ALS Reversals

Some times people with ALS get better

Mechanistic plausibility

Resveratrol

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Resveratrol is a dietary supplement that likely activates SIRT1 cellular pathways and may alter the gut microbiome. These are interesting mechanisms that may potentially alter the progression of ALS and do confer benefit in animal models of one type of familial ALS; however, to-date, there have been no trials of resveratrol in PALS. Some trials in other populations show frequent gastrointestinal adverse events, including weight loss, and one trial showed a high risk of serious renal toxicity. Given the unknown benefit of resveratrol in PALS and the possible risks, we cannot recommend resveratrol as an ALS treatment at this time. We hope to see well-designed clinical trials of resveratrol and other SIRT1 modulators in the near future.

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Perampanel

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Perampanel is a drug currently used to treat seizures which has a mechanism of action that theoretically could be useful in treating patients with ALS. A single flawed study in a mouse model of ALS showed some benefits of perampanel, but data from humans with ALS is quite limited. Due to the lack of data in PALS, the failure of the closely related drug talampanel in ALS clinical trials, and several serious safety concerns, including an increased fall risk and serious psychiatric adverse effects, we cannot recommend off-label use of perampanel for ALS at this time. We look forward to the results of the on-going clinical trials of perampanel in ALS and we will update our TOE grades accordingly when these results become available.

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RT001

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RT001 has a novel mechanism for reducing oxidative stress that could theoretically work better than more traditional antioxidants. In the small trial of patients with Friedreich’s ataxia, it seems to be safe and well-tolerated at lower dosages but can cause nausea and diarrhea at higher doses. At the time of this writing, there is very little efficacy or safety data in PALS. An expanded access program is underway which allows PALS at certain clinics to try this compound free of charge. Data resulting from this expanded access program will help the planning of a possible future clinical trial.‌‌‌

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L-Serine

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L-serine is a reasonably inexpensive, widely available nutritional supplement that has a plausible mech-anism by which it could help a subset of patients who might have ALS from BMAA-toxicity. A small Phase I trial showed that L-serine up to 15 g twice daily is relatively well tolerated. A larger follow up trial is planned and will shed further light on its safety and utility as an ALS therapeutic. Unfortunately, since it is challenging to reliably measure BMAA in PALS, it will be difficult to identify the subset most likely to respond. Until a reliable assay for measuring BMAA exposure in living people arises, or a follow up trial confirms safety and demonstrates benefit independent of this, we cannot recommend L-serine as a treatment for ALS.

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Hyperbaric Oxygen

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Although there are plausible mechanisms by which HBOT could work in ALS and a flawed pre-clinical study showing benefit in a mouse model, the best available human trial of HBOT showed no benefit. Given this negative human trial and the fact that HBOT has potentially serious complications, we do not recommend HBOT for patients with ALS at this time.

Kim Cherry’s ALS reversal, which occurred on HBOT and several other alternative treatments, appears very interesting. We do not think this is due to HBOT alone. There are other rare examples of ALS reversals on different (or sometimes no) treatments (28). Other explanations for these reversals include undetected ALS mimics syndromes or endogenous mechanisms that confer resistance to the disease (28). We look forward to further study of cases like this (29).‌‌

Declaration of interest: ALSUntangled is sponsored by the ALS Association and the Motor Neurone Disease Association.‌

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Precision Stem Cell

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At ALSUntangled our goal is to provide guidance on the mechanism, pre-clinical data, anecdotal evidence, trials and risks of various alternative treatment options. Our goal is not to challenge the rights of PALS to pursue these options. Along these lines, MSC transplants in general have a promising mechanism, good pre-clinical data in ALS models and appear reasonably safe when performed with approved standardized protocols, proper oversight, and monitoring. However, the specific protocols used at PSC for PALS are poorly detailed, appear variable in terms of the sources of MSCs being used, the ways these are being modified and the places where these are being inserted, have no provision for confirming the material being inserted, and have only subjective and usually brief improvements associated with them. ALSUntangled strongly supports further study of MSC in PALS, but only with transparent, reproducible protocols that include confirmation of transplanted material and objective outcome measures. At this time, it does not appear to us that PSC is meeting these criteria.

Mito Q

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MitoQ has a promising mechanism, positive preclinical data from two different ALS models, and appears reasonably safe and inexpensive, especially at doses of 10 mg daily. Available anecdotal data are insufficient to determine how helpful this might be in PALS. A small open-label pilot trial with validated ALS diagnoses and outcomes appears warranted.

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Acupuncture

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Acupuncture is reasonably safe, and has potential mechanisms of action, pre-clinical studies and case reports suggesting that it could be a useful treatment for ALS. However, before it can be endorsed even as a candidate for a phase II trial, the studies described above need to be independently replicated using more clearly verified diagnoses and more rigorous designs, including appropriate controls and validated ALS outcome measures.