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OpenTrials
Completed

NCT Number: NCT01741961

Long Term Outcome After Ahmed Glaucoma Valve

Long term results after Ahmed glaucoma valve implantation for uncontrolled glaucoma are retrospectively examined.

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Key information

Conditions

Glaucoma Eye Diseases Ocular Hypertension

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

University Eye Clinic Dresden

Dresden, Saxony, 01307, Germany

About this study

The development of intraocular pressure, visual acuity, number of glaucoma medication, number of complications and necessity of revision operations after Ahmed glaucoma valve implantation for uncontrolled glaucoma is examined yearly for a period of 4 years.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients suffering from medically uncontrolled glaucoma
  • Informed consent

Exclusion criteria

  • healthy subjects
  • under 18 years

Treatment and study plan

Ahmed valve

Procedure

The flexible plate 7 (FP7) model (New World Medical) was implanted in patients with uncontrolled glaucoma.

Primary outcomes

  1. intraocular pressure reduction

    Time frame: 4 years

    The reduction of intraocular pressure after Ahmed glaucoma valve implantation is observed over a period of 4 years.

Secondary outcomes

  1. development of visual acuity

    Time frame: 4 years

    The development of visual acuity after Ahmed glaucoma valve implantation is being examined over a period of 4 years.

Other outcomes

  1. reduction of glaucoma medication

    Time frame: 4 years

    The number of glaucoma medication after Ahmed glaucoma valve implantation are being examined over a period of 4 years.

  2. postoperative complications

    Time frame: 4 years

    Possible postoperative complications after Ahmed glaucoma valve implantation are being examined over a period of 4 years.

  3. need for revision operation

    Time frame: 4 years

    The need for revision operations after Ahmed glaucoma valve implantation is being examined over a period of 4 years.

Sponsors and collaborators

Lead sponsor

Technische Universität Dresden

Other

Registry information

Official study title

4-year Follow-up After Ahmed Glaucoma Valve Implantation for Lowering Intraocular Pressure in Different Types of Glaucoma

Important dates

Study start
2006
Primary completion
2012
Study completion
2012
First posted
Dec 5, 2012
Registry last updated
Dec 5, 2012

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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