人口ベースのコホートにおけるゲノム結果の返還と総浸透度 (PopSeq)
調査の概要
詳細な説明
このプロジェクトの目的は次のとおりです。1) 臨床的に実用的なゲノム結果を参加者に返し、結果を追跡します。 gRoR に同意した生きている FHS/JHS 参加者のうち、ACMG 推奨の二次調査結果リストに記載されている遺伝子の 1 つに有害で実用的なバリアントが発見された参加者に連絡します (参加者の推定 2%)。 2) 有効な病原性変異を特定するためのハイスループット手法を改善します。 FHS/JHS ゲノムのハイスループット スクリーニングの方法を改良して適用し、約 3,500 のメンデル病関連遺伝子の有害なバリアントを高感度で検出し、病原性がないバリアント/病原性の可能性が高いバリアントの誤検出率を低減します。 3) メンデル性疾患の総浸透度を調査します。 FHS および JHS 参加者のサブセットからの表現型データを確認し、これを遺伝子型データと比較します。
収集されるデータには、gRoR に同意し、ACMG にリストされている遺伝子の 1 つに有害なバリアントがあることを知った個人に関する結果と表現型のデータが含まれます。 これらのデータは調査を通じて自己報告され、利用可能な医療記録がレビューされます。 追加の表現型データを収集し、ゲノム浸透度を調査するために、他の非実用的なメンデル病遺伝子についてレビューすることができます。
実用的な遺伝子に有害なバリアントがあると特定された研究参加者は、この情報を学ぶことで直接的な健康上の利益を得ることができます。ただし、医学的適応症を提示していない健康な個人にゲノム結果を返すと、バリアントに関連するスクリーニングと管理の増加に関連する予期しない害が生じる可能性があります。 この研究は、人口ベースのコホートでゲノム情報を返すことに関連する利点と潜在的な害を調査することに焦点を当てています。 また、疾患状態で選択されていない 2 つの集団におけるこれらのバリアントの浸透率をよりよく理解することもでき、主にアフリカ系アメリカ人集団と白人集団の結果を比較することができます。 バリアント分析を合理化する方法を開発することは、研究室の効率を改善するのに役立ち、バリアントのキュレーションと分析の分野を進歩させるでしょう。
研究の種類
入学 (実際)
段階
- 適用できない
連絡先と場所
研究場所
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Massachusetts
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Framingham、Massachusetts、アメリカ、01702
- Framingham Heart Study
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Mississippi
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Jackson、Mississippi、アメリカ、39213
- Jackson Heart Study
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
説明
包含基準:
- TOPMed プログラムの一環としてゲノム配列が決定された Framingham Heart Study および Jackson Heart Study に登録された生きている個人。
- 18歳以上の成人
- DNAサンプルを研究目的で使用することに同意した人(およびゲノム情報を受け取ることに同意したgRoRに参加する人)。
除外基準:
- TOPMed の一部としてゲノム配列が決定されていない Framingham Heart Study または Jackson Heart Study の参加者
- ゲノム/遺伝子研究を選択しなかった参加者
- ゲノム結果を受け取ることに同意した/しない参加者 (この研究の gRoR 部分のみ)
研究計画
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:防止
- 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 |
|---|---|
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実験的:実用的なゲノム知見を持つ FHS および中学生の参加者
TOPMed の一部としてゲノムの配列が決定された Framingham and Jackson Heart Study の参加者は、ACMG v2.0 遺伝子で実用的な遺伝的結果が特定された場合に通知され、研究によって臨床的に確認された研究結果を得る機会が提供されます。
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全ゲノム配列決定と、ACMG 二次調査結果リストに含まれる遺伝子の実用的なゲノム結果の報告。
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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 |
|---|---|---|
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Follow Through With Disclosure
時間枠:From genetic result notification to 8 months post-disclosure
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Living JHS/FHS participants sequenced as part of the TOPMed program who were notified about an actionable genetic result that warranted having the research result verified who followed through with having their result confirmed and disclosed to their health care provider.
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From genetic result notification to 8 months post-disclosure
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Total Costs of Program Implementation
時間枠:From the initiation of bioinformatics analysis to disclosure of confirmed actionable genetic finding (approximately 6 months).
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We will determine the costs and associated time demands of implementing gRoR using a microcosting approach in which study staff track the amount of time they spend and the resources they use for each step of the protocol.
Ranges are based on 50% to 200% of point estimates given variability in wages and prices of services.
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From the initiation of bioinformatics analysis to disclosure of confirmed actionable genetic finding (approximately 6 months).
