{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Duloxetine+%28Oral+Antidepressant%29",
    "query": {
      "intervention": "Duloxetine (Oral Antidepressant)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 27,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Duloxetine+%28Oral+Antidepressant%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T09:43:34.285Z",
  "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": "NCT01715805",
      "title": "Efficacy, Safety and Tolerability of Cariprazine as an Adjunctive Treatment to Antidepressant Therapy (ADT) in Patients With Major Depressive Disorder (MDD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Cariprazine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Antidepressant Therapy (ADT)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 1022,
      "start_date": "2012-11-15",
      "completion_date": "2016-06-24",
      "has_results": true,
      "last_update_posted_date": "2019-08-28",
      "last_synced_at": "2026-10-04T09:43:34.285Z",
      "location_count": 83,
      "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Cerritos, California + 68 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Culver City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01715805"
    },
    {
      "nct_id": "NCT02977299",
      "title": "Comparative Effectiveness Research Trial for Antidepressant Incomplete and Non-responders With TRD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Treatment Resistant Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "Repetitive transcranial magnetic stimulation (rTMS)",
          "type": "DEVICE"
        },
        {
          "name": "Venlafaxine XR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 278,
      "start_date": "2017-07-13",
      "completion_date": "2022-04-24",
      "has_results": true,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-04T09:43:34.285Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Stanford, California + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02977299"
    },
    {
      "nct_id": "NCT01288079",
      "title": "A Study to Assess the Safety and Effect of TC-5214 in Patients With Major Depressive Disorder.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "TC-5214",
          "type": "DRUG"
        },
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 145,
      "start_date": "2011-02",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2012-11-20",
      "last_synced_at": "2026-10-04T09:43:34.285Z",
      "location_count": 25,
      "location_summary": "Beverly Hills, California • Chino, California • Garden Grove, California + 22 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Chino",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01288079"
    },
    {
      "nct_id": "NCT03321526",
      "title": "A Study to Compare the Efficacy, Safety, and Tolerability of JNJ-42847922 Versus Quetiapine Extended-Release as Adjunctive Therapy to Antidepressants in Adult Participants With Major Depressive Disorder Who Have Responded Inadequately to Antidepressant Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "JNJ-42847922",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching to JNJ-42847922",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching to Quetiapine XR",
          "type": "DRUG"
        },
        {
          "name": "Selective Serotonin Reuptake Inhibitor (SSRI)",
          "type": "DRUG"
        },
        {
          "name": "Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "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": 107,
      "start_date": "2017-12-12",
      "completion_date": "2019-06-27",
      "has_results": true,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-10-04T09:43:34.285Z",
      "location_count": 50,
      "location_summary": "Phoenix, Arizona • Tempe, Arizona • Rogers, Arkansas + 41 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03321526"
    },
    {
      "nct_id": "NCT01943435",
      "title": "Study Comparing 3 Different Treatments for Arthritis of the Lower Back (Lumbar Spinal Stenosis)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lumbar Spinal Stenosis"
      ],
      "interventions": [
        {
          "name": "NSAIDs; adjunctive analgesics; adjunctive anti-depressants",
          "type": "DRUG"
        },
        {
          "name": "Lumbar epidural injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Joint Mobilizations (spine, sacroiliac, hip)",
          "type": "OTHER"
        },
        {
          "name": "Individualized exercises: clinical setting",
          "type": "OTHER"
        },
        {
          "name": "Group Exercise: community setting",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Michael Schneider, DC, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 259,
      "start_date": "2013-11-20",
      "completion_date": "2016-06-10",
      "has_results": true,
      "last_update_posted_date": "2018-04-02",
      "last_synced_at": "2026-10-04T09:43:34.285Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01943435"
    },
    {
      "nct_id": "NCT01838876",
