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| ID | Type | Description | Link |
|---|---|---|---|
| ZRHM-REXA-08-US | Other Identifier | Philip Morris Products S.A. |
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Evaluate if the ad libitum use of the THS 2.2 Menthol (mTHS), a candidate Modified Risk Tobacco Product, for 5 days in confinement, and after 86 days in an ambulatory setting, by apparently adult healthy smokers results in a reduction in the levels of biomarkers of exposure (BoExp) to selected harmful and potentially harmful constituents (HPHCs).
The main goal of the study is to evaluate if the ad libitum use of the THS 2.2 Menthol (mTHS) for 5 days in confinement, and after 86 days in an ambulatory setting, by apparently adult healthy smokers results in a reduction in the levels of biomarkers of exposure (BoExp) to selected harmful and potentially harmful constituents (HPHCs) compared to smokers continuing smoking their own preferred brand of menthol conventional cigarette (mCC) and smoking abstinence (SA). Smokers who remained abstinent from SA were used as a benchmark to provide context to the exposure reduction.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| THS 2.2 Menthol (mTHS 2.2) | Experimental | Ad libitum use of THS 2.2 Menthol for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting |
|
| Menthol Conventional Cigarette (mCC) | Active Comparator | Ad libitum use of subject's own preferred brand of mCC for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting |
|
| Smoking abstinence (SA) | Sham Comparator | Abstinence from smoking for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| THS 2.2 Menthol (mTHS 2.2) | Other | THS 2.2 Menthol ad libitum for 5 days in confinement prolonged by 86 days in an ambulatory setting |
|
| Measure | Description | Time Frame |
|---|---|---|
| Concentration of Monohydroxybutenylmercapturic Acid (MHBMA) | Concentrations measured in urine, adjusted for creatinine, at Day 5 for the smokers of all arms (mTHS, mCC and SA). Geometric Least Squares means are provided as descriptive statistics. | 5 days |
| Concentration of 3-hydroxypropylmercapturic Acid (3-HPMA) | Concentrations measured in urine, adjusted for creatinine, at Day 5 for the smokers of all arms (mTHS, mCC and SA). Geometric Least Squares means are provided as descriptive statistics. | 5 days |
| Concentration of S-phenylmercapturic Acid (S-PMA) | Concentrations measured in urine, adjusted for creatinine, at Day 5 for the smokers of all arms (mTHS, mCC and SA). Geometric Least Squares means are provided as descriptive statistics. | 5 days |
| Levels of Total 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-butanol (Total NNAL) | Concentrations measured in urine, adjusted for creatinine, at Day 90 for the smokers of all arms (mTHS, mCC and SA). Geometric Least Squares means are provided as descriptive statistics. | 90 days |
| Levels of Carboxyhemoglobin (COHb) | Carboxyhemoglobin (COHb) is assayed from whole blood. Expressed as % of saturation of hemoglobin. Blood measurements performed in the evening of Day 5, for the smokers of all arms (mTHS, mCC and SA). Geometric Least Squares means are provided as descriptive statistics. | 5 days |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| William Lewis, MD | Covance Dallas | Principal Investigator |
| Frank Farmer, MD | Covance Daytona Beach | Principal Investigator |
| Christelle Haziza, PhD | Philip Morris Products S.A. | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Covance Daytona Beach, 1900 Mason Ave., Suite 140 | Daytona Beach | Florida | 32117 | United States | ||
| Covance Dallas, 1341 W. Mockingbird Ln., Ste 400E |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 31125079 | Derived | Haziza C, de La Bourdonnaye G, Donelli A, Skiada D, Poux V, Weitkunat R, Baker G, Picavet P, Ludicke F. Favorable Changes in Biomarkers of Potential Harm to Reduce the Adverse Health Effects of Smoking in Smokers Switching to the Menthol Tobacco Heating System 2.2 for 3 Months (Part 2). Nicotine Tob Res. 2020 Apr 17;22(4):549-559. doi: 10.1093/ntr/ntz084. | |
| 30722062 |
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Enrolled and randomized population = 160 subjects
Number of subjects exposed to the product test = 165
Study initiated (first subject screened): 17 December 2013
At admission (Day -2), all the subjects performed a product trial of THS 2.2 Menthol. During the baseline period, they continued to smoke their single preferred brand of mCC. Then, on Day 0, they were randomized to one of the 3 study arms (mTHS 2.2, mCC or SA) in a 2:1:1 ratio.
