- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00340691
Doxycycline to Treat Mansonella Perstans Infection in Patients With and Without Lymphatic Filariasis
Treatment of Mansonella Perstans Infection in an Area Coendemic for Lymphatic Filariasis: A Pilot Study of the Effects of Doxycycline
This study will examine: 1) the safety and effectiveness of the drug doxycycline in reducing the number of Mansonella perstans (Mp) worms in the blood of infected patients, and 2) the effects of doxycycline followed by albendazole and ivermectin treatment for lymphatic filariasis, caused by the parasitic worm Wuchereria bancofti (Wb).
Both Mp and Wb very small filarial worms that are spread by mosquitoes. Some people are infected with both Mp and Wb. Although most people do not become ill from infection with these parasites, some develop symptoms. Wb can cause swellings in the arms, legs, breast, and scrotum, and can progress to permanent swelling of the legs or arms called elephantiasis. Mp can cause itching, swelling, fever, headache, or other symptoms. Ivermectin and albendazole are medicines used to treat lymphatic filariasis. They eliminate the Wb parasite from the blood but do not affect Mp. Doxycycline is used to treat many kinds of infections and has also recently been shown to reduce the number of filarial worms in several types of filarial infections. The drug may be useful in Mp infections as well.
Residents of Sabougou and nearby villages in Mali who are infected with the Mp parasite, are between 14 and 65 years of age, are in good health, are not pregnant or breastfeeding, and weigh at least 40 kg (88 lb) may be eligible for this study. They may or may not also be infected with Wb. Candidates are screened with a brief medical history and physical examination and blood tests to look for infection with Mp and Wb.
Participants undergo a complete physical examination and medical history. Blood is drawn for routine blood tests. Participants are then randomly assigned to one of four treatment groups, as follows: 1) doxycycline for 6 weeks; 2) doxycycline for 6 weeks followed by a single dose of albendazole and ivermectin given 6 months after the beginning of doxycycline treatment; 3) a single dose of albendazole and ivermectin given 6 months after the beginning of doxycycline treatment; or 4) no treatment. Only patients infected with Wb receive albendazole and ivermectin treatment.
All participants, whether or not they receive doxycycline, come to the clinic every day for 6 weeks. Every 2 weeks during this time, they have a blood test and, in women of childbearing age, a urine pregnancy test. After 6 months, they have a medical history, physical examination, and blood tests. Subjects in the albendazole/ivermectin treatment group are given the pills to take at that time. One year and three years after beginning the study, participants return to the clinic for a final history, physical examination, and blood tests.
At the end of the first year of the study, all participants who tested positive for lymphatic filariasis but did not receive ivermectin and albendazole will be offered treatment with these medicines Ivermectin and albendazole will also be distributed by the Mali government to everyone in the villages as part of a program to eliminate lymphatic filariasis in the country.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment
Phase
- Phase 2
Contacts and Locations
Study Locations
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Maryland
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Bethesda, Maryland, United States, 20892
- National Institute of Allergy and Infectious Diseases (NIAID), 9000 Rockville Pi
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
- INCLUSION CRITERIA - SCREENING:
Age 14 to 65.
Both genders.
Not pregnant or breastfeeding by history.
EXCLUSION CRITERIA - SCREENING:
Non-volunteers.
Age less than 14 or greater than 65.
Pregnant or breastfeeding by history.
INCLUSION CRITERIA - TREATMENT:
Age 14 to 65 years.
Men and non-pregnant or breastfeeding women.
EXCLUSION CRITERIA - TREATMENT:
Non-volunteers.
Age less than 14 or greater than 65.
Pregnancy or breast-feeding.
Hgb less than or equal to 10 g/dl.
Cr greater than 1.4/100 ml.
ALT greater than 45 U or bilirubin greater than 1.5.
Weight less than 40 kg.
Heavy alcohol use (more than 1 beer or other alcohol-containing drink/day).
Temperature greater than 37.5C or other serious medical illnesses.
History of allergy to doxycycline or other tetracyclines.
History of HIV infection or other immunocompromised state.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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Greater than or equal to 50 percent of Mp microfilaremia at 1 year in response to doxycycline treatment in study volunteers with Mp infection.
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Collaborators and Investigators
Publications and helpful links
General Publications
- Beach MJ, Streit TG, Addiss DG, Prospere R, Roberts JM, Lammie PJ. Assessment of combined ivermectin and albendazole for treatment of intestinal helminth and Wuchereria bancrofti infections in Haitian schoolchildren. Am J Trop Med Hyg. 1999 Mar;60(3):479-86. doi: 10.4269/ajtmh.1999.60.479.
- Addiss DG, Beach MJ, Streit TG, Lutwick S, LeConte FH, Lafontant JG, Hightower AW, Lammie PJ. Randomised placebo-controlled comparison of ivermectin and albendazole alone and in combination for Wuchereria bancrofti microfilaraemia in Haitian children. Lancet. 1997 Aug 16;350(9076):480-4. doi: 10.1016/S0140-6736(97)02231-9. Erratum In: Lancet 1997 Oct 4;350(9083):1036.
- Horton J, Witt C, Ottesen EA, Lazdins JK, Addiss DG, Awadzi K, Beach MJ, Belizario VY, Dunyo SK, Espinel M, Gyapong JO, Hossain M, Ismail MM, Jayakody RL, Lammie PJ, Makunde W, Richard-Lenoble D, Selve B, Shenoy RK, Simonsen PE, Wamae CN, Weerasooriya MV. An analysis of the safety of the single dose, two drug regimens used in programmes to eliminate lymphatic filariasis. Parasitology. 2000;121 Suppl:S147-60. doi: 10.1017/s0031182000007423.
- Coulibaly YI, Dembele B, Diallo AA, Lipner EM, Doumbia SS, Coulibaly SY, Konate S, Diallo DA, Yalcouye D, Kubofcik J, Doumbo OK, Traore AK, Keita AD, Fay MP, Traore SF, Nutman TB, Klion AD. A randomized trial of doxycycline for Mansonella perstans infection. N Engl J Med. 2009 Oct 8;361(15):1448-58. doi: 10.1056/NEJMoa0900863.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Pathologic Processes
- Lymphatic Diseases
- Disease Attributes
- Vector Borne Diseases
- Parasitic Diseases
- Spirurida Infections
- Secernentea Infections
- Nematode Infections
- Helminthiasis
- Lymphedema
- Infections
- Communicable Diseases
- Filariasis
- Elephantiasis, Filarial
- Elephantiasis
- Dipetalonema Infections
- Acanthocheilonemiasis
- Mansonelliasis
- Anti-Infective Agents
- Anti-Bacterial Agents
- Antiprotozoal Agents
- Antiparasitic Agents
- Antimalarials
- Doxycycline
Other Study ID Numbers
- 999905053
- 05-I-N053
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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