- ICH GCP
- Rejestr badań klinicznych w USA
- Badanie kliniczne NCT01122238
Identifying Treatments to Motivate Smokers to Quit (Motivation)
Identifying Optimal, Translatable Smoking Cessation Intervention Components
Przegląd badań
Status
Szczegółowy opis
This study used efficient research methods to screen four intervention components (Nicotine Patch, Nicotine Gum, Motivational Interviewing, Behavioral Reduction Counseling) that were designed to reduce smoking heaviness, enhance quitting success, and be easily translated into healthcare settings. These components were evaluated amongst smokers recruited in primary care who were unwilling to make a quit attempt, but who were willing to reduce their smoking. The main objective was to identify promising Motivation phase components for inclusion in a comprehensive chronic care smoking treatment.
Recruitment and Enrollment:
Participants were recruited from 11 primary care clinics in southern Wisconsin using existing rooming staff (i.e., medical assistants) who were prompted by electronic health record technology. During clinic visits, identified smokers were invited to participate in a research program to help them reduce their smoking. Interested patients were electronically referred to the research office. Research staff contacted interested patients and assessed eligibility. Eligible patients were invited to return to their primary care clinic to learn about the study, provide written informed consent, be randomized, and complete initial assessments. A database created a schedule of intervention and assessment contacts, which guided treatment delivery by case managers. The case managers in this study were bachelor's level research staff.
There was an initial 6-week Motivation phase treatment period, and participants could choose to extend the treatment for another 6 weeks (so Motivation phase treatment lasted either 6 or 12 weeks). Participants who chose to extend the treatment continued to receive the same components to which they were originally, randomly assigned. In addition, participants could elect to receive Cessation phase treatment at any point throughout the 6-month study period. Cessation phase treatment was identical for all participants and consisted of 8 weeks of nicotine patch + nicotine gum, and two brief phone counseling sessions.
Study Design:
This 2x2x2x2 factorial experiment had four factors each comprising an active (ON) condition and control (OFF) condition: 1) Nicotine Patch; 2) Nicotine Gum; 3) Motivational Interviewing; and 4) Behavioral Reduction Counseling, yielding 16 unique combinations of experimental conditions. Subjects were randomly assigned to one of the 16 experimental conditions, stratifying by gender. All treatment components were designed to be compatible with one another, and to be delivered with fidelity across all treatment combinations.
Experimental Factors:
Nicotine Patch vs. No Patch. Participants in the ON (active) condition were instructed to use 14-mg patches daily for the 6-week intervention period.
Nicotine Gum vs. No Gum. Participants in the ON condition were instructed to use 2-mg nicotine gum for the 6-week intervention period (≥9/day, 1 piece/1-2 hours) in place of smoking.
Motivational Interviewing (MI) vs. No MI. Participants in the ON condition received an initial 20-minute in-person counseling session followed by three 20-minute counseling calls over the 6-week intervention period. As per Miller and Rollnick (50, 51), the counseling sessions included motivation-building exercises to reinforce intrinsic motivation and to help participants overcome ambivalence about quitting.
Behavioral Reduction (BR) vs. No BR. Participants in the ON condition received an initial 20-minute in-person counseling session followed by 6 weekly 20-minute counseling calls. During these sessions, participants set smoking reduction goals and developed reduction strategies (e.g., delaying smoking, eliminating smoking in specific situations). Participants were also instructed to record daily smoking, which case managers used to identify successes and challenges.
Assessments:
Participants completed baseline assessments of vital signs, demographics, and smoking history and dependence (e.g., the Fagerström Test for Nicotine Dependence). During study visits, adverse events, medication adherence, and smoking in the past week were assessed. The last was used to determine the primary outcome of cigarettes smoked per day (CPD) at 12 and 26 weeks, as well as 7-day point-prevalence abstinence (no smoking for the past 7 days) at 26 weeks post study entry. Smoking heaviness reflects both smoking reduction and abstinence, and thus captures the net impact of treatment.
