What else is new (pain)? - Guildford Advanced Courses...Episodic breathlessness Dyspnoea...
Transcript of What else is new (pain)? - Guildford Advanced Courses...Episodic breathlessness Dyspnoea...
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What else is new (symptoms)?DR ANDREW DAVIES
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Introduction
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Outline
Rapid onset opioids for “episodic” breathlessness
Alcohol for anorexia (white wine)
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Rapid onset opioids for “episodic”
breathlessness
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Episodic breathlessness
Episodic breathlessness = “breakthrough” breathlessness
[Breakthrough breathlessness ≈ breakthrough pain]
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Episodic breathlessness
Dyspnoea (breathlessness) is defined as “a subjective experience of
breathing discomfort that consists of qualitatively distinct sensations
that vary in intensity. This experience derives from interactions among
multiple physiological, psychological, social, and environmental
factors, and may induce secondary physiological and behavioural
responses”.
American Thoracic Society, 1999
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Episodic breathlessness
“Episodic breathlessness is one form of breathlessness characterised by
a severe worsening of breathlessness intensity or unpleasantness
beyond usual fluctuations in the patient’s perception (of
breathlessness). Episodes are time-limited (seconds to hours) and occur
intermittently, with or without underlying continuous breathlessness.
Episodes may be predictable or unpredictable, depending on whether
any trigger(s) can be identified. There is a range of known triggers
which can interact (e.g. exertion, emotions, comorbidities or external
environment). One episode can be caused by one or more triggers”.
Simon et al, 2014
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Episodic breathlessness
Epidemiology:
Limited data
71% patients with advanced cancer / breathlessness
Associated with cancer diagnosis (lung > other)
Associated with performance status (poor > good)
Mercadante et al, 2016
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Episodic breathlessness
Subtypes:
Associated with “background” breathlessness
Not associated with “background” breathlessness
Predictable
Unpredictable
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Episodic breathlessness
Effort Emotions Environment Comorbidity
Walking
Speaking
Dressing
Washing
Eating / drinking
Sex
Postural changes
Abdominal
distension
Cough
Moving objects
Household chores
Fear
Anxiety
Joy
Claustrophobia
Stress
Impatience
Panic
Anger
Worry
Excitement
Tension
Heat
Cold
Humidity
Air
Perfume
Pollen
Tiredness
Dust
Vinegar
Infection
Fever
Pleural effusion
Atelectasis
Pulmonary
thromboembolism
Pneumothorax
Heart Failure
Mucus
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Episodic breathlessness
Clinical features:
Variable
Severe (mean 7.1 +/- 1.6 on 0-10 NRS)
Short duration (mean 19.9 +/- 35.3 min)
Mercadante et al, 2016
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Episodic breathlessness
Management (general):
Treatment of underlying cause
Treatment of exacerbating factors
Symptomatic management of “background” breathlessness
- non pharmacological interventions
- pharmacological interventions
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Episodic breathlessness
Management (episodes):
Treatment of exacerbating factors
Symptomatic management of episodic breathlessness
- non pharmacological interventions
- pharmacological interventions
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Episodic breathlessness
Management (episodes - self management):
Reduction of physical exertion
Cognitive and psychological strategies
Breathing techniques and positions
Air and oxygen
Drugs and medical devices
Environmental and other strategies
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Episodic breathlessness
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Episodic breathlessness
“There is some low quality evidence that shows benefit for the use of
oral or parenteral opioids to palliate breathlessness”.
Barnes et al, 2016
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Episodic breathlessness
“…use of transmucosal fentanyl, especially in faster formulations like
intranasal application, opens up new possibilities to manage
outpatients due to its fast onset of action”.
Cabezon-Gutierrez et al, 2016
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Episodic breathlessness
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Rapid onset opioids
Rapid onset opioids will only work for opioid-responsive BTcP
Rapid onset opioids vary in their ease of use
Rapid onset opioids vary in their pharmacokinetic profiles
Rapid onset opioids vary in their pharmacodynamic profiles
Rapid onset opioids may cause intolerable side effects
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Rapid onset opioids
Marketing authorisation to treat spontaneous BTcP
Used clinically to treat incident and spontaneous BTcP
Prophylactic use for incident pain can be a “game changer”
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Rapid onset opioids
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Rapid onset opioids
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Rapid onset opioids
Numerous studies in BTcP
Many BTcP studies flawed
Few studies in episodic breathlessness
Most episodic breathlessness studies flawed
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Episodic breathlessness
Simon et al, 2016
Phase 2 study
Fentanyl buccal tablet (titrated dose) vs IR morphine solution(titrated dose)
Symptomatic usage
Fentanyl buccal tablet – onset meaningful relief of breathlessness12.7+/-10.0 min, well tolerated
IR morphine solution – onset meaningful relief of breathlessness23.6+/-15.1 min, well tolerated
(P = 0.094)
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Episodic breathlessness
Hui et al, 2016
Pilot study
Intranasal fentanyl (fixed dose) vs placebo spray
Prophylactic usage (6 minute walk test x 3)
Intranasal fentanyl – reduced SOB at rest (post exercise), increased
walking distance (i.e. 7.5%), well tolerated
“Substantial placebo effect”
(Study not powered to compare two arms)
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Alcohol for anorexia
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Alcohol
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Alcohol
“By inference, alcoholic beverages may be useful in hospice care as:
