- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT00539305
Hormone and Information Processing Study (HIP)
Testosterone Supplementation in Men With MCI
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Descripción detallada
Natural age related declines in testosterone (T) are associated with decreases in cognitive abilities independent of health status. Low T levels over time are associated with increased risk for developing Alzheimer's disease (AD). These findings suggest that men with low T levels are most at risk for age-related cognitive decline and AD and therefore most likely to benefit from T supplementation to prevent the development of AD or age-associated cognitive decline. The current study will assess cognition, mood, and cerebral spinal fluid (CSF) biomarker response to T supplementation in older men with mild cognitive impairment (MCI) and low T levels.
Participants will be randomized to either receive T treatment or a placebo for six months. Participants will come in for about five visits within the span of six months where they will complete cognitive & memory tests, fill out mood questionnaires, and have their blood drawn to monitor the medication level. A sample of blood will also be taken at one visit to test for apolipoprotein E (APOE), which is a genetic risk factor associated with AD. Participants will have the option to get a spinal tap in order to measure biological markers associated with Alzheimer's disease including beta-amyloid 1-40, 42, total-tau, and phosphorylated-tau-181-231. This will require an additional two visits.
Tipo de estudio
Inscripción (Actual)
Fase
- Fase 3
Contactos y Ubicaciones
Ubicaciones de estudio
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Washington
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Seattle, Washington, Estados Unidos, 98108
- VA Puget Sound Health Care Systems
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
Inclusion Criteria:
- Male 60-90 years of age
- Diagnosis of mild cognitive impairment (MCI)
- Low testosterone level
- Primary language is English
- Availability of an informant who knows the participant well enough to answer questions
- Stable medications for the previous 3 months
- Normal complete blood count (CBC), and no clinically significant blood chemistry
- American Urological Association (AUA) symptom score less than or equal to 19
- Body Mass Index (BMI) less than 33 and stable weight in the previous year
Exclusion Criteria:
- Prior history of prostate cancer or prostate specific antigen level greater than 4.0ng/ml
- Peripheral or vascular disease
- Significant history of alcohol abuse, current alcohol abuse (more than 2 drinks per day), or other substance abuse
- History of severe head injury (with loss of consciousness greater than 30 minutes)
- Significant neurological illness, such as Parkinson's disease, seizure disorder, multiple sclerosis, major stoke
- Smokes cigarettes
- Major psychiatric illness, such as schizophrenia or bipolar disorder
Prohibited Medications:
- Anti-convulsants
- Anti-psychotics
- Sedating antihistamines
- Sedative/hypnotics
- Benzodiazepines
- Hormone or testosterone regimens
- Gonadotropin-releasing hormone (GNRH) antagonists
- Flutamide
- Anti-depressants and/or anti-cholinesterase inhibitors, but acceptable if on stable dose for 3 months or more
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Propósito principal: Tratamiento
- Asignación: Aleatorizado
- Modelo Intervencionista: Asignación paralela
- Enmascaramiento: Cuadruplicar
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
|---|---|
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Comparador de placebos: 2
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applied topically daily for six months
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Experimental: Study drug; testosterone transdermal gel
Dose will be adjusted as needed to maintain a target total T level of 500-900 ng/dl
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50-100mg applied topically daily for six months
Otros nombres:
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
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Behavioral & Mood Measure: Profile of Mood States (POMS)
Periodo de tiempo: Baseline, 3 and 6 months
|
Values represent self evaluation of vigor-activity.
The scale compares t-scores of participants to published norms (range 0-100), and higher scores indicate elevated emotion in subscale.
Higher t-scores in vigor-activity subscale are considered favorable.
Month 3 and Month 6 values display change from baseline.
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Baseline, 3 and 6 months
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Cognitive Changes Measured by Neuropsychological Tests: Rey Auditory Verbal Learning Test
Periodo de tiempo: Baseline, 3 and 6 months
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Values represent total score in Long Delay Word List Recall.
