Pharmacologic Interventions for Painful Diabetic Neuropathy
Bibliographic record
Abstract
BACKGROUND: Multiple treatments for painful diabetic peripheral neuropathy are available. PURPOSE: To evaluate the comparative effectiveness of oral and topical analgesics for diabetic neuropathy. DATA SOURCES: Multiple electronic databases between January 2007 and April 2014, without language restriction. STUDY SELECTION: Parallel or crossover randomized, controlled trials that evaluated pharmacologic treatments for adults with painful diabetic peripheral neuropathy. DATA EXTRACTION: Duplicate extraction of study data and assessment of risk of bias. DATA SYNTHESIS: 65 randomized, controlled trials involving 12 632 patients evaluated 27 pharmacologic interventions. Approximately one half of these studies had high or unclear risk of bias. Nine head-to-head trials showed greater pain reduction associated with serotonin-norepinephrine reuptake inhibitors (SNRIs) than anticonvulsants (standardized mean difference [SMD], -0.34 [95% credible interval {CrI}, -0.63 to -0.05]) and with tricyclic antidepressants (TCAs) than topical capsaicin 0.075%. Network meta-analysis showed that SNRIs (SMD, -1.36 [CrI, -1.77 to -0.95]), topical capsaicin (SMD, -0.91 [CrI, -1.18 to -0.08]), TCAs (SMD, -0.78 [CrI, -1.24 to -0.33]), and anticonvulsants (SMD, -0.67 [CrI, -0.97 to -0.37]) were better than placebo for short-term pain control. Specifically, carbamazepine (SMD, -1.57 [CrI, -2.83 to -0.31]), venlafaxine (SMD, -1.53 [CrI, -2.41 to -0.65]), duloxetine (SMD, -1.33 [CrI, -1.82 to -0.86]), and amitriptyline (SMD, -0.72 [CrI, -1.35 to -0.08]) were more effective than placebo. Adverse effects included somnolence and dizziness with TCAs, SNRIs, and anticonvulsants; xerostomia with TCAs; and peripheral edema and burning sensation with pregabalin and capsaicin. LIMITATION: Confidence in findings was limited because most evidence came from indirect comparisons of trials with short (≤3 months) follow-up and unclear or high risk of bias. CONCLUSION: Several medications may be effective for short-term management of painful diabetic neuropathy, although their comparative effectiveness is unclear. PRIMARY FUNDING SOURCE: Mayo Foundation for Medical Education and Research.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".