1. Euphoriant / sedatives to elevate mood and relieve tension;
2. Soporifics to induce sleep;
3. Analgesics to relieve pain;
4. Appetizers to enhance the pleasure of meals”.
Kerr, 1992
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Alcohol
“Finally, let us not forget alcohol…it makes people feel better and
presents splendid opportunities for social exchange”.
Saunders, 1978
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Alcohol
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Alcohol
“Differences existed both in the active constituents and in the vehicle
in which they were dissolved (Brompton Cocktail)…the alcohol
content ranged from 0 to 40% and was frequently replaced by gin,
whiskey, or brandy…”.
Twycross & Gilhooley, 1973
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Alcohol
“Nowadays alcohol is not event mentioned in major tome on pain
except as a neurolytic agent”.
Kerr, 1992
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Alcohol
“For those patients familiar with ‘medicinal spirits’, a good brandy or
whiskey may provide meaningful relief for occasional breakthrough
pain”.
Kerr, 1992
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Alcohol
“The complementary therapies used (to manage BTcP episodes) were
acupuncture (n = 4), aromatherapy (n = 9), homeopathy (n = 3), and
Reiki (n = 1). The “other” non-pharmacological interventions used by
more than one individual were hypnosis (n = 2), prayer (n = 4), drinking
tea / coffee (n = 9), and drinking alcohol (n = 2)”.
Davies et al, 2013
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Alcohol
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Alcohol
Jatoi A, Qin R, Satele D et al. “Enjoy a glass of wine before eating”: a
randomized trial to text the orexigenic effects of this advice in
advanced cancer patients. Support Care Cancer 2016; 24: 3739-46.
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Alcohol
Randomised controlled trial
White wine versus nutritional supplement
(Unblinded)
3-4 weeks
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Alcohol
Inclusion criteria:
> 21 yr
Advanced cancer
≥ 6lb (2.3kg) weight loss in previous 2 months
or
< 20 cal / kg body weight daily calorie intake (in previous 2 months)
Patient acknowledges loss of appetite and / or weight
Patient willing to abstain from alcohol for 4 weeks (if required)
No history alcoholism
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Alcohol
Exclusion criteria:
Enteral / parenteral nutrition
Corticosteroids / progestogens
GI problems
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Alcohol
Intervention:
White wine group:
- ≤ 15% alcohol content
- “twice a day”
- down titration (inebriation)
- voucher for alcohol ($200)
- “encouraged to further supplement with Boost® or Ensure ®”
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Alcohol
Intervention:
Nutritional supplement group:
- Boost® or Ensure ®
- “twice a day”
- voucher for nutritional supplement ($100)
- “strongly counseled against taking any alcoholic beverages during
the 3-4 week study interval”
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Alcohol
Assessments:
Weight
Appetite (North Central Cancer Treatment Group / NCCTG
anorexia-cachexia questionnaire)
Adverse effects
Quality of life (Functional Assessment of Anorexia-Cachexia
Therapy)
Survival (2 yr follow up)
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Alcohol
Study flow:
141 patients enrolled
118 patients assigned (22 withdrew, 1 ineligible)
59 patients in wine group
59 patients in supplement group
55 patients ≥ 10lb (3.8kg) weight loss
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Alcohol
“the majority of patients (that responded to the adherence
questionnaire) noted taking their assigned study product ‘all the time’
except by weeks 3 and 4 when patients assigned to the wine arm
started to show a slight drop in this level of adherence to
approximately 40%”.
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Alcohol
Appetite:
Alcohol group – 49% improvement at some point during study
Supplement only group – 39% improvement at some point during study
p = 0.35
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Alcohol
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Alcohol
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Alcohol
Adverse effects:
Alcohol group – 0 (SAEs)
Supplement only group – 0 (SAEs)
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Alcohol
Survival:
Alcohol group – 6.75 months
Supplement only group – 6.07 months
p = 0.44
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Alcohol
“In summary, this randomized, controlled trial showed that white wine
did not improve appetite in patients with advanced, incurable cancer.
These results suggest that healthcare providers should consider other
interventions to address loss of appetite in advanced cancer patients”.
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Alcohol
? Correct intervention
(What was the intervention?)
? Adherence intervention
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Alcohol
? Correct population
? Correct sample size
? Correct methodology
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Conclusion
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Alcohol
“Alcohol may not always be
the solution to the problem…”
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Alcohol
“…but it’s worth a shot.”