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Randomized Trial to Assess Efficacy and Safety of Continuous Glucose Monitoring in Children 4-<10 Years With T1DM

2 de septiembre de 2016 actualizado por: Jaeb Center for Health Research

A Randomized Clinical Trial to Assess the Efficacy and Safety of Real-Time Continuous Glucose Monitoring in the Management of Type 1 Diabetes in Young Children (4 to <10 Year Olds)

The purpose of this study is to determine the efficacy, tolerability, safety, and effect on quality of life of CGM in children 4 to less than 10 years of age with type 1 diabetes.

Descripción general del estudio

Estado

Terminado

Condiciones

Intervención / Tratamiento

Descripción detallada

On the day of enrollment, a hemoglobin A1c level will be obtained, and potential subjects will be evaluated for study eligibility through the elicitation of a medical history and performance of a physical examination by a study investigator.

The subject will return for a second visit about 6 weeks after the enrollment visit. At this visit, quality of life questionnaires will be completed and a CGM sensor will be inserted. The monitor will be blinded so that the glucose values cannot be seen. The parent will be instructed on insertion, calibration, and care of the CGM.

The subject will return for a randomization visit 14 to 28 days after the blinded CGM was initiated.

  • Subjects who have been compliant with use of the CGM and HGM will be randomized to one of two treatment groups: CGM Group or Control Group
  • For the CGM Group, the CGM, HGM, and pump data (if applicable) will be reviewed and changes will be made to diabetes management as needed. Parents will be taught to use the protocol-developed instructions for changes to diabetes management to be used in real time based on CGM and HGM data. Instructions for downloading the CGM and HGM will be provided to subjects with a home computer.
  • For the Control Group, a HGM and test strips will be provided. The HGM and pump data (if applicable) will be reviewed and changes will be made in diabetes management as needed. The blinded CGM data will be downloaded but will not be reviewed by study personnel until the end of the first 6 months of the study. Parents will be taught to use the protocol-developed instructions for how to make changes to diabetes management based on HGM data.

Both groups will have follow-up visits at 1,4,8,13,19, and 26 weeks (+/- 1 week) plus one contact between each visit (including one phone contact between the second visit and the one week visit) to review their diabetes management.

  • Both groups will download device data on a weekly basis (if the subject has a computer). Subjects with email access will be instructed to email the downloaded data to the clinical center prior to each phone contact.
  • For both groups, at each visit, the HGM and pump (if applicable) will be downloaded and for the CGM group, the CGM will be downloaded.

In the 13th and 26th weeks, the Control Group will use a blinded CGM for one week. The CGM Group will continue to use the blinded CGM. The Control Group will return the blinded CGM to the clinic after a week. The data will be reviewed by personnel who are not involved in the care of the subject to determine if additional blinded sensor data are needed. The blinded data will not be reviewed by the study personnel for management decisions until the end of the first 6 months of the study.

Following the 26-week visit:

  • Subjects in the RT-CGM Group will continue to use the CGM.
  • Subjects in the Control Group will be provided with a CGM and sensors after the week of blinded use and will have visits after 1 week and 4 weeks, with a phone contact during the first and second weeks.
  • Both groups will have visits after 13 weeks and 26 weeks

Tipo de estudio

Intervencionista

Inscripción (Actual)

146

Fase

  • Fase 3

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Ubicaciones de estudio

  • Estados Unidos
    • California
      • Stanford, California, Estados Unidos, 94305
        • Stanford University Medical Center
    • Connecticut
      • New Haven, Connecticut, Estados Unidos, 06520
        • Yale University, School of Medicine
    • Florida
      • Jacksonville, Florida, Estados Unidos, 32207
        • Nemours Children's Clinic
    • Iowa
      • Iowa City, Iowa, Estados Unidos, 52242
        • Children's Hospital of Iowa, Department of Pediatrics
    • Missouri
      • St. Louis, Missouri, Estados Unidos, 63110
        • Washington University School of Medicine

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

4 años a 9 años (Niño)

Acepta Voluntarios Saludables

No

Géneros elegibles para el estudio

Todos

Descripción

Inclusion Criteria:

  1. Clinical diagnosis of type 1 diabetes and using daily insulin therapy for at least twelve months
  2. Age >4.0 to <10.0 years
  3. HbA1c >= 7.0%
  4. Current insulin regimen involves either use of an insulin pump or multiple daily injections of insulin (at least 3 shots per day) for the last three months, with no plans to switch the modality of insulin administration during the next 6 months (e.g., injection user switching to a pump, pump user switching to injections, or the addition of Lantus (Glargine) insulin)

Exclusion Criteria:

  1. Diabetes diagnosed <6 months of age
  2. Use of a medication such as oral/inhaled glucocorticoids that in the judgment of the investigator will affect the wearing of the sensors or the completion of any aspect of the protocol.

  3. The presence of any of the following diseases or another disease that the investigator believes to be a contraindication to participation in the protocol:

    • Asthma if treated with systemic or daily inhaled corticosteroids in the last 6 months (Intermittent treatment with inhaled corticosteroids does not exclude subjects from enrollment)
    • Cystic fibrosis (Celiac disease and adequately treated thyroid disease do not exclude subjects from enrollment)
  4. Home use of CGM in past 6 months.
  5. Participation in an intervention study (including psychological studies) in past 6 weeks.
  6. Another member of the same household is participating in this study.

