heated tobacco products (htp) task force: inaugural meetingoctober 2018 (kunming, china) coresta...
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Heated Tobacco Products (HTP) Task
Force: CORESTA Update
➢ Task Force Coordinator: Helena Digard
⚫ British American Tobacco, Southampton - UK
➢ Secretary and Study Coordinator: Jason Flora
⚫ Altria Client Services LLC, Richmond VA - USA
HTP – 07 October 2019, Hamburg, Germany
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Potentially Reduced Risk
Products (PRRP)
Helena Digard, Paris HTP Workshop March 26, 2019
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❖ October 2018 (Kunming, China) CORESTA Congress discussion
and engaged interest in the potential for a HTP Task Force
❖ March 2019 (Paris, France): HTP Workshop confirmed the need for
a HTP Task Force and developed objectives
❖ June 2019 (London, England): Inaugural HTP TF meeting
❖ October 2019 (Hamburg, Germany): 2nd HTP TF meeting
HTP Task Force History
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There has been a continued large interest in participation in the HTP TF:
❖ Attendees = 50
❖ Companies Represented = 36
➢ Suppliers, manufacturers, laboratories etc.
❖ Countries = 13
Participation in the HTP TF
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Objectives
1. Establish standardized terminology and definitions that
encompass all categories of Heated Tobacco Products.
2. Define one or more specific approaches and regimes for the
generation and collection of emissions for Heated Tobacco
Products.
3. Define and agree on priority compounds to be analysed
(or not); review current CRM suitability, edit, or develop
methods for Heated Tobacco Products.
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Workstream Approach
❖ In the spirit of rapid results we have taken a “divide and conquer”
workstream approach to advance our objectives
❖ Volunteers to lead and participate in each workstream occurred in our
first meeting in June 2019
❖ Team outputs were shared on Saturday at our Task Force Meeting and
will be summarized in the following slides
Workstream 1
Time
Workstream 2
Workstream 3
Today
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June 2019 TF Meeting
❖ Created Objective Workstreams with Volunteers from Meeting
Participants
1. Establish standardized terminology and definitions that encompass all categories of
Heated Tobacco Products.
➢ Lead: Jason Flora
2. Define one or more specific approaches and regimes for the generation and collection of
emissions for Heated Tobacco Products.
➢ Lead: Colin Sinclair
3. Define and agree on priority compounds to be analysed (or not); review current CRM
suitability, edit, or develop methods for Heated Tobacco Products.
➢ Lead: Maxim Belushkin
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Objective 1:
Establish standardized terminology and definitions that encompass all categories of Heated Tobacco Products.
Jason Flora
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What Do We Call This Category?
❖ Literature: 100s of
publications on PRRPs, with
approx. 100 on HTPs (as of
end 2018)
❖ We should consider the
terminology used by
manufacturers and
regulatorsBAT:
THP
PMI:
THS
Public Health
England: HTP
JTI:
NTVUS FDA:
NCC
WHO:
HTP
Added
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Purpose of the Definitions
❖ Providing consensus on definitions:
➢ Heated Tobacco Product (as a category)
➢ Sub-Categories
➢ Terminology
❖ Creating consistency across the scientific community
➢ Attributes within and differentiating between the category(s) and
sub-categories
❖ Ensuring product analysis is conducted using appropriate
aerosol collection and analytical methodologies.
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Category Definition
❖ The category: Heated Tobacco Product (HTP)
➢ Tobacco Heating System or Product could suggest that the tobacco is doing
the heating
➢ Heat not Burn suggests a criteria that no combustion (e.g., burning) can
occur
❖ Definition:
A system containing tobacco that is heated by a separate
source (e.g., electrical, aerosol, carbon) and designed to
produce a nicotine containing aerosol.
