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Study flow diagram
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Figure 1

Study flow diagram

'Risk of bias' graph: review authors' judgements about each risk of bias item presented as percentages across all included studies
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Figure 2

'Risk of bias' graph: review authors' judgements about each risk of bias item presented as percentages across all included studies

'Risk of bias' summary: review authors' judgements about each risk of bias item for each included study
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Figure 3

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

Comparison 1 Acupuncture alone versus other active therapy, Outcome 1 Any pain‐related outcomes: no clinical response ‐ defined by original study.
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Analysis 1.1

Comparison 1 Acupuncture alone versus other active therapy, Outcome 1 Any pain‐related outcomes: no clinical response ‐ defined by original study.

Summary of findings for the main comparison. Acupuncture versus sham acupuncture for neuropathic pain in adults

Acupuncture versus sham acupuncture for neuropathic pain in adults

Patient or population: adults with neuropathic pain
Settings: hospital
Intervention: acupuncture

Comparison: sham acupuncture

Outcomes

Sham acupuncture

Acupuncture

Relative effect
MD (95% CI)

No of participants
(studies)

Quality of the evidence
(GRADE)

Comments

Participant‐reported pain intensity
VAS (0‐10, lower score = less pain)
Follow‐up: 10 weeks

Mean 6.2

Mean 5.8

The mean participant‐reported pain intensity in the intervention group was
0.40 lower
(1.83 lower to 1.03 higher)

45
(1 study)a in which 59 participants began treatment)

⊕⊝⊝⊝
very lowb,c

Acupuncture has no clinical significant beneficial effects on pain intensity compared to sham acupuncture.

Participant‐reported pain relief

substantial (at least 50% pain relief over baseline)

No studies reported this outcome so no evidence to support or refute benefits of intervention.

Participants experiencing any serious adverse event

No studies reported this outcome so no evidence to support or refute benefits of intervention.

Quality of life
SF‐36 bodily pain score (0‐100, lower score = more disability)
Follow‐up: 10 weeks

Mean 27.7

Mean 37.7

The mean bodily pain component of quality of life in the intervention groups was 10 higher
(3.13 lower to 2313 higher)

45
(1 study)

⊕⊝⊝⊝
very lowb,c

Acupuncture has no beneficial effects on bodily pain compared to sham acupuncture.

CI: confidence interval; MD: mean difference; SF‐36: Short Form (36) Health Survey (SF‐36); VAS: visual analogue scale

GRADE Working Group grades of evidence
High quality: we are very confident that the true effect lies close to that of the estimate of the effect;
Moderate quality: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of effect, but there is a possibility that it is substantially different;
Low quality: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect;
Very low quality: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

aGarrow 2014 recruited 59 participants initially; there were 14 withdrawals and only the 45 participants that completed treatment were included in the study's final results.
bDowngraded twice for study limitations (risk of bias) due to high risk of performance and attrition bias; high risk of bias confounded by small size of study.
cDowngraded once for imprecision due to wide 95% CI (the wide CIs were usually induced by small sample size and low incidence of events).

Figuras y tablas -
Summary of findings for the main comparison. Acupuncture versus sham acupuncture for neuropathic pain in adults
Summary of findings 2. Acupuncture versus treatment as usual for neuropathic pain in adults

Acupuncture versus treatment as usual for neuropathic pain in adults

Patient or population: adults with neuropathic pain
Settings: hospital
Intervention: acupuncture

Comparison: treatment as usual

Outcomes

Sham acupuncture

Acupuncture

Relative effect

(Not applicable)

No of participants
(studies)

Quality of the evidence
(GRADE)

Comments

Participant‐reported pain intensity

No studies reported this outcome so no evidence to support or refute benefits of intervention.

Participant‐reported pain relief

No studies reported this outcome so no evidence to support or refute benefits of intervention.

Participants experiencing any serious adverse event

No studies reported this outcome so no evidence to support or refute benefits of intervention.

Quality of life

No studies reported this outcome so no evidence to support or refute benefits of intervention.

GRADE Working Group grades of evidence
High quality: we are very confident that the true effect lies close to that of the estimate of the effect;
Moderate quality: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of effect, but there is a possibility that it is substantially different;
Low quality: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect;
Very low quality: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

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Summary of findings 2. Acupuncture versus treatment as usual for neuropathic pain in adults
Summary of findings 3. Acupuncture versus other active therapy for neuropathic pain in adults

Acupuncture versus other active therapy for neuropathic pain in adults

Patient or population: adults with neuropathic pain
Settings: hospital
Intervention: acupuncture

Comparison: other active therapy

Outcomes

Sham acupuncture

Acupuncture

Relative effect

(Not applicable)

No of Participants
(studies)

Quality of the evidence
(GRADE)

Comments

Participant‐reported pain intensity

No studies reported this outcome so no evidence to support or refute benefits of intervention.

Participant‐reported pain relief

No studies reported this outcome so no evidence to support or refute benefits of intervention.

Participants experiencing any serious adverse event

No studies reported this outcome so no evidence to support or refute benefits of intervention.

