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Cochrane Database of Systematic Reviews

Lamotrigina para el dolor neuropático crónico y la fibromialgia en adultos

Información

DOI:
https://doi.org/10.1002/14651858.CD006044.pub4Copiar DOI
Base de datos:
  1. Cochrane Database of Systematic Reviews
Versión publicada:
  1. 03 diciembre 2013see what's new
Tipo:
  1. Intervention
Etapa:
  1. Review
Grupo Editorial Cochrane:
  1. Grupo Cochrane de Dolor y cuidados paliativos

Copyright:
  1. Copyright © 2019 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.

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Contraer

Autores

Contributions of authors

All authors contributed equally to updating this review.

Sources of support

Internal sources

  • Oxford Pain Relief Trust, UK.

    General institutional support for the original review and updates

External sources

  • No sources of support supplied

Declarations of interest

SD and PW have received research support from charities, government and industry sources at various times, but none relate to this review.

RAM has consulted for various pharmaceutical companies and received lecture fees from pharmaceutical companies related to analgesics and other healthcare interventions, including (in the past five years) AstraZeneca, Eli Lilly, Flynn Pharma, Furtura Medical, Grünenthal, GSK, Horizon Pharma, Lundbeck, Menarini, MSD, Pfizer, Reckitt Benckiser, Sanofi Aventis, Urgo, Astellas, and Vifor Pharma.

Acknowledgements

Jayne Edwards (Rees) contributed as an author to the original review.

Version history

Published

Title

Stage

Authors

Version

2013 Dec 03

Lamotrigine for chronic neuropathic pain and fibromyalgia in adults

Review

Philip J Wiffen, Sheena Derry, R Andrew Moore

https://doi.org/10.1002/14651858.CD006044.pub4

2011 Feb 16

Lamotrigine for acute and chronic pain

Review

Philip J Wiffen, Sheena Derry, R Andrew Moore

https://doi.org/10.1002/14651858.CD006044.pub3

2007 Apr 18

Lamotrigine for acute and chronic pain

Review

Philip J Wiffen, Jayne Rees

https://doi.org/10.1002/14651858.CD006044.pub2

2006 Apr 19

Lamotrigine for acute and chronic pain

Protocol

Philip Wiffen, Henry HJ McQuay, R A Moore, Andrew Moore

https://doi.org/10.1002/14651858.CD006044

Differences between protocol and review

The updated review conforms to more stringent evidence standards than those pertaining at the time of the original protocol.

Notes

A restricted search in May 2016 did not identify any potentially relevant studies likely to change the conclusions. Therefore, this review has now been stabilised following discussion with the authors and editors. If appropriate, we will update the review if new evidence likely to change the conclusions is published, or if standards change substantially which necessitate major revisions.

Keywords

MeSH

PICO

Population
Intervention
Comparison
Outcome

El uso y la enseñanza del modelo PICO están muy extendidos en el ámbito de la atención sanitaria basada en la evidencia para formular preguntas y estrategias de búsqueda y para caracterizar estudios o metanálisis clínicos. PICO son las siglas en inglés de cuatro posibles componentes de una pregunta de investigación: paciente, población o problema; intervención; comparación; desenlace (outcome).

Para saber más sobre el uso del modelo PICO, puede consultar el Manual Cochrane.

Study flow diagram.
Figuras y tablas -
Figure 1

Study flow diagram.

Risk of bias summary: review authors' judgements about each risk of bias item for each included study.
Figuras y tablas -
Figure 2

Risk of bias summary: review authors' judgements about each risk of bias item for each included study.

Forest plot of comparison: 1 Painful diabetic neuropathy, outcome: 1.1 50% pain relief.
Figuras y tablas -
Figure 3

Forest plot of comparison: 1 Painful diabetic neuropathy, outcome: 1.1 50% pain relief.

Forest plot of comparison: 2 All conditions: lamotrigine versus placebo, outcome: 2.2 Rash.
Figuras y tablas -
Figure 4

Forest plot of comparison: 2 All conditions: lamotrigine versus placebo, outcome: 2.2 Rash.

Comparison 1 Painful diabetic neuropathy: lamotrigine versus placebo, Outcome 1 50% pain relief.
Figuras y tablas -
Analysis 1.1

Comparison 1 Painful diabetic neuropathy: lamotrigine versus placebo, Outcome 1 50% pain relief.

Comparison 2 All conditions: lamotrigine versus placebo, Outcome 1 At least one adverse event.
Figuras y tablas -
Analysis 2.1

Comparison 2 All conditions: lamotrigine versus placebo, Outcome 1 At least one adverse event.

Comparison 2 All conditions: lamotrigine versus placebo, Outcome 2 Rash.
Figuras y tablas -
Analysis 2.2

Comparison 2 All conditions: lamotrigine versus placebo, Outcome 2 Rash.

Summary of findings for the main comparison. Lamotrigine 200 to 400 mg versus placebo for neuropathic pain

Lamotrigine compared with placebo for painful diabetic neuropathy

Patient or population: neuropathic pain (three studies in painful diabetic neuropathy)

Settings: Community

Intervention: oral lamotrigine 200 to 400 mg daily

Comparison: placebo

Outcomes

Probable outcome with

Risk ratio

NNTor NNH

(95% CI)

No of studies, attacks, events

Quality of the evidence
(GRADE)

Comments

comparator

intervention

At least 50% of maximum pain relief

240 in 1000

260 in 1000

RR 1.1 (0.82 to 1.4)

NNT not calculated

3 studies, 773 participants, 195 events

High

Unlikely that further research would reveal significant benefit, especially as potential high positive bias exists in the calculations we have because of LOCF imputation or completer analyses

Participants with at least 1 adverse event (all conditions)

622 in 1000

717 in 1000

RR 1.1 (1.01 to 1.2)

NNH 10 (6.5 to 27)

7 studies, 1121 participants, 768 events

High

Large numbers of events

Participants with a serious adverse event (all conditions)

No data

Very low

No data

Participants with rash (all conditions)

56 in 1000

95 in 1000

RR 1.4 (1.01 to 2.0)

NNH 27 (16 to 89)

12 studies, 1715 participants, 138 events

Moderate

Modest number of events

Deaths (all conditions)

No data

Very low

No data

GRADE Working Group grades of evidence
High quality: Further research is very unlikely to change our confidence in the estimate of effect.
Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
Very low quality: We are very uncertain about the estimate.

LOCF: last observation carried forward; NNT: number needed to treat for an additional beneficial outcome: NNH: number needed to treat for an additional harmful outcome; RR: risk ratio

Figuras y tablas -
Summary of findings for the main comparison. Lamotrigine 200 to 400 mg versus placebo for neuropathic pain
Comparison 1. Painful diabetic neuropathy: lamotrigine versus placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 50% pain relief Show forest plot

3

773

Risk Ratio (M‐H, Fixed, 95% CI)

1.08 [0.82, 1.42]

Figuras y tablas -
Comparison 1. Painful diabetic neuropathy: lamotrigine versus placebo
Comparison 2. All conditions: lamotrigine versus placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 At least one adverse event Show forest plot

7

1121

Risk Ratio (M‐H, Fixed, 95% CI)

1.11 [1.01, 1.22]

2 Rash Show forest plot

12

1715

Risk Ratio (M‐H, Fixed, 95% CI)

1.43 [1.01, 2.03]

Figuras y tablas -
Comparison 2. All conditions: lamotrigine versus placebo