Typ studiów
Zapisy (Rzeczywisty)
Faza
- Faza 4
Kontakty i lokalizacje
Lokalizacje studiów
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Wisconsin
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Madison, Wisconsin, Stany Zjednoczone, 53711-2027
- University of Wisconsin Center for Tobacco Research and Intervention, School of Medicine and Public Health
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Kryteria uczestnictwa
Kryteria kwalifikacji
Wiek uprawniający do nauki
Akceptuje zdrowych ochotników
Płeć kwalifikująca się do nauki
Opis
Inclusion Criteria:
- 18 years of age or older;
- Report smoking at least 5 cigarettes per day for the previous 6 months;
- Able to read and write English;
- Available to take one phone call per week;
- Not currently interested in quitting smoking (defined as would not like to try to quit in the next 30 days),
- Plans to remain in the intervention catchment area for at least 12 months
- All women of childbearing potential will be required to agree to use an acceptable method of birth control to prevent pregnancy during the study.
Exclusion Criteria:
- Currently taking bupropion, Wellbutrin, chantix or varenicline (current use of NRT is not exclusionary if the participant agrees to use only study medication for the duration of the study);
- Study candidate is a pregnant, trying to get pregnant, or nursing;
- A history of psychosis or bipolar disorder
- A history of skin or allergic reactions while using a nicotine patch.
- Study candidate reports having a heart attack, stroke, or abnormal electrocardiogram within the past 4 weeks.
Plan studiów
Jak projektuje się badanie?
Szczegóły projektu
- Główny cel: Leczenie
- Przydział: Randomizowane
- Model interwencyjny: Przypisanie czynnikowe
- Maskowanie: Pojedynczy
Broń i interwencje
Grupa uczestników / Arm |
Interwencja / Leczenie |
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Eksperymentalny: 1, Nicotine Patch, Nicotine Gum, Reduction, MI
This arm of the project will address the following question: How effective is the following intervention? Nicotine Patch, Nicotine Gum, Smoking Reduction Counseling, and Motivational Interviewing (MI) |
Participants randomized to this condition will receive an initial MI counseling session during the in-person clinic visit followed by three counseling phone calls over the 6-week intervention period (a total of four intervention contacts).
The phone counseling sessions will occur during weeks 2, 4, and 6.
Case managers will engage the participant in a series of motivation building exercises such as reviewing feelings and thoughts about the pros and cons of quitting and smoking, reinforcing the positives of quitting, helping to dispel myths and concerns about the negatives of quitting, and posing questions about the "good" aspects of smoking.
Participants randomized to Smoking Reduction will receive an initial counseling session during the in-person visit followed by 6 weekly phone counseling sessions over the 6-week intervention period.
During the initial session, participants will be told that the goal is to reduce cigarette consumption by 50% over the course of the intervention (approximately 10% reduction per week).
During the initial meeting and subsequent counseling calls, case managers will work with participants to problem-solve strategies for reduction (e.g., increasing time between cigarettes, delaying smoking, or eliminating smoking in specific situations).
Participants will be asked to record information in a provided smoking log to help keep track of daily smoking patterns and as a feedback mechanism for identifying successes and challenges.
If randomized to both the Nicotine Patch and the Nicotine Gum conditions: Participants randomized to this condition will receive a 6-week supply of 14 mg patches and a 6-week supply of 2 mg gum at the initial visit. Participant will be instructed to use one patch daily and to use 10 pieces of gum daily for 6 weeks. |
Eksperymentalny: 2, Nicotine Patch, Nicotine Gum, Reduction, No MI
This arm of the project will address the following question: How effective is the following intervention? Nicotine Patch, Nicotine Gum, Smoking Reduction Counseling, and No Motivational Interviewing (MI) |
Participants randomized to this condition will receive an initial MI counseling session during the in-person clinic visit followed by three counseling phone calls over the 6-week intervention period (a total of four intervention contacts).
The phone counseling sessions will occur during weeks 2, 4, and 6.
Case managers will engage the participant in a series of motivation building exercises such as reviewing feelings and thoughts about the pros and cons of quitting and smoking, reinforcing the positives of quitting, helping to dispel myths and concerns about the negatives of quitting, and posing questions about the "good" aspects of smoking.
