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Evaluating the Effect of Nicotine on Eye Movements and Related Behaviors in Electronic Cigarette Users, NICS-EYES Trial

2026年5月18日 更新者：Patrick Tomko、Ohio State University Comprehensive Cancer Center

Nicotine Effects on Eye Movements and Self-Report Measures (NICS-EYES)

This clinical trial evaluates the effect of nicotine on eye movements and related behaviors in people who use electronic (e)-cigarettes. Nicotine is an addictive, poisonous chemical found in tobacco. It can also be made in the laboratory. When it enters the body, nicotine causes an increased heart rate and the use of oxygen by the heart and a sense of well-being and relaxation. E-cigarettes are the most commonly used tobacco products in young adults in the United States. E-cigarettes deliver nicotine rapidly and the potential for addiction (abuse liability) is comparable to combustible cigarettes. The Food and Drug Administration uses a combination of testing including self-reported scales, withdrawal assessments and behavioral tasks to evaluate the abuse liability of a nicotine product. Research has shown that nicotine alters movement of the eye (oculomotor) and the amount of nicotine in the blood impacts the extent of oculomotor function impairment. Despite this evidence linking nicotine to oculomotor changes, it has not been studied as a reliable marker for abuse in e-cigarette users. Studying eye movements can provide information about how the brain responds to nicotine and may help researchers develop better, more objective ways to measure how addictive nicotine products in e-cigarette users.

調査の概要

状態

まだ募集していません

条件

介入・治療

詳細な説明

PRIMARY OBJECTIVE:

I. To determine the between-session reliability of oculomotor biomarkers during standardized nicotine administration in daily e-cigarette users.

SECONDARY OBJECTIVES:

I. To evaluate the association between oculomotor (OM) responses to nicotine and behavioral economic indices of reinforcing value.

II. To assess the relationship between oculomotor changes and nicotine withdrawal relief.

OUTLINE:

Participants abstain from nicotine for at least 12 hours and caffeine products for at least 2 hours, as well as obtain sleep for at least 5-6 hours before each study visit. Participants self-administer 5% nicotine non-mint menthol pods via an e-cigarette device using a guided standardized puffing routine over 5 minutes on visit one. At least 48 hours later, participants complete the same 5-minute guided puffing routine as in visit one and then use an e-cigarette as they normally would over 30 minutes at visit two. Participants also complete eye movement testing and undergo blood sample collection during each visit.

研究の種類

介入

入学 (推定)

25

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

研究場所

  • アメリカ
    • Ohio
      • Columbus、Ohio、アメリカ、43210
        • Ohio State University Comprehensive Cancer Center
        • コンタクト：
        • 主任研究者：
          • Patrick Tomko, PhD, CSCS

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 大人

健康ボランティアの受け入れ

いいえ

説明

Inclusion Criteria:

  • Age 21-50 years
  • Daily use of nicotine-containing electronic cigarettes for ≥ 6 months
  • Ability to abstain from nicotine for at least 12 hours prior to study visits
  • Fluent in English
  • Willingness to complete two in-person laboratory visits and all study procedures
  • Ability to provide informed consent

Exclusion Criteria:

  • Use of combustible cigarettes or other tobacco/nicotine products on more than 5 of the past 30 days
  • Current enrollment in a nicotine cessation program or intent to quit in the next 30 days
  • Neurological conditions affecting eye movements (seizure disorder, movement disorders, head injury with loss of consciousness)
  • Normal or corrected-to-normal vision required; significant uncorrected visual impairment or ocular conditions affecting eye tracking
  • Cardiovascular conditions for which nicotine use is contraindicated, substance use disorder (other than nicotine), or current nicotine cessation treatment
  • Pregnancy or breastfeeding
  • Current medications affecting pupil size or eye movements (anticholinergics, stimulants, antipsychotics)
  • Any condition that, in the investigator's judgment, would interfere with safe participation
  • Age younger than 21 years or older than 50 years

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか？

デザインの詳細

  • 主な目的：基礎科学
  • 割り当て：なし
  • 介入モデル：単一グループの割り当て
  • マスキング：なし（オープンラベル）

武器と介入

参加者グループ / アーム
介入・治療
実験的：Basic science (e-cigarette smoking, eye movement testing)
Participants abstain from nicotine for at least 12 hours and caffeine products for at least 2 hours, as well as obtain sleep for at least 5-6 hours before each study visit. Participants self-administer 5% nicotine mint menthol via an e-cigarette device using a guided standardized puffing routine over 5 minutes on visit one. At least 48 hours later, participants complete the same 5-minute guided puffing routine as in visit one and then use an e-cigarette as they normally would over 30 minutes at visit two. Participants also complete eye movement testing and undergo blood sample collection during each visit.
他の：アンケート管理
補助研究
手順：生物標本コレクション
採血を受ける
他の名前：
  • 生物学的サンプルの収集
  • 採取された生体試料
  • 標本収集
  • サンプル収集
行動：Avoidance
Abstain from caffeine products
他の名前：
  • Avoided
行動：Cigarette Smoking
Complete self-administer 5% nicotine non-mint menthol pods via an e-cigarette device
手順：Eye Movement Measurement
Complete eye movement testing
行動：Healthcare Activity
Obtain sleep
他の名前：
  • ヘルスケア活動
  • 健康管理
  • Health Care
行動：Refrain from Smoking
Abstain from nicotine
他の名前：
  • Abstain from Smoking
  • Abstinence from Cigarette Smoking
  • Abstinence from Cigarettes
  • Smoking Abstinence
他の：Vaping
Complete ad-libitum e-cigarette vaping
他の名前：
  • アーク
薬：Standardized E-Cigarette Nicotine Administration
Participants use a e-cigarette 5.0% nicotine mint menthol pods. Visit 1: 5-minute guided puffing session (standardized protocol). Visit 2: 5-minute guided session followed by 30-minute ad-libitum vaping phase. Puffing topography monitored via SPA-Neo device.