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| ID | Title | Description |
|---|---|---|
| FG000 | THS 2.2 Menthol (mTHS 2.2) | Ad libitum use of THS 2.2 Menthol for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting |
| FG001 | Menthol Conventional Cigarette (mCC) |
| Title | Milestones | Reasons Not Completed | |||||
|---|---|---|---|---|---|---|---|
| Confinement Period (Population at Day 5) |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot | Yes | No | No | Study Protocol | Apr 14, 2014 | Mar 9, 2020 |
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| Menthol Conventional Cigarette (mCC) | Other | Subject's own preferred brand of mCC ad libitum for 5 days in confinement prolonged by 86 days in an ambulatory setting |
|
| Smoking Abstinence (SA) | Other | SA for 5 days in confinement prolonged by 86 days in an ambulatory setting |
|
| Dallas |
| Texas |
| 75247 |
| United States |
| Haziza C, de La Bourdonnaye G, Donelli A, Poux V, Skiada D, Weitkunat R, Baker G, Picavet P, Ludicke F. Reduction in Exposure to Selected Harmful and Potentially Harmful Constituents Approaching Those Observed Upon Smoking Abstinence in Smokers Switching to the Menthol Tobacco Heating System 2.2 for 3 Months (Part 1). Nicotine Tob Res. 2020 Apr 17;22(4):539-548. doi: 10.1093/ntr/ntz013. |
Ad libitum use of subject's own preferred brand of mCC for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting
| FG002 | Smoking Abstinence (SA) | Abstinence from smoking for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting |
| COMPLETED |
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| NOT COMPLETED |
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| End of Study (Population at Day 90) |
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Study population = all randomized subjects who had at least one post randomization product use experience and at least one valid biomarker of exposure measurement.
160 randomized subjects: 80 in mTHS 2.2, 41 in mCC and 39 in SA arms
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| ID | Title | Description |
|---|---|---|
| BG000 | THS 2.2 Menthol (mTHS 2.2) | Ad libitum use of THS 2.2 Menthol for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting |
| BG001 | Menthol Conventional Cigarette (mCC) | Ad libitum use of subject's own preferred brand of mCC for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting |
| BG002 | Smoking Abstinence (SA) | Abstinence from smoking for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting |
| BG003 | Total | Total of all reporting groups |
| Units | Counts |
|---|---|
| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean | Standard Deviation | years |
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| Sex: Female, Male | Count of Participants | Participants |
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| Daily mCC consumption at screening | Number | participants |
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| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Primary | Concentration of Monohydroxybutenylmercapturic Acid (MHBMA) | Concentrations measured in urine, adjusted for creatinine, at Day 5 for the smokers of all arms (mTHS, mCC and SA). Geometric Least Squares means are provided as descriptive statistics. | The analysis was performed on the Per Protocol set (PP) which included all randomized subjects who had no major protocol deviation impacting the evaluability during the confinement period. | Posted | Geometric Mean | 95% Confidence Interval | pg/mg creat | 5 days |
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| Primary | Concentration of 3-hydroxypropylmercapturic Acid (3-HPMA) | Concentrations measured in urine, adjusted for creatinine, at Day 5 for the smokers of all arms (mTHS, mCC and SA). Geometric Least Squares means are provided as descriptive statistics. | The analysis was performed on the Per Protocol set (PP) which included all randomized subjects who had no major protocol deviation impacting the evaluability during the confinement period. | Posted | Geometric Mean | 95% Confidence Interval | ng/mg creat | 5 days |
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| Primary | Concentration of S-phenylmercapturic Acid (S-PMA) | Concentrations measured in urine, adjusted for creatinine, at Day 5 for the smokers of all arms (mTHS, mCC and SA). Geometric Least Squares means are provided as descriptive statistics. | The analysis was performed on the Per Protocol set (PP) which included all randomized subjects who had no major protocol deviation impacting the evaluability during the confinement period. | Posted | Geometric Mean | 95% Confidence Interval | pg/mg creat | 5 days |
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| Primary | Levels of Total 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-butanol (Total NNAL) | Concentrations measured in urine, adjusted for creatinine, at Day 90 for the smokers of all arms (mTHS, mCC and SA). Geometric Least Squares means are provided as descriptive statistics. | The analysis was performed on the Per Protocol set (PP) which included all randomized subjects who had no major protocol deviation impacting the evaluability during the confinement period. | Posted | Geometric Mean | 95% Confidence Interval | pg/mg creat | 90 days |
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| Primary | Levels of Carboxyhemoglobin (COHb) | Carboxyhemoglobin (COHb) is assayed from whole blood. Expressed as % of saturation of hemoglobin. Blood measurements performed in the evening of Day 5, for the smokers of all arms (mTHS, mCC and SA). Geometric Least Squares means are provided as descriptive statistics. | The analysis was performed on the Per Protocol set (PP) which included all randomized subjects who had no major protocol deviation impacting the evaluability during the confinement period. | Posted | Geometric Mean | 95% Confidence Interval | % of saturation of hemoglobin | 5 days |
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From the informed consent form (ICF) signature until the end of the safety follow-up period, up to 150 days (including a screening period of up to 28 days, an 8-day confinement period followed by an 85-day ambulatory setting, and by a 28-day safety follow-up period (28 days after discharge of the subject or early discontinuation)).