      "title": "Long-term Safety and Tolerability of Cariprazine as an Adjunctive Treatment to Antidepressant Therapy in Patients With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Cariprazine",
          "type": "DRUG"
        },
        {
          "name": "Antidepressant Therapy (ADT)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 442,
      "start_date": "2013-04-29",
      "completion_date": "2015-07-27",
      "has_results": true,
      "last_update_posted_date": "2019-08-21",
      "last_synced_at": "2026-10-04T09:43:34.285Z",
      "location_count": 88,
      "location_summary": "Tucson, Arizona • Fayetteville, Arkansas • Little Rock, Arkansas + 74 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01838876"
    },
    {
      "nct_id": "NCT03434041",
      "title": "A Study to Evaluate the Efficacy, Pharmacokinetics, Safety and Tolerability of Flexible Doses of Intranasal Esketamine Plus an Oral Antidepressant in Adult Participants With Treatment-resistant Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder, Treatment-Resistant"
      ],
      "interventions": [
        {
          "name": "Esketamine 56 mg",
          "type": "DRUG"
        },
        {
          "name": "Esketamine 84 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Duloxetine (Oral Antidepressant)",
          "type": "DRUG"
        },
        {
          "name": "Escitalopram (Oral Antidepressant)",
          "type": "DRUG"
        },
        {
          "name": "Sertraline (Oral Antidepressant)",
          "type": "DRUG"
        },
        {
          "name": "Venlafaxine Extended Release (XR) (Oral Antidepressant)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 252,
      "start_date": "2018-05-25",
      "completion_date": "2021-04-13",
      "has_results": true,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-10-04T09:43:34.285Z",
      "location_count": 6,
      "location_summary": "Atlanta, Georgia • Shreveport, Louisiana • Gaithersburg, Maryland + 3 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Gaithersburg",
          "state": "Maryland"
        },
        {
          "city": "Watertown",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03434041"
    },
    {
      "nct_id": "NCT04476030",
      "title": "A Comparative Study of Sage-217 Plus an Antidepressant (ADT) Versus Placebo Plus an ADT in Adults With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "SAGE-217",
          "type": "DRUG"
        },
        {
          "name": "Matching Placebo",
          "type": "DRUG"
        },
        {
          "name": "Sertraline",
          "type": "DRUG"
        },
        {
          "name": "Escitalopram",
          "type": "DRUG"
        },
        {
          "name": "Citalopram",
          "type": "DRUG"
        },
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Desvenlafaxine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 440,
      "start_date": "2020-11-09",
      "completion_date": "2021-12-22",
      "has_results": true,
      "last_update_posted_date": "2023-12-22",
      "last_synced_at": "2026-10-04T09:43:34.285Z",
      "location_count": 51,
      "location_summary": "Dothan, Alabama • Phoenix, Arizona • Anaheim, California + 42 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04476030"
    },
    {
      "nct_id": "NCT07795593",
      "title": "Modality Choice Before and After Failure for the Treatment of Painful Diabetic Neuropathy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Painful Diabetic Neuropathy (PDN)",
        "Diabetic Nephropathies"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy (CBT)",
          "type": "DEVICE"
        },
        {
          "name": "Oral Medication",
          "type": "DRUG"
        },
        {
          "name": "Topical Medication",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2026-10",
      "completion_date": "2031-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-28",
      "last_synced_at": "2026-10-04T09:43:34.285Z",
      "location_count": 23,
      "location_summary": "Stanford, California • Jacksonville, Florida • Chicago, Illinois + 17 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07795593"
    },
    {
      "nct_id": "NCT01838681",
      "title": "Brexpiprazole as Adjunctive Treatment in Patients With Major Depressive Disorder With an Inadequate Response to Antidepressant Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Brexpiprazole",
          "type": "DRUG"
        },
        {
          "name": "ADT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "H. Lundbeck A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 1986,
      "start_date": "2013-06",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2017-08-09",
      "last_synced_at": "2026-10-04T09:43:34.285Z",
      "location_count": 8,
      "location_summary": "Little Rock, Arkansas • Cerritos, California • Temecula, California + 4 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Temecula",
          "state": "California"
        },
        {
          "city": "Flowood",
          "state": "Mississippi"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01838681"
    }
  ]
}