483 Apr → May 2014 — Almirall, S.A. Completed No outcome recorded
Phase 1 NCT01785836 Mar → Oct 2013 acne Allergan Withdrawn No outcome recorded Stop: Enrollment
Phase 1 NCT00126971 Jul 2005 → ? Plasmodium falciparum malaria Centers for Disease Control and Prevention Terminated No outcome recorded
Phase 1 NCT00002120 — HIV infectious disease, pneumocystosis U.S. Bioscience Completed No outcome recorded
Phase 1 NCT00000826 ? → May 1999 HIV infectious disease, bacterial infectious disease, fungal infectious disease National Institute of Allergy and Infectious Diseases (NIAID) Completed No outcome recorded
Phase 1 NCT00000739 ? → Jun 1998 HIV infectious disease, pneumocystosis National Institute of Allergy and Infectious Diseases (NIAID) Completed No outcome recorded
Phase 28 trials · 1 missed
Phase 2 NCT05899699 Jun → Sep 2023 acne Mansoura University Unknown No outcome recorded
Phase 2 NCT05926869 Aug → Dec 2022 acne Jinnah Postgraduate Medical Centre Completed No outcome recorded
Phase 2 NCT02939573 Jan 2017 → Dec 2028 expected cutaneous polyarteritis nodosa, cutaneous vasculitis, immunoglobulin A vasculitis University of Pennsylvania Recruiting No outcome recorded
Phase 2 NCT02366884 Jul 2011 → Dec 2022 neoplasm Dr. Frank Arguello Cancer Clinic Unknown No outcome recorded
Phase 2 NCT00343187 Jun 2006 → Jul 2007 exanthem, non-small cell lung carcinoma Allergan Terminated No outcome recorded Stop: Enrollment
Phase 2 NCT00249782 Nov 2005 → May 2006 rosacea Allergan Completed No outcome recorded
Phase 2 NCT00429533 Nov 1996 → Feb 2004 pemphigus vulgaris Jacobus Pharmaceutical Terminated Missed primary
Phase 2 NCT00000596 Jun 1978 → Jan 1983 pulmonary fibrosis, sarcoidosis National Heart, Lung, and Blood Institute (NHLBI) Completed No outcome recorded
Phase 2/33 trials · 2 met primary
Phase 2/3 NCT04744623 Sep → Dec 2020 mucous membrane pemphigoid Tanta University Unknown No outcome recorded
Phase 2/3 NCT01144650 Jul 2009 → Aug 2010 stroke disorder Cidat, S.A. de C.V. Unknown Met primary
Phase 2/3 NCT00158574 Jan 2005 → Apr 2008 malaria London School of Hygiene and Tropical Medicine Completed Met primary
Phase 317 trials · 1 met primary · 2 missed
Phase 3 NCT04015375 Jul 2019 → Feb 2020 acne Torrent Pharmaceuticals Limited Completed No outcome recorded
Phase 3 NCT02627417 Dec 2015 → May 2019 autoimmune thrombocytopenia Assistance Publique - Hôpitaux de Paris Unknown Missed primary
Phase 3 NCT01974323 Nov 2013 → Oct 2014 acne Almirall, S.A. Completed No outcome recorded
Phase 3 NCT01974141 Nov 2013 → Oct 2014 acne Almirall, S.A. Completed No outcome recorded
Phase 3 NCT01931150 Aug 2013 → Sep 2015 acneiform dermatitis, cancer Memorial Sloan Kettering Cancer Center Completed No outcome recorded
Phase 3 NCT05131295 Sep 2007 → Dec 2008 acquired aneurysmal subarachnoid hemorrhage, brain ischemia, intracranial vasospasm El Instituto Nacional de Neurologia y Neurocirugia Manuel Velasco Suarez Completed No outcome recorded
