The Effect of Gabapentin (Neurentin) and Pregabalin (Lyrica) in Pain Reduction After Photorefractive Keratectomy (PRK)

The recruitment status of this study is unknown because the information has not been verified recently.
Verified March 2010 by Shahid Beheshti Medical University.
Recruitment status was  Recruiting
Information provided by:
Shahid Beheshti Medical University Identifier:
First received: April 12, 2010
Last updated: May 10, 2010
Last verified: March 2010

The studied patients will be given randomly one of three following drugs1:Gabapentin2: Pregabalin or placebo for 3 days after Photorefractive keratectomy surgery. The pain will be measured based on visual analog scale(VAS) on the day of operation and on the 3 rd day (morning, evening) and then compared among three groups.

Condition Intervention Phase
Refractive Errors
Drug: Pregabalin
Phase 1

Study Type: Interventional
Study Design: Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by Shahid Beheshti Medical University:

Primary Outcome Measures:
  • pain degree based on visual analog scale(VAS)

Arms Assigned Interventions
Active Comparator: Gabapentin Drug: Pregabalin
Active Comparator: Pregabalin Drug: Pregabalin


Ages Eligible for Study:   17 Years and older
Genders Eligible for Study:   Both

Inclusion Criteria:

  • patients candidate for PRK, 17<age<70

Exclusion Criteria:

  • use of any systemic analgesic drugs, drug intolerance, need of systemic or topical administration of NSAIDs or eye drops for allergy and glaucoma, dry eyes, pregnancy, breast feeding
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01122004

Contact: Amir faramarzi, MD +982122585952

Iran, Islamic Republic of
Ophthalmic Research Center Recruiting
Tehran, Iran, Islamic Republic of, 166666
Contact: Amir Faramarzi, MD   
Sponsors and Collaborators
Shahid Beheshti Medical University
  More Information

No publications provided Identifier: NCT01122004     History of Changes
Other Study ID Numbers: 8877
Study First Received: April 12, 2010
Last Updated: May 10, 2010
Health Authority: Iran: Ethics Committee

Additional relevant MeSH terms:
Gamma-Aminobutyric Acid
Calcium Channel Blockers
Cardiovascular Agents
Central Nervous System Agents
GABA Agents
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action
Neurotransmitter Agents
Peripheral Nervous System Agents
Pharmacologic Actions
Physiological Effects of Drugs
Sensory System Agents
Therapeutic Uses processed this record on March 26, 2015