Quality of life

No studies reported this outcome so no evidence to support or refute benefits of intervention.

GRADE Working Group grades of evidence
High quality: we are very confident that the true effect lies close to that of the estimate of the effect;
Moderate quality: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of effect, but there is a possibility that it is substantially different;
Low quality: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect;
Very low quality: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

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Summary of findings 3. Acupuncture versus other active therapy for neuropathic pain in adults
Summary of findings 4. Acupuncture combined with other active therapy versus other active therapy for neuropathic pain in adults

Acupuncture combined with other active therapy versus other active therapy for neuropathic pain in adults

Patient or population: adults with neuropathic pain
Settings: hospital
Intervention: acupuncture combined with other active therapy

Comparison: other active therapy alone

Outcomes

Other active therapy

Acupuncture combined with other active therapy

Relative effect
(MD (95% CI))

No of participants
(studies)

Quality of the evidence
(GRADE)

Comments

Participant‐reported pain intensity
VAS (0‐10, lower score = less pain)
Follow‐up: 84 days

Mean 4.25

Mean 3.23

The mean participant‐reported pain intensity in the intervention groups was
1.02lower
(1.09 lower to 0.95 lower)

104
(1 study)

⊕⊝⊝⊝
very lowa.b

Acupuncture combined other active therapy has no clinical significant beneficial effects on pain intensity compared to other active therapy alone.

Participant‐reported pain relief

substantial (at least 50% pain relief over baseline)

No studies reported this outcome so no evidence to support or refute benefits of intervention.

Participants experiencing any serious adverse event

No studies reported this outcome so no evidence to support or refute benefits of intervention.

Quality of life
FACT/the GOG‐Ntx questionnaire scores (0 ‐ 100, lower score = better)
Follow‐up: 84 days

Mean 35.17

Mean 32.98

The mean bodily pain component of quality of life in the intervention groups was 2.19lower
(2.39 lower to 1.99 lower)

104
(1 study)

⊕⊕⊝⊝
lowa

Acupuncture combined other active therapy improved the quality of life compared to other active therapy alone.

CI: confidence interval; FACT/the GOG‐Ntx: Functional Assessment of Cancer Therapy/Gynaecologic Oncology Group/Neurotoxicity; MD: mean difference; VAS: Visual Analogue Scale

GRADE Working Group grades of evidence
High quality: we are very confident that the true effect lies close to that of the estimate of the effect;
Moderate quality: we are moderately confident in the effect estimate; the true effect is likely to be close to the estimate of effect, but there is a possibility that it is substantially different;
Low quality: our confidence in the effect estimate is limited; the true effect may be substantially different from the estimate of the effect;
Very low quality: we have very little confidence in the effect estimate; the true effect is likely to be substantially different from the estimate of effect.

aDowngraded twice for study limitations (risk of bias) due to high risk of performance and detection bias.
bDowngraded once for imprecision due to wide 95% CI (the wide CIs were usually induced by small sample size and low incidence of events).

Figuras y tablas -
Summary of findings 4. Acupuncture combined with other active therapy versus other active therapy for neuropathic pain in adults
Table 1. Acupuncture points used in included studies

Acupuncture points used

Study ID

Taixi (KI3); Hegu (LI4); Taichong (LR3); Sanyinjiao (SP6); Zusanli (ST36)

Garrow 2014

Shenmai (B62); Zulinqi (GB41); Zhaohai (K6); Lieque (L7); Neiguan (P6); Houxi (SI3); Waiguan (SJ5); Gongsun (SP4)

Han 2017a;
Zhao 2016

Feishu (BL13); Geshu (BL17); Feiyang (BL58); Zulinqi (GB41); Zhiyang (GV9); Shendao (GV11); Shenzhu (GV12); Dazhui (GV14); Taichong (LR3); Sanyinjiao (SP6); Xuehai (SP10); Tianshu (ST25); Zusanli (ST36); Xiangu (ST43)

Han 2017

The main points: Huantiao (GB30); Yanglingquan (GB34); Sanyinjiao (SP6); Zusanli (ST36);

The auxiliary points (selected 2‐3from following): Shenshu (BL23); Kunlun (BL60); Guanyuan (CV4); Qihai (CV6); Huantiao (GB30); Taixi (K3); Taichong (LIV3); Pishu (PL20)

Wang 2016

The main points: Ganshu (BL18); Pishu (BL20); Shenshu (BL23); Yishu; Feishu (BL58); Zusanli (ST36); Sanyinjiao (SP6), Taibai (SP3); Zutonggu; Qihai (CV6); Guanyuan (CV4); Fenglong(ST40) and Yanglingquan (GB34);

The auxiliary points: Jianyu (LI15); Quchi (LI11); Shousanli (LI10); Hegu (LI4); Biguan (ST31); Futu (ST32); Liangqiu (ST34); Xiangu (ST43) and Neiting (ST 44);

Added for blood stasis points: Geshu (BL17) and Xuehai (SP10);

Added for severe numbness of the hands and feet points: Bafeng(EX‐LE10) and Baxie (EX‐UE9).

