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An Exploratory Study Comparing Two Nicotine Inhalers

2012년 7월 6일 업데이트: McNeil AB

A Proof of Concept With a New Nicotine Inhaler in Comparison With Nicotine Inhaler 10 mg

Subjects will be screened within 28 days before the first study treatment to confirm that they meet the requirements to participate in the trial. They will return to the site for two treatment visits, at least 12 hours each, and at least one day in between visits. At each visit treatment N1/3-I5 or Nicotine Inhaler 10 mg will be administered every hour for 11 hours. The investigator (or an appropriate delegate at the investigator site) will obtain informed consent from each subject. Blood samples will be drawn on a special schedule. The total predicted amount of blood sampled from each subject is 174 mL over the whole study. Subjects will be required to follow specific smoking and dietary restrictions and rate their urges to smoke, general liking of the product, and how easy the product is to use.

연구 개요

상태

완전한

정황

개입 / 치료

상세 설명

Blood for pharmacokinetic analyses will be drawn prior to the first administration and immediately before administration at 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11 hours. Thereafter samples will be drawn at 5, 10, 15, 20, 25, 30, 45, and 60 minutes after the 11-hour administration. Easiness of use will be rated using an 8-grade ordered category scale at 10 minutes after the start of administrations at 3, 6, and 9 hours. Overall liking will be rated using an 8-grade ordered category scale at 12 hours. Urges to smoke will be rated on a 4-grade ordered category scale immediately before and at 15 minutes after the first administration, and as well as before and 15 minutes after the start of administrations at 3, 6, and 9 hours, and at 12 hours. Used cartridges will be collected. Pooled samples per subject and treatment will be analyzed to determine the amount of remaining nicotine. Tolerability of the treatments will be evaluated in terms of reported and observed adverse events (AE).

Since the primary objective is to compare steady-state nicotine pharmacokinetics of N1/3-I5 with that of Nicotine Inhaler 10 mg, this study will have a multiple-dose setting. A crossover design has been chosen for this study in order to allow within-subject comparisons of treatments. Healthy habituated adults smoking at least 10 cigarettes daily for at least one year preceding inclusion will be included in the study, since they are expected to tolerate the doses of nicotine that will be administered.

연구 유형

중재적

등록 (실제)

36

단계

  • 초기 1단계

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 장소

  • 스웨덴
      • Lund, 스웨덴, 222 20
        • McNeil AB Clinical Pharmacology R&D

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

19년 (성인)

건강한 자원 봉사자를 받아들입니다

아니

연구 대상 성별

모두

설명

Inclusion Criteria:

  • Healthy (per protocol-specified parameters) male or female subjects between the ages of 19 and 50 years, inclusive.
  • Smoking of at least 10 cigarettes daily during at least one year preceding inclusion.
  • For females: Postmenopausal state or premenopausal/perimenopausal state with a protocol-specified effective means of contraception or declared absence of sexual contact with a male partner during the study.
  • For males: No pregnant spouse or partner at screening and willingness to protect potential spouse or partner from becoming pregnant during the study.
  • Body Mass Index (BMI) within protocol-specified parameters.
  • A personally signed and dated informed consent document indicating that the subject has been informed of all pertinent aspects of the study.
  • Willingness and ability to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures specified in the protocol

Exclusion Criteria:

  • Evidence or history of an acute or chronic medical or psychiatric condition or allergy or laboratory abnormality, or of use of drugs that, in the judgment of the investigator or an authorized study physician, may increase the risk associated with study participation or interfere with the interpretability of study results.
  • Females: Pregnancy, breast-feeding, premenopausal, or perimenopausal, state with insufficient contraception as specified under Inclusion Criteria.
  • Males: Pregnant spouse or partner or no willingness to prevent conception in a spouse or partner.
  • History of regular alcohol consumption outside the protocol-specified allowances.
  • Treatment with an investigational drug within 3 months preceding the first dose of study treatment.
  • Known sensitivity to heparin or history of heparin-induced thrombocytopenia.
  • Pathological oral status interfering with normal muscular, sensory, or absorptive function of the oral cavity. Piercing of tongue and lips is considered to impair oral function.
  • Relationship to persons involved directly with the conduct of the study, or their families.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 할당: 무작위
  • 중재 모델: 크로스오버 할당
  • 마스킹: 없음(오픈 라벨)

