WAINUA is indicated for the treatment of the polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults.

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ADDITIONAL ENDPOINTS

Key secondary and prespecified exploratory endpoints in the NEURO-TTRansform trial

The power to prevent nutritional decline1

WAINUA demonstrated significant improvement in mBMI, a measure of nutritional status, from baseline vs external placebo at Week 651

Key secondary endpoint: LSM change in mBMI from baseline1

LSM Change from Baseline Norfolk QoL-DN Composite ScoreLSM Change from Baseline Norfolk QoL-DN Composite Score

mBMI (modified body mass index=body mass index [kg/m2] × serum albumin [g/L]) was measured as a secondary endpoint at Week 65 and is a validated assessment of nutritional status. See study design.1

UNDERSTANDING mBMI:

mBMI is a validated measure that accounts for volume overload by including the serum albumin levels, and is defined as body mass index (BMI) × albumin, with higher scores indicating better nutritional status.2,3

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mBMI = BMI (kg/m2) × serum albumin (g/L)

Improvement in COMPASS-31 score, a measurement of autonomic neuropathy symptoms that include GI and orthostatic intolerance2

Prespecified exploratory endpoint: mean (+/- SE) change from baseline with WAINUA in COMPASS-31 total score at Week 81*1,2

WAINUA (eplontersen) Compass-31 dataWAINUA (eplontersen) Compass-31 data

Change from baseline in COMPASS-31 total score (mean +/- SE) at Week 81 was measured as a prespecified exploratory endpoint. This analysis did not include the external placebo group, as COMPASS-31 scores were not collected in the NEURO-TTR trial. See study design.1,2

  1. *COMPASS-31 total score at baseline in patients treated with WAINUA (n=141) was 19.4 (SD, 11.3).2

  2. COMPASS-31 is a 31-item questionnaire that evaluates autonomic function across 6 domains. Final scores range from 0 to 100, with higher scores indicating worse autonomic dysfunction.1

  3. This analysis did not include the external placebo group, as COMPASS-31 scores were not collected in the NEURO-TTR trial.2

Configure Accordion Item: - The COMPASS-31 questionnaire
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Configure Accordion Item: - The COMPASS-31 questionnaire

The COMPASS-31 questionnaire is recommended for broad assessment of the severity and extent of a range of specific autonomic symptoms4

COMPASS-31 is a 31-item, self-administered questionnaire that evaluates autonomic function across 6 domains5:

Gastrointestinal

Covers symptoms like early satiety, bloating, vomiting, and bowel movement irregularities

Orthostatic intolerance

Evaluates symptoms like dizziness or lightheadedness upon standing

Vasomotor

Assesses symptoms related to blood vessel function like skin color changes

Secretomotor

Assesses problems related to sweating and dryness of eyes or mouth

Pupillomotor

Assesses light sensitivity and focusing difficulties

Bladder

Evaluates urinary symptoms, including incontinence and difficulty in voiding

Explore the safety profile of WAINUA

Learn more about once-monthly self-administration

FOOTNOTES

COMPASS-31, Composite Autonomic Symptom Score-31; GI, gastrointestinal; LSM, least-squares mean; mBMI, modified body mass index; SD, standard deviation; SE, standard error.

REFERENCES

  1. 1. Coelho T, Marques W Jr, Dasgupta NR, et al. Eplontersen for hereditary transthyretin amyloidosis with polyneuropathy [article and supplementary online content]. JAMA. 2023;330(15):1448-1458.
  2. 2. Wixner J, Berk J, Adams D, et al. Eplontersen improves autonomic neuropathy symptoms in hereditary ATTR: an analysis from NEURO-TTRansform. Presented at: 4th International ATTR Amyloidosis Meeting; November 2-3, 2023; Madrid, Spain.
  3. 3. Kittleson MM, Ruberg FL, Ambardekar AV, et al; Writing Committee. 2023 ACC Expert Consensus Decision Pathway on comprehensive multidisciplinary care for the patient with cardiac amyloidosis: a report of the American College of Cardiology Solution Set Oversight Committee. J Am Coll Cardiol. 2023;81(11):1076-1126.
  4. 4. Wixner J, Berk JL, Adams D, et al. Effects of eplontersen on symptoms of autonomic neuropathy in hereditary transthyretin-mediated amyloidosis: secondary analysis from the NEURO-TTRansform trial. Amyloid. 2025;32(1):29-38.
  5. 5. Sletten DM, Suarez GA, Low PA, Mandrekar J, Singer W. COMPASS 31: a refined and abbreviated composite autonomic symptom score [article and supplementary appendix]. Mayo Clin Proc. 2012;87(12):1196-1201.

IMPORTANT SAFETY INFORMATION

WARNINGS AND PRECAUTIONS

  • Reduced Serum Vitamin A Levels and Recommended Supplementation WAINUA leads to a decrease in serum vitamin A levels. Supplement with recommended daily allowance of vitamin A. Refer patient to an ophthalmologist if ocular symptoms suggestive of vitamin A deficiency occur.

ADVERSE REACTIONS

Most common adverse reactions (≥9% in WAINUA-treated patients) were vitamin A decreased (15%) and vomiting (9%).

INDICATION

WAINUA injection, for subcutaneous use, 45 mg is indicated for the treatment of the polyneuropathy of hereditary transthyretin-mediated amyloidosis
in adults.

 

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