# Real-world Momentary Assessment of Kratom Use Accompanied by Product Assays: A Natural-history Study for Interdisciplinary Characterization of Kratom Use and Pharmacology

> **NCT05457803** · — · COMPLETED · sponsor: **National Institute on Drug Abuse (NIDA)** · enrollment: 396 (actual)

## Conditions studied

- Chronic Pain
- Fatigue
- Substance Use Disorders

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT05457803
- **Lead sponsor:** National Institute on Drug Abuse (NIDA)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2022-07-20
- **Primary completion:** 2022-12-15
- **Final completion:** 2022-12-15
- **Target enrollment:** 396 (ACTUAL)
- **Last updated:** 2025-07-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05457803

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05457803, "Real-world Momentary Assessment of Kratom Use Accompanied by Product Assays: A Natural-history Study for Interdisciplinary Characterization of Kratom Use and Pharmacology". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT05457803. Licensed CC0.

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