NCT02127853

Brief Summary

Gabapentin pretreatment may reduce hyperalgesia occurring at the second surgery in serial, bilateral cataract surgery.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
70

participants targeted

Target at P25-P50 for phase_4

Timeline
Completed

Started Jul 2014

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 29, 2014

Completed
2 days until next milestone

First Posted

Study publicly available on registry

May 1, 2014

Completed
2 months until next milestone

Study Start

First participant enrolled

July 1, 2014

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2016

Completed
Last Updated

May 12, 2015

Status Verified

April 1, 2014

Enrollment Period

1.6 years

First QC Date

April 29, 2014

Last Update Submit

May 10, 2015

Conditions

Keywords

serial cataract surgeryhyperalgesiagabapentincentral sensitization

Outcome Measures

Primary Outcomes (1)

  • proportion of subjects who answer that "pain was greater" in the second eye surgery

    Intra operative (pain while fluid injection to anterior chamber)

Secondary Outcomes (1)

  • perioperative pain

    end of surgery, post-op 1hr at PACU, at out-patient ward, post-op 1 day

Other Outcomes (2)

  • satisfaction

    intra operative

  • anxiety

    baseline (at OR room arrival, just before sterile draping)

Study Arms (2)

Gabapentin

EXPERIMENTAL

gabapentin pretreatment

Drug: gabapentin

Placebo

PLACEBO COMPARATOR

placebo drug pretreatment

Drug: placebo

Interventions

100 mg tid of gabapentin is prescribed to the patient for 1 week after the first eye surgery

Gabapentin

the same regimen of placebo drug is prescribed to the patient for 1 week after the first eye surgery

Placebo

Eligibility Criteria

Age20 Years - 80 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patient of ASA(American Cociety of Anesthesiology) class I, II, III between age 20 to 80, scheduled for serial bilateral cataract surgery(1 weel interval)

You may not qualify if:

  • refuse to participate
  • BMI\<16 or BMI \>30
  • severe cardiovascular, pulmonary, renal disease
  • alcohol or drug abuse
  • currently taking CNS(central nervous system) inhibitory drugs
  • taking antiacids
  • depressive disorder pregnancy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Seoul National University Hospital

Seoul, 110-799, South Korea

RECRUITING

MeSH Terms

Conditions

Hyperalgesia

Interventions

Gabapentin

Condition Hierarchy (Ancestors)

Somatosensory DisordersSensation DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

AminesOrganic Chemicalsgamma-Aminobutyric AcidAminobutyratesButyratesAcids, AcyclicCarboxylic AcidsCyclohexanecarboxylic AcidsAcids, CarbocyclicCyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicHydrocarbonsAmino AcidsAmino Acids, Peptides, and Proteins

Central Study Contacts

Heepyoung Park, MD,PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
associate professor

Study Record Dates

First Submitted

April 29, 2014

First Posted

May 1, 2014

Study Start

July 1, 2014

Primary Completion

February 1, 2016

Study Completion

February 1, 2016

Last Updated

May 12, 2015

Record last verified: 2014-04

Locations