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CompletedNCT00185341Updated May 2, 2016

Study to Investigate the Efficacy of a Non-hormonal Drug Against Endometriosis Associated Pelvic Pain

A Phase 2 interventional study of CCR1-Antagonist (BAY86-5047, ZK811752) and Placebo in Endometriosis, sponsored by Bayer. Completed at 32 sites in 7 countries. Open to female participants aged 18 Years to 45 Years. Per ClinicalTrials.gov, last updated 2016-05-02.

Sponsored by Bayer · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
110
Allocation
Randomized
Ages
18 Years to 45 Years
Sex
Female
01

Study summary

This study was designed as a proof-of-concept trial to evaluate safety, tolerability, and the efficacy of 1800 mg (ZK 811752 600 mg given orally three times daily) over 12 weeks for the treatment of endometriosis associated pelvic pain (EAPP) in comparison to placebo.

Read the detailed description

The study has previously been posted by Schering AG, Germany. Schering AG, Germany has been renamed to Bayer Schering Pharma AG, Germany.

Bayer Schering Pharma AG, Germany is the sponsor of the trial.

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Conditions studied

  • Endometriosis

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Keywords

  • Endometriosis associated pelvic pain
03

In context

Endometriosis

901 studies on the registry are indexed under Endometriosis; 259 are open to participants now.

This study's enrollment of 110 is above the median of 64 across 525 interventional studies indexed under Endometriosis.

Browse Endometriosis studies →

Lead sponsor

Bayer is the lead sponsor of 1,643 studies on the registry; 57 are open to participants now.

Of its 209 completed or terminated interventional studies of FDA-regulated products, 129 (62%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 45 Years
Sexes eligible
Female
Accepts healthy volunteers
No

Eligibility criteria

Inclusion Criteria:

  • Pain associated with proven endometriosis, as determined by diagnostic measures within 24 months prior to start of treatment
  • Women with cyclic menstrual bleeding- Good general health
  • Willingness to use a barrier contraceptive method such as condoms but no hormonal contraception- Willingness to use only up to 3 Ibuprofen 400 tablets as pain killer for endometriosis-related pelvic pain - Age 18 to 45 years inclusive - Fertile and non-fertile Exclusion Criteria:
  • Pregnancy, lactation- Bearing of an intra-uterine device
  • Current use of hormonal agents.
  • Actual or history of cardiovascular and further serious disorders
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
110 participants (actual)

Study arms

  • Experimental
    CCR-1 Receptor Antagonist

    Subjects received 600 mg (2 x 300 mg tablets) of CCR-1 Receptor Antagonist 3 times daily

    Drug: CCR1-Antagonist (BAY86-5047, ZK811752)

  • Placebo comparator
    Placebo

    Subjects received placebo corresponding to verum

    Drug: Placebo

Interventions

  • DrugCCR1-Antagonist (BAY86-5047, ZK811752)

    Given orally in a dose of 600 mg three times daily over 12 weeks

  • DrugPlacebo

    Placebo

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What researchers measure

Primary outcomes

  1. Individual absolute change in endometriosis associated pelvic pain (EAPP)

    EAPP was assessed by a composite parameter, consisting of the reading of the visual analog scale (VAS) and the intake of rescue medication

    Time frame: 12 weeks

  2. Individual change in intake of rescue medication

    Time frame: 12 weeks

Secondary outcomes

  1. Number of participants with adverse events

    Time frame: 12 weeks

07

Study locations

32 sites
  • Hradec Kralove, 50036, Czech Republic
  • Praha, 12851, Czech Republic
  • Praha, 14700, Czech Republic
  • Praha, 15006, Czech Republic
  • Aarhus, 8200, Denmark
  • Glostrup, 2600, Denmark
  • Helsinki, 00029, Finland
  • Helsinki, 00100, Finland
  • Joensuu, 80210, Finland
  • Kuopio, 70110, Finland
  • Oulu, 90100, Finland
  • Turku, 20100, Finland
  • Bordeaux, 33000, France
  • Clermont Ferrand, 63000, France
  • Lyon, 69003, France
  • Amsterdam, 1061 AE, Netherlands
  • Amsterdam, 1081 HV, Netherlands
  • Maastricht, 6229 HX, Netherlands
  • Nijmegen, 6525 GA, Netherlands
  • Oviedo, Asturias 33006, Spain
  • Barcelona, 08022, Spain
  • Barcelona, 08036, Spain
  • Madrid, 28040, Spain
  • Madrid, 28046, Spain
  • Sevilla, 41014, Spain
  • Valencia, 46010, Spain
  • Göteborg, 41685, Sweden
  • Lund, 22185, Sweden
  • Skövde, 541 85, Sweden
  • Stockholm, 141 86, Sweden
  • Stockholm, 182 88, Sweden
  • Uppsala, 75185, Sweden
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References and documents

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 2, 2016, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT00185341
Lead sponsor
Bayer
Responsible party
Sponsor
First posted
Sep 16, 2005
Start date
Feb 2005
Primary completion
Feb 2007
Completion
Feb 2007
Last update
May 2, 2016

Study contacts

Bayer Study Director
study director · Bayer
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Apr 2016. You cannot join it, but the record below documents what was studied.

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