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Cuidados de apoyo
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Comparador activo: 1
continuous glucose monitoring
Dispositivo: Monitor continuo de glucosa
Uso diario de un monitor continuo de glucosa
Otros nombres:
  • FreeStyle Navigator
  • Medtronic Paradigm System
Comparador activo: 2
Standard glucose monitoring with a home glucose meter
Dispositivo: Home blood glucose monitor
Home monitoring 3 or more times a day
Otros nombres:
  • FreeStyle meter

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Periodo de tiempo
Number of Participants With a Decrease >=0.5% HbA1c With no Severe Hypoglycemic Events
Periodo de tiempo: 26 weeks
26 weeks

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Number of Severe Hypoglycemic Events Experienced by Participants
Periodo de tiempo: 26 weeks
26 weeks
CGM Glucose Values (mg/dL)
Periodo de tiempo: 26 weeks
Percentage of sensors values in range (71 mg/dL to 180 mg/dL)
26 weeks
Biochemical Hypoglycemia (Percentage of Sensor Values </= 70 mg/dL)
Periodo de tiempo: 26 weeks
CGM glucose values obtained using a blinded CGM device in the control group and unblinded device in the CGM group after the 26-week visit. Glucose indices were calculated for subjects with at least 24 h of glucose. Seven subjects in the CGM group and one subject in the control group who completed the 26-week visit were missing 26-week CGM data.
26 weeks
Measures of Variability: Standard Deviation (SD)
Periodo de tiempo: 26 weeks
standard deviation (SD). Each subject has many sensor glucose values. SD was calculated for each subject as a measure of variability and the median over all subjects were reported.
26 weeks
Measures of Variability: Mean Absolute Rate of Change
Periodo de tiempo: 26 weeks
mean absolute rate of change
26 weeks
Measures of Variability: Mean Amplitude of Glycemic Excursions (MAGE)
Periodo de tiempo: 26 weeks
Mean amplitude of glycemic excursions (MAGE)is a measure of blood glucose variability, an indication of diabetes control. Refer to the 1970 paper by Service for a detailed explanation. Diabetes. 1970 Sep;19(9):644-55
26 weeks
Parental Quality of Life Measures: Hypoglycemia Fear Survey
Periodo de tiempo: 26 weeks
The parent completed the following questionnaires at baseline (prior to initiating use of the blinded CGM device) and at 26 weeks: Hypoglycemia Fear Survey. Scale 0-100 with higher score denoting more fear. The results reported below are the values at 26 weeks.
26 weeks
Parental Quality of Life Measures: PAID (Problem Areas in Diabetes)
Periodo de tiempo: 26 weeks
The parent completed the PAID survey (psychometric evaluation assessing emotional diabetes related distress)at baseline and at 26 weeks. Scale 0-100 with higher scores denoting worse condition. The results reported below are at 26 weeks.
26 weeks
Parental Quality of Life Measures: Blood Glucose Monitoring System Rating Scale
Periodo de tiempo: 26 weeks
The parent completed the following questionnaires at baseline (prior to initiating use of the blinded CGM device) and at 26 weeks: Blood Glucose Monitoring System Rating Scale. Scale 1-4. Higher score denotes fewer problems in the past month.
26 weeks
Parental Quality of Life Measures: CGM Satisfaction Scale
Periodo de tiempo: 26 weeks

Parent completed the CGM satisfaction Scale at 26 weeks. Scoring based on 5-point Likert-type scale with a higher value denoting more favorable response toward CGM use (1-5 where 3 is neutral). CGM Satisfaction Scale has 2 subscales: Benefits of CGM & Lack of Hassles of CGM. For both subscales, higher value denotes more satisfaction (more perceived benefits or fewer hassles) towards CGM use. Favorable denotes agree/strongly agree with a positively worded statement or disagree/strongly disagree with a negatively worded statement. Negative denotes vice-versa. The overall score is the average of all 43 items. The subscale score is mean score of the items grouped in the subscale using factor analysis (see ref below for the details of the factor analysis)

JDRF CGM Study Group. Validation of measures of satisfaction with and impact of continuous and conventional glucose monitoring. Diabetes Technol Ther 2010;12:679-684
26 weeks

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Jaeb Center for Health Research

Colaboradores

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Investigadores

  • Silla de estudio: Roy W Beck, MD, PhD, Jaeb Center for Health Research

Publicaciones y enlaces útiles

La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.

Publicaciones Generales

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio

1 de septiembre de 2010

Finalización primaria (Actual)

1 de junio de 2011

Finalización del estudio (Actual)

1 de enero de 2012

Fechas de registro del estudio

Enviado por primera vez

25 de septiembre de 2008

Primero enviado que cumplió con los criterios de control de calidad

25 de septiembre de 2008

Publicado por primera vez (Estimar)

26 de septiembre de 2008

Actualizaciones de registros de estudio

Última actualización publicada (Estimar)

19 de octubre de 2016

Última actualización enviada que cumplió con los criterios de control de calidad

2 de septiembre de 2016

Última verificación

1 de septiembre de 2016

Más información

Términos relacionados con este estudio

Palabras clave

Términos MeSH relevantes adicionales

Otros números de identificación del estudio

  • DirecNet 011
  • M01RR000069 (Subvención/contrato del NIH de EE. UU.)
  • HD041919-01,
  • HD041915-01,
  • HD041890,
  • HD041918-01,
  • HD041908-01,
  • HD041906-01,
  • RR00059,
  • RR 06022,
  • RR00070-41

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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