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ALS Untangled™

ALSUntangled™ reviews alternative and off label treatments (AOTs), with the goal of helping people with ALS make more informed decisions about them.

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Mechanistic plausibility

Butyrates

March 21, 2022 by Dr. Richard Bedlack

Butyrates have plausible mechanisms for slowing ALS progression and positive pre-clinical studies. One trial suggests that sodium phenylbutyrate (NaPB) in combination with Tauroursodeoxycholic acid (TUDCA) can slow ALS progression and prolong survival, but the specific contribution of NaPB toward this effect is unclear. Butyrates appear reasonably safe for use in humans. Based on the above information, we support a trial of a butyrate in PALS, but we cannot yet recommend one as a treatment.

https://www.tandfonline.com/doi/pdf/10.1080/21678421.2022.2045323

Melatonin

June 2, 2021 by Dr. Richard Bedlack

Melatonin has plausible mechanisms, some positive (and some negative) pre-clinical data, and two case reports in which it was part of a cocktail of treatments associated with recovery of lost motor function. As we have stated previously, there are
multiple possible explanations for cases like these. There was also a very small, flawed retrospective study suggesting that PALS taking it progressed more slowly and lived longer than PALS were not taking it. Melatonin appears safe at high doses, but evidence is lacking for a proven benefit in slowing disease progression in ALS. Furthermore, an optimal dose and route of administration have not been established. Based on this data, a pilot trial of melatonin in PALS would be reasonable, but we cannot yet recommend it as an ALS treatment.

Tamoxifen

February 1, 2021 by Dr. Richard Bedlack

Tamoxifen is reasonably safe, has plausible mechanisms for treating ALS, and has at least one positive preclinical study. One case report and 2 small human trials suggested an association between tamoxifen (at higher doses) and slower ALS progression but this is not enough evidence to recommend this medication as an ALS treatment. Moving forward, we would like to see a larger human ALS clinical trial of tamoxifen at 80mg daily. Interestingly, one study suggests that tamoxifen may decrease a person’s risk for getting ALS. We hope to see this independently replicated.

Proprionyl-L-Carnitine

July 30, 2020 by Dr. Richard Bedlack

There are good theoretical mechanisms for carnitines, some pre-clinical evidence for LC and ALCAR, and a single clinical trial that suggested ALCAR could slow disease progression in PALS. All three carnitines appear to be well-tolerated, generally safe and inexpensive. We believe that there is a need for future clinical trials of carnitines in PALS to further elucidate their efficacy. Until there is further data, we cannot endorse any of these supplements as a definite way to slow ALS progression; however, oral ALCAR at 1000mg three times daily (3000 mg total daily dose) appears to be a theoretically promising supplement available for PALS whom would like to self-experiment.

Acetyl-L-Carnitine

July 30, 2020 by Dr. Richard Bedlack

There are good theoretical mechanisms for carnitines, some pre-clinical evidence for LC and ALCAR, and a single clinical trial that suggested ALCAR could slow disease progression in PALS. All three carnitines appear to be well-tolerated, generally safe, and inexpensive. We believe that there is a need for future clinical trials of carnitines in PALS to further elucidate their efficacy. Until there is further data, we cannot endorse any of these supplements as a definite way to slow ALS progression; however, oral ALCAR at 1000mg three times daily (3000 mg total daily dose) appears to be a theoretically promising supplement available for PALS whom would like to self-experiment.

L-Carnitine

July 30, 2020 by Dr. Richard Bedlack

There are good theoretical mechanisms for carnitines, some pre-clinical evidence for
LC and ALCAR, and a single clinical trial that suggested ALCAR could slow disease progression in PALS. All three carnitines appear to be well-tolerated, generally safe, and inexpensive. We believe that there is a need for future clinical trials of carnitines in PALS to further elucidate their efficacy. Until there is further data, we cannot endorse any of these supplements as a definite way to slow ALS progression; however, oral ALCAR at 1000mg three times daily (3000 mg total daily dose) appears to be a theoretically promising supplement available for PALS whom would like to self-experiment.

Vitamin E

July 29, 2020 by Dr. Richard Bedlack

Vitamin E (a-tocopherol) is perhaps the most studied supplement in the history of ALS and was taken by one of the most famous ALS patients. Vitamin E has mechanistic potential in ALS as an antioxidant but appears in the SOD1 mutant mouse model to only have an effect on delaying disease onset. This bears out in human populations as large prospective cohorts show that long-duration vitamin E supplementation may decrease the risk of ALS, but randomized clinical trials show that even high dose vitamin E does not benefit the disease once ALS has been diagnosed. Although it is inexpensive and safe, we do not recommend vitamin E to slow, stop or reverse ALS
based on the lack of efficacy in clinical trials.

Vinpocetine

July 29, 2020 by Dr. Richard Bedlack

Vinpocetine has several plausible mechanisms by which it could slow ALS progression. There are two PALS online who reported improved motor functions on supplement cocktails containing Vinpocetine, but many other PALS have had no
benefits. Serious side effects from Vinpocetine are rare and it is inexpensive. We support further study of Vinpocetine in ALS, but our group was split on what the next step should be; some were in favor of a study in a pre-clinical ALS model and others were in favor of a small human trial to confirm its benefit on cramps (7) and to explore whether it is safe, tolerable and might slow disease progression.

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