Phase 3 NCT00393679 Jul 2007 → Dec 2009 malaria Institute of Tropical Medicine, Belgium Completed Mixed
Phase 3 NCT00361114 Jul 2006 → Aug 2007 malaria London School of Hygiene and Tropical Medicine Terminated No outcome recorded
Phase 3 NCT00344006 Jun 2006 → Aug 2007 Plasmodium falciparum malaria GlaxoSmithKline Completed Met primary
Phase 3 NCT00151541 Feb → Jul 2005 acne Allergan Completed No outcome recorded
Phase 415 trials
Phase 4 NCT07244887 Jun 2025 → Feb 2026 acne Oya Helin Dundar Completed No outcome recorded
Phase 4 NCT05984381 Aug 2023 → Jan 2025 bullous pemphigoid All India Institute of Medical Sciences, Bhubaneswar Completed No outcome recorded
Phase 4 NCT05296460 Sep 2022 → Oct 2023 acne Assiut University Unknown No outcome recorded
Phase 4 NCT03681470 Apr 2019 → May 2021 acne Icahn School of Medicine at Mount Sinai Completed No outcome recorded
Phase 4 NCT02959970 Oct 2016 → Mar 2018 acne Almirall, S.A. Completed No outcome recorded
Phase 4 NCT02944461 Oct 2016 → Sep 2017 acne Derm Research, PLLC Completed No outcome recorded
Phase 4 NCT02032407 Dec 2013 → Jun 2014 acne Allergan Completed No outcome recorded
Phase 4 NCT01885910 Jul 2013 → Jul 2014 acne Derm Research, PLLC Completed No outcome recorded
Phase 4 NCT01313728 Dec 2010 acne Bausch Health Americas, Inc. Completed No outcome recorded
Phase 4 NCT01165840 Jul 2010 → May 2012 leprosy, obesity disorder, tuberculosis Texas Tech University Health Sciences Center Completed No outcome recorded
Phase not applicable5 trials · 1 missed
— NCT00461578 Apr 2005 → Oct 2006 malaria London School of Hygiene and Tropical Medicine Completed Missed primary
— NCT00111163 Mar 2004 → Mar 2006 anemia, malaria Centers for Disease Control and Prevention Completed Mixed
— NCT00497471 Feb 1995 → Jul 1999 Plasmodium falciparum malaria, iron deficiency anemia Hospital Clinic of Barcelona Terminated No outcome recorded
— NCT00002043 — HIV infectious disease, pneumocystosis Jacobus Pharmaceutical Completed No outcome recorded
— NCT00002283 — HIV infectious disease, pneumocystosis Jacobus Pharmaceutical Completed No outcome recorded
Comparator or background therapy20 trials
Phase 1 NCT03132194 Comparator Aug 2016 → Jan 2017 acne Sun Pharmaceutical Industries, Inc. Completed No outcome recorded
Phase 1 NCT02929719 Comparator Apr 2014 → Jun 2016 acne Sun Pharmaceutical Industries, Inc. Completed No outcome recorded
Phase 1 NCT01773122 Comparator Jan → May 2013 acne Allergan Completed No outcome recorded
Phase 1 NCT01425320 Comparator Jan → Jun 2013 acne Allergan Withdrawn No outcome recorded Stop: Enrollment
Phase 1 NCT02493283 Comparator Sep 2011 → Jun 2012 linear IgA Dermatosis, methemoglobinemia University Medicine Greifswald Completed No outcome recorded

