ClinicalTrials.Veeva

Menu

STEPS Trial - Spheramine Safety and Efficacy Study

Bayer logo

Bayer

Status and phase

Terminated
Phase 2

Conditions

Parkinson Disease

Treatments

Biological: Spheramine (BAY86-5280)
Procedure: Placebo

Study type

Interventional

Funder types

Industry

Identifiers

NCT00206687
305405 (Other Identifier)
91039

Details and patient eligibility

About

The purpose of the study is to explore the safety, tolerability and efficacy of Spheramine (cultured human retinal pigment epithelial cells on microcarriers) in Parkinson's Disease patients with advanced disease who have insufficient symptom control by optimum oral medication. Patients are randomized to receive Spheramine injections into both hemispheres or a sham surgical procedure in a ratio of 1:1. A three month pretreatment period must be completed prior to surgery. Time to endpoint is 24 months.

Full description

This study has previously been posted by Berlex, Inc. and Schering AG, Germany.Berlex, Inc. has been renamed to Bayer HealthCare Pharmaceuticals, Inc., Schering AG Germany has been renamed to Bayer Schering Pharma AG, Germany. Bayer HealthCare Pharmaceuticals, Inc.and Bayer Schering Pharma AG, Germany are the sponsors of the trial.

Enrollment

71 patients

Sex

All

Ages

30 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Advanced Parkinson's disease for at least 5 years
  • Good response to L-dopa
  • Age 30 to 70 years
  • Optimum oral therapy

Exclusion criteria

  • Tremor only
  • Dementia
  • Very severe dyskinesia
  • Previous brain surgery including deep brain stimulation
  • Malignant disease

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

71 participants in 2 patient groups

Arm 1
Experimental group
Treatment:
Biological: Spheramine (BAY86-5280)
Arm 2
Sham Comparator group
Treatment:
Procedure: Placebo

Trial contacts and locations

15

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems