Chronic Neuropathic PainPhase 4NCT00189072
Effects of Gabapentin in the Treatment of Neuropathic Pain on Driving Performance and Cognition
A Phase 4 study testing gabapentin in people with Chronic Neuropathic Pain, run by UMC Utrecht at 1 site in Netherlands.
Trial summary
The aim of this study was to explore the effects of pain on the one hand and the effects of treatment of pain with gabapentin (900, 1200, 1800 or 2400 mg) on the other hand on actual driving performance and several laboratory tests in patients with neuropathic pain. Read more about this study
- Who is it for?
- Ages 30 to 60 years
- Conditions the study is for
- Chronic Neuropathic Pain
- What is being tested?
- gabapentin
- How many people
- 24 participants
- Where
- 1 siteNetherlands
- Study dates
- Apr 2003to not given
- Phase
- Phase 4
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 30 to 60 years
- All sexes
- No healthy volunteers
- Adult
Who may be able to join
- age, responder to gabapentin,succesfully treated with gabapentin at least 4 weeks before start of study, minimal VAS pain intensity scores of 4 cm on a 10 cm scale, driving licence, driving experience, fluently speaking Dutch, normal vision, right-handed
Who cannot join
- alcohol- or drug dependence, use of other psychotropic medication, use of illicit drugs, psychological or physical disorder other than pain or pain-related, excessive smoking and drinking
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Effects of Pain and the Treatment of Pain With Gabapentin (900-3600 Mg) on Driving Ability, Attentional Capacity and Psychomotor Performance in Chronic Neuropathic Pain Patients
The aim of this study was to explore the effects of pain on the one hand and the effects of treatment of pain with gabapentin (900, 1200, 1800 or 2400 mg) on the other hand on actual driving performance and several laboratory tests in patients with neuropathic pain. It was hypothesized that gabapentin might influence performance after acute but not after subchronic administration.
Read the detailed description
Numerous studies demonstrate neuropsychological impairment in patients with chronic pain, particularely on measures assessing attentional capacity, processing speed and psychomotor speed. About 50% of the patients suffering from neuropathic pain are treated with anticonvulsants, as a treatment against serious pain complaints, and experience good pain relief. Gabapentin is one of the most prescribed anticonvulsants for the treatment of neuropathic pain. An important disadvantage of treatment with gabapentin could be the occurrence of side effects, such as somnolence and fatigue. These side effects can constitute a crucial problem for patients treated with gabapentin who must operate a motor vehicle or other dangerous machinery. However, pain affects cognition negatively, and possibly also driving. Therefore, another possibility is that treatment with gabapentin for these pain complaints can improve driving because the pain has less influence. Since driving is an activity of daily living that is important in maintaining independency in the community, such as access to employment and social activities, it is important to establish the effects of using gabapentin on these abilities. No studies have been conducted so far to investigate driving abilities of patients with neuropathic pain, treated with gabapentin.The aim of this study was to explore the effects of pain on the one hand and the effects of acute (Day 1) and subchronic (Day 15) treatment of pain with gabapentin (900, 1200, 1800 or 2400 mg) on the other hand on actual driving performance and several laboratory tests in patients with neuropathic pain. It was hypothesized that gabapentin might influence performance after acute but not after subchronic administration. This study is a two-period double-blind, placebo-controlled, cross-over randomised study.
- Conditions
- Chronic Neuropathic Pain
- Being tested
- gabapentin
- Keywords
- gabapentin, neuropathic pain, driving, attention
- Medical subject headings
- Neuralgia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
gabapentinDrug
What is being measured
The primary outcome is the main question the study is designed to answer.
driving test parameters
Secondary outcomes (2)
laboratory test parameters
Event Related Potentials
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Sep 2005 (estimated)
- Study startApr 2003
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Chronic Neuropathic PainStudies of the same condition, open and under way.
- More trials run by UMC UtrechtThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 4
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- Double blind
- Enrolment
- 24 participants
Sponsor and investigators
- Lead sponsor
- UMC Utrecht
- Sponsor type
- University, hospital or other
- Collaborators
- Utrecht University
- Investigators
- Edmund Volkerts, PhD, Principal investigator, Utrecht University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00189072
- Sponsor's protocol ID
- 02/327
- Status last verified
- May 2005
- First submitted
- 12 Sep 2005
- Last updated
- 16 Sep 2005
- Results posted
- No
Study at a glance
From the registry record, last updated by the sponsor on 16 Sep 2005. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Effects of Pain and the Treatment of Pain With Gabapentin (900-3600 Mg) on Driving Ability, Attentional Capacity and Psychomotor Performance in Chronic Neuropathic Pain Patients
- ClinicalTrials.gov ID
- NCT00189072
- Acronym / sponsor ID
- 02/327
- Conditions
- Chronic Neuropathic Pain
- Keywords
- gabapentin, neuropathic pain, driving, attention
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Terminated
- Enrolment
- 24 participants
- Lead sponsor
- UMC UtrechtUniversity, hospital or other
- Collaborators
- Utrecht University
- Study start
- Apr 2003
- First posted
- 16 Sep 2005 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The aim of this study was to explore the effects of pain on the one hand and the effects of treatment of pain with gabapentin (900, 1200, 1800 or 2400 mg) on the other hand on actual driving performance and several laboratory tests in patients with neuropathic pain. It was hypothesized that gabapentin might influence performance after acute but not after subchronic administration.
Detailed description
Numerous studies demonstrate neuropsychological impairment in patients with chronic pain, particularely on measures assessing attentional capacity, processing speed and psychomotor speed. About 50% of the patients suffering from neuropathic pain are treated with anticonvulsants, as a treatment against serious pain complaints, and experience good pain relief. Gabapentin is one of the most prescribed anticonvulsants for the treatment of neuropathic pain. An important disadvantage of treatment with gabapentin could be the occurrence of side effects, such as somnolence and fatigue. These side effects can constitute a crucial problem for patients treated with gabapentin who must operate a motor vehicle or other dangerous machinery. However, pain affects cognition negatively, and possibly also driving. Therefore, another possibility is that treatment with gabapentin for these pain complaints can improve driving because the pain has less influence. Since driving is an activity of daily living that is important in maintaining independency in the community, such as access to employment and social activities, it is important to establish the effects of using gabapentin on these abilities. No studies have been conducted so far to investigate driving abilities of patients with neuropathic pain, treated with gabapentin.The aim of this study was to explore the effects of pain on the one hand and the effects of acute (Day 1) and subchronic (Day 15) treatment of pain with gabapentin (900, 1200, 1800 or 2400 mg) on the other hand on actual driving performance and several laboratory tests in patients with neuropathic pain. It was hypothesized that gabapentin might influence performance after acute but not after subchronic administration. This study is a two-period double-blind, placebo-controlled, cross-over randomised study.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- Double blind
Who may qualify
- Ages
- 30 to 60 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult
Key inclusion criteria (1 listed)
- age, responder to gabapentin,succesfully treated with gabapentin at least 4 weeks before start of study, minimal VAS pain intensity scores of 4 cm on a 10 cm scale, driving licence, driving experience, fluently speaking Dutch, normal vision, right-handed
Key exclusion criteria (1 listed)
- alcohol- or drug dependence, use of other psychotropic medication, use of illicit drugs, psychological or physical disorder other than pain or pain-related, excessive smoking and drinking
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| gabapentin | Drug | – |
Primary outcome
driving test parameters
2 secondary outcomes
laboratory test parameters
Event Related Potentials
Results and safety
The study was stopped early. Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 16 Sep 2005.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Edmund Volkerts, PhD principal investigator
Utrecht University
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing gabapentin in people with Chronic Neuropathic Pain, run by UMC Utrecht at 1 site in Netherlands.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: stopped early, as of the sponsor's last update on 16 Sep 2005. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Netherlands. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study was stopped early. Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
driving test parameters. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Sep 2005.