News releases announcing trial results or a regulatory action · 9

DateIssuerRelease
2026-06-23 AbbVie Regulatory AbbVie Announces European Commission Approval of MAVIRET® (Glecaprevir/Pibrentasvir) for People with Acute Hepatitis C Virus Infection abbvie.com ↗
MAVIRET ® (glecaprevir/pibrentasvir) is now approved in the European Union for the treatment of acute hepatitis C virus (HCV) infection with compensated liver disease (with or without cirrhosis) in adults and children aged 3 years and older.
2026-06-01 Alembic Pharmaceuticals Ltd. Regulatory 26th June, 2026 Vadodara, India alembicpharmaceuticals.com ↗
Alembic Pharmaceuticals Limited (Alembic) today announced that it has received final approval from the US Food & Drug Administration (USFDA) for its Abbreviated New Drug Application (ANDA) Dapsone Gel, 5%.
2026-05-22 AbbVie Regulatory AbbVie Announces Positive CHMP Opinion for MAVIRET® (glecaprevir/pibrentasvir) for the Treatment of Acute Hepatitis C Infection abbvie.com ↗
2024-05-09 Zydus Lifesciences Limited Regulatory Zydus receives final approval from USFDA for Dapsone Gel, 7.5% zyduslife.com ↗
Zydus Lifesciences Limited (including its subsidiaries/ affiliates, hereafter referred to as “Zydus”) has received final approval from the United States Food and Drug Administration (USFDA) to market Dapsone Gel, 7.5%, (USRLD: Aczone® Gel 7.5%).
2024-01-01 Alembic Pharmaceuticals Ltd. Regulatory Press Release USFDA Products Approvals For the Qtr ended 31st Dec, 2023 alembicpharmaceuticals.com ↗
2023-07-03 Impax Laboratories, LLC Regulatory Amneal Launches Authorized Generic for Xyrem® (sodium oxybate) and Receives FDA Approval for Five Complex Generics in the Second Quarter amneal.com ↗
In addition, the Company announced it has received Abbreviated New Drug Application (ANDA) approvals from the U.S. Food and Drug Administration (“FDA”) for five complex generics products.
2020-01-15 GlaxoSmithKline Regulatory Dovato (dolutegravir/lamivudine), the once-daily, single-pill, 2-drug regimen for the treatment of HIV-1 infection, granted marketing approval by Japan Ministry of Health, Labour and Welfare gsk.com ↗
Japan and UK ViiV Healthcare, the global specialist HIV company majority owned by GSK, with Pfizer Inc. and Shionogi Limited as shareholders, announced that it has obtained approval of Dovato (dolutegravir 50 mg/lamivudine 300 mg) from the Japan Ministry of Health, Labour and Welfare (MHLW) for the treatment of HIV-1 infection in adults and adolescents above 12 years of age weighing at least 40 kg, to be administered orally, with or without food.
2019-08-02 AbbVie Regulatory AbbVie's MAVIRET™ (glecaprevir/pibrentasvir) Approved by European Commission to Shorten Treatment Duration to Eight Weeks for Treatment-Naïve Patients with Chronic Hepatitis C and Compensated Cirrhosis abbvie.com ↗
2017-07-28 AbbVie Regulatory European Commission Grants AbbVie's MAVIRET® (glecaprevir/pibrentasvir) Marketing Authorization for the Treatment of Chronic Hepatitis C in All Major Genotypes (GT1-6) abbvie.com ↗
AbbVie (NYSE: ABBV), a global biopharmaceutical company, today announced that the European Commission has granted marketing authorization for MAVIRET® (glecaprevir/pibrentasvir), a once-daily, ribavirin-free treatment for adults with chronic hepatitis C virus (HCV) infection across all major genotypes (GT1-6).

All press releases naming this drug 9 releases

DateIssuerRelease

Evidence & citations 23 cited values

Every value below carries the sentence it was read from. 80 sources stand behind the page.

FieldValueCited text
Known as Dapsone “Bacterial or Viral infection treatment may include: Doxycycline, Minocycline, Nitazoxanide, Hydroxychloroquine, Rifampin, Dapsone, Azithromycin, Tetracycline, Benzathine...” NCT05894954 ↗
76

“Combination therapy of topical anti-inflammatory agent (Dapsone 5%) and anti-androgenic agent (Flutamide 2.5%) with anti-bacterial agent of micro-emulsion component (tea tree oil 5%)” NCT05899699 ↗

“Artesunate+chlorproguanil-dapsone (AS+CD) was a potential alternative for treatment of uncomplicated malaria.” PMID 18575626 ↗ Jun 2008

“antibiotics (Bactrim, Pentamidine, Atovaquone, Primaquine/Clindamycin, or Trimethoprim/Dapsone)” NCT00636935 ↗

“Doxycycline, Paramomycin, Clarithromycin, Clindamycin, Dapsone, Miltefosine” NCT02366884 ↗

