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PubMed2001

Celebrating the present, challenging the future of nurse prescribing.

As universities gear up to deliver the next wave of nurse prescriber training, this article -- based in part on the experiences of the University of Derby and its partner trusts and the recent consultation document (Department of Health, 2001) -- considers the issues underpinning the education and training of nurse prescribers. The collaborative, cooperative and coordinated approach seen in the training of the first wave facilitated the preparation of large numbers of practitioners to prescribe while maintaining service provision to patients in the community. The success of the programme should be celebrated, but also raises topics for debate as nurse prescribing expands to include a much wider range of nurses. The consultation document identifies the range of medicine from which it is proposed nurses will be able to prescribe and outlines the education and training parameters that will underpin the new prescribing requirements. It is clear that some challenges similar to those experienced during the first wave of nurse prescribing will arise, but there are also some significant differences that have raised pertinent questions and require answers.

Clinical Competence↗
PubMed1998

What's in there for me? The Internet for pharmacists.

Pharmacists and other professionals must develop a strategy to take the greatest advantage of information on the Internet. Healthcare providers must work effectively with increasingly demanding and well-educated consumers to survive the turbulent environment. We focus on describing Internet sites that can be of interest and assistance to individual pharmacists researching health and professional topics. It is important for health care practitioners to have an understanding of the content of Web sites so they may use their professional judgment to determine the authenticity of information. Utilizing the Internet to augment the pharmacist's knowledge base may solve the dilemma of the pharmacist's utility in the 21st century. The practicality of the Internet is underscored by its ability to link healthcare professionals worldwide in unique collaborative efforts unmatched by any individual's output, regardless of his singular genius.

Career Mobility↗
PubMedDate not supplied

Three-tiered-copayment drug coverage and use of nonsteroidal anti-inflammatory drugs.

BACKGROUND: Previous studies of 3-tier formularies are rare, although the evidence suggests that their cost-sharing structure reduces overall drug spending. However, it is unclear how incentive-based formularies affect the selection of medications with safety advantages, or restrict the access that high-risk populations have to recommended therapies in the higher tiers. This study was designed to determine whether 3-tier formularies influence the use of nonsteroidal anti-inflammatory drugs (NSAIDs) in a population of patients with arthritis. METHODS: This retrospective study used the 2000 MarketScan Research Database, which contains person-level claims data for employer-sponsored health plans. The sample for this study consisted of 20 868 individuals treated for osteoarthritis or rheumatoid arthritis and using NSAIDs while enrolled in tiered drug plans (n = 32). The likelihood of any use of cyclo-oxygenase (COX-2)-selective inhibitors was determined as a function of tiered drug plan coverage, adjusting for other person-level and plan-level covariates. RESULTS: Use of COX-2-selective inhibitors decreased (63.0% vs 53.6% vs 41.6%, respectively) and use of generic NSAIDs increased (37.7% vs 40.7% vs 55.7%, respectively) as formularies incorporated 1, 2, and 3 tiers. Enrollees in 3-tier plans with arthritis and serious gastrointestinal comorbidities (odds ratio, 0.51; 95% confidence interval, 0.40-0.66) were significantly less likely to use COX-2-selective inhibitors compared with patients in 1-tier plans. CONCLUSIONS: Three-tier formularies appear to reduce the use of COX-2-selective inhibitors among all patients with arthritis, even those at risk of experiencing gastrointestinal complications from using nonselective NSAIDs. These findings are among the first to suggest that tiered-copayment drug plans may be influencing the selection of medications beyond generic and branded products.

Aged↗
PubMed2006

The implications of choice: prescribing generic or preferred pharmaceuticals improves medication adherence for chronic conditions.

