{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sulfamethoxazole%2FTrimethoprim",
    "query": {
      "intervention": "Sulfamethoxazole/Trimethoprim"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 130,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sulfamethoxazole%2FTrimethoprim&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T23:45:16.416Z",
  "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": "NCT03014687",
      "title": "Prophylactic Oral Antibiotics on Sinonasal Outcomes Following Endoscopic Transsphenoidal Surgery for Pituitary Lesions",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Antibiotics",
        "Pituitary Adenoma"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Oral Antibiotics cefdinir or trimethoprim/sulfamethoxazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Joseph's Hospital and Medical Center, Phoenix",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "18 Years to 84 Years"
      },
      "enrollment_count": 116,
      "start_date": "2017-07-01",
      "completion_date": "2019-07",
      "has_results": false,
      "last_update_posted_date": "2018-08-15",
      "last_synced_at": "2026-09-28T23:45:16.416Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03014687"
    },
    {
      "nct_id": "NCT03479736",
      "title": "A Study of Fluoroquinolones Exposure and Collagen-Related Serious Adverse Events",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinal Detachment",
        "Achilles Tendon",
        "Aneurysm, Dissecting"
      ],
      "interventions": [
        {
          "name": "Oral Fluoroquinolones (FQ)",
          "type": "DRUG"
        },
        {
          "name": "Other Antibiotics",
          "type": "DRUG"
        },
        {
          "name": "Febrile Illness Not Treated with Antibiotics Will be Analyzed as an Exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 117911,
      "start_date": "2017-11-20",
      "completion_date": "2018-06-04",
      "has_results": false,
      "last_update_posted_date": "2025-06-25",
      "last_synced_at": "2026-09-28T23:45:16.416Z",
      "location_count": 1,
      "location_summary": "Titusville, New Jersey",
      "locations": [
        {
          "city": "Titusville",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03479736"
    },
    {
      "nct_id": "NCT00729937",
      "title": "Strategies Using Off-Patent Antibiotics for Methicillin Resistant S. Aureus \"STOP MRSA\"",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Staphylococcal Infection"
      ],
      "interventions": [
        {
          "name": "Cephalexin",
          "type": "DRUG"
        },
        {
          "name": "Clindamycin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Trimethoprim-sulfamethoxazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 2265,
      "start_date": "2009-04",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2015-02-18",
      "last_synced_at": "2026-09-28T23:45:16.416Z",
      "location_count": 5,
      "location_summary": "Phoenix, Arizona • Sylmar, California • Baltimore, Maryland + 2 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sylmar",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00729937"
    },
    {
      "nct_id": "NCT01631617",
      "title": "Effects of Treatments on Atopic Dermatitis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Eczema",
        "Dermatitis",
        "Skin Diseases, Genetic",
        "Dermatitis, Atopic",
        "Skin Diseases"
      ],
      "interventions": [
        {
          "name": "Trimethoprim/sulfamethoxazole (TMP/SMZ)",
          "type": "DRUG"
        },
        {
          "name": "Cephalexin",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Sodium hypochlorite",
          "type": "OTHER"
        },
        {
          "name": "Placebo capsules",
          "type": "OTHER"
        },
        {
          "name": "Placebo Sodium hypochlorite",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "2 Years to 50 Years"
      },
      "enrollment_count": 130,
      "start_date": "2012-09-18",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-28",
      "last_synced_at": "2026-09-28T23:45:16.416Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01631617"
    },
    {
      "nct_id": "NCT00000826",
      "title": "Effect of Fluconazole, Clarithromycin, and Rifabutin on the Pharmacokinetics of Sulfamethoxazole-Trimethoprim and Dapsone and Their Hydroxylamine Metabolites",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bacterial Infections",
        "Mycoses",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Clarithromycin",
          "type": "DRUG"
        },
        {
          "name": "Rifabutin",
          "type": "DRUG"
        },
        {
          "name": "Sulfamethoxazole-Trimethoprim",
          "type": "DRUG"
        },
        {
          "name": "Dapsone",
          "type": "DRUG"
        },
        {
          "name": "Fluconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 48,
      "start_date": null,
      "completion_date": "1999-05",
      "has_results": false,
      "last_update_posted_date": "2021-10-29",
      "last_synced_at": "2026-09-28T23:45:16.416Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • Seattle, Washington",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000826"
    },
    {
      "nct_id": "NCT01659866",
      "title": "Antibiotic Prophylaxis for Transrectal Prostate Biopsy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Infection"
      ],
      "interventions": [
        {
          "name": "Ciprofloxacin",
          "type": "DRUG"
        },
        {
          "name": "trimethoprim-sulfamethoxazole",
          "type": "DRUG"
        },
        {
          "name": "cefuroxime",
          "type": "DRUG"
        },
        {
          "name": "ceftriaxone",
          "type": "DRUG"
        },
        {
          "name": "gentamicin",
          "type": "DRUG"
        },
        {
          "name": "amikacin",
          "type": "DRUG"
        },
        {
          "name": "aztreonam",
          "type": "DRUG"
        },
        {
          "name": "imipenem",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "30 Years to 90 Years · Male only"
      },
      "enrollment_count": 563,
      "start_date": "2012-08",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2019-06-25",
      "last_synced_at": "2026-09-28T23:45:16.416Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01659866"
    },
    {
      "nct_id": "NCT04502095",
      "title": "Prophylactic Antibiotics for Urinary Tract Infections After Robot-Assisted Radical Cystectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bladder Carcinoma",
        "Refractory Bladder Carcinoma",
        "Urinary Tract Infection"
      ],
      "interventions": [
        {
          "name": "Clindamycin",
          "type": "DRUG"
        },
        {
          "name": "Diary",
          "type": "OTHER"
        },
        {
          "name": "Ertapenem",
          "type": "DRUG"
        },
        {
          "name": "Levofloxacin",
          "type": "DRUG"
        },
        {
          "name": "Nitrofurantoin",
          "type": "DRUG"
        },
        {
          "name": "Trimethoprim-Sulfamethoxazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 89,
      "start_date": "2020-09-02",
      "completion_date": "2025-03-13",
      "has_results": false,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-09-28T23:45:16.416Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04502095"
    },
    {
      "nct_id": "NCT00000991",
      "title": "A Study of Three Drugs Plus Zidovudine in the Prevention of Infections in HIV-Infected Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumonia, Pneumocystis Carinii",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Pentamidine isethionate",
          "type": "DRUG"
        },
        {
          "name": "Sulfamethoxazole-Trimethoprim",
          "type": "DRUG"
        },
        {
          "name": "Dapsone",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "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": 600,
      "start_date": null,
      "completion_date": "1994-04",
      "has_results": false,
      "last_update_posted_date": "2021-11-04",
      "last_synced_at": "2026-09-28T23:45:16.416Z",
      "location_count": 20,
      "location_summary": "Los Angeles, California • Oakland, California • San Diego, California + 15 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000991"
    },
    {
      "nct_id": "NCT00000732",
      "title": "Evaluation of the Interaction Between Low Dose Sulfamethoxazole-Trimethoprim and Zidovudine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Sulfamethoxazole-Trimethoprim",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 10,
      "start_date": null,
      "completion_date": "1990-05",
      "has_results": false,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-09-28T23:45:16.416Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000732"
    },
    {
      "nct_id": "NCT06397781",
      "title": "Effect of S. Aureus Skin Decolonization on Disease Severity in Atopic Dermatitis Patients",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Skin Cleanser Combination No.1",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2031-01-01",
      "completion_date": "2039-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-28T23:45:16.416Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06397781"
    }
  ]
}