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Costs of Follow-Up Care
時間枠:1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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For follow-up medical care, we use a gross costing approach where we apply Centers for Medicare and Medicaid fee schedules to participant-reported referrals and tests.
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1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Guideline Compliance
時間枠:At the time of disclosure of confirmed findings (approximately 3 months after initial results notification)
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Number of participants with actionable genetic results who, per the judgement of a genetic specialist, had already met clinical criteria for genetic testing based on their personal and family histories of disease.
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At the time of disclosure of confirmed findings (approximately 3 months after initial results notification)
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New and Modified Diagnoses
時間枠:6 months Post-Disclosure Survey (6-9 months after disclosure of confirmed results);1 Year Post-Disclosure Survey (from 1 year to 15 months after disclosure of confirmed results)
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We will examine cases to determine the percentage of individuals who report a new or modified diagnosis attributed to results disclosure.
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6 months Post-Disclosure Survey (6-9 months after disclosure of confirmed results);1 Year Post-Disclosure Survey (from 1 year to 15 months after disclosure of confirmed results)
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Self-Rated Health
時間枠:Post Disclosure Survey (up to 1 month from disclosure of confirmed results); 1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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A single item of self rated health derived from the SF-12v2.
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Post Disclosure Survey (up to 1 month from disclosure of confirmed results); 1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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Number of Participants With Recommendations to Referrals or Services During Clinical Disclosure Sessions
時間枠:From disclosure to 1 month post-disclosure
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We reviewed chart notes from results disclosure sessions to determine whether referrals or services were recommended in response to genetic findings.
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From disclosure to 1 month post-disclosure
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Health Care Utilization
時間枠:1 year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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Health care utilization in response to results disclosure reported by participants in the one year follow-up survey, including referrals, tests and/or procedures, and changes to medications.
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1 year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
|
その他の成果指標
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Self-Reported Changes to Health Behaviors
時間枠:1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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A series of standardized yes/no questions that assess whether disclosed genetic information motivated participants to make changes to health behaviors, including diet, exercise, dietary supplements use, alcohol use, stress management, and smoking.
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1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
|
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Disclosure-specific Impact
時間枠:6 months Post-Disclosure Survey (6-9 months after disclosure of confirmed results)
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The survey assessed the disclosure-specific impact of information on distress and positive emotions using an adapted 12-item version of the FaCTOR, a validated instrument developed for genomic sequencing that is sensitive to responses to high- and low-risk genetic risk results.
Subscales assess negative emotions (range: 3 to 15), positive feelings (reverse-scored, range: 4 to 20), uncertainty (range: 3 to 15), and privacy concerns (range: 2 to 10), with higher scores on each subscale indicating more negative experiences.
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6 months Post-Disclosure Survey (6-9 months after disclosure of confirmed results)
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Satisfaction With Disclosure
時間枠:6 months Post-Disclosure Survey (6-9 months after disclosure of confirmed results); 1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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Surveys assessed how helpful participants felt the results disclosure session was using a novel single question.
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6 months Post-Disclosure Survey (6-9 months after disclosure of confirmed results); 1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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Decisional Regret
時間枠:6 months Post-Disclosure Survey (6-9 months after disclosure of confirmed results); 1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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Surveys assessed if participants regretted their decisions to receive their genetic findings using a novel single question.
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6 months Post-Disclosure Survey (6-9 months after disclosure of confirmed results); 1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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Sharing With Relatives
時間枠:1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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The survey assessed with whether participants shared their genetic information with relatives .
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1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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Family Testing
時間枠:1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
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The survey assessed whether participants had relatives that received genetic testing based on disclosure to the participant.
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1 Year Post-Disclosure Survey (from 12 months to 15 months after disclosure of confirmed results)
|
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General Anxiety
時間枠:Post Disclosure Survey (up to 1 month from disclosure of confirmed results); 6 months Post-Disclosure Survey (6-9 months after disclosure of confirmed results)
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We measure general anxiety using a 4-item version of the General Anxiety Disorder Scale, a validated scale that allows investigators to identify individuals with a potential mood disorder.
Scores range from 4 to 16, with higher scores indicating greater anxiety.
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Post Disclosure Survey (up to 1 month from disclosure of confirmed results); 6 months Post-Disclosure Survey (6-9 months after disclosure of confirmed results)
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協力者と研究者
出版物と役立つリンク
一般刊行物
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研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (実際)
研究の完了 (実際)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
追加の関連 MeSH 用語
その他の研究ID番号
- R01HL143295 (米国 NIH グラント/契約)
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?
IPD プランの説明
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
米国FDA規制機器製品の研究
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