{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=MEDI-551+4+mg%2Fkg",
    "query": {
      "intervention": "MEDI-551 4 mg/kg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T04:54:31.966Z",
  "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": "NCT01466153",
      "title": "A Phase 2, Multicenter, Open-label Study of MEDI-551 in Adults With Relapsed or Refractory Chronic Lymphocytic Leukemia (CLL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia (CLL)"
      ],
      "interventions": [
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Bendamustine",
          "type": "DRUG"
        },
        {
          "name": "MEDI-551",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 183,
      "start_date": "2012-02-07",
      "completion_date": "2016-01-08",
      "has_results": true,
      "last_update_posted_date": "2017-05-31",
      "last_synced_at": "2026-09-30T04:54:31.966Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Burbank, California • La Jolla, California + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "Skokie",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01466153"
    },
    {
      "nct_id": "NCT01453205",
      "title": "A Phase 2, Multicenter, Randomized, Open-label Study of MEDI-551 in Adults With Relapsed or Refractory Diffuse Large B-Cell Lymphoma (DLBCL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "MEDI-551 2 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "ICE",
          "type": "DRUG"
        },
        {
          "name": "DHAP",
          "type": "DRUG"
        },
        {
          "name": "Autologous Stem Cell Transplant (ASCT)",
          "type": "PROCEDURE"
        },
        {
          "name": "MEDI-551 4 mg/kg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 187,
      "start_date": "2012-02-27",
      "completion_date": "2016-07-11",
      "has_results": true,
      "last_update_posted_date": "2018-03-12",
      "last_synced_at": "2026-09-30T04:54:31.966Z",
      "location_count": 29,
      "location_summary": "Birmingham, Alabama • Burbank, California • Palm Springs, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "Sylmar",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01453205"
    },
    {
      "nct_id": "NCT00983619",
      "title": "A Clinical Study Using MEDI-551 in Adult Participants With Relapsed or Refractory Advanced B-Cell Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "B-cell Malignancies",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "MEDI-551",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 136,
      "start_date": "2010-04-16",
      "completion_date": "2019-03-21",
      "has_results": true,
      "last_update_posted_date": "2020-05-13",
      "last_synced_at": "2026-09-30T04:54:31.966Z",
      "location_count": 13,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Washington D.C., District of Columbia + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00983619"
    },
    {
      "nct_id": "NCT00946699",
      "title": "A Study of the Safety and Tolerability of MEDI-551 in Scleroderma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Scleroderma"
      ],
      "interventions": [
        {
          "name": "MEDI-551",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2010-03",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-11-13",
      "last_synced_at": "2026-09-30T04:54:31.966Z",
      "location_count": 12,
      "location_summary": "Loma Linda, California • Redwood City, California • Farmington, Connecticut + 9 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00946699"
    }
  ]
}