ALS Untangled®

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

Mechanistic plausibility

Rituximab

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ALSUntangled reviews alternative and off-label treatments on behalf of people with ALS who ask about them. Here we review rituximab, a drug which specifically depletes B lymphocytes. We show a current lack of evidence for a role of these cells in ALS progression. The one patient we found who described using Rituximab for their ALS found no benefit. Given all this, and the known serious risks of rituximab, we advise against its use as an ALS treatment.

You can read it here

https://www.tandfonline.com/doi/full/10.1080/21678421.2022.2122845?src=

Glucocorticoid Corticosteroids

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In conclusion, corticosteroids are a class of medications with wide-ranging clinical uses and wellstudied effects on the immune system. ALS progression is associated with changes in immune system function, with the early disease states associated with anti-inflammatory immune markers and the advanced disease states associated with
pro-inflammatory immune markers. Although treatment with corticosteroids may cause a transient change in some immune markers, both preclinical and clinical trials have failed to show any clinical benefit in ALS. Multiple individual PALS
have self-reported improvement in weakness with corticosteroid treatment, but these cases have unclear generalizability and are limited by an uncertain ALS diagnosis, limited clinical data during the disease course, and heterogeneity of glucocorticoid type and dose. Although affordable and widely available, corticosteroids can have numerous side effects, and their risks are greater for higher doses or prolonged treatment. Therefore, we cannot recommend corticosteroids at this time as a way to slow ALS progression. Further research into immune system modulation in ALS is ongoing at many research centers internationally.

Anti-Mycobacterial Antibiotics

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There is a theorized association between MAP and ALS, and two published case reports described improvements in ALS-like conditions (both with atypical features) after treatment with antimycobacterial antibiotics. Based on these, we believe it would be reasonable to perform chest imaging in PALS who have features of their history or exam that are atypical for ALS such as pain, fevers, or eye movement abnormalities. If the chest imaging is abnormal, more specific testing for mycobacteria may be indicated. Until there is more clear evidence of an association between MAP and ALS, we cannot endorse the widespread use of potentially toxic antimycobacterial antibiotics for PALS.

Light Therapy

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Light therapy has not yet been convincingly shown to help people with ALS. However, at specific wavelengths and energy densities, LT appears safe and has theoretically plausible mechanisms. There is a single case report suggesting benefits for light therapy in ALS, but it contains in sufficient detail to independently confirm diagnosis or treatment benefit. Further studies are needed to determine whether LT is useful for people with ALS, and via what specific protocols.

Anti-fungals

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It is unknown if fungi exist in the brain of PALS. If they do exist, it is unknown if they have any pathogenic effect, and unknown if antifungal drugs would modify ALS disease progression. There are no pre-clinical ALS model studies, verified ALS cases, or ALS clinical trials to suggest that antifungals would be of any significant benefit to PALS, and these medications can cause harm. At this time, we strongly discourage PALS from taking antifungal drugs for their ALS disease. We hope in the future that independent laboratories will look for fungi in the CNS of PALS using more appropriate experimental methods.

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Penicillin G/Hydrocortisone

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In our opinion, there is no convincing evidence that GABA overload plays a role in ALS progression. PNG/HC has other theoretical mechanisms by which it could slow ALS progression, but previous human trials involving steroids and a trial of a b lactam with more potent effects on glutamate did not help. We have not been able to confirm the diagnoses, nor the improvements described in the case series of 3 PALS taking PNG/HC; however, even if these treatment effects were real, these improvements were transient and quickly became unresponsive to treatment. Unless the ongoing placebo-controlled trial shows objective and sustained clinical improvements, we do not recommend that PALS take this expensive and risky combination of penicillin G and hydrocortisone.

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Antiretrovirals

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Antiretrovirals are a group of diverse drugs developed for HIV infections that vary widely in theoretical efficacy against HERVs, side effect profiles, and cost. HERV expression is apparently increased in some PALS; however, it is unknown if this is a
beneficial, neutral, or pathological process. Furthermore, it is not clear if ARV-targeted mechanisms such as cell infection and viral replication are taking place in PALS. Based on the lack of evidence for use of ARVs in PALS who test negative for HIV and HTLV, we cannot recommend them as a treatment for ALS. We look forward to the results of the two ongoing trials of ARVs in PALS.

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Copper

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Copper dysregulation may play a role in ALS progression, particularly for the form caused by SOD1 mutations. Given the complexity of this problem, simple copper supplements are unlikely to be useful to PALS with normal serum copper levels. We do not recommend using these. CuATSM, on the other hand, has more promising potential mechanisms of action, and several positive pre-clinical studies in mutant SOD1 ALS models. There are even a small number of PALS reporting benefits from it, though in our opinion the described benefits are thus far of uncertain clinical significance. At this time, the safety of repeated doses of CuATSM is unknown, as is the optimum daily dose, and it appears to be very expensive. Until trials clarify dosing and safety, as well as effectiveness in patients with and without SOD1 mutations, we do not recommend using CuATSM for ALS.‌‌‌‌

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