If randomized to both the Nicotine Patch and the Nicotine Gum conditions: Participants randomized to this condition will receive a 6-week supply of 14 mg patches and a 6-week supply of 2 mg gum at the initial visit. Participant will be instructed to use one patch daily and to use 10 pieces of gum daily for 6 weeks. |
Eksperymentalny: 3, Nicotine Patch, Nicotine Gum, No Reduction, MI
This arm of the project will address the following question: How effective is the following intervention? Nicotine Patch, Nicotine Gum, No Smoking Reduction Counseling, and Motivational Interviewing (MI) |
Participants randomized to Smoking Reduction will receive an initial counseling session during the in-person visit followed by 6 weekly phone counseling sessions over the 6-week intervention period.
During the initial session, participants will be told that the goal is to reduce cigarette consumption by 50% over the course of the intervention (approximately 10% reduction per week).
During the initial meeting and subsequent counseling calls, case managers will work with participants to problem-solve strategies for reduction (e.g., increasing time between cigarettes, delaying smoking, or eliminating smoking in specific situations).
Participants will be asked to record information in a provided smoking log to help keep track of daily smoking patterns and as a feedback mechanism for identifying successes and challenges.
If randomized to both the Nicotine Patch and the Nicotine Gum conditions: Participants randomized to this condition will receive a 6-week supply of 14 mg patches and a 6-week supply of 2 mg gum at the initial visit. Participant will be instructed to use one patch daily and to use 10 pieces of gum daily for 6 weeks. |
Eksperymentalny: 4, Nicotine Patch, Nicotine Gum, No Reduction, No MI
This arm of the project will address the following question: How effective is the following intervention? Nicotine Patch, Nicotine Gum, No Smoking Reduction Counseling, and No Motivational Interviewing (MI) |
If randomized to both the Nicotine Patch and the Nicotine Gum conditions: Participants randomized to this condition will receive a 6-week supply of 14 mg patches and a 6-week supply of 2 mg gum at the initial visit. Participant will be instructed to use one patch daily and to use 10 pieces of gum daily for 6 weeks. |
Eksperymentalny: 5, Nicotine Patch, No Nicotine Gum, Reduction, MI
This arm of the project will address the following question: How effective is the following intervention? Nicotine Patch, No Nicotine Gum, Smoking Reduction Counseling, and Motivational Interviewing (MI) |
Participants randomized to this condition will receive an initial MI counseling session during the in-person clinic visit followed by three counseling phone calls over the 6-week intervention period (a total of four intervention contacts).
The phone counseling sessions will occur during weeks 2, 4, and 6.
Case managers will engage the participant in a series of motivation building exercises such as reviewing feelings and thoughts about the pros and cons of quitting and smoking, reinforcing the positives of quitting, helping to dispel myths and concerns about the negatives of quitting, and posing questions about the "good" aspects of smoking.
Participants randomized to Smoking Reduction will receive an initial counseling session during the in-person visit followed by 6 weekly phone counseling sessions over the 6-week intervention period.
During the initial session, participants will be told that the goal is to reduce cigarette consumption by 50% over the course of the intervention (approximately 10% reduction per week).
During the initial meeting and subsequent counseling calls, case managers will work with participants to problem-solve strategies for reduction (e.g., increasing time between cigarettes, delaying smoking, or eliminating smoking in specific situations).
Participants will be asked to record information in a provided smoking log to help keep track of daily smoking patterns and as a feedback mechanism for identifying successes and challenges.
If randomized to only the Nicotine Patch condition (and not the Nicotine Gum): Participants randomized to this condition will receive a 6-week supply of 14 mg patches at the initial visit. Participant will be instructed to use one patch daily for 6 weeks. |
Eksperymentalny: 6, Nicotine Patch, No Nicotine Gum, Reduction, No MI
This arm of the project will address the following question: How effective is the following intervention? Nicotine Patch, No Nicotine Gum, Smoking Reduction Counseling, and No Motivational Interviewing (MI) |
Participants randomized to this condition will receive an initial MI counseling session during the in-person clinic visit followed by three counseling phone calls over the 6-week intervention period (a total of four intervention contacts).
The phone counseling sessions will occur during weeks 2, 4, and 6.
Case managers will engage the participant in a series of motivation building exercises such as reviewing feelings and thoughts about the pros and cons of quitting and smoking, reinforcing the positives of quitting, helping to dispel myths and concerns about the negatives of quitting, and posing questions about the "good" aspects of smoking.
