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植物ベースの肉ミールと動物性肉ミールが健康な男性の勃起機能に及ぼす影響。 (ERECTION 2)

2026年11月2日 更新者:Montefiore Medical Center

The goal of this study is to determine whether erectile function is differentially impacted by a single plant-based meat meal versus a single animal meat meal in healthy men with normal erectile function.

調査の概要

詳細な説明

Visit 1 (Screening Visit):

After reviewing and signing consent, subjects will be screened for the study. Screening will consist of the following:

  • Complete IIEF
  • Record medical history, concomitant medications
  • Measure height and weight, calculate BMI
  • Vitals
  • A one-time blood draw of ~ 10 ml of blood will be performed during the screening visit for total testosterone, sex hormone binding globulin and Thyroid Stimulating Hormone.
  • Query subject regarding the presence of genital rash or lesions. Subjects will be asked, "do you have a rash or lesion on your penis or surrounding area?"

If the IIEF score is abnormal, subjects will be advised to contact their primary care provider.

If the STOP-BANG score identified intermediate or high risk for OSA, subjects will be advised to contact their primary care provider.

If the subject has insomnia, the subject will be given the recommendation to contact their primary care provider.

Each subject will be contacted by phone with their blood results. If abnormal, subject will be given the recommendation to contact their primary care provider.

If the subject has no primary care provider, contact information for primary care will be given.

Subjects meeting inclusion and exclusion criteria will be randomized into the study, into either sequence one or sequence two. Once enrolled, subjects will be asked to not modify their dietary habits throughout the duration of the study other than during the two evenings when food is provided (see below).

Sequence One:

Visit 2:

Subjects will return to the study center. Subjects will be asked not to use mouthwash and/or other breath fresheners that day. Anthropomorphic and blood pressure and heart rate recordings will be made.

Subjects will be taught how to use the Rigiscan™ device. Subjects will receive one plant-based dinner (food will be provided by Montefiore-Einstein Food Services.) Subjects will then leave the study center and will consume their usual diet until 4pm EST. Water will be the only beverage allowed after 4pm. Dinner should be consumed at 8:30pm, EST. That night, subjects will do a Rigiscan™ assessment overnight at their home. The time the subject goes to bed and the time the subject wakes up for the day should be recorded. The subject agrees to be in bed with Rigiscan™ on (other than for emergency or needed trips to the bathroom) for at least seven hours. After consuming the dinner, subject will only drink/consume water until the end of Rigiscan recording (at least 7 hours).

Visit 3:

Subjects will return to the study center the day after the Rigiscan™ assessment and bring the Rigiscan™ device with them. Anthropomorphic and blood pressure and heart rate recordings will be made.

There will then be a washout period for 5-8 days and subjects will be instructed to return to their usual dietary habits during this washout period.

Visit 4:

After the washout period, subjects will return to the study center. Subjects will have been asked not to use mouthwash and/or other breath fresheners that day. Anthropomorphic and blood pressure and heart rate recordings will be taken.

Subjects will receive one animal-based dinner (food will be provided by Montefiore-Einstein Food Services.) Subjects will then leave the study center and they will consume their usual diet until 4pm EST. Water will be the only beverage consumed after 4pm. Dinner should be consumed at 8:30pm, EST. That night, subjects will do a Rigiscan™ assessment overnight at their home. The time the subject goes to bed and the time the subject wakes up for the day should be recorded. The subject agrees to be in bed with Rigiscan™ on (other than for emergency or needed trips to the bathroom) for at least seven hours. After consuming the dinner, subject will only drink/consume water until the end of Rigiscan recording (at least 7 hours).

Visit 5 (End of Study):

Subjects will return to the study center the day after the Rigiscan™ assessment and bring the Rigiscan™ device with them. Anthropomorphic and blood pressure and heart rate recordings will be made.

Sequence Two is identical to Sequence One, except that the order of the plant-based and animal-based meals is reversed.