この研究は何を測定していますか？

主要な結果の測定

結果測定
メジャーの説明
時間枠
Change in prosaccade latency and velocity
時間枠：At baseline and at 5, 15 and 30 minutes post-nicotine administration, assessed up to completion of visit 2, up to 3 weeks
Reliability will be assessed using intraclass correlation coefficients (ICCs). Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures analysis of variance (ANOVA), as appropriate. Associations between oculomotor outcomes and behavioral economic measures will be examined using correlation and regression analyses.
At baseline and at 5, 15 and 30 minutes post-nicotine administration, assessed up to completion of visit 2, up to 3 weeks
Change in antisaccade error rate and latency
時間枠：At baseline and at 5, 15 and 30 minutes post-nicotine administration
Reliability will be assessed using ICCs. Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations between oculomotor outcomes and behavioral economic measures will be examined using correlation and regression analyses.
At baseline and at 5, 15 and 30 minutes post-nicotine administration
Change in smooth pursuit gain across two laboratory sessions
時間枠：At baseline and at 5, 15 and 30 minutes post-nicotine administration
Reliability will be assessed using ICCs. Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations between oculomotor outcomes, plasma nicotine concentrations, subjective ratings, and behavioral economic measures will be examined using correlation and regression analyses.
At baseline and at 5, 15 and 30 minutes post-nicotine administration
Change in oculomotor performance
時間枠：At baseline and at 5, 15 and 30 minutes post-nicotine administration
Reliability will be assessed using ICCs. Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations between oculomotor outcomes, plasma nicotine concentrations, subjective ratings, and behavioral economic measures will be examined using correlation and regression analyses.
At baseline and at 5, 15 and 30 minutes post-nicotine administration
Plasma nicotine maximum concentration
時間枠：Up to completion of visit 2, up to 3 weeks
Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations between plasma nicotine concentrations and behavioral economic measures will be examined using correlation and regression analyses.
Up to completion of visit 2, up to 3 weeks
Time to maximum concentration of plasma nicotine
時間枠：Up to completion of visit 2, up to 3 weeks
Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations between plasma nicotine concentrations and behavioral economic measures will be examined using correlation and regression analyses.
Up to completion of visit 2, up to 3 weeks
Plasma nicotine area under the curve
時間枠：Up to completion of visit 2, up to 3 weeks
Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations between plasma nicotine concentrations and behavioral economic measures will be examined using correlation and regression analyses.
Up to completion of visit 2, up to 3 weeks
Subjective drug liking ratings
時間枠：Up to completion of visit 2, up to 3 weeks
Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations between subjective ratings and behavioral economic measures will be examined using correlation and regression analyses.
Up to completion of visit 2, up to 3 weeks

二次結果の測定

結果測定
メジャーの説明
時間枠
Electronic (E)-cigarette intensity demand
時間枠：Up to completion of visit 2, up to 3 weeks
Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations will be examined using correlation and regression analyses.
Up to completion of visit 2, up to 3 weeks
E-cigarette Omax
時間枠：Up to completion of visit 2, up to 3 weeks
Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations will be examined using correlation and regression analyses.
Up to completion of visit 2, up to 3 weeks
E-cigarette demand breakpoint
時間枠：Up to completion of visit 2, up to 3 weeks
Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations will be examined using correlation and regression analyses.
Up to completion of visit 2, up to 3 weeks
Change in Minnesota Nicotine Withdrawal Scale scores
時間枠：From baseline and following nicotine administration, assessed up to completion of visit 2, up to 3 weeks
The Minnesota Nicotine Withdrawal Scale (MNWS) will asses nicotine withdrawal and craving, anger/irritability, anxiety, depressed mood, restlessness/difficulty concentrating, increased appetite, sleep problems, and somatic symptoms (nausea, constipation, sore throat, dizziness, coughing). Scores range from 0 to 4 with higher scores indicating greater levels of withdrawal. Changes will be evaluated using repeated-measures analyses, including mixed-effects models or repeated-measures ANOVA, as appropriate. Associations will be examined using correlation and regression analyses.
From baseline and following nicotine administration, assessed up to completion of visit 2, up to 3 weeks

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

Ohio State University Comprehensive Cancer Center

捜査官

  • 主任研究者：Patrick Tomko, PhD, CSCS、Ohio State University Comprehensive Cancer Center

出版物と役立つリンク

研究に関する情報を入力する責任者は、自発的にこれらの出版物を提供します。これらは、研究に関連するあらゆるものに関するものである可能性があります。

便利なリンク

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (推定)

2026年8月1日

一次修了 (推定)

2027年12月31日

研究の完了 (推定)

2027年12月31日

試験登録日

最初に提出

2026年5月18日

QC基準を満たした最初の提出物

2026年5月18日

最初の投稿 (実際)

2026年5月22日

学習記録の更新

投稿された最後の更新 (実際)

2026年5月22日

QC基準を満たした最後の更新が送信されました

2026年5月18日

最終確認日

2026年5月1日

詳しくは

本研究に関する用語

追加の関連 MeSH 用語

その他の研究ID番号

  • OSU-26020
  • NCI-2026-03442 (レジストリ識別子：CTRP (Clinical Trial Reporting Program))
  • STUDY20252989

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はい

米国で製造され、米国から輸出された製品。

いいえ

この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。

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