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Peeler CE, Gorgy M, Sadlak N, et al. A Pilot Study of Automated Pupillometry in the Treatment of Opioid Use Disorder. J Addict Med. 2021;15(6):477-483doi: 10.1097/ADM.0000000000000794.
Peeler, C. E., Gorgy, M., Sadlak, N., Sathe, S., Tamashunas, N., Fiorello, M. G., Cabral, H., Paasche-Orlow, M. K., & Weinstein, Z. M. (2021). A Pilot Study of Automated Pupillometry in the Treatment of Opioid Use Disorder. Journal of addiction medicine, 15(6), 477-483. https://doi.org/10.1097/ADM.0000000000000794
Peeler, Crandall E, et al. "A Pilot Study of Automated Pupillometry in the Treatment of Opioid Use Disorder." Journal of addiction medicine vol. 15,6 (2021): 477-483. doi: https://doi.org/10.1097/ADM.0000000000000794
Peeler CE, Gorgy M, Sadlak N, Sathe S, Tamashunas N, Fiorello MG, Cabral H, Paasche-Orlow MK, Weinstein ZM. A Pilot Study of Automated Pupillometry in the Treatment of Opioid Use Disorder. J Addict Med. 2021 Nov-Dec 01;15(6):477-483. doi: 10.1097/ADM.0000000000000794. PMID: 33323697; PMCID: PMC8562941.
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J Addict Med. 2021 Nov-Dec 01;15(6):477-483. doi: 10.1097/ADM.0000000000000794.

A Pilot Study of Automated Pupillometry in the Treatment of Opioid Use Disorder.

Journal of addiction medicine

Crandall E Peeler, Merit Gorgy, Natalie Sadlak, Shaleen Sathe, Nina Tamashunas, Marissa G Fiorello, Howard Cabral, Michael K Paasche-Orlow, Zoe M Weinstein

Affiliations

  1. Department of Ophthalmology, Boston Medical Center, Boston University School of Medicine, Boston, MA (CEP, MG, NS, SS, NT, MGF), Department of Neurology, Boston Medical Center, Boston University School of Medicine, Boston, MA (CEP), Department of Biostatistics, Boston Medical Center, Boston University School of Medicine, Boston, MA (HC), Department of Medicine, Boston Medical Center, Boston University School of Medicine, Boston, MA (MKP-O, ZMW).

PMID: 33323697 PMCID: PMC8562941 DOI: 10.1097/ADM.0000000000000794

Abstract

INTRODUCTION/BACKGROUND: A rough, visual estimate of pupil size is used in grading the severity of opioid withdrawal. Few studies have examined the clinical utility of more precise automated pupillometry measurements.

METHODS: This prospective cohort study enrolled 27 patients receiving opioid agonist therapy (OAT) to treat cravings or withdrawal during an acute hospitalization. Six sets of automated pupillometry measurements were obtained at regular intervals before and after administration of OAT. Clinical Opiate Withdrawal Scale measurements were performed pre and post OAT. Primary outcomes included pupil size in dark and bright illumination (mm). Latency of the pupillary light response (s), constriction and dilation velocity (mm/s), and percent constriction (%) were secondary outcomes.

RESULTS: The mean predosing pupil size in dark and bright illumination was 4.33 ± 1.40 mm and 2.96 ± 0.79 mm, respectively. A significantly decreased mean pupil size was first detected at 15 minutes postdosing (4.01 ± 1.34 mm, P = 0.0115 for dark illumination; 2.71 ± 0.72 mm, P = 0.0003 for bright illumination) and this reduction in pupil size persisted at later postdosing timepoints. Those with Clinical Opiate Withdrawal Scale <5 after dosing had a greater decrease in dark pupil size (10.6% ± 13.2 vs 3.2% ± 3.2, P = 0.043). There was no significant change in the remaining pupil reactivity parameters.

CONCLUSIONS: Automated pupillometry demonstrated a small but significant change in mean pupil size that occurred within 15 minutes of OAT dosing and was associated with low withdrawal scores. This pilot may inform future work to incorporate pupillometry measurement into OAT dosing assessments.

Copyright © 2020 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Society of Addiction Medicine.

Conflict of interest statement

The authors report no conflicts of interest.

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