{
  "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": "macular-degeneration",
      "condition_query": "macular degeneration",
      "therapy_class": "any-cell",
      "intervention_query": "stem cell",
      "retrieved_at": "2026-08-29",
      "query_total": 44,
      "sampled_records": 44,
      "recruiting_in_sample": 8,
      "completed_in_sample": 16,
      "phase3plus_in_sample": 0,
      "countries_in_sample": 15,
      "query_url": "https://clinicaltrials.gov/search?cond=macular%20degeneration&intr=stem%20cell"
    },
    {
      "condition_slug": "macular-degeneration",
      "condition_query": "macular degeneration",
      "therapy_class": "exosomes",
      "intervention_query": "exosome",
      "retrieved_at": "2026-08-29",
      "query_total": 1,
      "sampled_records": 1,
      "recruiting_in_sample": 0,
      "completed_in_sample": 1,
      "phase3plus_in_sample": 0,
      "countries_in_sample": 1,
      "query_url": "https://clinicaltrials.gov/search?cond=macular%20degeneration&intr=exosome"
    },
    {
      "condition_slug": "macular-degeneration",
      "condition_query": "macular degeneration",
      "therapy_class": "hsct",
      "intervention_query": "hematopoietic stem cell transplantation",
      "retrieved_at": "2026-08-29",
      "query_total": 1,
      "sampled_records": 1,
      "recruiting_in_sample": 0,
      "completed_in_sample": 1,
      "phase3plus_in_sample": 0,
      "countries_in_sample": 1,
      "query_url": "https://clinicaltrials.gov/search?cond=macular%20degeneration&intr=hematopoietic%20stem%20cell%20transplantation"
    },
    {
      "condition_slug": "macular-degeneration",
      "condition_query": "macular degeneration",
      "therapy_class": "msc",
      "intervention_query": "mesenchymal stem cell",
      "retrieved_at": "2026-08-29",
      "query_total": 4,
      "sampled_records": 4,
      "recruiting_in_sample": 2,
      "completed_in_sample": 0,
      "phase3plus_in_sample": 0,
      "countries_in_sample": 6,
      "query_url": "https://clinicaltrials.gov/search?cond=macular%20degeneration&intr=mesenchymal%20stem%20cell"
    },
    {
      "condition_slug": "macular-degeneration",
      "condition_query": "macular degeneration",
      "therapy_class": "prp",
      "intervention_query": "platelet-rich plasma",
      "retrieved_at": "2026-08-29",
      "query_total": 5,
      "sampled_records": 5,
      "recruiting_in_sample": 1,
      "completed_in_sample": 3,
      "phase3plus_in_sample": 1,
      "countries_in_sample": 3,
      "query_url": "https://clinicaltrials.gov/search?cond=macular%20degeneration&intr=platelet-rich%20plasma"
    }
  ]
}