If randomized to only the Nicotine Patch condition (and not the Nicotine Gum): Participants randomized to this condition will receive a 6-week supply of 14 mg patches at the initial visit. Participant will be instructed to use one patch daily for 6 weeks. |
Eksperymentalny: 7, Nicotine Patch, No Nicotine Gum, No Reduction, MI
This arm of the project will address the following question: How effective is the following intervention? Nicotine Patch, No Nicotine Gum, No Smoking Reduction Counseling, and Motivational Interviewing (MI) |
Participants randomized to Smoking Reduction will receive an initial counseling session during the in-person visit followed by 6 weekly phone counseling sessions over the 6-week intervention period.
During the initial session, participants will be told that the goal is to reduce cigarette consumption by 50% over the course of the intervention (approximately 10% reduction per week).
During the initial meeting and subsequent counseling calls, case managers will work with participants to problem-solve strategies for reduction (e.g., increasing time between cigarettes, delaying smoking, or eliminating smoking in specific situations).
Participants will be asked to record information in a provided smoking log to help keep track of daily smoking patterns and as a feedback mechanism for identifying successes and challenges.
If randomized to only the Nicotine Patch condition (and not the Nicotine Gum): Participants randomized to this condition will receive a 6-week supply of 14 mg patches at the initial visit. Participant will be instructed to use one patch daily for 6 weeks. |
Eksperymentalny: 8, Nicotine Patch, No Nicotine Gum, No Reduction, No MI
This arm of the project will address the following question: How effective is the following intervention? Nicotine Patch, No Nicotine Gum, No Smoking Reduction Counseling, and No Motivational Interviewing (MI) |
If randomized to only the Nicotine Patch condition (and not the Nicotine Gum): Participants randomized to this condition will receive a 6-week supply of 14 mg patches at the initial visit. Participant will be instructed to use one patch daily for 6 weeks. |
Eksperymentalny: 9, No Nicotine Patch, Nicotine Gum, Reduction, MI
This arm of the project will address the following question: How effective is the following intervention? No Nicotine Patch, Nicotine Gum, Smoking Reduction Counseling, and Motivational Interviewing (MI) |
Participants randomized to this condition will receive an initial MI counseling session during the in-person clinic visit followed by three counseling phone calls over the 6-week intervention period (a total of four intervention contacts).
The phone counseling sessions will occur during weeks 2, 4, and 6.
Case managers will engage the participant in a series of motivation building exercises such as reviewing feelings and thoughts about the pros and cons of quitting and smoking, reinforcing the positives of quitting, helping to dispel myths and concerns about the negatives of quitting, and posing questions about the "good" aspects of smoking.
Participants randomized to Smoking Reduction will receive an initial counseling session during the in-person visit followed by 6 weekly phone counseling sessions over the 6-week intervention period.
During the initial session, participants will be told that the goal is to reduce cigarette consumption by 50% over the course of the intervention (approximately 10% reduction per week).
During the initial meeting and subsequent counseling calls, case managers will work with participants to problem-solve strategies for reduction (e.g., increasing time between cigarettes, delaying smoking, or eliminating smoking in specific situations).
Participants will be asked to record information in a provided smoking log to help keep track of daily smoking patterns and as a feedback mechanism for identifying successes and challenges.
If randomized to only the Nicotine Gum condition (and not the Nicotine Patch): Participants randomized to this condition will receive a 6-week supply of 2 mg gum at the initial visit. Participants will be instructed to use 10 pieces of gum daily for 6 weeks. |
Eksperymentalny: 10, No Nicotine Patch, Nicotine Gum, Reduction, No MI
This arm of the project will address the following question: How effective is the following intervention? No Nicotine Patch, Nicotine Gum, Smoking Reduction Counseling, and No Motivational Interviewing (MI) |
Participants randomized to this condition will receive an initial MI counseling session during the in-person clinic visit followed by three counseling phone calls over the 6-week intervention period (a total of four intervention contacts).
The phone counseling sessions will occur during weeks 2, 4, and 6.
