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Poll

How often do you use a care coordinator for patients with complex needs?

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Always
   
Often
   
Sometimes
   
Never
   
I don’t have access to a care coordinator
   

Tutorial

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Poll

In your opinion, what is the most important unmet need in the treatment of AM?

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Potential for corrective gene therapies
   
Expanded ERT options to better tailor treatment
   
More effective therapies that reduce the burden of hospital-based management
   
Improved efficacy at targeting non-CNS manifestations
   

Tutorial

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Poll

Which do you consider most important to support treatment needs along the lifespan?

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Earlier accurate diagnosis
   
Coordinated MDT monitoring and follow-up
   
Earlier access to approved therapies
   
Comprehensive treatment guidelines
   
 
Videos Take CE/CME Test
Rare Disease Day, Cardiovascular Risk, General Endocrinology CE/CME accredited

touchPANEL DISCUSSION
A visually engaging discussion designed to emulate a ‘live’ panel experience and provide clinicians with practical expert insights to address their clinical challenges. Useful tips below will show how to navigate the activity. Close

Integrating treatment advances for alpha-mannosidosis into effective MDT care

  • A practice aid is available for this activity in the Toolkit
  • Downloads including slides are available for this activity in the Toolkit
Learning Objectives

After watching this activity, participants should be better able to:

  • Identify unmet needs along the alpha-mannosidosis treatment journey, including implications for milestone attainment
  • Appraise the latest clinical evidence and potential role for replacement and corrective therapies in the treatment of alpha-mannosidosis
  • Formulate strategies to integrate the latest treatment advances into individualized MDT management plans in alpha-mannosidosis
Overview

World experts come together to discuss how to optimize the multidisciplinary management of alpha-mannosidosis along the disease continuum. read more

Target Audience

Paediatricians, neurologists, geneticists and neurology nurse specialists involved in the management of AM.

USF Accreditation

Disclosures

USF Health adheres to the Standards for Integrity and Independence in Accredited Continuing Education. All individuals in a position to influence content have disclosed to USF Health any financial relationship with an ineligible organization. USF Health has reviewed and mitigated all relevant financial relationships related to the content of the activity. The relevant relationships are listed below. All individuals not listed have no relevant financial relationships.

Faculty

Dr Barbara K Burton discloses: Advisory board/panel fees from Amgen, JCR Pharma, Moderna and Orchard. Consultancy fees from Alltrna, Chiesi, Passage Bio, Takeda and Ultragenyx. Speaker’s bureau fees from Amgen, Biomarin and Takeda.

Dr Can (John) Ficicioglu discloses: Advisory board/panel fees from Chiesi (relationship terminated). Grant/research support fees from Denali Therapeutics, JCR Pharmaceuticals, Moderna, Passage Bio, Regenexbio and Trevena.

Dr Christina Lampe discloses: Advisory board/panel and consultancy fees from Alexion, Amicus, BioMarin, Chiesi, Sanofi and Takeda.

Content reviewer

Danielle Walker, DNP, APRN, AGNP-C, nurse reviewer and planner, has no financial interests/relationships or affiliations in relation to this activity.

touchIME Medical Contributors

Judah Issa has no financial interests/relationships or affiliations in relation to this activity.

USF Health Office of Continuing Professional Development and touchIME staff have no financial interests/relationships or affiliations in relation to this activity.

Requirements for Successful Completion

In order to receive credit for this activity, participants must review the content and complete the post-test and evaluation form. Statements of credit are awarded upon successful completion of the post-test and evaluation form.

If you have questions regarding credit please contact cpdsupport@usf.edu 

Accreditations

Physicians

This activity has been planned and implemented in accordance with the accreditation requirements and policies of the Accreditation Council for Continuing Medical Education (ACCME) through a joint providership of USF Health and touchIME. USF Health is accredited by the ACCME to provide continuing medical education for physicians.

USF Health designates this enduring material for a maximum of 0.75 AMA PRA Category 1 CreditsTM.  Physicians should claim only the credit commensurate with the extent of their participation in the activity.

Advanced Practice Providers

Physician Assistants may claim a maximum of 0.75 Category 1 credits for completing this activity. NCCPA accepts AMA PRA Category 1 CreditTM from organizations accredited by ACCME or a recognized state medical society.

The AANPCP accepts certificates of participation for educational activities approved for AMA PRA Category 1 CreditTM by ACCME-accredited providers. APRNs who participate will receive a certificate of completion commensurate with the extent of their participation.

Nurses

USF Health is accredited as a provider of nursing continuing professional development by the American Nurses Credentialing Center’s Commission on Accreditation.

A maximum of 0.75 contact hour may be earned by learners who successfully complete this  continuing professional development activity. USF Health, the accredited provider, acknowledges touchIME as the joint provider in the planning and execution of this CNE activity.

Date of original release: 17 April 2025. Date credits expire: 17 April 2026.

If you have any questions regarding credit, please contact cpdsupport@usf.edu

This activity is CE/CME accredited

To obtain the CE/CME credit(s) from this activity, please complete this post-activity test.

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Topics covered in this activity

Rare Disease Day / Cardiovascular Risk / General Endocrinology
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touchPANEL DISCUSSION
Integrating treatment advances for alpha-mannosidosis into effective MDT care
0.75 CE/CME credit

Question 1/6
Which of the following signs and symptoms of alpha-mannosidosis is considered a dominant symptom in younger patients and has an important impact on quality of life?

As outlined by Guffon et al, the three most dominant symptoms in patients ≤10 years of age are speech delay, hearing loss and developmental delay.

Reference
Guffon N, et al. Mol Genet Metab. 2019;126:470–4.

Question 2/6
You are developing a treatment plan for your 23-year-old patient with alpha-mannosidosis. Based on identified needs along the patient’s journey with the disease, which of the following treatment goals should you prioritize to optimize this patient's outcomes?

