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Med J Aust. 2000 Jul 17;173(2):100-3.

Preliminary experiences with a single-patient trials service in general practice.

Author information

1
Centre for General Practice, University of Queensland, Herston. j.nikles@spmed.uq.edu.au

Abstract

OBJECTIVE:

To pilot a single-patient trials (SPTs) service in general practice, designed to improve decision-making about long-term medications for chronic conditions.

DESIGN:

12-week within-patient, randomised, double-blind, placebo-controlled, crossover comparison of ibuprofen with paracetamol for osteoarthritis, involving three pairs of two-week treatment periods for each participating patient.

SETTING AND PATIENTS:

Patients attending an academic general practice with a clinical diagnosis of osteoarthritis, with pain of at least a month's duration severe enough to warrant consideration of long-term non-steroidal anti-inflammatory drug (NSAID) use.

MAIN OUTCOME MEASURES:

Pain and stiffness; measures of overall arthritis compared with previous fortnight; preference for NSAID at the end of each two-week treatment period; use of escape analgesia; side effects; and management changes as a result of the SPTs.

RESULTS:

Eight of 14 patients completed SPTs. One was a clear responder to NSAIDs, five were non-responders, and two were indefinite. Of the five who were using NSAIDs' before the SPT, two continued and three ceased using them. Clinically useful information assisted decision-making for all eight participants. Medication management changed for six.

CONCLUSIONS:

Single-patient trials can be successfully implemented in general practice and might be a valuable method for GPs to identify patients who respond to medication for chronic stable conditions such as osteoarthritis, in which individual response to medication is variable.

PMID:
10937040
[Indexed for MEDLINE]

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