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Sub-Categories
❖ Electrically Heated Tobacco Product (eHTP)
❖ Aerosol Heated Tobacco Product (aHTP) – also known as a hybrid
❖ Carbon Heated Tobacco Product (cHTP)
❖ Other: Sub-categories that are currently out of scope:
➢ Waterpipe Heated Tobacco Product (wpHTP)- Shisha/Hookah
➢ Loose-leaf heating tobacco products (e.g. PAX)
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Sub-Categories Definitions
❖eHTP : A HTP where the tobacco is electrically heated
❖aHTP : A HTP where the tobacco is heated by an aerosol
❖cHTP : A HTP where the tobacco is heated by smouldering carbon
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Workstream 1 - Next Steps and Actions:
❖ Refining the attributes for each sub-category, to include:
➢ Must haves
➢ May haves
➢ Does not include
❖ Developing definitions for required “terminology”
❖ Begin drafting the technical report
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Objective 2:
Define one or more specific approaches and regimes for the generation and collection of emissions for Heated Tobacco Products.
Colin Sinclair
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Conditioning and Testing
❖ The conditioning atmosphere is according to ISO 3402 (Tobacco
and Tobacco Products - Atmosphere for Conditioning and Testing)
➢ HTPs are “hydroscopic” in nature, and effects to consumables are
variable within the category
➢ The purpose of conditioning is to ensure a uniform product
temperature
➢ Samples should be tested as soon as they have been removed from
their packaging
❖ The testing atmosphere is ISO 3402
➢ Devices must be fully charged and cleaned according to
manufacturer’s instructions prior to each test run.
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Proposed Aerosol Generation Regimes
❖ eHTP: ISO 20778: 2018 (Cigarettes - Routine analytical cigarette
smoking machine – Intense smoking regime)
➢ 55ml (puff volume); 2 second (puff duration); 30 second (puff interval)
➢ Vent blocking only if it is possible for user to do so and device function
is not compromised.
❖ aHTP - ISO 20768:2018/ CRM 81 (Vapour products – Routine
analytical vaping machine)
➢ 55ml (puff volume); 3 second (puff duration); 30 second (puff interval)
❖ cHTP - ISO 20778: 2018. Vent blocking required
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Workstream 2 - Next Steps and Actions:
❖ Incorporate proposed conditioning and testing regimes into
Workstream 1 technical report
➢ Will include justifications from existing scientific literature and
presented data
❖ Considering collaborative study
➢ Alignment with ISO WG 22
➢ Identification of products for inclusion
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Objective 3:
Define and agree on priority compounds to be analysed (or not); review current CRM suitability, edit, or develop methods for Heated Tobacco Products.
Maxim Belushkin
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What Analytes Do We Test
(Priorities)?
❖ Priority analytes identified:
❖ Review of methodologies currently used, to identify potential method development
options:
➢ What existing ISO or CRM methods can be utilized
➢ Where no standard analytical methods are used, diversity of methods between laboratories
was assessed
1 2 3
Basic analytes: Propylene glycol,
glycerine, nicotineCarbonyls
TSNAs
Volatiles
CO, NO, NOx B[a]P / PAHs
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Method Feedback Summary
Priority
for product
Complexity Analyte Comments
1 1
Propylene glycol,
glycerine, nicotine
Generally, CRM 84 or ISO 22253 or ISO 10315 – which are
generally similar and based on GC-FID, are applied with essentiallyno modification, or minor adaptations (calibration range)
1 1 CO
Generally, ISO 8454 or CRM-5 or T-115 are applied with no or minor
modification (calibration range, use of dual-range CO meters). Most laboratories reported methods based on ISO 8454.
1 2 NO, NOxDespite no standardized method available at CORESTA or ISO, all
laboratories reported in-house methodologies using chemiluminescence detectors (either in-house or based on T-110).
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Workstream 3 - Next Steps and Actions:
❖ Basic Analytes: Develop a proposal for puffing regime
collaborative trial
➢ Alignment with ISO WG 22
❖ CO, NO, NOx: Develop a proposal for proficiency study
➢ Calibration range considerations for sub-categories required
➢ Alignment with ISO WG 22
❖ Evaluate appropriate justification for LOD/LOQ for “non-
detectable” analytes
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Key Activities
❖ Draft technical report (submitted SC – Q2, 2020)
➢ Definitions and terminology
➢ Proposed conditioning, aerosol collection regimes and scientific
justifications
❖ Participate and align with ISO technical advisory committee -
ISO/TC 126/WG 22, tobacco heating systems.
❖ Develop study plans:
➢ Collaborative trial: puffing regime with basic analytes
➢ Proficiency study: CO, NO, NOx
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Close
➢Thank You!!
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