In alpha-mannosidosis, motor function is often impaired due to abnormal balance, hypotonia, ataxia and pain.1 Pain is a prominent component of living with alpha-mannosidosis; however, given the multisystem spectrum of manifestations, it can be challenging to identify the source of pain.1 Therefore, it is recommended that surveillance of patients with alpha-mannosidosis includes assessment for muscle pain, joint aches and bone pain.2

References

  1. Borgwadt L et, al. J Inborn Errors Metab Screen. 2018;6:1–12.
  2. Ficicioglu C, Stepien KM. In: Adam MP, Feldman J, et al, editors. GeneReviews® [Internet]. Seattle (WA): University of Washington, Seattle; 1993–2025.
Question 3/6
Which of the following statements best reflects findings from long-term data on ERT with velmanase alfa in patients with alpha-mannosidosis treated in the rhLAMAN-07/-09 trials, with up to 12 years’ follow-up?

ERT, enzyme replacement therapy.

Pooled data from two multicentre, open-label phase IIIb extension trials, rhLAMAN-07 (N=13; NCT01908712) and rhLAMAN-09 (N=8; NCT01908725), evaluated the long-term effects of velmanase alfa. Sixteen patients who had previously completed phase I–III rhLAMAN-02/-03/-04/-05/-08 trials and five ERT-naïve patients were included and divided by age at treatment baseline into paediatric (n=14) and adult (n=7) subgroups.

Distance walked according to 6MWT increased or stabilized in paediatric patients, while in adults, either stabilization or slight decline was observed. Similarly, paediatric patients performed better in the 3MSCT. Changes in FVC, % predicted, were comparable in both subgroups with up to 6 years’ of observation, diverging thereafter. Overall, descriptive statistical analyses showed sustained sOLIGO clearance (reduction in sOLIGO levels) and increase in serum IgG levels from treatment initiation until last common observation. Hearing ability (according to bone as well as air conduction) remained mostly stable but with variable degrees of fluctuation among patients.

Abbreviations

3MSCT, 3-minute stair climb test; 6MWT, 6-minute walk test; ERT, enzyme replacement therapy; FVC, forced vital capacity; Ig, immunoglobulin; sOLIGO, serum oligosaccharides.

Reference
Guffon N, et al. J Inherit Metab Dis. 2025;48:e12799.

Question 4/6
Your patient is a 19-year-old with alpha-mannosidosis currently receiving treatment with an approved ERT. At their last infusion, they experienced an infusion-related reaction requiring symptomatic treatment. You note that the patient is now becoming anxious when they are due for the next infusion. What would you consider to support the patient with their treatment experience?

ERT, enzyme replacement therapy; HSCT, haematopoietic stem cell transplant; Ig, immunoglobulin

Infusion-related reactions have been reported on administration of approved ERT (velmanase alfa) in patients with alpha-mannosidosis. Pretreatment (prior to ERT administration) with antihistamines, antipyretics and/or corticosteroids may be considered in order to reduce risk of infusion-related reactions.1,2

Abbreviations
ERT, enzyme replacement therapy.

References

  1. FDA. Velmanase alfa PI. Available at: https://rb.gy/tznrwf (accessed 11 March 2025).
  2. EMA. Velmanase alfa SmPC. Available at: https://rb.gy/2bs8jd (accessed 11 March 2025).
Question 5/6
When considering treatment options for alpha-mannosidosis, how do HSCT and ERT differ in their therapeutic effects?

CNS, central nervous system; ERT, enzyme replacement therapy; HSCT, haematopoietic stem cell transplant.

HSCT has been explored as a potential therapeutic option for alpha-mannosidosis; however, data are limited and there have been no head-to-head comparisons with ERT. Available data show HSCT can attenuate CNS disease, suggesting that healthy donor cells are playing a role in alleviating neuropathology.1 Approved ERT (velmanase alfa) is indicated for the treatment of non-CNS/2non-neurological3 manifestations, leaving HSCT as the only modality with potential neurocognition preservation.1

Abbreviations
CNS, central nervous system; ERT, enzyme replacement therapy; HSCT, haematopoietic stem cell transplant.

References

  1. Naumchik BM, et al. Cells. 2020;9:1411.
  2. FDA. Velmanase alfa PI. Available at: https://rb.gy/tznrwf (accessed 26 March 2025).
  3. EMA. Velmanase alfa SmPC. Available at: https://rb.gy/2bs8jd (accessed 26 March 2025).
Question 6/6
Your patient is a 36-year-old man who lives in a rural location, far from the specialist centre. He is currently receiving his ERT infusions at a local clinic, but has to travel for his physiotherapy appointments, his psychiatric care, and his regular assessments. During his latest appointment, his caregiver expresses frustration at having to travel long distances to different hospitals in order to complete all of the required assessments and treatments. What might you consider next in the management of this patient?

ERT, enzyme replacement therapy.

A recent Delphi consensus document highlighted the importance of coordinated care and an MDT approach to treatment to improve patient-centred care in alpha-mannosidosis. The Delphi panellists recognized existing barriers to such approaches (e.g. financial burden and healthcare resource utilization costs associated with use of a designated ‘case worker’, alongside region- or practice-specific limitations), but nonetheless reached high agreement (90%) on the use of a designated case worker to support care navigation when access to a coordinated MDT clinic is not available.1 This need was echoed in a recent real-world patient–physician panel conducted in Italy, exploring unmet needs in lysosomal storage disorders.2

Abbreviation
MDT, multidisciplinary team.

References

  1. Guffon N, et al. Mol Genet Med. 2024;142:108519.
  2. Castaman G, et al. Clin Med. 2024;13:6981.
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