# A Phase 4, Observational Field Study to Evaluate TPOXX in Patients With Smallpox

> **NCT03972111** · — · WITHDRAWN · sponsor: **SIGA Technologies**

## Conditions studied

- Smallpox

## Interventions

- **DRUG:** TPOXX 200Mg Capsule

## Key facts

- **NCT ID:** NCT03972111
- **Lead sponsor:** SIGA Technologies
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2020-01-01
- **Primary completion:** 2024-09-30
- **Final completion:** 2024-09-30
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** commitment fulfilled
- **Last updated:** 2022-10-03

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03972111

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03972111, "A Phase 4, Observational Field Study to Evaluate TPOXX in Patients With Smallpox". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT03972111. Licensed CC0.

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