Rising Voltage-Gated Potassium Channel Antibody Level as a Possible Disease Progression Marker for Amyotrophic Lateral Sclerosis: A Case Report
2025

Rising VGKC Antibody Levels as a Possible Marker for ALS Progression

Sample size: 1 publication Evidence: low

Author Information

Author(s): Muacevic Alexander, Adler John R, Salter Sophia, Salter Ethan, Kim Aengela Jihyoun, Liu Antonio K

Primary Institution: Adventist Health White Memorial, Los Angeles, USA

Hypothesis

Can increasing levels of VGKC-complex antibodies serve as biomarkers for disease progression in ALS patients?

Conclusion

The study suggests that rising VGKC-complex antibody levels may correlate with disease progression in ALS patients who test positive for these antibodies.

Supporting Evidence

  • The patient's VGKC-complex antibody levels increased from 242 pmol/L to 279 pmol/L over six months.
  • The ALS Functional Rating Scale score declined from 30 to 26 during the same period.
  • VGKC antibody levels may indicate disease progression in certain ALS subtypes.

Takeaway

This study looked at one patient with ALS and found that as their VGKC antibody levels went up, their symptoms got worse, which might help doctors track how the disease is changing.

Methodology

The case report involved monitoring VGKC-complex antibody levels and ALS Functional Rating Scale scores over time in a single ALS patient.

Limitations

The study is based on a single case, limiting the generalizability of the findings.

Participant Demographics

A 53-year-old male patient with a diagnosis of ALS.

Digital Object Identifier (DOI)

10.7759/cureus.76760

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