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Longevity Metrics AI/ML Development Study

2026年9月2日 更新者：Longevity Metrics, Inc.

Longevity Metrics AI/ML Development Study: A Standing Data Library and Model-Development Platform for Predicting and Validating Health Measurements, Longevity, and Disease

This study builds AI models that score diagnostic screening tests, and that predict screening results, clinical judgment, and life expectancy. Longevity Metrics collects a battery of clinical tests on each participant, in whole or in part, and follows every participant for life.

The sit-to-rise test and the timed walk are scored by hand today, from a person's count. A model scores the same test from video instead. It also measures what no one can count by eye - speed, asymmetry, steadiness - so one capture yields both the original score and additional measurements, intended to enrich the model and strengthen what it predicts.

Every test in a participant's record measures the same body, so the tests are correlated: a test that was performed carries information about one that was not. A model trained across the library learns those relationships and estimates a missing result from the results that are present. Each estimate is checked against records where that part was actually measured, and over decades against death and disease through linkage to the 100-Year Human Aging Study (NCT07563777).

The hypothesis is that the full battery can eventually be predicted across modalities with high accuracy using a few short video clips, replacing most in-person screening. That would let preventive screening reach people and places a physical laboratory cannot. How far the input can be reduced is the question this study exists to answer.

Every model is a physician-reviewed clinical decision aid until it is cleared by the FDA.

研究概览

地位

招聘中

条件

干预/治疗

详细说明

The models serve three aims. First, they automatically score simple physical and cognitive tests that already predict function and in some cases mortality, such as the sit-to-rise test and the timed walk. A model reads richer detail from the same recording than a human scorer can, so it improves on the human score rather than only reproducing it.

Second, they predict the parts of a screening a participant did not obtain from the parts that were performed, and increasingly from inexpensive standardized inputs such as a short video. Within a single record, every test is correlated with the others, so each test can both predict the ones that were not performed and serve as the truth against which those predictions are checked. A missing-data engine fills any missing part of a record by leave-one-out across the library.

Third, they predict the physician's clinical judgment where no determining measurement exists.

Models are developed by milestone freezing with forward validation. No model is validated on records it was trained on. Each model is validated in two stages. It is first validated against a human scorer for measurement accuracy, which gates its use as a clinical decision aid. It is then validated over decades for what it predicts about death and disease.

The platform's distinguishing asset is mortality. Every participant is followed for life, so a small library with verified death outcomes answers questions a much larger library without them cannot. The library is the durable asset, studied across geography and time by increasingly capable models.

This study is one of four that compound into one system. The 100-Year Human Aging Study (NCT07563777) supplies the clinical data and validates what it means for health, disease, disability, and death. The Human Observatory Study (NCT07646782) does the same with sociodemographic and environmental data, and receives each model's geographic residuals. The Health Ahead Comparative Effectiveness Study (NCT07669168) moves the screening toward increasing automation and mobility while maintaining quality. This study builds the models that make automation, prediction, and broad utilization possible.

A physician or licensed provider reviews and signs every result a participant receives.

研究类型

观察性的

注册 (估计的)

1000000

联系人和位置

本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。

学习联系方式

学习地点

  • 美国
    • Colorado
      • Boulder、Colorado、美国、80301

参与标准

研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

  • 成人
  • 年长者

接受健康志愿者

是的

取样方法

非概率样本

研究人群

Participants enrolled in the 100-Year Human Aging Study (NCT07563777) through the unified consent, receiving any Longevity Metrics health screening service at any fixed, mobile, or remote (online) site, current and future. Participants are self-selected community members of all health statuses; no exclusions based on health status, diagnosis, or population group. This study adds no separate enrollment: all records analyzed and all prospective measurements collected under this protocol arise from participants consented under the associated protocols. Participants are followed for life, with mortality, incident disease, and functional-status outcomes ascertained through linkage to the 100-Year Human Aging Study.

描述

Inclusion Criteria:

  • Age >= 18
  • willing to participate in the study

Exclusion Criteria:

  • Age < 18 years

学习计划

本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。

研究是如何设计的？

设计细节

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Measurement Accuracy, Non-Inferiority to Human Scoring.
大体时间：At each model freeze, through study completion, up to 100 years.
Agreement between the model's value and the reference standard, established as non-inferiority to a qualified human scorer where a human reference exists. Gates deployment as a clinical decision aid.
At each model freeze, through study completion, up to 100 years.
Cross-Prediction of Non-Performed Results and Derived Scores
大体时间：At each model freeze, through study completion, up to 100 years.
Accuracy of predicting, from video or from the performed part of a record, both the screening results the participant did not obtain, against the measured value; and the derived scores computed from a complete record, including the Longevity Score, biological age, and estimated age at death, against the value the scoring engine produces from the full measured record.
At each model freeze, through study completion, up to 100 years.
Prediction of Remaining Life Expectancy
大体时间：Through study completion, up to 100 years
Accuracy of predicting remaining life expectancy from video and library data, against observed mortality through linkage to the 100-Year Human Aging Study.
Through study completion, up to 100 years
Prediction of Physician Clinical Judgment
大体时间：At each model freeze, through study completion, up to 100 years
Accuracy of predicting the physician's clinical judgment where no determining measurement exists, against the sealed record. Applies to models that predict a clinical determination rather than a measured value. Where a determining test exists but was not performed, the outcome falls under Primary Outcome 2.
At each model freeze, through study completion, up to 100 years
Screening-Related Injuries and Adverse Events
大体时间：Continuously from first screening through study completion, up to 100 years
Participant injuries or adverse events attributed to measurements added under this study, such as the sit-to-rise test. Ascertained from two independent sources so that an event missed by one is still captured: the tester logs any fall or injury at the time of screening, and the participant reports separately on the post-screening form.
Continuously from first screening through study completion, up to 100 years

