Clinical trial failure analysis for a disease area — why Phase 2/3 trials failed (wrong ta
Clinical trial failure analysis for a disease area — why Phase 2/3 trials failed (wrong target, patient population, endpoint, dose, safety), failure taxonomy with percentages, phase-transition success rates and design lessons. Worldwide. For drug developers and biotech investors.
200000 (raw units)
price
1
calls / 30d
1
unique payers
2026-08-20
updated
Provider
clinicalintelpulse.theaslangroupllc.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
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]Output schema
{
"bazaar": {
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"input": {
"method": "GET",
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"condition": "Disease — e.g. \"Alzheimer Disease\" | \"Sepsis\" | \"ALS\" | \"Depression\" | \"NASH\"",
"lang": "en | es | fr | de | ja | zh | ko | pt | ar | hi (default: en)"
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"failure_taxonomy": {
"operational_failures": {
"examples": [
"COVID-19 disruption, enrollment failures in rare AD subpopulations"
],
"pct": 4
},
"safety_termination": {
"examples": [
"ARIA (amyloid-related imaging abnormalities) from anti-amyloid antibodies; dose-limiting"
],
"key_trials": [
"Aducanumab Phase 3 dose arm"
],
"pct": 8
},
"wrong_endpoint": {
"examples": [
"ADAS-Cog and MMSE insensitive to early disease changes; CDR-SB now standard"
],
"key_trials": [
"Multiple agents 2010-2020"
],
"pct": 18
},
"wrong_patient_population": {
"examples": [
"Treating symptomatic patients too late — amyloid deposited 10-15 years before symptoms"
],
"key_trials": [
"Bapineuzumab (mild-moderate vs. early)"
],
"pct": 28
},
"wrong_target_or_hypothesis": {
"examples": [
"Decades of amyloid-only focus; tau, neuroinflammation, synaptic loss all contributing to failure cascade"
],
"key_trials": [
"Solanezumab",
"Verubecestat",
"Atabecestat"
],
"pct": 42
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"historical_success_rates": {
"overall_clinical_success_pct": 3.4,
"phase2_to_phase3_pct": 31,
"phase3_to_approval_pct": 11,
"vs_all_diseases_benchmark": "Alzheimer's has the lowest Phase 3 success rate of any major disease category (11% vs. 58% oncology, 67% hematology)"
},
"lessons_learned": [
"Early intervention is critical — treat pre-symptomatic or MCI only",
"Amyloid PET and CSF biomarkers required for enrollment (not just clinical diagnosis)",
"CDR-SB global score now accepted primary endpoint by FDA (post-2018)",
"ARIA management protocols must be pre-specified — not post-hoc",
"Combination approaches (amyloid + tau + neuroinflammation) likely needed"
],
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"what_still_might_fail": [
"Tau-targeting agents if amyloid clearance alone sufficient",
"Agents tested in wrong disease stage despite lessons",
"CNS inflammation approaches without biomarker stratification"
]
},
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}
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}Use it
curl
curl "https://clinicalintelpulse.theaslangroupllc.com/api/clinical/failure-analysis" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://clinicalintelpulse.theaslangroupllc.com/api/clinical/failure-analysis");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://clinicalintelpulse.theaslangroupllc.com/api/clinical/failure-analysis")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/4544.json, and this resource appears in /discovery/resources and /discovery/search.