{
  "source": "https://clinicaltrials.gov/",
  "retrieved_at": "2026-08-29",
  "method": "Query totals are full API matches; status, phase and country counts describe the first up to 400 returned records per query. Query classes overlap and must not be summed as unique trials. Counts are not treatment outcomes.",
  "rows": [
    {
      "condition_slug": "parkinsons",
      "condition_query": "parkinson disease",
      "therapy_class": "any-cell",
      "intervention_query": "stem cell",
      "retrieved_at": "2026-08-29",
      "query_total": 71,
      "sampled_records": 71,
      "recruiting_in_sample": 15,
      "completed_in_sample": 10,
      "phase3plus_in_sample": 3,
      "countries_in_sample": 21,
      "query_url": "https://clinicaltrials.gov/search?cond=parkinson%20disease&intr=stem%20cell"
    },
    {
      "condition_slug": "parkinsons",
      "condition_query": "parkinson disease",
      "therapy_class": "exosomes",
      "intervention_query": "exosome",
      "retrieved_at": "2026-08-29",
      "query_total": 5,
      "sampled_records": 5,
      "recruiting_in_sample": 2,
      "completed_in_sample": 1,
      "phase3plus_in_sample": 0,
      "countries_in_sample": 5,
      "query_url": "https://clinicaltrials.gov/search?cond=parkinson%20disease&intr=exosome"
    },
    {
      "condition_slug": "parkinsons",
      "condition_query": "parkinson disease",
      "therapy_class": "hsct",
      "intervention_query": "hematopoietic stem cell transplantation",
      "retrieved_at": "2026-08-29",
      "query_total": 3,
      "sampled_records": 3,
      "recruiting_in_sample": 0,
      "completed_in_sample": 0,
      "phase3plus_in_sample": 0,
      "countries_in_sample": 3,
      "query_url": "https://clinicaltrials.gov/search?cond=parkinson%20disease&intr=hematopoietic%20stem%20cell%20transplantation"
    },
    {
      "condition_slug": "parkinsons",
      "condition_query": "parkinson disease",
      "therapy_class": "msc",
      "intervention_query": "mesenchymal stem cell",
      "retrieved_at": "2026-08-29",
      "query_total": 19,
      "sampled_records": 19,
      "recruiting_in_sample": 1,
      "completed_in_sample": 4,
      "phase3plus_in_sample": 1,
      "countries_in_sample": 8,
      "query_url": "https://clinicaltrials.gov/search?cond=parkinson%20disease&intr=mesenchymal%20stem%20cell"
    },
    {
      "condition_slug": "parkinsons",
      "condition_query": "parkinson disease",
      "therapy_class": "prp",
      "intervention_query": "platelet-rich plasma",
      "retrieved_at": "2026-08-29",
      "query_total": 0,
      "sampled_records": 0,
      "recruiting_in_sample": 0,
      "completed_in_sample": 0,
      "phase3plus_in_sample": 0,
      "countries_in_sample": 0,
      "query_url": "https://clinicaltrials.gov/search?cond=parkinson%20disease&intr=platelet-rich%20plasma"
    }
  ]
}