{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2026-10-09",
    "results": {
      "skip": 0,
      "limit": 1,
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    }
  },
  "results": [
    {
      "product_ndc": "22840-0101",
      "generic_name": "Felis catus",
      "labeler_name": "Greer Laboratories, Inc.",
      "brand_name": "Standardized Cat Hair Allergenic Extract",
      "active_ingredients": [
        {
          "name": "FELIS CATUS DANDER",
          "strength": "10000 [BAU]/mL"
        },
        {
          "name": "FELIS CATUS SKIN",
          "strength": "10000 [BAU]/mL"
        }
      ],
      "finished": true,
      "packaging": [
        {
          "package_ndc": "22840-0101-2",
          "description": "10 mL in 1 VIAL, MULTI-DOSE (22840-0101-2)",
          "marketing_start_date": "19920924",
          "sample": false
        },
        {
          "package_ndc": "22840-0101-4",
          "description": "50 mL in 1 VIAL, MULTI-DOSE (22840-0101-4)",
          "marketing_start_date": "19920924",
          "sample": false
        },
        {
          "package_ndc": "22840-0101-5",
          "description": "5 mL in 1 BOTTLE, DROPPER (22840-0101-5)",
          "marketing_start_date": "19920924",
          "sample": false
        }
      ],
      "listing_expiration_date": "20261231",
      "openfda": {},
      "marketing_category": "BLA",
      "dosage_form": "SOLUTION",
      "spl_id": "2d7b9146-5af8-16d5-e063-6294a90ada59",
      "product_type": "STANDARDIZED ALLERGENIC",
      "route": [
        "INTRADERMAL",
        "PERCUTANEOUS",
        "SUBCUTANEOUS"
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      "marketing_start_date": "19920924",
      "product_id": "22840-0101_2d7b9146-5af8-16d5-e063-6294a90ada59",
      "application_number": "BLA103397",
      "brand_name_base": "Standardized Cat Hair Allergenic Extract",
      "pharm_class": [
        "Allergens [CS]",
        "Animal Fur [CS]",
        "Cell-mediated Immunity [PE]",
        "Increased Histamine Release [PE]",
        "Increased IgG Production [PE]",
        "Standardized Animal Skin Allergenic Extract [EPC]"
      ]
    }
  ]
}