MedPath

Chloroquine

Generic Name
Chloroquine
Drug Type
Small Molecule
Chemical Formula
C18H26ClN3
CAS Number
54-05-7
Unique Ingredient Identifier
886U3H6UFF
Background

Chloroquine is an aminoquinolone derivative first developed in the 1940s for the treatment of malaria. It was the drug of choice to treat malaria until the development of newer antimalarials such as pyrimethamine, artemisinin, and mefloquine. Chloroquine and its derivative hydroxychloroquine have since been repurposed for the treatment of a number of other conditions including HIV, systemic lupus erythematosus, and rheumatoid arthritis.

The FDA emergency use authorization for hydroxychloroquine and chloroquine in the treatment of COVID-19 was revoked on 15 June 2020.

Chloroquine was granted FDA Approval on 31 October 1949.

Indication

Chloroquine is indicated to treat infections of P. vivax, P. malariae, P. ovale, and susceptible strains of P. falciparum. It is also used to treat extraintestinal amebiasis.

Chloroquine is also used off label for the treatment of rheumatic diseases, as well as treatment and prophylaxis of Zika virus. Chloroquine is currently undergoing clinical trials for the treatment of COVID-19.

Associated Conditions
Discoid Lupus Erythematosus (DLE), Extraintestinal Amebiasis, Malaria, Polymorphic Light Eruption (PLE), Porphyria Cutanea Tarda, Rheumatoid Arthritis, Sarcoidosis, Acute, uncomplicated Malaria

Efficacy and Tolerability of Artesunate Amodiaquine Versus Chloroquine in the Treatment of Uncomplicated Plasmodium Vivax Malaria

Phase 3
Completed
Conditions
Malaria
Interventions
First Posted Date
2011-06-22
Last Posted Date
2013-07-18
Lead Sponsor
Sanofi
Target Recruit Count
380
Registration Number
NCT01378286
Locations
🇧🇷

Administrative office, Sao Paulo, Brazil

Clinical Trial for Evaluation of Ethnic Differences in Pharmacokinetics of Chloroquine, an Anti-malarial Drug

Phase 1
Completed
Conditions
Healthy Volunteers
Interventions
First Posted Date
2011-06-06
Last Posted Date
2015-01-26
Lead Sponsor
Asan Medical Center
Target Recruit Count
10
Registration Number
NCT01366235
Locations
🇰🇷

Asan Medical Center, Seoul, Korea, Republic of

Study to Evaluate the Efficacy and Safety of Tafenoquine for the Treatment of Plasmodium Vivax in Adults

Phase 2
Terminated
Conditions
Malaria
Plasmodium Vivax
Interventions
First Posted Date
2011-02-07
Last Posted Date
2018-02-23
Lead Sponsor
U.S. Army Medical Research and Development Command
Target Recruit Count
70
Registration Number
NCT01290601
Locations
🇹🇭

Bangkok Hospital for Tropical Diseases/Mahidol University, Bangkok, Thailand

Experimental Human Malaria Infection After Immunization With Plasmodium Falciparum Sporozoites Under Chloroquine Prophylaxis

Not Applicable
Completed
Conditions
Plasmodium Falciparum Malaria
Interventions
Biological: Immunization
Biological: Plasmodium falciparum Bloodstage challenge
Biological: Plasmodium falciparum mosquito challenge
First Posted Date
2010-11-07
Last Posted Date
2014-01-22
Lead Sponsor
Radboud University Medical Center
Target Recruit Count
25
Registration Number
NCT01236612
Locations
🇳🇱

Radboud University Nijmegen Medical Centre, Nijmegen, Netherlands

Immunization With Different Doses of Plasmodium Falciparum Sporozoites Under Chloroquine Prophylaxis

Not Applicable
Completed
Conditions
Plasmodium Falciparum Malaria
Interventions
Biological: Immunization
Biological: Plasmodium falciparum challenge
First Posted Date
2010-10-11
Last Posted Date
2012-04-02
Lead Sponsor
Radboud University Medical Center
Target Recruit Count
30
Registration Number
NCT01218893
Locations
🇳🇱

Leiden University Medical Centre, Leiden, Netherlands

G6PD (Glucose-6-phosphate Dehydrogenase) Study to Evaluate Hemolysis Potential of TFQ (Tafenoquine)

Phase 1
Completed
Conditions
Malaria
Interventions
First Posted Date
2010-09-20
Last Posted Date
2017-06-07
Lead Sponsor
GlaxoSmithKline
Target Recruit Count
192
Registration Number
NCT01205178
Locations
🇹🇭

GSK Investigational Site, Tak, Thailand

Estimating the Risk of Plasmodium Vivax Relapses in Afghanistan

Phase 4
Completed
Conditions
Vivax Malaria
Interventions
Drug: Chloroquine/Primaquine
First Posted Date
2010-08-09
Last Posted Date
2019-01-15
Lead Sponsor
University of Oxford
Target Recruit Count
593
Registration Number
NCT01178021
Locations
🇦🇫

Provincial Malaria Control Centers (MRC), Kunduz, Afghanistan

Efficacy of Artemisinin Combination Therapies for the Treatment of Uncomplicated P. Vivax in Pregnancy in Brazil (PAACT-PV)

Phase 4
Terminated
Conditions
Plasmodium Vivax Malaria
Interventions
First Posted Date
2010-04-20
Last Posted Date
2012-04-13
Lead Sponsor
Centers for Disease Control and Prevention
Target Recruit Count
16
Registration Number
NCT01107145
Locations
🇧🇷

Hospital Geral Maternidade de Cruzeiro do Sul, Cruzeiro do Sul, Acre, Brazil

🇧🇷

Centro de Pesquisa em Patologias Tropicais, Porto Velho, Rondonia, Brazil

🇧🇷

Hospital Municipal Teonila Alves, Anajas, Para, Brazil

A Phase 1 Study To Estimate The Relative Bioavailability Of Co-Administered Formulations Of Azithromycin Microsphere And Chloroquine Test Formulation Compared With Co-Administered Immediate Release Individual Azithromycin And Chloroquine Tablets In Healthy Adult Subjects

Phase 1
Completed
Conditions
Malaria Prophylaxis
Interventions
First Posted Date
2010-04-08
Last Posted Date
2010-08-25
Lead Sponsor
Pfizer
Target Recruit Count
40
Registration Number
NCT01100060
Locations
🇺🇸

Pfizer Investigational Site, New Haven, Connecticut, United States

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