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Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 1 Amitriptyline versus placebo.
Figuras y tablas -
Analysis 1.1

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 1 Amitriptyline versus placebo.

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 2 Desipramine vs placebo.
Figuras y tablas -
Analysis 1.2

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 2 Desipramine vs placebo.

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 3 Imipramine vs placebo.
Figuras y tablas -
Analysis 1.3

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 3 Imipramine vs placebo.

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 4 Other antidepressants vs placebo.
Figuras y tablas -
Analysis 1.4

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 4 Other antidepressants vs placebo.

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 5 Tricyclics versus anticonvulsants.
Figuras y tablas -
Analysis 1.5

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 5 Tricyclics versus anticonvulsants.

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 6 Venlafaxine vs placebo.
Figuras y tablas -
Analysis 1.6

Comparison 1 Global improvement ‐ number of patients with moderate pain relief or better, Outcome 6 Venlafaxine vs placebo.

Comparison 2 Diabetic neuropathy, Outcome 1 Antidepressant vs placebo. Number of patients with moderate pain relief or better.
Figuras y tablas -
Analysis 2.1

Comparison 2 Diabetic neuropathy, Outcome 1 Antidepressant vs placebo. Number of patients with moderate pain relief or better.

Comparison 2 Diabetic neuropathy, Outcome 2 Changes in pain intensity: Desipramine vs placebo.
Figuras y tablas -
Analysis 2.2

Comparison 2 Diabetic neuropathy, Outcome 2 Changes in pain intensity: Desipramine vs placebo.

Comparison 2 Diabetic neuropathy, Outcome 3 Changes in pain intensity: Amitriptyline vs placebo.
Figuras y tablas -
Analysis 2.3

Comparison 2 Diabetic neuropathy, Outcome 3 Changes in pain intensity: Amitriptyline vs placebo.

Comparison 2 Diabetic neuropathy, Outcome 4 Changes in pain intensity: Fluoxetine vs placebo.
Figuras y tablas -
Analysis 2.4

Comparison 2 Diabetic neuropathy, Outcome 4 Changes in pain intensity: Fluoxetine vs placebo.

Comparison 3 Postherpetic neuralgia‐ number of patients with moderate pain relief or better, Outcome 1 Antidepressant vs placebo.
Figuras y tablas -
Analysis 3.1

Comparison 3 Postherpetic neuralgia‐ number of patients with moderate pain relief or better, Outcome 1 Antidepressant vs placebo.

Comparison 4 Central pain‐ number of patients with moderate pain relief or better, Outcome 1 Antidepressant vs placebo.
Figuras y tablas -
Analysis 4.1

Comparison 4 Central pain‐ number of patients with moderate pain relief or better, Outcome 1 Antidepressant vs placebo.

Comparison 5 Atypical facial pain‐ number of patients with moderate pain relief or better, Outcome 1 Antidepressant vs placebo.
Figuras y tablas -
Analysis 5.1

Comparison 5 Atypical facial pain‐ number of patients with moderate pain relief or better, Outcome 1 Antidepressant vs placebo.

Comparison 7 Topical Doxepin, Outcome 1 Mean change scores ‐ doxepin vs placebo.
Figuras y tablas -
Analysis 7.1

Comparison 7 Topical Doxepin, Outcome 1 Mean change scores ‐ doxepin vs placebo.

Table 1. Continuous data studies

Study ID

Condition

Medicines used

Continuous data

Cardenas 2002

Spinal cord injury

Amitriptyline versus benztropine (active placebo)

No significant difference between acive and placebo

Gomez Perez 1996

Diabetic Neuropathy

Nortriptyline‐Fluphenazine versus carbamazepine

Mean percent change but no standard deviations (SD)

Graff Radford 2000

Post herpetic neuralgia

Amitiptyline and Fluphenazine

VAS change scores‐ see Metaview

Hampf 1989

Mixed pain but only neuropathic pain analysed for this review

Distigmine and Amitriptyline

VAS change scores but no SDs

Harrison 1997

Chronic Idiopathic Facial Pain

Fluoxetine

No evaluable data

Kalso 1995

Post mastectomy pain

Amitriptyline

Pre and post VAS with Median and range scores.