研究の種類

介入

入学 (実際)

30

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。

研究場所

    • New York
      • The Bronx、New York、アメリカ、10467
        • Montefiore Medical Center

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

18年~32年 (大人)

健康ボランティアの受け入れ

はい

受講資格のある性別

男

説明

Inclusion Criteria:

  • Subject provides written informed consent and HIPAA authorization in English before any study procedures are conducted. (If the subject is a fluent Spanish and/or other language speaker, subject must also be fluent in English (understanding and speaking) to be eligible for this study.)
  • IIEF score greater or equal to 22
  • Subject is currently taking no medication other than prn MDIs No change in supplements if applicable
  • Subject will have had penile sexual intercourse (either vaginal or anal penetration) within 12 weeks of enrollment
  • Male (biological) aged 18-32 years old
  • Lives within commuting distance of Montefiore Health System
  • Subject's significant other (if applicable) agrees to support the subject during the study
  • Subject agrees to avoid all illicit drugs, NSAIDS, and alcohol for at least two days prior to Rigiscan™ recording and on the days and nights of Rigiscan™ recording
  • Subject agrees to refrain from sexual activity for at least 24 hours prior to Rigiscan™ placement and to have no sexual activity on the days and nights of Rigiscan™ recording
  • Subject agrees to not view, read, or otherwise consume erotic or pornographic material for at least 24 hours prior to the days and nights of Rigiscan™ recording and on the days and nights of Rigiscan™ recording
  • Subject agrees to not have an orgasm for 24 hours prior to both the days and nights of Rigiscan™ recording and on the days and nights of Rigiscan™ recording
  • Subject agrees to come to Montefiore to undergo Rigiscan™ training
  • Subject agrees to only consume/drink permitted food/beverages
  • Subject agrees to attend all in person visits at Montefiore and to undergo all blood draws and other testing
  • Subject agrees to not use mouthwash or mouth rinses or intentionally spit for the entire duration of the study. Subjects will be asked to refrain from using mouthwash for at least 2 days prior to enrollment. Subject agrees to not brush his teeth and to not use toothpaste for 24 hours preceding Rigiscan testing. Tooth brushing is otherwise permissible.
  • BMI <28.5, BMI >=18.5, weight >110 lbs
  • Subject agrees to comply with the study procedures and visits
  • Subject exercises for at least 15 minutes at least two times per week
  • If exercise is done, subjects will exercise for the same amount of time and at a similar intensity each day of Rigiscan™ testing. Otherwise, no exercise will be performed on Rigiscan™ days.
  • If enrolled, subjects agree to not modify their dietary habits throughout the duration of the study other than during the two evenings when food is provided.
  • If enrolled, subjects agree to fast when requested to fast

Exclusion Criteria:

