Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Trial of Intermittent Preventive Treatment and Home Based Management of Malaria in a Rural Area of The Gambia
Brief Summary: Malaria in African countries remains an important cause of mortality and morbidity among young children. The global malaria control strategies include prompt treatment with an effective antimalarial drug, vector control using ITNs or curtains, indoor residual spraying (IRS), and intermittent preventive treatment. However, individually these interventions provide only imperfect protection. Thus, there is a need to investigate whether additional control measures provide added benefit in reducing mortality and morbidity. Therefore, 1312 children under 5 years of age living in villages and hamlets near Farafenni, The Gambia, which form part of the rural Farafenni Demographic Surveillance system (FDSS) in North Bank Region(NBR) were randomly allocated to receive IPTc or placebo from village health workers based in primary health care villages. Treatment with a single dose of sulfadoxine /pyrimethamine plus three doses of amodiaquine or placebo was given to all study subjects at monthly intervals on three occasions during the months of September, October and November. In addition, VHWs were trained to administer treatment with coartem to children if they develop symptoms compatible with malaria during the malaria transmission season. The primary end point was the incidence of clinical attacks of malaria detected during the study.


Options:
A: Inclusion Criteria:

* Enrolled in primary school, and attending regularly
* Enrolled in nursery or classes 1-7
* Informed consent from parent or guardian

Exclusion Criteria:

* Enrolled in primary class 8
* Haemoglobin level below 70g/L at baseline
* History of reaction to sulfa drugs (e.g. fansidar, septrin)
* History of severe skin reaction to any drug

Withdrawal criteria:

* Withdrawal of parental consent
* Haemoglobin level falling below 70g/L
* Severe adverse reaction to treatment
B: Inclusion Criteria:

1. Age between 3 months and 59 months at enrolment.
2. Informed consent obtained from parents or legal guardians.
3. No current participation in another malaria intervention trial
4. Permanent residence in the study area with no intention of leaving during the surveillance period.

Exclusion Criteria:

1. Previous adverse reaction to treatment with SP, amodiaquine or Coartem. If this is unknown, then a history of allergic reaction to any drug.
2. Temporary residence in the study area
3. Lack of informed consent
4. Presence of a severe, chronic illness such as severe malnutrition or AIDS, likely to interfere with evaluation of the trial results.
C: Inclusion Criteria:

* Informed consent
* Permanent residence in the study area

Exclusion Criteria:

* Allergy/hypersensitivity to sulfonamides or pyrimethamine
* Signs of severe hepatic or renal dysfunction not due to malaria
D: Inclusion Criteria:

* Permanent residence in the study area with no intention of leaving during the surveillance period.
* Obtention of informed consent.

Exclusion Criteria:

* Temporary residence in the study area.
* Absence of informed consent.
* Presence of a severe, chronic illness such as severe malnutrition (Kwashiorkor or marasmus) or AIDS, likely to interfere with evaluation of the trial results.
* A history of a previous, significant adverse reaction to either of the study drugs.

Answer: B