{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Primaquine",
    "query": {
      "intervention": "Primaquine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T07:32:42.208Z",
  "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": "NCT00000640",
      "title": "A Phase III Comparative Study of Dapsone / Trimethoprim and Clindamycin / Primaquine Versus Sulfamethoxazole / Trimethoprim in the Treatment of Mild-to-Moderate PCP in Patients With AIDS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumonia, Pneumocystis Carinii",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Primaquine",
          "type": "DRUG"
        },
        {
          "name": "Sulfamethoxazole-Trimethoprim",
          "type": "DRUG"
        },
        {
          "name": "Dapsone",
          "type": "DRUG"
        },
        {
          "name": "Clindamycin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 290,
      "start_date": null,
      "completion_date": "1994-09",
      "has_results": false,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-09-06T07:32:42.208Z",
      "location_count": 32,
      "location_summary": "Los Angeles, California • Palo Alto, California • San Francisco, California + 23 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "San Mateo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000640"
    },
    {
      "nct_id": "NCT02898779",
      "title": "Metabolism and Pharmacokinetics of Primaquine Enantiomers in Human Volunteers, Study 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malaria"
      ],
      "interventions": [
        {
          "name": "Primaquine, R-Primaquine, S-Primaquine, SR Primaquine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Mississippi, Oxford",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 36,
      "start_date": "2017-05-01",
      "completion_date": "2018-03-01",
      "has_results": false,
      "last_update_posted_date": "2018-05-15",
      "last_synced_at": "2026-09-06T07:32:42.208Z",
      "location_count": 1,
      "location_summary": "Oxford, Mississippi",
      "locations": [
        {
          "city": "Oxford",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02898779"
    },
    {
      "nct_id": "NCT04073953",
      "title": "Primaquine Enantiomers in G6PD Deficient Human Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "G6PD Deficiency"
      ],
      "interventions": [
        {
          "name": "RPQ",
          "type": "DRUG"
        },
        {
          "name": "SPQ",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Mississippi, Oxford",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 18,
      "start_date": "2020-09-01",
      "completion_date": "2023-09-01",
      "has_results": false,
      "last_update_posted_date": "2024-11-21",
      "last_synced_at": "2026-09-06T07:32:42.208Z",
      "location_count": 1,
      "location_summary": "University, Mississippi",
      "locations": [
        {
          "city": "University",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04073953"
    },
    {
      "nct_id": "NCT00000717",
      "title": "The Safety and Efficacy of Clindamycin and Primaquine in the Treatment of Mild - Moderate Pneumocystis Carinii Pneumonia in Patients With AIDS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pneumonia, Pneumocystis Carinii",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Primaquine",
          "type": "DRUG"
        },
        {
          "name": "Clindamycin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 50,
      "start_date": null,
      "completion_date": "1991-11",
      "has_results": false,
      "last_update_posted_date": "2012-10-19",
      "last_synced_at": "2026-09-06T07:32:42.208Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • San Francisco, California • Chicago, Illinois + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000717"
    },
    {
      "nct_id": "NCT00076323",
      "title": "A Test to Predict the Hemolytic Potential of Drugs in G6PD Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glucosephosphate Dehydrogenase Deficiency",
        "Favism"
      ],
      "interventions": [
        {
          "name": "Primaquine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Walter Reed Army Institute of Research (WRAIR)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 14,
      "start_date": "2003-12",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2010-07-27",
      "last_synced_at": "2026-09-06T07:32:42.208Z",
      "location_count": 1,
      "location_summary": "Silver Spring, Maryland",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00076323"
    },
    {
      "nct_id": "NCT04349410",
      "title": "The Fleming [FMTVDM] Directed CoVid-19 Treatment Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "CoVid 19 Positive"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine, Azithromycin",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Clindamycin",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Clindamycin, Primaquine - low dose.",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine, Clindamycin, Primaquine - high dose.",
          "type": "DRUG"
        },
        {
          "name": "Remdesivir",
          "type": "DRUG"
        },
        {
          "name": "Tocilizumab",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Interferon-Alpha2B",
          "type": "DRUG"
        },
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Convalescent Serum",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Camelot Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1800,
      "start_date": "2020-04-11",
      "completion_date": "2020-09-14",
      "has_results": false,
      "last_update_posted_date": "2020-11-12",
      "last_synced_at": "2026-09-06T07:32:42.208Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04349410"
    },
    {
      "nct_id": "NCT03934450",
      "title": "Metabolism and Pharmacokinetics of Primaquine Enantiomers in Human Volunteers Receiving a Seven Day Dose Regimen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malaria",
        "Glucose 6 Phosphate Dehydrogenase Deficiency"
      ],
      "interventions": [
        {
          "name": "RPQ",
          "type": "DRUG"
        },
        {
          "name": "SPQ",
          "type": "DRUG"
        },
        {
          "name": "Primaquine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Mississippi, Oxford",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 36,
      "start_date": "2018-08-17",
      "completion_date": "2019-05-01",
      "has_results": false,
      "last_update_posted_date": "2019-05-14",
      "last_synced_at": "2026-09-06T07:32:42.208Z",
      "location_count": 1,
      "location_summary": "University, Mississippi",
      "locations": [
        {
          "city": "University",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03934450"
    },
    {
      "nct_id": "NCT01500980",
      "title": "Malaria Challenge in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malaria"
      ],
      "interventions": [
        {
          "name": "P. falciparum infection",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Chloroquine",
          "type": "DRUG"
        },
        {
          "name": "Primaquine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "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": "2011-12",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2012-12-13",
      "last_synced_at": "2026-09-06T07:32:42.208Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01500980"
    },
    {
      "nct_id": "NCT02960568",
      "title": "Genetic Variability in CYP2D6 in U.S Active Duty Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pharmacologic Action"
      ],
      "interventions": [
        {
          "name": "Primaquine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Walter Reed Army Institute of Research (WRAIR)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 550,
      "start_date": "2016-01-08",
      "completion_date": "2017-08",
      "has_results": false,
      "last_update_posted_date": "2021-10-20",
      "last_synced_at": "2026-09-06T07:32:42.208Z",
      "location_count": 1,
      "location_summary": "Silver Spring, Maryland",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02960568"
    },
    {
      "nct_id": "NCT00636935",
      "title": "Corticosteroids Therapy and Pneumocystis Jirovecii Pneumonia (PCP)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pneumocystis Carinii Pneumonia"
      ],
      "interventions": [
        {
          "name": "Antibiotics only",
          "type": "DRUG"
        },
        {
          "name": "Antibiotics + Corticosteroids",
          "type": "DRUG"
        },
        {
          "name": "Corticosteroids + antibiotics",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2008-02",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2017-06-27",
      "last_synced_at": "2026-09-06T07:32:42.208Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00636935"
    }
  ]
}