次要结果测量

结果测量
措施说明
大体时间
Measurement Accuracy, Superiority to Human Scoring
大体时间：At each model freeze, through study completion, up to 100 years
Conditional on non-inferiority, whether the model scores more reliably or precisely than a qualified human scorer.
At each model freeze, through study completion, up to 100 years
Uncertainty Calibration
大体时间：At each model freeze, through study completion, up to 100 years
Agreement between the model's stated confidence and its observed accuracy.
At each model freeze, through study completion, up to 100 years
Within-Session Repeatability
大体时间：At each model freeze, through study completion, up to 100 years.
Where a test is captured twice back to back, the stability of the model's output across the two captures. Not applicable where repeat capture is impractical, or where a second effort measures fatigue because the test is performed to failure.
At each model freeze, through study completion, up to 100 years.
Missing-Data and Completeness Robustness
大体时间：At each model freeze, through study completion, up to 100 years
Model performance on partial or incomplete input relative to complete input.
At each model freeze, through study completion, up to 100 years
Physician Assessment of Model Output
大体时间：Continuously from first model read through study completion, up to 100 years
Three physician-recorded fields per result, identical to the structured judgment recorded under the Health Ahead Comparative Effectiveness Study, so that one instrument governs physician review of model output across the platform. Agreement with the model read, 1 to 10, 1 strongly disagree to 10 strongly agree. Safety, the potential for patient harm had the read been acted upon as written, 1 to 10, 1 high potential for serious harm to 10 no potential for patient harm. Override, binary, recording whether the released interpretation differs in any substantive respect from the read. The two rating scales ascend toward the better state. Agreement records what the physician thought of a read; override records what the physician did with it, and the two diverge routinely.
Continuously from first model read through study completion, up to 100 years
Model Enrichment
大体时间：Through study completion, up to 100 years.
Whether added parameters improve prediction of 100-Year outcomes over the base measure. Reported once Primary Outcome 3 is estimable.
Through study completion, up to 100 years.
Improvement Over Standard Screening
大体时间：Through study completion, up to 100 years
Incremental value of video-derived information over standard screening for remaining life expectancy, through the 100-Year linkage. Reported once Primary Outcome 3 is estimable.
Through study completion, up to 100 years
Incident Chronic Disease Prediction
大体时间：Through study completion, up to 100 years
Accuracy of predicting new chronic disease onset, through the 100-Year linkage. Reported by predictor set, model and physician, so the prognostic comparison is made on a common outcome.
Through study completion, up to 100 years
Cause-of-Death Prediction
大体时间：Through study completion, up to 100 years
Concordance between predicted and actual cause of death, through the 100-Year linkage.
Through study completion, up to 100 years
Time to Functional Disability
大体时间：Through study completion, up to 100 years
Accuracy of predicting the timing of functional disability onset, through the 100-Year linkage.
Through study completion, up to 100 years
Geographic Predictive Transportability
大体时间：At each model freeze, through study completion, up to 100 years
Change in predictive performance with environmental distance from the validated envelope. Residuals are returned to the Human Observatory Study.
At each model freeze, through study completion, up to 100 years
Temporal Stability and Drift
大体时间：Continuously from first model freeze through study completion, up to 100 years
Stability of performance across calendar time and across a participant's repeat screenings.
Continuously from first model freeze through study completion, up to 100 years
Rate of Change
大体时间：Through study completion, up to 100 years
Accuracy of predicting the change in a measure between visits, and of predicting outcomes from that change. Applies to every model with repeat captures. The within-participant change and its pace are tested against death, disease, and functional decline alongside the cross-sectional value.
Through study completion, up to 100 years

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

Longevity Metrics, Inc.

调查人员

  • 首席研究员：William E Brandenburg, MD、Longevity Metrics, Inc.

出版物和有用的链接

负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。

有用的网址

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (实际的)

2026年8月8日

初级完成 (估计的)

2099年12月31日

研究完成 (估计的)

2099年12月31日

研究注册日期

首次提交

2026年9月2日

首先提交符合 QC 标准的

2026年9月2日

首次发布 (实际的)

2026年9月9日

研究记录更新

最后更新发布 (实际的)

2026年9月9日

上次提交的符合 QC 标准的更新

2026年9月2日

最后验证

2026年9月1日

更多信息

与本研究相关的术语

关键字

其他相关的 MeSH 术语

其他研究编号

  • AIML

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)？

不

IPD 计划说明

Individual participant data are not shared. The complete participant record includes facial and voice recordings, genomic data, and neighborhood-resolution geography, and cannot be de-identified; it is never released. Identifiable data are accessed only by approved researchers working within Longevity Metrics secure facilities under data use agreements, with no data removed. Specific derived, aggregate, and statistical outputs are de-identified to HIPAA Safe Harbor standards and may be published, shared with collaborators, or contributed to open-access research databases. Models, risk estimates, and analytic findings derived from the research data may be provided to external organizations or used commercially; no participant record and no dataset containing participant data is transferred.

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.

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