{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dysmenorrhea+Primary",
    "query": {
      "condition": "Dysmenorrhea Primary"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dysmenorrhea+Primary&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:44:07.717Z",
  "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": "NCT07508358",
      "title": "Vaginal Sildenafil for Primary Dysmenorrhea",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Dysmenorrhea",
        "Menstrual Pain"
      ],
      "interventions": [
        {
          "name": "Sildenafil citrate vaginal suppository",
          "type": "DRUG"
        },
        {
          "name": "Placebo vaginal suppository",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kevin Hellman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2026-05",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-05-22T05:44:07.717Z",
      "location_count": 1,
      "location_summary": "Evanston, Illinois",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07508358"
    },
    {
      "nct_id": "NCT02640079",
      "title": "A Behavioral Intervention for Pain Catastrophizing in Primary Dysmenorrhea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain Catastrophizing",
        "Primary Dysmenorrhea"
      ],
      "interventions": [
        {
          "name": "Cognitive behavioral therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 25 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2016-01",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2018-04-13",
      "last_synced_at": "2026-05-22T05:44:07.717Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02640079"
    },
    {
      "nct_id": "NCT02214550",
      "title": "Chronic Pain Risk Associated With Menstrual Period Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cystitis, Interstitial",
        "Dysmenorrhea",
        "Migraine Disorders",
        "Pelvic Pain",
        "Endometriosis",
        "Visceral Pain",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "cyclic microgestin 1/20",
          "type": "DRUG"
        },
        {
          "name": "continuous microgestin 1/20",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endeavor Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 353,
      "start_date": "2014-07",
      "completion_date": "2021-01",
      "has_results": true,
      "last_update_posted_date": "2023-06-18",
      "last_synced_at": "2026-05-22T05:44:07.717Z",
      "location_count": 1,
      "location_summary": "Evanston, Illinois",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02214550"
    },
    {
      "nct_id": "NCT07337902",
      "title": "Comparing Over the Counter Pain Medicines for Discomfort in Crohn's Disease (AVID-CD)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Crohn's Disease (CD)",
        "Dysmenorrhea Primary"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "OTHER"
        },
        {
          "name": "Ibuprofen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2026-03-18",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-05-22T05:44:07.717Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07337902"
    },
    {
      "nct_id": "NCT00740818",
      "title": "Logan Basic and Dysmenorrhea",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Menstrual Distress (Dysmenorrhea)"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        },
        {
          "name": "Sham Logan Basic Adjustment",
          "type": "PROCEDURE"
        },
        {
          "name": "Logan Basic adjustment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Logan College of Chiropractic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2008-07",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2008-08-25",
      "last_synced_at": "2026-05-22T05:44:07.717Z",
      "location_count": 1,
      "location_summary": "Chesterfield, Missouri",
      "locations": [
        {
          "city": "Chesterfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00740818"
    },
    {
      "nct_id": "NCT00329459",
      "title": "Treximet (Sumatriptan/Naproxen Sodium), Formerly Known as TREXIMA, for Menstrual Migraine in Women With Dysmenorrhea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Migraine Disorders"
      ],
      "interventions": [
        {
          "name": "sumatriptan succinate/naproxen sodium",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 320,
      "start_date": "2006-05",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2016-10-24",
      "last_synced_at": "2026-05-22T05:44:07.717Z",
      "location_count": 34,
      "location_summary": "Mesa, Arizona • Little Rock, Arkansas • Fair Oaks, California + 31 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fair Oaks",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00329459"
    },
    {
      "nct_id": "NCT04091789",
      "title": "Sublingual Tablets With Cannabinoid Combinations for the Treatment of Dysmenorrhea",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dysmenorrhea",
        "Headache, Migraine",
        "Fatigue",
        "Nausea",
        "Mood Disturbance"
      ],
      "interventions": [
        {
          "name": "Pure Femme Tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pure Green",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2019-09",
      "completion_date": "2020-05",
      "has_results": false,
      "last_update_posted_date": "2019-09-19",
      "last_synced_at": "2026-05-22T05:44:07.717Z",
      "location_count": 1,
      "location_summary": "Sterling Heights, Michigan",
      "locations": [
        {
          "city": "Sterling Heights",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04091789"
    },
    {
      "nct_id": "NCT00963053",
      "title": "VA111913 Dysmenorrhoea Efficacy and Safety Proof of Concept",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Dysmenorrhea"
      ],
      "interventions": [
        {
          "name": "VA111913 TS and placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vantia Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 146,
      "start_date": "2009-08",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2014-05-22",
      "last_synced_at": "2026-05-22T05:44:07.717Z",
      "location_count": 3,
      "location_summary": "Peoria, Arizona • Austin, Texas • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00963053"
    },
    {
      "nct_id": "NCT00909857",
      "title": "Effect on Primary Dysmenorrhea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary Dysmenorrhea"
      ],
      "interventions": [
        {
          "name": "Estradiol valerate, Dienogest (Natazia, Qlaira, BAY86-5027)",
          "type": "DRUG"
        },
        {
          "name": "Ethinyl estradiol, Levonorgestrel (Miranova)",
          "type": "DRUG"
        },
        {
          "name": "Placebo Match to SH T00658ID",
          "type": "DRUG"
        },
        {
          "name": "Placebo Match to SH D593B",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 50 Years · Female only"
      },
      "enrollment_count": 507,
      "start_date": "2009-04",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2015-08-24",
      "last_synced_at": "2026-05-22T05:44:07.717Z",
      "location_count": 10,
      "location_summary": "Tucson, Arizona • San Diego, California • Hialeah, Florida + 7 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Leesburg",
          "state": "Florida"
        },
        {
          "city": "Sandy Springs",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909857"
    },
    {
      "nct_id": "NCT07209566",
      "title": "A Research Study Exploring How Musculoskeletal Function and the Autonomic Nervous System Relate to Visceral Pain in Women With and Without Dysmenorrhea (Painful Periods).",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dysmenorrhea",
        "Dysmenorrhea Primary",
        "Visceral Pain",
        "Menstrual Pain"
      ],
      "interventions": [
        {
          "name": "Visceral Pain Stimulus",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Azusa Pacific University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2025-08-01",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-07",
      "last_synced_at": "2026-05-22T05:44:07.717Z",
      "location_count": 1,
      "location_summary": "Azusa, California",
      "locations": [
        {
          "city": "Azusa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07209566"
    }
  ]
}