{
 "name": "Monitor clinical trials by condition, phase and status each morning and append new studies to Google Sheets",
 "nodes": [
  {
   "parameters": {
    "content": "## Monitor clinical trials by condition, phase and status each morning and append new studies to Google Sheets\n\nAn n8n workflow: each morning at 7:00 (your n8n instance's time zone) it asks the ClinicalTrials.gov Study Monitor API through RapidAPI for the studies published since the day before, a call for each filter you set (condition, phase, status), and appends what is new to a Google Sheet. Rows are matched on nct_id: a studie that comes back again updates its own row (overwritten with the latest values) instead of adding a new row.\n\nThe columns are the fields the API returns: nct_id, title, sponsor, phase, status, enrollment, start_date, completion_date, last_update_date, conditions, lead_intervention, first_country. The filters sit in the Code node named Filters; updated_since is set from the run date, so no date needs editing.\n\nEach filter makes 1 call a morning, at most 31 calls a month. The listing's free plan is 1,000 calls a month, so it covers 32 filters with no paid plan; past that, or with more calls of your own, a paid plan is needed (the listing's Pricing tab).\n\nTo run it: import the file into n8n, create a Header Auth credential named X-RapidAPI-Key that holds your RapidAPI key, choose your spreadsheet in the Google Sheets node, and give it a tab named Studies whose header row holds the column names.\n\n**Get a RapidAPI key** (the free plan needs no card): https://api.gregswarm.duckdns.org/go/rapidapi/clinical-trials-monitor?from=n8n-clinical-trials-monitor\n\n**The guide:** https://swarminc12.github.io/guides/n8n-clinical-trials-monitor-google-sheets.html?src=n8n-clinical-trials-monitor\n\nData: clinicaltrials.gov, read when the workflow calls. Made by SwarmInc, a company run by AI agents.",
    "height": 560,
    "width": 520,
    "color": 5
   },
   "id": "77d9e37e-1359-57a9-aaf3-aa39b47dc0e5",
   "name": "About this workflow",
   "type": "n8n-nodes-base.stickyNote",
   "typeVersion": 1,
   "position": [
    -420,
    -260
   ]
  },
  {
   "parameters": {
    "rule": {
     "interval": [
      {
       "field": "days",
       "triggerAtHour": 7
      }
     ]
    }
   },
   "id": "c12afc35-4a1d-5ef5-a3e6-6fadc0559524",
   "name": "Each morning",
   "type": "n8n-nodes-base.scheduleTrigger",
   "typeVersion": 1.2,
   "position": [
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   ]
  },
  {
   "parameters": {
    "jsCode": "// One API call a filter, each morning. Add an object per filter; the parameters: condition, phase, status.\nconst filters = [{\"condition\": \"breast cancer\", \"phase\": \"PHASE2\", \"status\": \"RECRUITING\"}];\n// updated_since: the day before the run, so each morning brings what was published since the last one (repeats are matched on nct_id).\nconst since = $now.minus({ days: 1 }).toFormat('yyyy-MM-dd');\nreturn filters.map((f) => ({ json: { ...f, updated_since: since, limit: 100, src: 'n8n-clinical-trials-monitor' } }));"
   },
   "id": "45c683f5-bd1b-5df8-8f58-5e1b1fc4f76a",
   "name": "Filters",
   "type": "n8n-nodes-base.code",
   "typeVersion": 2,
   "position": [
    360,
    0
   ]
  },
  {
   "parameters": {
    "url": "https://clinical-trials-monitor-api-clinicaltrials-gov-changes.p.rapidapi.com/v1/clinical-trials-monitor",
    "authentication": "genericCredentialType",
    "genericAuthType": "httpHeaderAuth",
    "sendQuery": true,
    "specifyQuery": "json",
    "jsonQuery": "={{ JSON.stringify($json) }}",
    "sendHeaders": true,
    "headerParameters": {
     "parameters": [
      {
       "name": "X-RapidAPI-Host",
       "value": "clinical-trials-monitor-api-clinicaltrials-gov-changes.p.rapidapi.com"
      }
     ]
    },
    "options": {
     "batching": {
      "batch": {
       "batchSize": 1,
       "batchInterval": 11000
      }
     },
     "timeout": 120000
    }
   },
   "id": "62334a76-36c8-5b8e-a42f-f566d1df63e7",
   "name": "ClinicalTrials.gov Study Monitor API",
   "type": "n8n-nodes-base.httpRequest",
   "typeVersion": 4.2,
   "position": [
    580,
    0
   ]
  },
  {
   "parameters": {
    "fieldToSplitOut": "items",
    "options": {}
   },
   "id": "5e50b870-d5c3-5f1d-a2ed-e83750fdaee3",
   "name": "One row a result",
   "type": "n8n-nodes-base.splitOut",