Max 1987

Diabetic Neuropathy

Amitriptyline versus benztropine (active placebo)

No evaluable data

Max 1992a

Diabetic neuropathy

Desipramine, amitriptyline and fluoxetine

Mean change scores with standard error. See metaview

McCleane 2000a

Neuropathic pain

Topical doxepin, topical capsaicin, and combination of both

Change scores with 95% CI

McCleane 2000b

Neuropathic pain

Topical doxepin

Mean plus SD for change in pain scores. See metaview

Panerai 1990

Central pain

Clomipramine, nortriptyline

No evaluable data

Sharav 1987

Chronic facial pain

Amitriptyline

Change VAS data with range

Sindrup 1990a

Diabetic neuropathy

Paroxetine, imipramine

No evaluable data

Sindrup 1990b

Diabetic neuropathy

Clomipramine, desipramine

No evaluable data

Sindrup 1992a

Diabetic neuropathy

Citalopram

No mean scores or SD

Sindrup 1992b

Diabetic neuropathy

Mianserin

No mean scores or SD

Tasmuth 2002

Neuropathic pain following treatment for breast cancer

Venlafaxine

Medians for pain relief with ranges

Ventafridda 1987

Neuropathic cancer pain

Amitriptyline, trazodone

No evaluable data.

Rowbotham 2004

Diabetic Neuropathy

Venlafaxine

Means but no SD

Figuras y tablas -
Table 1. Continuous data studies
Comparison 1. Global improvement ‐ number of patients with moderate pain relief or better

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Amitriptyline versus placebo Show forest plot

10

588

Risk Ratio (M‐H, Random, 95% CI)

2.23 [1.35, 3.69]

2 Desipramine vs placebo Show forest plot

2

78

Risk Ratio (M‐H, Fixed, 95% CI)

5.75 [2.19, 15.08]

3 Imipramine vs placebo Show forest plot

2

58

Risk Ratio (M‐H, Fixed, 95% CI)

19.0 [3.97, 90.84]

4 Other antidepressants vs placebo Show forest plot

3

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

5 Tricyclics versus anticonvulsants Show forest plot

3

Risk Ratio (M‐H, Fixed, 95% CI)

Totals not selected

6 Venlafaxine vs placebo Show forest plot

3

200

Risk Ratio (M‐H, Fixed, 95% CI)

2.16 [1.50, 3.11]

Figuras y tablas -
Comparison 1. Global improvement ‐ number of patients with moderate pain relief or better
Comparison 2. Diabetic neuropathy

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressant vs placebo. Number of patients with moderate pain relief or better Show forest plot

5

177

Risk Ratio (M‐H, Fixed, 95% CI)

12.41 [5.27, 29.21]

2 Changes in pain intensity: Desipramine vs placebo Show forest plot

1

Mean Difference (IV, Fixed, 95% CI)

Totals not selected

3 Changes in pain intensity: Amitriptyline vs placebo Show forest plot

1

Mean Difference (IV, Fixed, 95% CI)

Totals not selected

4 Changes in pain intensity: Fluoxetine vs placebo Show forest plot

1

Mean Difference (IV, Fixed, 95% CI)

Totals not selected

Figuras y tablas -
Comparison 2. Diabetic neuropathy
Comparison 3. Postherpetic neuralgia‐ number of patients with moderate pain relief or better

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressant vs placebo Show forest plot

4

219

Risk Ratio (M‐H, Fixed, 95% CI)

2.33 [1.70, 3.19]

Figuras y tablas -
Comparison 3. Postherpetic neuralgia‐ number of patients with moderate pain relief or better
Comparison 4. Central pain‐ number of patients with moderate pain relief or better

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressant vs placebo Show forest plot

2

48

Risk Ratio (M‐H, Fixed, 95% CI)

3.5 [1.31, 9.33]

Figuras y tablas -
Comparison 4. Central pain‐ number of patients with moderate pain relief or better
Comparison 5. Atypical facial pain‐ number of patients with moderate pain relief or better

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Antidepressant vs placebo Show forest plot

2

133

Risk Ratio (M‐H, Fixed, 95% CI)

1.67 [1.22, 2.29]

Figuras y tablas -
Comparison 5. Atypical facial pain‐ number of patients with moderate pain relief or better
Comparison 7. Topical Doxepin

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Mean change scores ‐ doxepin vs placebo Show forest plot

1

Mean Difference (IV, Fixed, 95% CI)

Totals not selected

Figuras y tablas -
Comparison 7. Topical Doxepin