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Satisfaction of Specific Modes Related to Physical Activity in People Living With Type 1 Diabetes and Using an Hybrid Closed-loop System (BF-ACT)

2026年4月27日 更新者:University Hospital, Grenoble

The BF-ACT study is a single-center, non-interventional (RIPH3) descriptive study conducted at CHU Grenoble Alpes. It aims to evaluate the satisfaction of adults with type 1 diabetes using closed-loop insulin delivery systems, specifically regarding the "physical activity mode" designed to adapt insulin delivery during exercise.

Although physical activity is essential for managing type 1 diabetes, it remains challenging due to the risk of hypoglycemia. Closed-loop systems have improved glucose control, but their effectiveness during exercise depends on multiple factors, and their real-life use can be complex. Currently, little is known about patient satisfaction and experience with these specific modes.

The study will collect data through a self-administered questionnaire, distributed to eligible patients (≥18 years old, with type 1 diabetes, using a closed-loop system for at least 4 months). The primary outcome is the satisfaction score based on the questionnaire. Secondary objectives include describing physical activity perception, usage of the activity mode, and comparing users versus non-users.

Approximately up to 900 patients may be included over a 4-month recruitment period. Clinical and glucose monitoring data will also be collected from medical records. The results are expected to improve patient education, device usability, and support for physical activity in people living with type 1 diabetes.

調査の概要

状態

募集

条件

介入・治療

研究の種類

介入

入学 (推定)

900

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

研究場所

      • Grenoble、フランス
        • 募集
        • CHU Grenoble Alpes
        • コンタクト:

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 大人
  • 高齢者

健康ボランティアの受け入れ

いいえ

説明

Inclusion Criteria

  • Age ≥ 18 years
  • Patient living with type 1 diabetes
  • Patient using a closed-loop system for at least 4 months
  • Patient followed by a diabetologist in our center

Exclusion criteria

  • People opposed to the research
  • People protected by the law

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

  • 主な目的:他の
  • 割り当て:なし
  • 介入モデル:単一グループの割り当て
  • マスキング:なし(オープンラベル)

武器と介入

参加者グループ / アーム
介入・治療
他の:Only 1 arm = patient treated with AID systems
Administration of 1 questionnar to investigate the satisfaction with the physical activity mode of closed-loop systems among people living with type 1 diabetes.

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
Satisfaction score
時間枠:Baseline
Part C, D and E of the questionnar
Baseline

二次結果の測定

結果測定
メジャーの説明
時間枠
Describe the perception of physical activity within the study population
時間枠:Baseline
Part A of the questionnar
Baseline
Describe the proportion of individuals using the physical activity mode in our study
時間枠:Baseline
Part B of the questionnar
Baseline
Describe satisfaction with the mode in relation to the physical activities performed by patients
時間枠:Baseline
Part F of the questionnar
Baseline
Describe overall satisfaction with the "physical activity" mode
時間枠:Baseline
Part G of the questionnar
Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

HbA1c (%)

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Type of closed-loop system

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Duration of use of the closed-loop system

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Time spent in closed-loop mode

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Duration of type 1 diabetes

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Age

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Sex

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

Body Mass Index (BMI)

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

  • Time in Range (TIR) 70-180 mg/dL
  • Time in Tight Range (TITR) 70-140 mg/dL
  • Time Above Range (TAR) > 180 mg/dL and > 250 mg/dL
  • Time Below Range (TBR) < 70 mg/dL and < 54 mg/dL
Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Mean glucose (mg/dL)

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Glucose Management Index (GMI)

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Coefficient of Variation (CV, in %)

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Glycemia Risk Index (GRI)

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Total daily insulin dose (IU/day)

Baseline
Compare populations who use the physical activity mode with those who do not use it
時間枠:Baseline

Comparison based on several parameters to describe the two populations at the time of questionnaire completion:

CGM data over the 15 days prior to questionnaire completion:

- Percentage of use of the physical activity mode

Baseline

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2026年4月21日

一次修了 (推定)

2026年8月31日

研究の完了 (推定)

2026年12月31日

試験登録日

最初に提出

2026年4月20日

QC基準を満たした最初の提出物

2026年4月27日

最初の投稿 (実際)

2026年5月5日

学習記録の更新

投稿された最後の更新 (実際)

2026年5月5日

QC基準を満たした最後の更新が送信されました

2026年4月27日

最終確認日

2026年4月1日

詳しくは

本研究に関する用語

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

未定

医薬品およびデバイス情報、研究文書

米国FDA規制医薬品の研究

いいえ

米国FDA規制機器製品の研究

いいえ

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