test-api-simple.mjs

async function testClinicalTrialsAPI() {
  console.log('\n=== Testing ClinicalTrials.gov API ===\n');

  console.log('1. Searching for "lung cancer" trials...');

  try {
    const params = new URLSearchParams({
      "query.cond": "lung cancer",
      "filter.overallStatus": "RECRUITING",
      pageSize: "5",
      countTotal: "true",
      format: "json",
    });

    const res = await fetch(
      `https://clinicaltrials.gov/api/v2/studies?${params.toString()}`
    );

    if (!res.ok) {
      throw new Error(`API error: ${res.status}`);
    }

    const data = await res.json();
    console.log('✓ Found', data.totalCount, 'total trials');
    console.log('✓ Retrieved', data.studies?.length || 0, 'studies in this batch');

    if (data.studies && data.studies.length > 0) {
      const study = data.studies[0];
      const proto = study.protocolSection;
      const id = proto?.identificationModule;
      const elig = proto?.eligibilityModule;

      console.log('\n2. First trial details:');
      console.log('  NCT ID:', id?.nctId);
      console.log('  Title:', id?.briefTitle?.substring(0, 60) + '...');
      console.log('  Phase:', proto?.designModule?.phases?.join(', ') || 'N/A');
      console.log('  Status:', proto?.statusModule?.overallStatus);
      console.log('  Min age:', elig?.minimumAge);
      console.log('  Max age:', elig?.maximumAge);
      console.log('  Sex:', elig?.sex);
      console.log('  Criteria length:', elig?.eligibilityCriteria?.length || 0, 'chars');
    }

    console.log('\n3. Testing geographic search (Toronto, 100km)...');
    const geoParams = new URLSearchParams({
      "query.cond": "lung cancer",
      "filter.overallStatus": "RECRUITING",
      "filter.geo": "distance(43.6532,-79.3832,100km)",
      pageSize: "5",
      format: "json",
    });

    const geoRes = await fetch(
      `https://clinicaltrials.gov/api/v2/studies?${geoParams.toString()}`
    );

    const geoData = await geoRes.json();
    console.log('✓ Found', geoData.totalCount, 'trials near Toronto (100km)');

    console.log('\n✅ All API tests passed!\n');
  } catch (err) {
    console.error('❌ API test failed:', err.message);
    process.exit(1);
  }
}

testClinicalTrialsAPI();