“The active drug ingredient in ACZONE Gel, 5% is dapsone.” NCT00243542 ↗

“dapsone 7.5” NCT03132194 ↗

“dapsone” NCT02929719 ↗

“Dapsone” NCT01885910 ↗

“Dapsone” NCT03681470 ↗

NCT00001028 ↗

Show 66 more sources

Known as 4,4'-diaminodiphenylsulfone “In 2 clinical trials of antimalarial preparations containing dapsone (4,4'-diaminodiphenylsulfone; 2.5 mg/kg once daily for 3 days), 95 G6PD-deficient hemizygous boys, 24...” PMID 22993389 ↗ Sep 2012
Known as ACZONE “Research has demonstrated that Aczone ® (dapsone) gel, 7.5% used once daily is effective, safe, and well-tolerated for the treatment of acne” NCT03681470 ↗
4

“Dapsone (ACZONE) 7.5% gel topically once daily.” NCT02959970 ↗

“ACZONE® (dapsone) gel, 7.5% (Allergan, INC.)” NCT04015375 ↗

“ACZONE (dapsone) Gel, 5%, 2x/day” NCT00249782 ↗

“ACZONE (dapsone) Gel, 5%” NCT00343187 ↗

Known as ACZONE (dapsone) Gel “ACZONE® (dapsone) Gel” NCT00964366 ↗
Known as ACZONE (dapsone) Gel, 5% “ACZONE™ (dapsone) Gel, 5%” NCT01115244 ↗
Known as Dapson-Fatol “Administration of two tablets Dapson-Fatol 50 mg Tabletten (= 100 mg dapsone)” NCT02493283 ↗
Known as Dapsona ChEMBL registry synonym — accepted as the source's own label CHEMBL1043 ↗
Known as Dapsone Topical Gel “Dapsone Topical Gel + adapalene gel 0.1%” NCT00151541 ↗
Known as Dapsonum ChEMBL registry synonym — accepted as the source's own label CHEMBL1043 ↗
Known as DDS “The combination of chlorproguanil HCl (CPG) and dapsone (DDS) as chlorproguanil-dapsone has already been shown to be efficacious against P.falciparum in adults and children in...” NCT00371735 ↗
4

“With minimal bactericidal activity, sulfone (diaminodiphenyl sulfone, or DDS), commonly referred to as dapsone, primarily acts as a bacteriostatic agent.” NCT06819449 ↗

“Chlorproguanil (CPG)-dapsone (DDS)-artesunate was in development for the treatment of uncomplicated Plasmodium falciparum malaria.” PMID 19517101 ↗ Jun 2009

“Dapsone (diamino diphenyl sulphone, DDS) was synthesized by Emil Fromm and Jakob Wittmann in Freiburg (Germany) in 1908.” NCT02493283 ↗

“Dapsone(DDS)-naive patients” NCT02550080 ↗

Known as diamino diphenyl sulphone “Dapsone (diamino diphenyl sulphone, DDS) was synthesized by Emil Fromm and Jakob Wittmann in Freiburg (Germany) in 1908.” NCT02493283 ↗
Known as diaminodiphenyl sulfone “With minimal bactericidal activity, sulfone (diaminodiphenyl sulfone, or DDS), commonly referred to as dapsone, primarily acts as a bacteriostatic agent.” NCT06819449 ↗
Known as Diaphenylsulfone ChEMBL registry synonym — accepted as the source's own label CHEMBL1043 ↗
Known as Disulone “Dapsone (Disulone®)” NCT02627417 ↗
Known as DTG “5% Dapsone Topical Gel, (DTG)” NCT00151541 ↗
Known as J04BA02 ChEMBL registry synonym — accepted as the source's own label CHEMBL1043 ↗
Known as Novophone ChEMBL registry synonym — accepted as the source's own label CHEMBL1043 ↗
Known as NSC-6091 ChEMBL registry synonym — accepted as the source's own label CHEMBL1043 ↗
Known as NSC-6091D ChEMBL registry synonym — accepted as the source's own label CHEMBL1043 ↗
Known as Servidapson ChEMBL registry synonym — accepted as the source's own label CHEMBL1043 ↗
Action Inhibit “its glutamate receptors antagonistic effect” NCT05131295 ↗
Modality Small molecule “Dapsone is a "4,40-diamino diphenyl sulfone" compound” NCT05296460 ↗
Route Oral “two oral treatments for mild to moderate Pneumocystis carinii pneumonia (PCP): dapsone/trimethoprim or clindamycin/primaquine as compared to a standard treatment program of...” NCT00000640 ↗