  • Relevant dietary allergy
  • Vegetarian or Vegan dietary pattern
  • History of an eating disorder and/or food addiction
  • Hypertension and or history of hypertension with or without medical treatment. Systolic blood pressure > 150mmHg and/or diastolic blood pressure >100mmHg on Visit one. Heart rate >99 on Visit one. Systolic blood pressure < 85mmHg and/or diastolic blood pressure < 50mmHg on Visit one. Heart rate < 35 on Visit one
  • BMI >=28.5, BMI <18.5, or weight <= 110lbs
  • Known chronic medical disease other than non-inflammatory musculoskeletal disease, asthma
  • Subjects who are taking benzodiazepines, stimulants (e.g. for ADHD), SSRI, anti-depressants and/or beta blockers
  • Obstructive sleep apnea (OSA) diagnosis or an ongoing evaluation for possible OSA
  • Score greater than 2 on the STOP-Bang OSA screening tool
  • Having the diagnosis of Restless Leg Syndrome
  • Having insomnia as defined by: Subject with insomnia would have difficulty initiating or maintaining sleep (30 minutes or more at sleep initiation or 30 minutes or more to fall back asleep if wakes during the night). The above occurs at least 3 times per week for at least 1 month. Furthermore, there must be adequate opportunity for sleep and there must be associated morbidity (feels tired during the day). Definition based on: The International Classification of Sleep Disorders - Third Edition (ICSD-3), 2014
  • History of kidney disease or hyperkalemia
  • Subject has received an investigational drug within 30 days prior to signing consent
  • Erectile dysfunction
  • Has any condition (e.g., psychiatric illness) or situation that, in the investigator's opinion, may confound the study results, or may interfere significantly with the patient's ability to adhere with study procedures
  • Currently undergoing treatment for Peyronie's Disease
  • Abnormal Testosterone or Thyroid Stimulating Hormone level
  • Treated hypogonadism or hypothyroidism
  • Planned travel during the study
  • History of substance abuse in the last 12 months
  • Illicit drug use, smoking, or vaping within 4 weeks
  • Upper respiratory illness within two weeks on screening
  • If profession requires being on call, no overnight or on call duties during the study
  • Subject reports any communicable skin or venereal disease
  • Transgender status (Individuals who have undergone or are undergoing hormone replacement therapy or who have undergone gender affirming surgery. Individuals who plan to begin hormone replacement therapy or to undergo gender affirming surgery during the study.)
  • HIV positive status via direct medical history
  • Subject reports rash or lesion on the penis or surrounding area

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:防止
  • 割り当て:ランダム化
  • 介入モデル:クロスオーバー割り当て
  • マスキング:独身

武器と介入

参加者グループ / アーム
介入・治療
アクティブコンパレータ:Plant-based

The plant-based arm consists of consuming one plant-based meat meal and then using the Rigiscan™ device to measure the frequency, rigidity, and duration of nocturnal erections.

The meal in the plant-based arm and the meal in the animal-based arm will differ only by whether the meal contains plant-based meat or animal meat.

Consuming a single plant-based meat or a single animal meat meal and measuring the meals impact on erectile function with the Rigiscan™ device.

他の名前:
  • ビヨンド・ミート製品は植物ベースの肉として使用され、モンテフィオーレ・アインシュタイン・フード・サービスによって提供されます。
アクティブコンパレータ:Animal-based

The animal-based arm consists of consuming one animal meat meal and then using the Rigiscan™ device to measure the frequency, rigidity, and duration of nocturnal erections.

The meal in the plant-based arm and the meal in the animal-based arm will differ only by whether the meal contains plant-based meat or animal meat.

Consuming a single plant-based meat or a single animal meat meal and measuring the meals impact on erectile function with the Rigiscan™ device.

他の名前:
  • 動物ベースの食事はモンテフィオーレ・アインシュタイン・フード・サービスによって提供されます。

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
Percent of time ≥50% erect during overnight Rigiscan™ use after 1 meal
時間枠:During overnight sleep directly after consuming 1 meal

The first 5 minutes of Rigiscan™ recording is discarded. Erection time is the total time (in minutes) when penile rigidity is ≥ 50% at both the tip and base of the penis with a concurrent increase in penile tumescence at both the tip and base of the penis compared to baseline tumescence as measured by Rigiscan™ during overnight Rigiscan™ use, divided by the total time (in minutes) of overnight Rigiscan™ use. Overnight Rigiscan™ use time is defined as starting 5 minutes after the start of the Rigiscan™ recording and the end of Rigiscan™ use is defined as the last time the tip or base was >=10% rigid with a corresponding concurrent increase in penile tumescence at the tip or base compared to baseline tumescence. This total time window from start to end is the Rigiscan™ use time

During overnight sleep directly after consuming 1 meal

二次結果の測定

結果測定
メジャーの説明
時間枠
Percent of time ≥60% erect during overnight Rigiscan™ use after 1 meal
時間枠:During overnight sleep directly after consuming 1 meal

