# Microgram: fda-clinical-hold-criteria

`station__algovigilance__microgram-fda-clinical-hold-criteria` · native (always callable) · domain `algovigilance` · pv-relevance `pv-core`

FDA clinical hold decision criteria: routes by hold basis and study phase per 21 CFR 312.42

## Agent metadata

- `idempotent`: true
- `read_only`: true
- `expected_latency_ms`: unknown (not yet contract-tested)
- `cost_tokens_estimate`: unknown

## Input schema

- `hold_basis` *string* (required) — Basis for clinical hold: unreasonable_risk, unqualified_investigators, misleading_brochure, insufficient_toxicology, deficient_protocol, deficient_informed_consent
- `study_phase` *string* — Clinical trial phase: phase1, phase2, phase3, phase4, babe
- `prior_hold` *boolean* — Whether the IND has been on hold previously for the same issue

## Example call

```json
POST /api/mcp
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__algovigilance__microgram-fda-clinical-hold-criteria",
    "arguments": {
      "hold_basis": ""
    }
  }
}
```

## Related

- [/tools](/tools) — all 7718 tools
- [/tools/algovigilance__microgram-fda-clinical-hold-criteria](/tools/algovigilance__microgram-fda-clinical-hold-criteria) — HTML page
- [/tools/algovigilance__microgram-fda-clinical-hold-criteria/json](/tools/algovigilance__microgram-fda-clinical-hold-criteria/json) — JSON form (agent-friendly)
- [/api/mcp](/api/mcp) — endpoint
- [/AGENTS.md](/AGENTS.md) — agent guide