Zhang 2010

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Table 1. Acupuncture points used in included studies
Table 2. Scales in this review

Outcomes

Scales

Description of scales

Relevant Studies

Participant‐reported pain intensity

Visual Analogue Scale (VAS)

The VAS is a visual analogue scale for pain intensity, in which 0 means no pain and 10 (or 100) means the worst pain ever experienced.

Garrow 2014; Han 2017

Quality of life

Short Form (36) Health Survey (SF‐36)

The SF‐36 is a 36‐item, patient‐reported survey of patient health and consists of 8 scaled scores, which are the weighted sums of the questions in their section. Each scale is directly transformed into a 0‐100 scale on the assumption that each question carries equal weight. The lower the score, the more disability. The 8 sections are: vitality, physical functioning, bodily pain, general health perceptions, physical role functioning, emotional role functioning, social role functioning and mental health. Summary scores for the SF‐12, version 2 (SF‐12v2) health status measure are based on scoring coefficients derived for version 1 of the SF‐36. The higher score is better.

Garrow 2014;

Functional Assessment
of Cancer Therapy/Gynaecologic Oncology Group/Neurotoxicity (FACT/GOG‐Ntx) questionnaire

The FACT/GOG‐Ntx questionnaire is used to investigate patients' daily activities and evaluate the degree of neuropathy. The questionnaire includes 7 questions about physical well‐being, 7 questions about social/family well‐being, 6 questions about emotional well‐being, 7 questions about functional well‐being and 9 questions about additional concerns. Where in each question, 0 = not at all and 4 = very much, lower is better.

Han 2017

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Table 2. Scales in this review
Table 3. Single study data (continuous data)

Acupuncture versus sham acupuncture

Outcome

Specific measurement

Study

Manual acupuncture group

Sham acupuncture group

Effect measure

Statistical test

Mean

SD

Total

Mean

SD

Total

MD (95%CI)

P value

Pain intensity

VASa

Garrow 2014

5.8

2.6

24

6.2

2.3

21

‐0.40 (‐1.83 to 1.03)

0.58

Quality of life

SF‐36b: physical health score

Garrow 2014

31.9

9.2

24

32.1

9.8

21

‐0.20 (‐5.78 to 5.38)

0.94

SF‐36: mental health score

39.2

14

24

35.7

12.6

21

3.50 (‐4.17 to 11.27)

0.38

SF‐36: bodily pain score

37.7

27.4

24

27.7

16.9

21

10.00 (‐3.13 to 23.13)

0.14

Acupuncture + other active therapies versus other active therapies

Outcome

Specific measurement

Study

Acupuncture + other active therapies group

Other active therapies group

Effect measure

Statistical test

Mean

SD

Total

Mean

SD

Total

MD (95%CI)

P value

Pain intensity

VAS

Han 2017

3.23

0.17

52

4.25

0.197

52

‐1.02 (‐1.09 to ‐0.95)

< 0.00001

Quality of life

FACT/the GOG‐Ntxc

Han 2017

32.98

0.542

52

35.17

0.518

52

‐2.19 (‐2.39 to ‐1.99)

< 0.00001

MD: mean difference; SD: standard deviation
aVAS: Visual Analogue Scale (0‐10, lower is better)
bSF‐36: Short Form (36) Health Survey (0‐100, higher is better)
cFACT/the GOG‐Ntx: Functional Assessment of Cancer Therapy/Gynaecologic Oncology Group/ Neurotoxicity questionnaire (lower is better)

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Table 3. Single study data (continuous data)
Table 4. Single study data (dichotomous data)

Acupuncture versus sham acupuncture

Outcome

Study

Manual acupuncture group

Sham acupuncture group

Effect measure

Statistical test

Events

Total

Events

Total

RR (95%CI)

NNTB

P value

Withdraw from trial due to any cause

Garrow 2014

4

28

10

31

0.44 (0.16 to 1.25)

NNTB = 6

0.53

Adverse events: any cases

Garrow 2014

1

28

2

31

0.55 (0.05 to 5.78)

NNTB = 34

0.62

Acupuncture + other active therapies versus other active therapies

Outcome

Study

Acupuncture + other active therapies group

Other active therapies group

Effect measure

Statistical test

Events

Total

Events

Total

RR (95%CI)

NNT

P value

Any pain‐related outcomes: no clinical response

Wang 2016

4

30

10

30

0.40 (0.14 to 1.14)

NNTB = 5

0.09

Withdraw from trial due to any cause

Han 2017

3

52

3

52

1.00 (0.21 to 4.73)

NA

1.00

NA: not applicable; NNTB: number needed to treat for an additional beneficial outcome; RR: risk ratio

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Table 4. Single study data (dichotomous data)
Comparison 1. Acupuncture alone versus other active therapy

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Any pain‐related outcomes: no clinical response ‐ defined by original study Show forest plot

3

209

Risk Ratio (M‐H, Random, 95% CI)

0.25 [0.12, 0.51]

Figuras y tablas -
Comparison 1. Acupuncture alone versus other active therapy