Case managers will engage the participant in a series of motivation building exercises such as reviewing feelings and thoughts about the pros and cons of quitting and smoking, reinforcing the positives of quitting, helping to dispel myths and concerns about the negatives of quitting, and posing questions about the "good" aspects of smoking.
If randomized to only the Nicotine Gum condition (and not the Nicotine Patch): Participants randomized to this condition will receive a 6-week supply of 2 mg gum at the initial visit. Participants will be instructed to use 10 pieces of gum daily for 6 weeks. |
Eksperymentalny: 11, No Nicotine Patch, Nicotine Gum, No Reduction, MI
This arm of the project will address the following question: How effective is the following intervention? No Nicotine Patch, Nicotine Gum, No Smoking Reduction Counseling, and Motivational Interviewing (MI) |
Participants randomized to Smoking Reduction will receive an initial counseling session during the in-person visit followed by 6 weekly phone counseling sessions over the 6-week intervention period.
During the initial session, participants will be told that the goal is to reduce cigarette consumption by 50% over the course of the intervention (approximately 10% reduction per week).
During the initial meeting and subsequent counseling calls, case managers will work with participants to problem-solve strategies for reduction (e.g., increasing time between cigarettes, delaying smoking, or eliminating smoking in specific situations).
Participants will be asked to record information in a provided smoking log to help keep track of daily smoking patterns and as a feedback mechanism for identifying successes and challenges.
If randomized to only the Nicotine Gum condition (and not the Nicotine Patch): Participants randomized to this condition will receive a 6-week supply of 2 mg gum at the initial visit. Participants will be instructed to use 10 pieces of gum daily for 6 weeks. |
Eksperymentalny: 12, No Nicotine Patch, Nicotine Gum, No Reduction, No MI
This arm of the project will address the following question: How effective is the following intervention? No Nicotine Patch, Nicotine Gum, No Smoking Reduction Counseling, and No Motivational Interviewing (MI) |
If randomized to only the Nicotine Gum condition (and not the Nicotine Patch): Participants randomized to this condition will receive a 6-week supply of 2 mg gum at the initial visit. Participants will be instructed to use 10 pieces of gum daily for 6 weeks. |
Eksperymentalny: 13, No Nicotine Patch, No Nicotine Gum, Reduction, MI
This arm of the project will address the following question: How effective is the following intervention? No Nicotine Patch, No Nicotine Gum, Smoking Reduction Counseling, and Motivational Interviewing (MI) |
Participants randomized to this condition will receive an initial MI counseling session during the in-person clinic visit followed by three counseling phone calls over the 6-week intervention period (a total of four intervention contacts).
The phone counseling sessions will occur during weeks 2, 4, and 6.
Case managers will engage the participant in a series of motivation building exercises such as reviewing feelings and thoughts about the pros and cons of quitting and smoking, reinforcing the positives of quitting, helping to dispel myths and concerns about the negatives of quitting, and posing questions about the "good" aspects of smoking.
Participants randomized to Smoking Reduction will receive an initial counseling session during the in-person visit followed by 6 weekly phone counseling sessions over the 6-week intervention period.
During the initial session, participants will be told that the goal is to reduce cigarette consumption by 50% over the course of the intervention (approximately 10% reduction per week).
During the initial meeting and subsequent counseling calls, case managers will work with participants to problem-solve strategies for reduction (e.g., increasing time between cigarettes, delaying smoking, or eliminating smoking in specific situations).
Participants will be asked to record information in a provided smoking log to help keep track of daily smoking patterns and as a feedback mechanism for identifying successes and challenges.
|
Eksperymentalny: 14, No Nicotine Patch, No Nicotine Gum, Reduction, No MI
This arm of the project will address the following question: How effective is the following intervention? No Nicotine Patch, No Nicotine Gum, Smoking Reduction Counseling, and No Motivational Interviewing (MI) |
Participants randomized to this condition will receive an initial MI counseling session during the in-person clinic visit followed by three counseling phone calls over the 6-week intervention period (a total of four intervention contacts).
The phone counseling sessions will occur during weeks 2, 4, and 6.
