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PubMed This is a summary of 19 peer-reviewed journal articles Updated
Neurology

Managing Your Health: Treatment and Care

At a Glance

While there is no cure for Kennedy Disease, symptoms are manageable through multidisciplinary care, physical therapy, and speech therapy. Crucially, testosterone replacement therapy is contraindicated, as it can rapidly accelerate muscle weakness and nerve destruction.

While there is currently no cure that can fully reverse Kennedy Disease, the condition is manageable. Because it is a slowly progressive disorder, the goal of treatment is to maintain your physical function, manage symptoms, and protect your long-term health through a multidisciplinary approach—where a team of specialists works together to support you [1][2].

The Danger of Testosterone

One of the most critical pieces of information for anyone with Kennedy Disease is that testosterone replacement therapy (TRT) is generally contraindicated [3].

The genetic mutation in this disease creates a toxic protein that is “activated” by male hormones (androgens) like testosterone. Adding more testosterone to your body can act like “fuel on a fire,” potentially causing a rapid worsening of muscle weakness and the destruction of motor neurons [3][4]. Even if a blood test shows you have “low testosterone,” it is vital to consult with a neurologist who specializes in Kennedy Disease before considering any hormone therapy.

Androgen Deprivation Therapy

Because testosterone drives the disease process, some medical protocols use androgen deprivation therapy to lower the body’s natural testosterone levels.

  • Leuprorelin: This is a medication that reduces the production of testosterone [5].
  • How it works: By lowering testosterone levels, leuprorelin helps reduce the accumulation of the toxic protein in your nerve and muscle cells [6].
  • Potential Benefits: Clinical studies suggest that long-term use of leuprorelin may help delay the decline in physical function and reduce the risk of complications like pneumonia [6][7].

Managing Swallowing and Speech (Bulbar Care)

Maintaining your ability to swallow safely is a top priority. A speech-language pathologist (SLP) is a key member of your care team [8].

  • Dysphagia Management: The SLP will monitor your swallowing to ensure food and liquid aren’t entering your lungs (aspiration), which can cause pneumonia [8][9].
  • Speech Support: If your speech becomes slurred or nasal, an SLP may recommend a palatal lift prosthesis (PLP). This is a dental-like appliance that helps the roof of your mouth move correctly, making your speech clearer [10].

Physical Therapy and Mobility

Staying active is important, but the type of exercise matters. Physical therapy (PT) for Kennedy Disease focuses on “functional” goals [11]:

  • Exercise: Home-based, moderate exercise programs can help maintain your strength and quality of life without causing excessive fatigue [12][11].
  • Safety: Your therapist can help with gait training and recommend walking aids (like canes or braces) to prevent falls before they happen [13][14].

Metabolic Monitoring

Because Kennedy Disease affects how your body processes fats and sugars, your care should include regular check-ups for metabolic health [15].

  • Insulin Resistance: Many patients develop high blood sugar or insulin resistance, which requires monitoring similar to diabetes [16].
  • Fatty Liver (NAFLD): Your doctor may use blood tests or ultrasounds to check your liver health, as fatty liver is a very common feature of the disease [17][18].

By focusing on these different areas of health, you can work with your medical team to navigate the challenges of Kennedy Disease and maintain your independence for as long as possible [19].

Return to Overview

Common questions in this guide

Why is testosterone dangerous if I have Kennedy disease?
The genetic mutation in Kennedy disease creates a toxic protein that is activated by testosterone. Taking testosterone therapy can act like fuel on a fire, causing rapid worsening of muscle weakness and the destruction of motor neurons.
What medications are used to treat Kennedy disease?
Doctors may prescribe androgen deprivation therapy, such as a medication called leuprorelin. This treatment lowers your body's natural testosterone levels, which helps reduce the accumulation of toxic proteins in your nerve and muscle cells.
How can a speech therapist help with Kennedy disease?
A speech-language pathologist monitors your swallowing to ensure food and liquid don't enter your lungs, which could cause pneumonia. They can also recommend tools like a palatal lift prosthesis to help if your speech becomes slurred or nasal.
Is it safe to exercise with Kennedy disease?
Yes, moderate, home-based exercise is recommended to help maintain your strength and quality of life. However, you should work with a physical therapist to ensure the routine does not cause excessive fatigue or muscle cramping.
Why do I need to be monitored for metabolic issues like diabetes?
Because the condition affects how your body processes fats and sugars, patients frequently develop high blood sugar, insulin resistance, or fatty liver disease. Regular metabolic screening is essential to catch and manage these complications early.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Can you confirm that my chart explicitly lists testosterone replacement therapy as a contraindication?
  2. 2.Am I a candidate for leuprorelin (androgen deprivation therapy), and what are the potential benefits and side effects for someone at my stage?
  3. 3.How often should I see a speech-language pathologist to screen for swallowing issues, even if I haven't noticed any choking?
  4. 4.Should I be referred to an endocrinologist to monitor for metabolic issues like insulin resistance or fatty liver disease?
  5. 5.What type of exercise program is safest for me to maintain my strength without overtaxing my muscles?

Questions For You

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References

References (19)
  1. 1

    Kennedy's disease: an under-recognized motor neuron disorder.

    Malek EG, Salameh JS, Makki A

    Acta neurologica Belgica 2020; (120(6)):1289-1295 doi:10.1007/s13760-020-01472-6.

    PMID: 32839928
  2. 2

    210th ENMC International Workshop: Research and clinical management of patients with spinal and bulbar muscular atrophy, 27-29 March, 2015, Naarden, The Netherlands.

    Pennuto M, Greensmith L, Pradat PF, et al.

    Neuromuscular disorders : NMD 2015; (25(10)):802-12.