Higher score indicates higher level of functioning (range 0-15).
Month 3 and Month 6 indicate change from baseline.
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Baseline, 3 and 6 months
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Geriatric Depression Scale (GDS)
Periodo de tiempo: Baseline, Month 3, Month 6
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Values represent self evaluation of depression (range 0-30).
Higher scores indicate a more depressed mood.
Month 3 and Month 6 indicate change from baseline.
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Baseline, Month 3, Month 6
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Short-Form Health Survey (SF-36)
Periodo de tiempo: Baseline, Month 3, Month 6
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Self assessment of Physical Functioning in Health Survey.
Higher scores indicate a higher level of functioning (range 0-100).
Month 3 and 6 values represent change from baseline in subscale.
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Baseline, Month 3, Month 6
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Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Monique Cherrier, PhD, University of Washington
Publicaciones y enlaces útiles
Publicaciones Generales
- Cherrier MM, Asthana S, Plymate S, Baker L, Matsumoto AM, Peskind E, Raskind MA, Brodkin K, Bremner W, Petrova A, LaTendresse S, Craft S. Testosterone supplementation improves spatial and verbal memory in healthy older men. Neurology. 2001 Jul 10;57(1):80-8. doi: 10.1212/wnl.57.1.80.
- Cherrier MM, Matsumoto AM, Amory JK, Ahmed S, Bremner W, Peskind ER, Raskind MA, Johnson M, Craft S. The role of aromatization in testosterone supplementation: effects on cognition in older men. Neurology. 2005 Jan 25;64(2):290-6. doi: 10.1212/01.WNL.0000149639.25136.CA.
- Cherrier MM, Matsumoto AM, Amory JK, Asthana S, Bremner W, Peskind ER, Raskind MA, Craft S. Testosterone improves spatial memory in men with Alzheimer disease and mild cognitive impairment. Neurology. 2005 Jun 28;64(12):2063-8. doi: 10.1212/01.WNL.0000165995.98986.F1.
- Cherrier MM, Matsumoto AM, Amory JK, Johnson M, Craft S, Peskind ER, Raskind MA. Characterization of verbal and spatial memory changes from moderate to supraphysiological increases in serum testosterone in healthy older men. Psychoneuroendocrinology. 2007 Jan;32(1):72-9. doi: 10.1016/j.psyneuen.2006.10.008. Epub 2006 Dec 4.
- Lu PH, Masterman DA, Mulnard R, Cotman C, Miller B, Yaffe K, Reback E, Porter V, Swerdloff R, Cummings JL. Effects of testosterone on cognition and mood in male patients with mild Alzheimer disease and healthy elderly men. Arch Neurol. 2006 Feb;63(2):177-85. doi: 10.1001/archneur.63.2.nct50002. Epub 2005 Dec 12.
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Actual)
Finalización del estudio (Actual)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimar)
Actualizaciones de registros de estudio
Última actualización publicada (Estimar)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Palabras clave
Términos MeSH relevantes adicionales
- Desordenes mentales
- Enfermedades Cerebrales
- Enfermedades del Sistema Nervioso Central
- Enfermedades del Sistema Nervioso
- Trastornos neurocognitivos
- Enfermedades neurodegenerativas
- Demencia
- Tauopatías
- Trastornos cognitivos
- Enfermedad de Alzheimer
- Disfunción congnitiva
- Efectos fisiológicos de las drogas
- Agentes antineoplásicos
- Hormonas
- Hormonas, sustitutos hormonales y antagonistas hormonales
- Agentes Antineoplásicos Hormonales
- Andrógenos
- Agentes anabólicos
- Testosterona
- Metiltestosterona
- Undecanoato de testosterona
- Enantato de testosterona
- Testosterona 17 beta-cipionato
Otros números de identificación del estudio
- 29975-A
- R01AG027156 (Subvención/contrato del NIH de EE. UU.)
- 1R01AG027156-01A2 (Subvención/contrato del NIH de EE. UU.)
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