{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Plasmodium+falciparum+challenge",
    "query": {
      "intervention": "Plasmodium falciparum challenge"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 32,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Plasmodium+falciparum+challenge&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T20:07:00.504Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT03882528",
      "title": "Evaluate the Infectivity Equivalence of Current and New Lots of Plasmodium Falciparum Strain NF54",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malaria,Falciparum"
      ],
      "interventions": [
        {
          "name": "Plasmodium falciparum malaria parasite",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 12,
      "start_date": "2019-03-04",
      "completion_date": "2019-05-16",
      "has_results": true,
      "last_update_posted_date": "2021-03-30",
      "last_synced_at": "2026-09-27T20:07:00.504Z",
      "location_count": 1,
      "location_summary": "Silver Spring, Maryland",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03882528"
    },
    {
      "nct_id": "NCT01397227",
      "title": "A Study to Assess the Immunogenicity, Tolerability and Safety of a Malaria Vaccine and Also Its Protective Efficacy in a Malaria Challenge Model",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Malaria"
      ],
      "interventions": [
        {
          "name": "Ad35.CS.01/Ad26.CS.01 low dose (1 x 10^10 vp)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ad 35.CS.01/Ad 26.CS.01 high dose (5 x 10^10 vp)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Crucell Holland BV",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 36,
      "start_date": "2011-06",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2012-09-07",
      "last_synced_at": "2026-09-27T20:07:00.504Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01397227"
    },
    {
      "nct_id": "NCT03014258",
      "title": "A Systems Biology Approach to Malaria Immunity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Plasmodium Falciparum Infection"
      ],
      "interventions": [
        {
          "name": "NF54 P. falciparum malaria challenge",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 27,
      "start_date": "2017-06-07",
      "completion_date": "2019-07-19",
      "has_results": false,
      "last_update_posted_date": "2021-06-08",
      "last_synced_at": "2026-09-27T20:07:00.504Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03014258"
    },
    {
      "nct_id": "NCT00408369",
      "title": "Prophylactic Antimalarial Activity of DB289 in Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Prophylactic Activity Against Malaria"
      ],
      "interventions": [
        {
          "name": "DB289",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Immtech Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 19,
      "start_date": "2006-11",
      "completion_date": "2007-11",
      "has_results": false,
      "last_update_posted_date": "2008-01-29",
      "last_synced_at": "2026-09-27T20:07:00.504Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00408369"
    },
    {
      "nct_id": "NCT02780154",
      "title": "PfSPZ Challenge in Non-immune Adults in Baltimore, USA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Plasmodium Falciparum Infection"
      ],
      "interventions": [
        {
          "name": "PfSPZ (7G8) Challenge",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PfSPZ (NF54) Challenge",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 30,
      "start_date": "2016-08-25",
      "completion_date": "2016-12-15",
      "has_results": false,
      "last_update_posted_date": "2019-01-28",
      "last_synced_at": "2026-09-27T20:07:00.504Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02780154"
    },
    {
      "nct_id": "NCT02562872",
      "title": "DSM265 Prophylaxis of Plasmodium Falciparum Malaria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "DSM265",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Sporozoites",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Infective mosquito bite",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Medicines for Malaria Venture",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 24,
      "start_date": "2016-03",
      "completion_date": "2017-05",
      "has_results": false,
      "last_update_posted_date": "2022-01-14",
      "last_synced_at": "2026-09-27T20:07:00.504Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02562872"
    },
    {
      "nct_id": "NCT04072302",
      "title": "Safety and Causal Prophylactic Efficacy of KAF156 in a Controlled Human Malaria Challenge Model",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malaria"
      ],
      "interventions": [
        {
          "name": "KAF156",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "MALE",
        "summary": "18 Years to 40 Years · Male only"
      },
      "enrollment_count": 86,
      "start_date": "2014-09-15",
      "completion_date": "2017-11-29",
      "has_results": false,
      "last_update_posted_date": "2019-08-28",
      "last_synced_at": "2026-09-27T20:07:00.504Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04072302"
    },
    {
      "nct_id": "NCT03867331",
      "title": "To Assess the Safety, Immunogenicity and Efficacy of VLPM01 in Healthy, Malaria-Naïve Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malaria,Falciparum"
      ],
      "interventions": [
        {
          "name": "5 microgram VLPM01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "15 microgram VLPM01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "30 microgram VLPM01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Plasmodium falciparum challenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "VLP Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 36,
      "start_date": "2019-03-13",
      "completion_date": "2020-05-21",
      "has_results": false,
      "last_update_posted_date": "2021-04-08",
      "last_synced_at": "2026-09-27T20:07:00.504Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03867331"
    },
    {
      "nct_id": "NCT04268420",
      "title": "A Trial For The Study of Falciparum Malaria Protein 013 Administered Via Intramuscular Injection in Healthy Adults",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Vaccine Reaction"
      ],
      "interventions": [
        {
          "name": "FMP013",
          "type": "DRUG"
        },
        {
          "name": "ALFQ",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 46,
      "start_date": "2020-03-20",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-10",
      "last_synced_at": "2026-09-27T20:07:00.504Z",
      "location_count": 1,
      "location_summary": "Silver Spring, Maryland",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04268420"
    },
    {
      "nct_id": "NCT03168854",
      "title": "Trial to Evaluate the Safety, Immunogenicity and Protective Efficacy of Three or Five Administrations of GAP3KO Sporozoites",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Plasmodium Falciparum Infection"
      ],
      "interventions": [
        {
          "name": "Genetically-attenuated p52-/p36-/sap1- Plasmodium falciparum parasite (GAP3KO) strain",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Malaria challenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 26,
      "start_date": "2017-07-26",
      "completion_date": "2019-08-16",
      "has_results": false,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-09-27T20:07:00.504Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03168854"
    }
  ]
}