# Pathophysiology of Orthostatic Intolerance

> **NCT00608725** · NA · ACTIVE_NOT_RECRUITING · sponsor: **Satish R. Raj** · enrollment: 260 (actual)

## Conditions studied

- Tachycardia
- Postural Orthostatic Tachycardia Syndrome

## Interventions

- **RADIATION:** DAXOR
- **PROCEDURE:** QSweat
- **DRUG:** Intrinsic Heart Rate

## Key facts

- **NCT ID:** NCT00608725
- **Lead sponsor:** Satish R. Raj
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 1996-12
- **Primary completion:** 2029-12
- **Final completion:** 2029-12
- **Target enrollment:** 260 (ACTUAL)
- **Last updated:** 2025-10-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00608725

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00608725, "Pathophysiology of Orthostatic Intolerance". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT00608725. Licensed CC0.

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