IN 1972, THE CHINESE ISOLATED AND CHARACTERIZED ARTEMISININ,AN ANTIMALARIAL DRUG PRESENT IN THE CHINESE HERB QINGHAO (ARTEMISIA ANNUA).

Award Information
Agency:
Department of Health and Human Services
Branch
n/a
Amount:
$50,000.00
Award Year:
1986
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
4689
Agency Tracking Number:
4689
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
11 Taft Court, Rockville, MD, 20850
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
JOSEPH K CHEN
PRINCIPAL INVESTIGATOR
(301) 251-0633
Business Contact:
() -
Research Institute:
n/a
Abstract
IN 1972, THE CHINESE ISOLATED AND CHARACTERIZED ARTEMISININ,AN ANTIMALARIAL DRUG PRESENT IN THE CHINESE HERB QINGHAO (ARTEMISIA ANNUA). THIS HERB HAS BEEN USED FOR MALARIA THERAPY IN CHINA FOR OVER 1,000 YEARS. IN THE DEVELOPING COUNTRIES OF THE WORLD IT HAS BEEN ESTIMATED THAT IN EXCESS OF 150 MILLION CASES OF MALARIA EXIST. ALARMINGLY, THIS FACT IS COUPLED WITH THE APPARENT SPREAD OF STRAINS OF PLASMODIUM FALCIPARUM WHICH ARE RESISTANT TO CHLOROQUINE ANDTO ALTERNATIVE DRUGS (PYRIMETHAMINE/SULFONAMIDE COMBINATIONS). STUDIES HAVE SHOWN THAT ARTEMISININ HAS A HIGH LEVEL OF SCHIZONTICIDAL ACTIVITY AGAINST THE CHLOROQUINE-RESISTANT MALARIA AND IS NON-TOXIC; HOWEVER, ARTEMISININ OCCURS AT VERY LOW LEVELS IN A. ANNUA. THE OBJECTIVE OF THIS PHASE I PROPOSAL IS TO DEVELOP A MONOCLONAL ANTIBODY TO ARTEMISININ. THE ANTIBODY WILL THEN BE USED TO SELECT PLANTS WHICH ARE HIGH YIELDERS OF ARTEMISININ. THIS SELECTION WILL LEAD TO PHASE II CULTIVATION INITIALLY USING PLANT TISSUE CULTURE OF THESE SELECTED "HIGH YIELDERS." THIS HAS IMMEDIATE COMMERCIAL APPLICATION IN THE EFFORTS AGAINST MALARIA IN THAT HIGH- YIELDING PLANTS MAY BE PROPAGATED TO PROVIDE A SOURCE OF ARTEMISININ LARGE ENOUGH FOR USE AS A DRUG. THE MONOCLONAL ANTIBODY COULD FURTHER BE USED IN BIOAVAILABILITY, PHARMAKINETIC, AND DRUG MONITORING STUDIES.

* information listed above is at the time of submission.

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