The adverse events and serious adverse events reported are for the post-randomization period.
The safety was assessed in the safety population, consisting of 165 subjects: 160 randomized subjects (80 in mTHS 2.2, 41 in mCC and 39 in SA) and 5 subjects exposed to mTHS 2.2 from the product trial on Day -2 but not randomized. After randomization, the Safety Population consisted of 160 subjects with one valid post-randomization safety assessment.
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | THS 2.2 Menthol (mTHS 2.2) | Ad libitum use of THS 2.2 Menthol for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting | 0 | 80 | 31 | 80 | ||
| EG001 | Menthol Conventional Cigarette (mCC) | Ad libitum use of subject's own preferred brand of mCC for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting | 0 | 41 | 12 | 41 | ||
| EG002 | Smoking Abstinence (SA) | Abstinence from smoking for 5 Days in a Confinement Setting and 86 Days in an Ambulatory Setting | 0 | 39 | 16 | 39 |
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| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Upper respiratory tract infection | Infections and infestations | MedDRA 16.0 | Non-systematic Assessment |
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| Muscle strain | Injury, poisoning and procedural complications | MedDRA 16.0 | Non-systematic Assessment |
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| Blood triglycerides increased | Investigations | MedDRA 16.0 | Non-systematic Assessment |
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| Haemoglobin decreased | Investigations | MedDRA 16.0 | Non-systematic Assessment |
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| Lymphocyte count increased | Investigations | MedDRA 16.0 | Non-systematic Assessment |
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| Dizziness | Nervous system disorders | MedDRA 16.0 | Non-systematic Assessment |
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| Headache | Nervous system disorders | MedDRA 16.0 | Non-systematic Assessment |
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| Neutrophil count decreased | Investigations | MedDRA 16.0 | Non-systematic Assessment |
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Analysis of Primary Outcomes required data from the PP set at Baseline, Day 5 (MHBMA, 3-HPMA, S-PMA, and COHb), and Day 90 (Total NNAL). Differences in the number of participants for each outcome is due to missing data at baseline or at Day5/90.
We confirm we have the contractual provisions in place which specifies that in no event will the study site be allowed to disclose to any third party (or publicly release) any information obtained through the study without the CRO's prior written consent which in turn cannot provide such consent without Sponsor's approval unless such publication is made to satisfy regulatory requirements.
The Intellectual Property rights and research results from the present study belong to the Sponsor.
| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Christelle Haziza, PhD | Philip Morris Products S.A. | +41 (58) 242 2625 | Christelle.Haziza@pmi.com |
| Prot_000.pdf |
| SAP | No | Yes | No | Statistical Analysis Plan | May 29, 2015 | Mar 9, 2020 | SAP_001.pdf |
| ID | Term |
|---|---|
| D012907 | Smoking |
| ID | Term |
|---|---|
| D001519 | Behavior |
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| Physician Decision |
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| Moved out of state |
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| Employment Conflict |
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| Male |
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| > 19 cig/day |
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Geometric LS Mean Ratio mTHS 2.2:mCC |
| Superiority or Other (legacy) |
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