# Efficacy and Safety Study to Treat Subjects With Symptomatic Internal Hemorrhoids

> **NCT01355874** · PHASE3 · TERMINATED · sponsor: **Ventrus Biosciences, Inc** · enrollment: 403 (actual)

## Conditions studied

- Internal Hemorrhoids

## Interventions

- **DRUG:** Iferanserin
- **DRUG:** Placebo
- **DRUG:** Iferanserin + Placebo

## Key facts

- **NCT ID:** NCT01355874
- **Lead sponsor:** Ventrus Biosciences, Inc
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2011-07
- **Primary completion:** 2012-06
- **Final completion:** 2012-06
- **Target enrollment:** 403 (ACTUAL)
- **Why stopped:** The primary endpoint was not met on the double blind data
- **Last updated:** 2014-01-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01355874

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01355874, "Efficacy and Safety Study to Treat Subjects With Symptomatic Internal Hemorrhoids". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT01355874. Licensed CC0.

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