The first 5 minutes of Rigiscan™ recording is discarded. Erection time is the total time (in minutes) when penile rigidity is ≥ 60% at both the tip and base of the penis with a concurrent increase in penile tumescence at both the tip and base of the penis compared to baseline tumescence as measured by Rigiscan™ during overnight Rigiscan™ use, divided by the total time (in minutes) of overnight Rigiscan™ use. Overnight Rigiscan™ use time is defined as starting 5 minutes after the start of the Rigiscan™ recording and the end of Rigiscan™ use is defined as the last time the tip or base was >=10% rigid with a corresponding concurrent increase in penile tumescence at the tip or base compared to baseline tumescence. This total time window from start to end is the Rigiscan™ use time.

During overnight sleep directly after consuming 1 meal
Percent of time ≥60% erect at base of the penis during overnight Rigiscan™ use after 1 meal
時間枠:During overnight sleep directly after consuming 1 meal

The first 5 minutes of Rigiscan™ recording is discarded. Erection time is the total time (in minutes) when penile base rigidity is ≥ 60% with a concurrent increase in penile tumescence at the base of the penis compared to baseline tumescence as measured by Rigiscan™ during overnight Rigiscan™ use, divided by the total time (in minutes) of overnight Rigiscan™ use. Overnight Rigiscan™ use time is defined as starting 5 minutes after the start of the Rigiscan™ recording and the end of Rigiscan™ use is defined as the last time the tip or base was >=10% rigid with a corresponding concurrent increase in penile tumescence at the tip or base compared to baseline tumescence. This total time window from start to end is the Rigiscan™ use time.

During overnight sleep directly after consuming 1 meal

その他の成果指標

結果測定
メジャーの説明
時間枠
Heart rate
時間枠:Pre and post overnight Rigiscan recording. Up to 7 months.

Comparing heart rate by dietary pattern at both time points after overnight sleep after consuming the 1 meal and compared to its respective baseline in beats/minute.

Pre and post overnight Rigiscan recording. Up to 7 months.
Blood pressure
時間枠:Pre and post overnight Rigiscan recording. Up to 7 months.

Comparing blood pressure (both systolic and diastolic) by dietary pattern at both time points after overnight sleep after consuming the 1 meal and compared to its respective baseline in mmHg.

Pre and post overnight Rigiscan recording. Up to 7 months.
Percent of time ≥10% erect during overnight Rigiscan™ use after 1 meal.
時間枠:During overnight sleep directly after consuming 1 meal.

The first 5 minutes of Rigiscan™ recording is discarded. Erection time is the total time (in minutes) when penile rigidity is ≥ 10% at both the tip and base of the penis with a concurrent increase in penile tumescence at both the tip and base of the penis compared to baseline tumescence as measured by Rigiscan™ during overnight Rigiscan™ use, divided by the total time (in minutes) of overnight Rigiscan™ use. Overnight Rigiscan™ use time is defined as starting 5 minutes after the start of the Rigiscan™ recording and the end of Rigiscan™ use is defined as the last time the tip or base was >=10% rigid with a corresponding concurrent increase in penile tumescence at the tip or base compared to baseline tumescence. This total time window from start to end is the Rigiscan™ use time.

During overnight sleep directly after consuming 1 meal.

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

捜査官

  • 主任研究者:Robert Ostfeld, MD, MSc、Montefiore Medical Center

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 (実際)

2024年9月19日

一次修了 (実際)

2026年10月28日

研究の完了 (実際)

2026年10月28日

試験登録日

最初に提出

2024年2月5日

QC基準を満たした最初の提出物

2024年2月16日

最初の投稿 (実際)

2024年2月22日

学習記録の更新

投稿された最後の更新 (実際)

2026年11月3日

QC基準を満たした最後の更新が送信されました

2026年11月2日

最終確認日

2026年11月1日

詳しくは

本研究に関する用語

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

いいえ

医薬品およびデバイス情報、研究文書

米国FDA規制医薬品の研究

いいえ

米国FDA規制機器製品の研究

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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