BACKGROUND: A large proportion of Americans are enrolled in 3-tier pharmacy benefit plans. We studied whether patients enrolled in such plans who receive generic or preferred brand-name agents when initiating chronic therapy were more adherent to treatment than those who received nonpreferred brand-name medications. METHODS: We analyzed pharmacy claims filled between October 1, 2001, and October 1, 2003, from a large health plan for 6 classes of chronic medications: 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors, calcium channel blockers, oral contraceptives, orally inhaled corticosteroids, angiotensin receptor blockers, and angiotensin-converting enzyme inhibitors. We measured adherence as the proportion of days covered (PDC) in each drug class during the first year of therapy. We evaluated how the formulary status of the initial prescription (generic, preferred, or nonpreferred) influenced PDC and adequate adherence, defined as PDC greater than 80%, over the subsequent year. RESULTS: A total of 7532 new prescriptions were filled in 1 of the classes evaluated: 1747 (23.2%) for nonpreferred medications, 4376 (58.1%) for preferred drugs, and 1409 (18.7%) for generic drugs. After controlling for patient sociodemographic characteristics and drug class, PDC was 12.6% greater for patients initiated on generic medications vs nonpreferred medications (58.8% vs 52.2%; P<.001). The PDC was 8.8% greater for patients initiated on preferred vs nonpreferred medications (56.8% vs 52.2%; P<.001). Patients initiated on generic and preferred medications had 62% and 30% greater odds, respectively, of achieving adequate adherence compared with those who received nonpreferred medications. CONCLUSION: In 3-tier pharmacy benefit plans, prescribing generic or preferred medications within a therapeutic class is associated with improvements in adherence to therapy.

Adrenal Cortex Hormones↗
PubMed2005

Impact of 3-tier formularies on drug treatment of attention-deficit/hyperactivity disorder in children.

BACKGROUND: Expenditures for medications used to treat attention-deficit/hyperactivity disorder (ADHD) in children have increased rapidly. Many employers and health plans have adopted 3-tier formularies in an attempt to control costs for these and other drugs. OBJECTIVE: To assess the effect of copayment increases associated with 3-tier formulary adoption on use and spending patterns for ADHD medications for children. DESIGN AND SETTING: Observational study using quasi-experimental design to compare effects on ADHD medication use and spending for children enrolled as dependents in an employer-sponsored plan that made major changes to its pharmacy benefit design and a comparison group of children covered by the same insurer. The plan simultaneously moved from a 1-tier (same copayment required for all drugs) to a 3-tier formulary and implemented an across-the-board copayment increase. The plan later moved 3 drugs from tier 3 to tier 2. PARTICIPANTS: An intervention group of 20 326 and a comparison group of 15 776 children aged 18 years and younger. MAIN OUTCOME MEASURES: Monthly probability of using an ADHD medication; plan, enrollee, and total ADHD medication spending; and medication continuation. RESULTS: A 3-tier formulary implementation resulted in a 17% decrease in the monthly probability of using medication (P<.001), a 20% decrease in expected total medication expenditures, and a substantial shifting of costs from the plan to families (P<.001). Intervention group children using medications in the pre-period were more likely to change to a medication in a different tier after 3-tier adoption, relative to the comparison group (P = .08). The subsequent tier changes resulted in increased plan spending (P<.001) and decreased patient spending (P = .003) for users but no differences in continuation. CONCLUSIONS: The copayment increases associated with 3-tier formulary implementation by 1 employer resulted in lower total ADHD medication spending, sizeable increases in out-of-pocket expenditures for families of children with ADHD, and a significant decrease in the probability of using these medications.

Adolescent↗
PubMed2002

Employer drug benefit plans and spending on prescription drugs.

CONTEXT: With drug spending rising rapidly for working-aged adults, many employers and health insurance providers have changed benefits packages to encourage use of fewer or less expensive drugs. It is unknown how these initiatives affect drug costs. OBJECTIVE: To examine how innovations in benefits packages, such as those that include multitier formularies and mandatory generic substitution, affect total cost to insurance providers for generic and brand drugs and out-of-pocket payments to beneficiaries. DESIGN AND PARTICIPANTS: Retrospective study from 1997 to 1999 linking claims data of 420,786 primary beneficiaries aged 18 through 64 years who worked at large firms (n = 25) with health insurance benefits that included outpatient drugs. MAIN OUTCOME MEASURES: Overall drug costs; generic, single-source brand, and multisource brand costs; and drug expenditures by health insurance providers and out-of-pocket costs for beneficiaries. RESULTS: For a 1-tier plan with a 5 US dollars co-payment for all drugs, the average annual spending was 725 US dollars per member. Doubling co-payments to 10 US dollars for all drugs reduced the annual average drug cost from 725 US dollars to 563 US dollars per member (22.3%, P<.001). Doubling co-payments in a 2-tier plan from 5 US dollars for generics and $10 for brand drugs to 10 US dollars for generics and 20 US dollars for brand drugs reduced costs from 678 US dollars to 455 US dollars (32.9%, P<.001). Adding an additional co-payment of 30 US dollars for nonpreferred brand drugs to a 2-tier plan (10 US dollars generics; 20 US dollars brand) lowered overall drug spending by 4% (P<.001). Requiring mandatory generic substitution in a 2-tier plan reduced drug spending by 8% (P<.001). Doubling co-payments in a 2-tier plan increased the fraction beneficiaries' paid out-of-pocket from 17.6% to 25.6%. CONCLUSIONS: Adding an additional level of co-payment, increasing existing co-payments or coinsurance rates, and requiring mandatory generic substitution all reduced plan payments and overall drug spending among working-age enrollees with employer-provided drug coverage. The reduction in drug spending largely benefited health insurance plans because the percentage of drug expenses beneficiaries paid out-of-pocket rose significantly.

