Rare Diseases Report 2023

Has prompt diagnosis of amyotrophic lateral sclerosis become urgent?


 

Comprehensive care at specialty centers

Whenever possible, ALS is a disease best managed at a center that offers comprehensive management, including multidisciplinary care. On this point, the four experts agreed.

“Tertiary-care centers for ALS serve a critical purpose,”

Dr. Maiser said. For a disease that affects nearly every aspect of life, the skills of a multidisciplinary support staff offer an “opportunity to stay in front of the disease” for as long as possible. Teamwork often leads to “outside-of-the-box thinking” for helping patients and families cope with the range of disabilities that undermine the patient’s quality of life.

Details of ALS management matter. At Mount Sinai and Hennepin Healthcare, and at Johns Hopkins, where demand recently led to the opening of a second ALS clinic, the ALS center is set up to address the full spectrum of needs. Staff members have multiple skills so that they can work together to make patients comfortable and prepare them for what is inevitably progression – even if the rate of that progression varies.

All these centers incorporate a rational, thorough discussion of end-of-life options in a palliative care approach that targets optimized quality of life. One goal is to prepare patients to consider and be prepared to make decisions when it is time for tracheostomy, percutaneous endoscopic gastrostomy, and other life support options that are not always well tolerated. The goal? Avoiding unnecessary anguish during end-stage disease when impaired respiratory function – the primary cause of ALS-related death – no longer sustains unassisted survival.

“I am concerned for the many ALS patients without access to this type of comprehensive care,” Dr. Macgowan said.

Like the other experts here, he emphasized that the demands of ALS care can be “overwhelming” outside a comprehensive care setting – for the patient, their family, and individual providers.

Looking ahead

There are many reasons to be optimistic about improving the survival and care of patients with ALS. Besides therapies in clinical trials, Dr. Scelsa explained, there is the potential role for monitoring neurofilament light changes, a biomarker of neurodegeneration, in patients who are at risk of ALS.

Dr. Maragakis offered an analogy to the gene therapy onasemnogene abeparvovec, which can prevent the associated neurodegeneration of spinal muscular atrophy if initiated before symptoms appear. He said that, in ALS, neurofilament light changes or other biomarkers might offer an opportunity to halt the progression of disease before it starts – if one or more therapies in development prove workable.

In the meantime, neurologists who do not specialize in ALS should be thinking about how they can participate in speedier diagnostic pathways.

“There are a number of therapies that look promising,” Dr. Maiser told Rare Neurological Disease Special Report. He singled out strategies to degrade TDP-43 or prevent it from forming. If these treatments are found effective, it’s expected that they would be of value in sporadic ALS, the most common form. Again, though, “the challenge is getting patients on this therapy at the earliest stages of disease.”

Dr. Maragakis discloses equity ownership/stock options with Braintrust Bio and Akava; he is a patent holder with Johns Hopkins [ALS] and has received grant/research/clinical trial support from Apellis Pharma, Biogen Idec, Cytokinetics, Helixmith, Calico, Sanofi, Department of Defense ALSRP, Maryland Stem Cell Research Fund, Massachusetts General Hospital, Medicinova, and NINDS. He serves as consultant or advisory board member for Amylyx; Cytokinetics, Roche, Healey Center, Nura Bio, Northeast ALS Consortium, Akava, Inflammx, and Secretome. Dr. Scelsa did not report any conflicts of interest. Dr. Macgowan and Dr. Maiser have no relevant conflicts of interest to disclose.

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