# Study to Compare Tenofovir Alafenamide (TAF) Versus Tenofovir Disoproxil Fumarate (TDF) in Participants With Chronic Hepatitis B Infection Who Are Positive for Hepatitis B e Antigen

> **NCT01940471** · PHASE3 · COMPLETED · sponsor: **Gilead Sciences** · enrollment: 875 (actual)

## Conditions studied

- HBeAg-positive Chronic Hepatitis B

## Interventions

- **DRUG:** TAF
- **DRUG:** TDF
- **DRUG:** TAF Placebo
- **DRUG:** TDF Placebo

## Key facts

- **NCT ID:** NCT01940471
- **Lead sponsor:** Gilead Sciences
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-09-11
- **Primary completion:** 2015-11-16
- **Final completion:** 2022-10-13
- **Target enrollment:** 875 (ACTUAL)
- **Last updated:** 2023-10-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01940471

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01940471, "Study to Compare Tenofovir Alafenamide (TAF) Versus Tenofovir Disoproxil Fumarate (TDF) in Participants With Chronic Hepatitis B Infection Who Are Positive for Hepatitis B e Antigen". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01940471. Licensed CC0.

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