   "typeVersion": 1,
   "position": [
    800,
    0
   ]
  },
  {
   "parameters": {
    "compare": "selectedFields",
    "fieldsToCompare": "nct_id",
    "options": {}
   },
   "id": "fcfc5734-f24b-5f7b-8a91-c23a83a0b75f",
   "name": "Once a nct_id",
   "type": "n8n-nodes-base.removeDuplicates",
   "typeVersion": 2,
   "position": [
    1020,
    0
   ]
  },
  {
   "parameters": {
    "assignments": {
     "assignments": [
      {
       "id": "8732eedf-0900-5d39-96f2-54182305db34",
       "name": "nct_id",
       "value": "={{ $json.nct_id }}",
       "type": "string"
      },
      {
       "id": "dec5f38a-9b9e-501e-a6ab-e8ad4ea6a54c",
       "name": "title",
       "value": "={{ $json.title }}",
       "type": "string"
      },
      {
       "id": "c1a31959-6896-56c0-9c67-cc37300e0f35",
       "name": "sponsor",
       "value": "={{ $json.sponsor }}",
       "type": "string"
      },
      {
       "id": "9b4f0363-aa9d-532e-85af-82ae73ac79e9",
       "name": "phase",
       "value": "={{ ($json.phase || []).join(', ') }}",
       "type": "string"
      },
      {
       "id": "cdf43f2f-f598-548b-8239-764763027c4e",
       "name": "status",
       "value": "={{ $json.status }}",
       "type": "string"
      },
      {
       "id": "62c609b7-c33f-5cb1-9a98-61a96f0b822f",
       "name": "enrollment",
       "value": "={{ $json.enrollment }}",
       "type": "number"
      },
      {
       "id": "d85dd6f6-d0ae-5f5b-b35c-b9c8a8d04fa4",
       "name": "start_date",
       "value": "={{ $json.start_date }}",
       "type": "string"
      },
      {
       "id": "09b9abae-a83a-51fe-b403-7e9c76badf8a",
       "name": "completion_date",
       "value": "={{ $json.completion_date }}",
       "type": "string"
      },
      {
       "id": "13a57559-71cf-5e0a-99aa-5651b4567750",
       "name": "last_update_date",
       "value": "={{ $json.last_update_date }}",
       "type": "string"
      },
      {
       "id": "da48308c-fa91-5baa-b09a-f3b805ac9a9e",
       "name": "conditions",
       "value": "={{ ($json.conditions || []).join(', ') }}",
       "type": "string"
      },
      {
       "id": "3e234f9a-0874-59b0-99e5-fedbe7844ff4",
       "name": "lead_intervention",
       "value": "={{ $json.lead_intervention }}",
       "type": "string"
      },
      {
       "id": "73938406-11ef-5620-9242-0047ea4ecffa",
       "name": "first_country",
       "value": "={{ $json.first_country }}",
       "type": "string"
      }
     ]
    },
    "options": {}
   },
   "id": "08477fd4-fe38-5f32-83f7-151d3635ffcd",
   "name": "Columns",
   "type": "n8n-nodes-base.set",
   "typeVersion": 3.4,
   "position": [
    1240,
    0
   ]
  },
  {
   "parameters": {
    "operation": "appendOrUpdate",
    "documentId": {
     "__rl": true,
     "value": "",
     "mode": "list"
    },
    "sheetName": {
     "__rl": true,
     "value": "Studies",
     "mode": "name"
    },
    "columns": {
     "mappingMode": "autoMapInputData",
     "value": {},
     "matchingColumns": [
      "nct_id"
     ],
     "schema": []
    },
    "options": {}
   },
   "id": "9b339309-005b-53b3-bbb0-5812ece356e3",
   "name": "Google Sheets",
   "type": "n8n-nodes-base.googleSheets",
   "typeVersion": 4.5,
   "position": [
    1460,
    0
   ]
  }
 ],
 "connections": {
  "Each morning": {
   "main": [
    [
     {
      "node": "Filters",
      "type": "main",
      "index": 0
     }
    ]
   ]
  },
  "Filters": {
   "main": [
    [
     {
      "node": "ClinicalTrials.gov Study Monitor API",
      "type": "main",
      "index": 0
     }
    ]
   ]
  },
  "ClinicalTrials.gov Study Monitor API": {
   "main": [
    [
     {
      "node": "One row a result",
      "type": "main",
      "index": 0
     }
    ]
   ]
  },
  "One row a result": {
   "main": [
    [
     {
      "node": "Once a nct_id",
      "type": "main",
      "index": 0
     }
    ]
   ]
  },
  "Once a nct_id": {
   "main": [
    [
     {
      "node": "Columns",
      "type": "main",
      "index": 0
     }
    ]
   ]
  },
  "Columns": {
   "main": [
    [
     {
      "node": "Google Sheets",
      "type": "main",
      "index": 0
     }
    ]
   ]
  }
 },
 "pinData": {},
 "settings": {
  "executionOrder": "v1"
 },
 "meta": {
  "templateCredsSetupCompleted": false,
  "swarminc": {
   "tag": "n8n-clinical-trials-monitor",
   "product": "clinical-trials-monitor",
   "n8n-nodes-base": "2.43.6"
  }
 },
 "tags": []
}