Table Info

Table 1.

Patient 1: serial biochemistries

Times the URL	3/12/2020 plasma	5/28/2021 plasma	9/24/2021 plasma	*Normal values pg/mL [nmol/L]**
Normetanephrine	15.6 (1,743)	0.6 [0.52]	0.6 [0.55]	18–112 [< 0.90]
Metanephrine	1.5 (91)	U	U	12–61 [< 0.50]
Norepinephrine		0.8 [563]	0.5 [400]	112–750
Dopamine		U	0.9 [25]	0–29
Epinephrine		U	U	0–50
Chromogranin A	4.9 (453)		0.9 [80]	< 93

Elevated values are bolded. * Note fractionated plasma values (e.g., fractionated metanephrines) are provided in picograms per milliliter in parenthesis (pg/mL) while total values (e.g., total metanephrines) are provided in nanomoles per liter in brackets [nmol/L]. Blank cells indicate an absence of laboratory data for the respective time point. URL: upper reference limit; U: undetectable/below the lower limit of the reference range

Declarations

Author contributions

KMC and KP: Conceptualization, Investigation, Writing—original draft, Writing—review & editing. MAN: Conceptualization, Investigation, Writing—original draft, Writing—review & editing, Supervision. AJ, MP, AL, and TP: Investigation, Data curation. ST: Writing—review & editing. MJMK: Investigation. ASA, AD, AC, JG, and JDR: Investigation, Writing—review & editing. All authors read and approved the submitted version.

Conflicts of interest

Prof. Karel Pacak is the Editor-in-Chief of Exploration of Endocrine and Metabolic Diseases, but he was not involved in the decision-making or review process of this manuscript.

Ethical approval

This study was part of a protocol (NCT00004847) approved by the National Institutes of Health Institutional Review Board (Protocol: 00-CH-0093).

Consent to participate

Informed consent to participate in the study was obtained from the parents (and or guardians) of the participants.

Consent to publication

Informed consent to publish this article was obtained from the parents (and or guardians) of the participants.

Availability of data and materials

The datasets that support the findings of this study are available from the corresponding author upon reasonable request.

Funding

This study was funded by the National Institutes of Health [Z1AHD008735]. This work was supported by the Intramural Research Program of the National Institutes of Health, Eunice Kennedy Shriver National Institute of Child Health and Human Development. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Copyright

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