# Validation of a Portable Indirect Calorimeter

> **NCT04469452** · — · TERMINATED · sponsor: **University of Colorado, Denver** · enrollment: 35 (actual)

## Conditions studied

- Human Energy Expenditure

## Interventions

- **DEVICE:** Apollo Device

## Key facts

- **NCT ID:** NCT04469452
- **Lead sponsor:** University of Colorado, Denver
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2020-09-01
- **Primary completion:** 2023-11-28
- **Final completion:** 2023-11-28
- **Target enrollment:** 35 (ACTUAL)
- **Why stopped:** Halted by sponsor
- **Last updated:** 2023-12-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04469452

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04469452, "Validation of a Portable Indirect Calorimeter". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04469452. Licensed CC0.

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