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Venlafaxine ER Phase 3 Study for Major Depressive Disorder (MDD)

NCT01441440 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 538

Last updated 2021-01-28

Study results available
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Summary

This is a phase 3, multi-center, randomized, double-blind, placebo-controlled, parallel group study to evaluate the efficacy and safety of venlafaxine ER 75 mg/day (fixed dose) and venlafaxine ER 75 mg/day to 225 mg/day (flexible dose), compared to placebo. This study consists of 2 week screening phase, 8 week treatment phase and 2 week tapering phase. The follow-up visit will be evaluated after 2 weeks of last study medication dosing.

Conditions

Interventions

DRUG

venlafaxine ER 75 mg/day (fixed dose)

Treatment phase: 8 weeks (37.5 mg/day for 1st week and 75 mg/day for 7 weeks), oral administration Tapering phase: 2 weeks (37.5 mg/day for the 1st week and placebo for the 2nd week), oral administration

DRUG

venlafaxine ER 75 mg/day to 225 mg/day (flexible dose)

Treatment phase: 8 weeks (37.5 mg/day for the 1st week, 75 mg/day for the 2nd weeks, 75-150 mg for the 3rd week, 75-225 mg/day for the rest of 5 weeks), oral administration Tapering phase: 2 weeks (75/37.5 mg/day for the 1st week and 37.5 mg/day/placebo for the 2nd week), oral administration

DRUG

Placebo

Treatment phase: 8 weeks (placebo), oral administration Tapering phase: 2 weeks (placebo), oral administration

Sponsors & Collaborators

  • Pfizer's Upjohn has merged with Mylan to form Viatris Inc.

    lead INDUSTRY

Principal Investigators

  • Pfizer CT.gov Call Center · Pfizer

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
20 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2011-11-30
Primary Completion
2014-03-31
Completion
2014-03-31

Countries

  • Japan

Study Locations

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Entities

Drugs
Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01441440 on ClinicalTrials.gov