Adult↗
PubMed2000

A review of antimycobacterial natural products.

Tuberculosis is a chronic infectious disease caused by several species of mycobacteria. Due to multi-drug resistant strains of mycobacteria and to a high prevalence of tuberculosis in patients who have acquired human immunodeficiency syndrome (AIDS), the number of patients infected with the disease is increasing worldwide. Thus there is an urgent need for new effective antimycobacterial agents to replace those currently in use. In this instance, the plant kingdom is undoubtedly a valuable source for new anti-tuberculosis agents. The present review article reports the findings from an extensive literature search of all plants that have been assessed for antimycobacterial/antitubercular activity over the past 20-30 years. An attempt has been made to summarize the information in order to highlight those promising plant species which are worthy of further investigation as leads for drug development. Over 350 plant species from a wide range of families and origins, containing various chemical classes of compounds, have been screened for such activity. A review of the relevant in vitro assays using different species of pathogenic and non-pathogenic mycobacteria is also included.

Antitubercular Agents↗
PubMed1994

A single-dose comparison of the bioavailability of aluminium from two formulations of sucralphate in normal volunteers.

The oral bioavailability of aluminium was compared after administration of 1 g sucralphate as either a tablet or a suspension (1 g/5 ml) in a crossover study in 16 healthy volunteers. Aluminium levels were detectable in all subjects pre-dose (21.4 +/- 8.8 micrograms l-1 before tablet; 21.4 +/- 7.4 micrograms l-1 before suspension) and there was a measurable increase in the plasma concentrations of aluminium in all subjects after administration of the suspension, and in 14 of the subjects after administration of the tablet formulation, with Cmax reached within the first 8 h in most subjects. Plasma levels were still elevated 72 h after dosing. The variability in plasma levels of aluminium was significantly higher after administration of the suspension (CV 39-53%) than after administration of the tablet (CV 29-44%), reflecting greater absorption of aluminium from the suspension formulation in three subjects. Similarly, the variance of the Cmax, AUC(0-72 h), and AUC(0-infinity) (for both the raw data and the baseline adjusted data) were all higher for the suspension than for the tablet. A point estimate of the difference of the pharmacokinetic parameters (determined from the median of the arithmetic Walsh averages) indicated little or no difference in Cmax, Tmax, or AUC(0-infinity) in the two formulations. In summary, the performance of the suspension formulation of sucralphate is more variable than the tablet formulation in vivo and some patients may therefore have higher circulating levels of aluminium on therapy with the suspension formulation.

Administration, Oral↗
PubMedDate not supplied

The role of the clinical pharmacist in the institutional setting.

The role of the clinical pharmacist in the institutional setting has been expanding at an ever increasing rate. His role as a clinical consultant with the rounding team has become firmly established. This is supplemented with rational product selection utilizing a hospital formulary. Both clinical pharmacokinetics and nutrition are services that benefit the patient directly in his inpatient environment. Toxicology and drug information provided directly to the consumer has also become accepted. Services provided to institution-wide committees allow a comprehensive understanding of the selection, delivery, and follow-up of medication administration to the patient. Many of these services described have become reimbursable by third-party carriers and other appropriate agencies. As other services are reimbursed, the role of the clinical pharmacist will expand beyond the limited scopes discussed in this paper.

Drug Information Services↗