Case managers will engage the participant in a series of motivation building exercises such as reviewing feelings and thoughts about the pros and cons of quitting and smoking, reinforcing the positives of quitting, helping to dispel myths and concerns about the negatives of quitting, and posing questions about the "good" aspects of smoking.
|
Eksperymentalny: 15, No Nicotine Patch, No Nicotine Gum, No Reduction, MI
This arm of the project will address the following question: How effective is the following intervention? No Nicotine Patch, No Nicotine Gum, No Smoking Reduction Counseling, and Motivational Interviewing (MI) |
Participants randomized to Smoking Reduction will receive an initial counseling session during the in-person visit followed by 6 weekly phone counseling sessions over the 6-week intervention period.
During the initial session, participants will be told that the goal is to reduce cigarette consumption by 50% over the course of the intervention (approximately 10% reduction per week).
During the initial meeting and subsequent counseling calls, case managers will work with participants to problem-solve strategies for reduction (e.g., increasing time between cigarettes, delaying smoking, or eliminating smoking in specific situations).
Participants will be asked to record information in a provided smoking log to help keep track of daily smoking patterns and as a feedback mechanism for identifying successes and challenges.
|
Eksperymentalny: 16, No Nicotine Patch, No Nicotine Gum, No Reduction, No MI
This arm of the project will address the following question: How effective is the following intervention? No Nicotine Patch, No Nicotine Gum, No Smoking Reduction Counseling, and No Motivational Interviewing (MI) |
Brak interwencji
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Co mierzy badanie?
Podstawowe miary wyniku
Miara wyniku |
Opis środka |
Ramy czasowe |
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Percent Change in Cigarettes Smoked Per Day (CPD)
Ramy czasowe: Assessed at week 26 relative to baseline CPD.
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Percent Change in Cigarettes Smoked Per Day (CPD) is computed as the percent change in self-reported cigarettes smoked per day at the assessment endpoint relative to baseline CPD; this outcome will be analyzed in a linear regression analysis model. Note: This Percent change in Cigarettes Smoked Per Day (CPD) primary outcome replaces "average number of cigarettes per day in the past week" (now designated as a secondary outcome) because the percent change metric allows better comparison with prior research in this area and the results for both outcomes are highly similar. |
Assessed at week 26 relative to baseline CPD.
|
Miary wyników drugorzędnych
Miara wyniku |
Ramy czasowe |
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Average Number of Cigarettes Per Day in the Past Week.
Ramy czasowe: Assessed at baseline and week 26.
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Assessed at baseline and week 26.
|
Współpracownicy i badacze
Sponsor
Współpracownicy
Śledczy
- Dyrektor Studium: Jessica Cook, PhD, University of Wisconsin Center for Tobacco Research and Intervention, School of Medicine and Public Health
- Główny śledczy: Robin Mermelstein, PhD, Institute for Health Research and Policy, University of Illinois at Chicago
- Krzesło do nauki: Michael C. Fiore, MD, MPH, MBA, University of Wisconsin Center for Tobacco Research and Intervention, School of Medicine and Public Health
Publikacje i pomocne linki
Daty zapisu na studia
Główne daty studiów
Rozpoczęcie studiów
Zakończenie podstawowe (Rzeczywisty)
Ukończenie studiów (Rzeczywisty)
Daty rejestracji na studia
Pierwszy przesłany
Pierwszy przesłany, który spełnia kryteria kontroli jakości
Pierwszy wysłany (Oszacować)
Aktualizacje rekordów badań
Ostatnia wysłana aktualizacja (Oszacować)
Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości
Ostatnia weryfikacja
Więcej informacji
Terminy związane z tym badaniem
Słowa kluczowe
Dodatkowe istotne warunki MeSH
- Zaburzenia psychiczne
- Zaburzenia wywołane chemicznie
- Zaburzenia związane z substancjami
- Zaburzenia związane z używaniem tytoniu
- Fizjologiczne skutki leków
- Agentów neuroprzekaźników
- Molekularne mechanizmy działania farmakologicznego
- Agenci autonomiczni
- Agenty obwodowego układu nerwowego
- Środki cholinergiczne
- Stymulatory ganglionowe
- Agoniści nikotynowi
- Agoniści cholinergiczni
- Nikotyna
Inne numery identyfikacyjne badania
- H-2009-0203
- 9P50CA143188 (Grant/umowa NIH USA)
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