Efficacy of non-pharmacological interventions for individuals with amyotrophic lateral sclerosis: systematic review and network meta-analysis of randomized control trials.

For people living with amyotrophic lateral sclerosis (ALS), a progressive disease affecting nerve cells that control movement, there's long been uncertainty about whether non-drug approaches like exercise, breathing training, nutrition support, or psychological care can meaningfully slow decline or improve daily life. This review pooled randomized trials comparing five such approaches against each other, looking at outcomes like functional status, quality of life, muscle strength, and lung function. Exercise intervention stood out, showing benefits across functional scores, lung capacity, quality of life, and muscle strength. Respiratory training and combined physical interventions also improved functional scores, while nutritional support was linked to better quality of life.

The authors frame this as support for a multimodal approach centered on exercise, though the underlying evidence comes from a limited pool of trials, and the certainty behind these comparisons across five different intervention types deserves caution.

If you or someone you care about is living with ALS, you may wonder whether therapies beyond medication, things like exercise programs, breathing exercises, nutritional support, or psychological support, actually help. This review looked at randomized trials testing exactly these approaches and compared their effects on daily functioning, quality of life, muscle strength, and breathing capacity. Exercise-based programs showed the most consistent signal, with improvements seen across multiple measures including day-to-day function, breathing capacity, quality of life, and strength.

Breathing-focused training and combined physical therapy approaches also showed improvements in functional scores, and nutritional support was linked to better quality of life scores. These findings point toward benefit from combining several supportive approaches, with exercise appearing most consistently helpful. That said, this comes from a limited number of trials, and network comparisons across many intervention types carry more uncertainty than a single head-to-head trial, so the confidence in exact effect sizes should be tempered.

This is a summary of research, not medical advice. Talk to your own healthcare provider about anything affecting your care.

This network meta-analysis pooled randomized controlled trials across nine databases comparing five non-pharmacological interventions, exercise, nutrition, respiratory, psychological, and integrated physical interventions, against outcomes including the ALSFRS-R, McGill Quality of Life Questionnaire, MRC-sum score, forced vital capacity, and fatigue severity in ALS patients, using random-effects models to derive standardized mean differences. Exercise intervention showed the broadest evidence of benefit: ALSFRS-R (SMD 1.01, 95% CI 0.50-1.51), forced vital capacity (SMD 0.78, 95% CI 0.02-1.55), McGill-QoL (SMD 0.71, 95% CI 0.33-1.08), and MRC-sum (SMD 1.11, 95% CI 0.08-2.14). Respiratory intervention improved ALSFRS-R (SMD 0.83, 95% CI 0.12-1.55), integrated physical intervention improved ALSFRS-R (SMD 0.65, 95% CI 0.06-1.24), and nutritional intervention improved McGill-QoL (SMD 0.63, 95% CI 0.02-1.23).

Several confidence intervals sit close to the null, particularly for MRC and FVC outcomes, indicating imprecision. As a network meta-analysis, indirect comparisons across intervention categories carry inherent uncertainty, and the abstract does not report heterogeneity statistics or risk-of-bias grading, limiting judgments about the underlying trial quality and consistency of pooled estimates.