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COMBIVAR. Trial of two parallel groups to evaluate the efficacy of smoking cessation with combined versus monotherapy

COMBIVAR. Randomized double-blind trial of two parallel groups design to evaluate the efficacy of smoking cessation with combined (varenicline plus nicotine patches) versus monotherapy (varenicline) - COMBIVAR

Status
Not yet recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2011-004692-36-ES
Enrollment
Unknown
Registered
2011-10-13
Start date
2011-11-30
Completion date
Unknown
Last updated
2012-03-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

NICOTINE DEPENDENCE. MedDRA version: 14.0 Level: LLT Classification code 10032707 Term: Other specified drug dependence, continuous use System Organ Class: 10037175 - Psychiatric disorders MedDRA version: 14.0 Level: LLT Classification code 10012336 Term: Dependence addictive System Organ Class: 10037175 - Psychiatric disorders

Interventions

Trade Name: CHAMPIX Product Name: VARENICLINE Product Code: SUB25195 Pharmaceutical Form: Tablet INN or Proposed INN: VARENICLINE CAS Number: 249296-44-4 Concentration unit: mg milligram(s) Concentrat

Sponsors

HOSPITAL UNIVERSITARI DE BELLVITGE
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: i) Aged 18 to 65 years old ii) Smoking 20 or more cigarettes per day, who wants to stop smoking (seeking treatment), and who has no period of smoking abstinence longer than 3 months in the past year. iii)Be able to give informed consent to participate and to complete the study questionnaires. Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 322 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: i) Previous use of nicotine transdermal patches or varenicline (VRN) in the last 6 months ii) Cigar, pipe and oral tobacco users who do not smoke 20 or more cigarettes per day iii) Those who meet the criteria contra-indicating nicotine patches or VRN use

Design outcomes

Primary

MeasureTime frame
Main Objective: To determine the efficacy of combined therapy (VRN+nicotine patches) versus monotherapy (VRN+placebo patches) in smoking cessation assessed as continuous abstinence rate (CAR) from week 2 to week 12;Secondary Objective: i) To determine safety of combined therapy (VRN+nicotine patches) versus monotherapy (VRN+placebo patches) ii) To determine the withdrawal and craving relief according to combined therapy (VRN+nicotine patches) or monotherapy (VRN+placebo patches). iii) To determine the efficacy of combined therapy (VRN+nicotine patches) versus monotherapy (VRN+placebo patches) assessed as continuous abstinence rate (CAR) at long time (52 weeks). iv) To determine the efficacy of combined therapy (VRN+nicotine patches) versus monotherapy (VRN+placebo patches) according to 3OHcotinine/Cotinine ratio.;Primary end point(s): To idetermine continuous abstinence rate (CAR) from week 2 to week 12 measured objectively by the CO exhaled;Timepoint(s) of evaluation of this end point: Biweekly at visits or weeks 2 (w2), 3 (w4), 4 (w6), 5 (w8), 6 (w10) and 7 (w12).

Secondary

MeasureTime frame
Timepoint(s) of evaluation of this end point: At visits or weeks 1 (w1), 7 (w12), 8 (w24), and 11 (w52).;Secondary end point(s): To determine efficacy, safety and cravings appearances of combined therapy (VRN+nicotine patches) versus monotherapy (VRN+placebo patches) mesured objectively by the BDI, SSI, SIS and HARS scales as well as self-reports, physical examination

Countries

Spain

Contacts

Public ContactJOSÉ MARIA RAMON TORRELL

HOSPITAL UNIVERSITARI DE BELLVITGE

jmramon@bellvitgehospital.cat34932607557

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026