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: N1/3-I5
5 mg Inhalation during 10 minutes every hour for 11 hours with a puff frequency of four puffs per minute, with a 36-hour washout between visits
의약품: Nicotine
Nicotine 5 mg Inhaler
다른 이름들:
  • 아직 시판되지 않음
의약품: Nicotine
Nicotine 10 mg Inhaler
다른 이름들:
  • 아직 시판되지 않음
활성 비교기: NX-I10
10 mg Inhalation during 10 minutes every hour for 11 hours with a puff frequency of four puffs per minute, with a 36-hour washout between visits.
의약품: Nicotine
Nicotine 5 mg Inhaler
다른 이름들:
  • 아직 시판되지 않음
의약품: Nicotine
Nicotine 10 mg Inhaler
다른 이름들:
  • 아직 시판되지 않음

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Maximum Observed Plasma Concentration (Cmax)
기간: During last dosing interval 11-12 hours post-dose
Maximum Observed Plasma Concentration (Cmax), which is the maximum (peak) concentration (amount of drug) measurable in blood plasma after a dose is administered, measured in nanograms/milliliter (ng/mL)
During last dosing interval 11-12 hours post-dose
Average Concentration (Cav)
기간: During last dosing interval 11-12 hours post-dose

The average concentration of nicotine in the blood.

* The dosing interval (τ) in this study will be one (1) hour. Consequently, Cav will have the same value as AUCτ (but with a different unit), since Cav is calculated as AUCτ divided by τ. Therefore Cav will not be displayed in results, only AUCτ.
During last dosing interval 11-12 hours post-dose
Bioavailability [AUCτ]
기간: During last dosing interval 11-12 hours post-dose
AUCτ is the area under the plasma concentration-vs.-time curve during the last dosing interval and is a measure of how much of the drug reaches the person's bloodstream. The Area Under the Curve (AUC) is calculated by plotting the drug's blood levels on a graph at different times during the set period. The area under this curve is calculated as hour * nanograms (ng) per milliliter (mL).
During last dosing interval 11-12 hours post-dose

2차 결과 측정

결과 측정
측정값 설명
기간
Minimum Observed Plasma Concentration (Cmin)
기간: During last dosing interval 11-12 hours post-dose
Minimum Observed Plasma Concentration (Cmin), which is the minimum concentration (amount of drug) measurable in blood plasma after a dose is administered, measured in nanograms/milliliter (ng/mL)
During last dosing interval 11-12 hours post-dose
Time of Maximum Concentration (Tmax)
기간: During last dosing interval 11-12 hours post-dose
The time at which maximum concentration is reached (Tmax)
During last dosing interval 11-12 hours post-dose
Peak Trough Fluctuation (PTF)
기간: During last dosing interval 11-12 hours post-dose
Peak trough fluctuation within one dosing interval at steady state.
During last dosing interval 11-12 hours post-dose
Swing
기간: During last dosing interval 11-12 hours post-dose
Swing within one dosing interval at steady state.
During last dosing interval 11-12 hours post-dose
Baseline-corrected Pre-Dosing Plasma Concentration (Cn)
기간: 0 Minutes
Baseline-corrected nicotine plasma concentrations immediately before each user session (Cn)
0 Minutes
Residual Nicotine
기간: 12 hours
Used cartridges will be collected. Pooled samples per subject and treatment will be analyzed to determine the amount of remaining nicotine.
12 hours
Urges to Smoke
기간: During 12 hours
Subjects will rate their urges to smoke on a category scale from 1 to 4, where 1= No or very light urge to smoke, and 4= Very strong or extreme urge to smoke.
During 12 hours
Overall Liking
기간: at 12 hours
Overall Liking will be rated on a category scale from 1 to 8, where 1= extremely good and 8=extremely bad.
at 12 hours
Ease of Use
기간: During 9 hours
Ease of use will be rated at specific categorical time points, on a scale of 1-8, where 1= extremely easy and 8=extremely hard..
During 9 hours

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

McNeil AB

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작

2011년 11월 1일

기본 완료 (실제)

2011년 12월 1일

연구 완료 (실제)

2011년 12월 1일

연구 등록 날짜

최초 제출

2011년 11월 21일

QC 기준을 충족하는 최초 제출

2011년 11월 21일

처음 게시됨 (추정)

2011년 11월 23일

연구 기록 업데이트

마지막 업데이트 게시됨 (추정)

2012년 7월 10일

QC 기준을 충족하는 마지막 업데이트 제출

2012년 7월 6일

마지막으로 확인됨

2012년 7월 1일

추가 정보

이 연구와 관련된 용어

키워드

추가 관련 MeSH 약관

기타 연구 ID 번호

  • NICTDP0002
  • 2011-002796-41 (EudraCT 번호)

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

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위치

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