    PMID: 26206601
  3. 3

    Case report: Klinefelter syndrome may protect against the development of spinal and bulbar muscular atrophy.

    Akanuma H, Kadowaki S, Kanai K

    Frontiers in neurology 2024; (15()):1340694 doi:10.3389/fneur.2024.1340694.

    PMID: 38405402
  4. 4

    Spinal and Bulbar Muscular Atrophy Overview.

    Fischbeck KH

    Journal of molecular neuroscience : MN 2016; (58(3)):317-20 doi:10.1007/s12031-015-0674-7.

    PMID: 26547319
  5. 5

    Castration-resistant prostate cancer diagnosed during leuprorelin treatment for spinal and bulbar muscular atrophy.

    Yanase A, Sugihara T, Akimoto T, et al.

    IJU case reports 2022; (5(4)):251-254 doi:10.1002/iju5.12447.

    PMID: 35795131
  6. 6

    Long-term treatment with leuprorelin for spinal and bulbar muscular atrophy: natural history-controlled study.

    Hashizume A, Katsuno M, Suzuki K, et al.

    Journal of neurology, neurosurgery, and psychiatry 2017; (88(12)):1026-1032 doi:10.1136/jnnp-2017-316015.

    PMID: 28780536
  7. 7

    Effect of leuprorelin in bulbar function of spinal and bulbar muscular atrophy patients: observational study for 1 year.

    Kang MG, Gwak DW, Cho HJ, et al.

    Journal of neurology 2021; (268(9)):3344-3351 doi:10.1007/s00415-021-10503-y.

    PMID: 33675422
  8. 8

    Swallowing markers in spinal and bulbar muscular atrophy.

    Banno H, Katsuno M, Suzuki K, et al.

    Annals of clinical and translational neurology 2017; (4(8)):534-543 doi:10.1002/acn3.425.

    PMID: 28812043
  9. 9

    Quantitative Assessment of Swallowing Dysfunction in Patients with Spinal and Bulbar Muscular Atrophy.

    Hashizume A, Banno H, Katsuno M, et al.

    Internal medicine (Tokyo, Japan) 2017; (56(23)):3159-3165 doi:10.2169/internalmedicine.8799-16.

    PMID: 29021456
  10. 10

    Nasometric Scores in spinal and bulbar muscular atrophy - Effects of palatal lift prosthesis on dysarthria and dysphagia.

    Tanaka S, Hashizume A, Hijikata Y, et al.

    Journal of the neurological sciences 2019; (407()):116503 doi:10.1016/j.jns.2019.116503.

    PMID: 31669728
  11. 11

    SAFETY AND TOLERABILITY OF STRENGTH TRAINING IN SPINAL AND BULBAR MUSCULAR ATROPHY: A CASE REPORT.

    Shieh V, Zampieri C, Stout P, et al.

    Journal of rehabilitation medicine. Clinical communications 2022; (5()):2513 doi:10.2340/jrmcc.v5.2513.

    PMID: 36072267
  12. 12

    Exercise Intervention Leads to Functional Improvement in a Patient with Spinal and Bulbar Muscular Atrophy.

    Compo J, Joseph J, Shieh V, et al.

    Journal of rehabilitation medicine. Clinical communications 2020; (3()):1000041 doi:10.2340/20030711-1000041.

    PMID: 33884143
  13. 13

    A preliminary study on the effects of long-term robot suit exercise training on gait function and quality of life in patients with spinal and bulbar muscular atrophy.

    Hirayama T, Morioka H, Sugisawa T, et al.

    Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2024; (128()):110778 doi:10.1016/j.jocn.2024.110778.

    PMID: 39168060
  14. 14

    Identifying Clinical Measures Related to Falls in Ambulatory Patients with Spinal and Bulbar Muscular Atrophy.

    Shrader JA, Niemic AC, Jiménez-Silva R, et al.

    Neurology international 2025; (17(6)) doi:10.3390/neurolint17060080.

    PMID: 40559319
  15. 15

    Metabolic alterations in spinal and bulbar muscular atrophy.

    Francini-Pesenti F, Vitturi N, Tresso S, Sorarù G

    Revue neurologique 2020; (176(10)):780-787 doi:10.1016/j.neurol.2020.03.020.

    PMID: 32631678
  16. 16

    Correlation of insulin resistance and motor function in spinal and bulbar muscular atrophy.

    Nakatsuji H, Araki A, Hashizume A, et al.

    Journal of neurology 2017; (264(5)):839-847 doi:10.1007/s00415-017-8405-3.

    PMID: 28229243
  17. 17

    Prevalence of metabolic syndrome and non-alcoholic fatty liver disease in a cohort of italian patients with spinal-bulbar muscular atrophy.

    Francini-Pesenti F, Querin G, Martini C, et al.

    Acta myologica : myopathies and cardiomyopathies : official journal of the Mediterranean Society of Myology 2018; (37(3)):204-209.

    PMID: 30838350
  18. 18

    Nonalcoholic fatty liver disease in spinal and bulbar muscular atrophy.

    Guber RD, Takyar V, Kokkinis A, et al.

    Neurology 2017; (89(24)):2481-2490 doi:10.1212/WNL.0000000000004748.

    PMID: 29142082
  19. 19

    The French national protocol for Kennedy's disease (SBMA): consensus diagnostic and management recommendations.

    Pradat PF, Bernard E, Corcia P, et al.

    Orphanet journal of rare diseases 2020; (15(1)):90 doi:10.1186/s13023-020-01366-z.

    PMID: 32276665

This page provides informational guidance on managing Kennedy disease and does not replace professional medical advice. Always consult your neurologist before starting or stopping any therapies, especially hormone-related treatments.

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