{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Drug-drug+Interactions&page=2",
    "query": {
      "condition": "Drug-drug Interactions",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 897,
    "total_pages": 90,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Drug-drug+Interactions&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Drug-drug+Interactions&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T13:16:10.860Z",
  "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": "NCT05789173",
      "title": "Interaction of CYP2B6 Genotype and Efavirenz With Methadone and Tizanidine PK",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Drug-Drug Interaction"
      ],
      "interventions": [
        {
          "name": "Methadone and Tizanidine",
          "type": "DRUG"
        },
        {
          "name": "Efavirenz, Methadone and Tizanidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "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": 60,
      "start_date": "2023-10-06",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-30T13:16:10.860Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05789173"
    },
    {
      "nct_id": "NCT01468714",
      "title": "A Study To Estimate The Effect Of Ketoconazole On The Pharmacokinetics Of Pf-04937319 In Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Volunteers"
      ],
      "interventions": [
        {
          "name": "PF-04937319 / ketoconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 10,
      "start_date": "2011-10",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2011-11-16",
      "last_synced_at": "2026-09-30T13:16:10.860Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01468714"
    },
    {
      "nct_id": "NCT05445232",
      "title": "A Drug-Drug Interaction (DDI) Study of LY3437943 in Obese Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "LY3437943",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Warfarin",
          "type": "DRUG"
        },
        {
          "name": "Caffeine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 32,
      "start_date": "2022-07-08",
      "completion_date": "2023-02-24",
      "has_results": false,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-09-30T13:16:10.860Z",
      "location_count": 2,
      "location_summary": "Daytona Beach, Florida • Dallas, Texas",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05445232"
    },
    {
      "nct_id": "NCT01235338",
      "title": "Co-Administration of LDX (SPD489) and Venlafaxine XR (EFFEXOR XR) in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "LDX + Venlafaxine XR",
          "type": "DRUG"
        },
        {
          "name": "Venlafaxine XR + LDX",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "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": 80,
      "start_date": "2010-10-28",
      "completion_date": "2011-01-17",
      "has_results": true,
      "last_update_posted_date": "2021-06-14",
      "last_synced_at": "2026-09-30T13:16:10.860Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01235338"
    },
    {
      "nct_id": "NCT06605950",
      "title": "A Study to Assess the Safety, Tolerability and Pharmacokinetics (PK) of Xanomeline With Trospium Chloride Versus KarXT in Healthy Adult and Elderly Participants of Japanese Ethnicity and to Assess the Effect of Omeprazole on the PK of Xanomeline With Trospium Chloride in Healthy Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "KarXT",
          "type": "DRUG"
        },
        {
          "name": "KarX-EC",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Karuna Therapeutics, Inc., a Bristol Myers Squibb company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "19 Years to 90 Years"
      },
      "enrollment_count": 78,
      "start_date": "2024-10-01",
      "completion_date": "2025-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-09-30T13:16:10.860Z",
      "location_count": 1,
      "location_summary": "Anaheim, California",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06605950"
    },
    {
      "nct_id": "NCT00877591",
      "title": "Interaction of Buprenorphine With HIV Medications and Tuberculosis Medications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Dependency",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Fosamprenavir/Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Darunavir/Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Rifampin",
          "type": "DRUG"
        },
        {
          "name": "Rifabutin",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 63,
      "start_date": "2008-04",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2014-05-06",
      "last_synced_at": "2026-09-30T13:16:10.860Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00877591"
    },
    {
      "nct_id": "NCT03843060",
      "title": "A Phase 1 Study to Assess the Pharmacokinetics of AZD9977 Administered Alone and in Combination With Itraconazole in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction (HFpEF)"
      ],
      "interventions": [
        {
          "name": "AZD9977",
          "type": "DRUG"
        },
        {
          "name": "Itraconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 14,
      "start_date": "2019-02-22",
      "completion_date": "2019-04-01",
      "has_results": false,
      "last_update_posted_date": "2019-04-22",
      "last_synced_at": "2026-09-30T13:16:10.860Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03843060"
    },
    {
      "nct_id": "NCT06491550",
      "title": "A Study to Assess the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AZD4144 as Well as the Impact of AZD4144 on the Pharmacokinetics of Rosuvastatin and Furosemide in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "AZD4144- Part A",
          "type": "DRUG"
        },
        {
          "name": "Placebo- Part A",
          "type": "DRUG"
        },
        {
          "name": "AZD4144- Part B",
          "type": "DRUG"
        },
        {
          "name": "Placebo- Part B",
          "type": "DRUG"
        },
        {
          "name": "Rosuvastatin and Furosemide- Part C",
          "type": "DRUG"
        },
        {
          "name": "Rosuvastatin, Furosemide, and AZD4144 Part C",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 91,
      "start_date": "2024-07-15",
      "completion_date": "2025-06-11",
      "has_results": false,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-09-30T13:16:10.860Z",
      "location_count": 2,
      "location_summary": "Glendale, California • Brooklyn, Maryland",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Brooklyn",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06491550"
    },
    {
      "nct_id": "NCT07570082",
      "title": "Drug-Drug Interaction Study of Atumelnant in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Atumelnant",
          "type": "DRUG"
        },
        {
          "name": "Carbamazepine",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Digoxin",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Crinetics Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "19 Years to 55 Years"
      },
      "enrollment_count": 46,
      "start_date": "2026-05-28",
      "completion_date": "2026-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-30T13:16:10.860Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07570082"
    },
    {
      "nct_id": "NCT01068925",
      "title": "Drug Interaction Study Between GSK1349572 and Tipranavir/Ritonavir in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Infection, Human Immunodeficiency Virus",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "GSK1349572",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ViiV Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 18,
      "start_date": "2010-02-15",
      "completion_date": "2010-04-05",
      "has_results": false,
      "last_update_posted_date": "2019-06-24",
      "last_synced_at": "2026-09-30T13:16:10.860Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01068925"
    }
  ]
}