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Azithromycin Plus Chloroquine Versus Atovaquone-Proguanil For The Treatment Of Uncomplicated Plasmodium Falciparum Malaria In South America

Information source: Pfizer
Information obtained from ClinicalTrials.gov on June 20, 2008
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Malaria, Falciparum

Intervention: Azithromycin/Chloroquine (Drug); Atovaquone/Proguanil (Drug)

Phase: Phase 2/Phase 3

Status: Completed

Sponsored by: Pfizer

Official(s) and/or principal investigator(s):
Pfizer CT.gov Call Center, Study Director, Affiliation: Pfizer

Summary

The primary objective is to confirm the hypothesis that azithromycin plus chloroquine is non-inferior to atovaquone-proguanil for the treatment of symptomatic, uncomplicated malaria due to P. falciparum.

Clinical Details

Official title: A Phase Ii/Iii, Randomized, Double Blind, Comparative Trial Of Azithromycin Plus Chloroquine Versus Atovaquone-Proguanil For The Treatment Of Uncomplicated Plasmodium Falciparum Malaria In South America

Study design: Treatment, Randomized, Double-Blind, Active Control, Parallel Assignment, Safety/Efficacy Study

Primary outcome: parasite clearance

Secondary outcome: tolerability and safety

Eligibility

Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.

Criteria:

Inclusion Criteria:

- Written informed consent of the subject or a legally authorized representative

- Females and males >= 18 years of age with uncomplicated, symptomatic malaria as

indicated by the presence of both of the following: a.) Blood smears positive for

Plasmodium falciparum asexual parasitemia between 1000 - 40,000 parasites/mL; b.)

Fever or history of fever (>= 38. 5 C/101. 2 F rectal or tympanic; >= 37. 5 C/99. 5 F axillary or >= 38 C/100. 4 F oral) within the prior 24 hours

- Serum glucose >= 60 mg/dL (by fingerstick or peripheral blood collection)

- Positive rapid diagnostic test (Binax NOW ICT) positive for P. falciparum

- Subjects must be willing to be treated in the inpatient setting for a minimum of three

days or more until parasitemia has cleared and the Investigator deems the subject fit for discharge

- Women of childbearing potential (that is, women who have not been surgically

sterilized or are not clearly post-menopausal), must have a negative urine gonadotropin prior to entry into the study and must agree to use adequate contraception during the entire study and for one month after the last study visit

Exclusion Criteria:

- Severe or complicated malaria including subjects with any of the following: a.)

Impaired consciousness (e. g. obtundation, unarousable coma, delirium, stupor), seizures (any seizure within a 24 hour prior to enrollment) or abnormal neurologic exam suggestive of severe or complicated malaria b.) Hemoglobinuria c.) Jaundice d.) Respiratory distress (respiratory rate ≥ 30 breaths/minute) e.) Persistent vomiting f.) Hematuria, as reported by the patient

- Pregnant or breast-feeding women

- History of allergy to or hypersensitivity to azithromycin or any macrolide,

atovaquone, proguanil or chloroquine

- Concomitant administration of rifampin or rifabutin and metoclopramide

- History of epilepsy or psoriasis

- History of treatment with any antimalarial drug (chloroquine, quinine, mefloquine,

atovaquone/proguanil, sulfadoxine/pyrimethamine, artemisinin compounds) or antibacterial with known antimalarial activity (macrolides, doxycycline, clindamycin) within 2 weeks prior to enrollment into the study

- Known or suspected cardiovascular, hepatic or renal abnormality that in the opinion of

the Investigator would place the subject at increased risk to participate in the study. The following findings are specific exclusions: a.) Known or suspected creatinine clearance <30 mL/min b.) ALT and/or AST > 3 x upper limit of normal

- Inability to swallow oral medication in tablet or capsule form

- Treatment with other investigational drugs within 30 days prior to enrollment into the

study

- Alcohol and/or any other drug abuse

- Requirement to use medication during the study that might interfere with the

evaluation of the study drug

- Specific systemic diseases or other medical conditions that would interfere with the

evaluation of the therapeutic response or safety of the study drug

- Inability to comprehend and/or unwillingness follow to the study protocol

- Prior participation in this study

Locations and Contacts

Additional Information

Starting date: July 2004
Ending date: July 2005
Last updated: July 23, 2006

Page last updated: June 20, 2008

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