Abstract Parkinson’s disease (PD) is a complex progressive
movement disorder leading to motor and nonmotor
symptoms that become increasingly debilitating as
the disease advances, considerably reducing quality of life.
Advanced treatment options include deep brain stimulation
(DBS). While clinical effectiveness of DBS has been
demonstrated in a number of randomised controlled trials
(RCT), evidence on cost-effectiveness is limited. The costeffectiveness
of DBS combined with BMT, versus BMT
alone, was evaluated from a UK payer perspective. Individual
patient-level data on the effect of DBS on PD
symptom progression from a large 6-month RCT were used
to develop a Markov model representing clinical progression
and capture treatment effect and costs. A 5-year time
horizon was used, and an incremental cost-effectiveness
ratio (ICER) was calculated in terms of cost per qualityadjusted
life-years (QALY) and uncertainty assessed in
deterministic sensitivity analyses. Total discounted costs in
the DBS and BMT groups over 5 years were £68,970 and
£48,243, respectively, with QALYs of 2.21 and 1.21, giving
an incremental cost-effectiveness ratio of £20,678 per
QALY gained. Utility weights in each health state and
costs of on-going medication appear to be the key drivers
of uncertainty in the model. The results suggest that DBS is
a cost-effective intervention in patients with advanced PD
who are eligible for surgery, providing good value for
money to health care payers.
Abstract Parkinson’s disease (PD) is a complex progressivemovement disorder leading to motor and nonmotorsymptoms that become increasingly debilitating asthe disease advances, considerably reducing quality of life.Advanced treatment options include deep brain stimulation(DBS). While clinical effectiveness of DBS has beendemonstrated in a number of randomised controlled trials(RCT), evidence on cost-effectiveness is limited. The costeffectivenessof DBS combined with BMT, versus BMTalone, was evaluated from a UK payer perspective. Individualpatient-level data on the effect of DBS on PDsymptom progression from a large 6-month RCT were usedto develop a Markov model representing clinical progressionand capture treatment effect and costs. A 5-year timehorizon was used, and an incremental cost-effectivenessratio (ICER) was calculated in terms of cost per qualityadjustedlife-years (QALY) and uncertainty assessed indeterministic sensitivity analyses. Total discounted costs inthe DBS and BMT groups over 5 years were £68,970 and£48,243, respectively, with QALYs of 2.21 and 1.21, givingan incremental cost-effectiveness ratio of £20,678 perQALY gained. Utility weights in each health state andcosts of on-going medication appear to be the key driversof uncertainty in the model. The results suggest that DBS isa cost-effective intervention in patients with advanced PDwho are eligible for surgery, providing good value forเงินที่จะรายงานผู้ชำระดูแลสุขภาพ
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