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PubMedDate not supplied

Compliance with CAPD prescription is good.

OBJECTIVE: To determine compliance with continuous ambulatory peritoneal dialysis (CAPD) prescription. DESIGN: In the first part of the study, we examined the deliveries of dialysate to our CAPD patients (n = 67) between 1992 and 1995 and compared these to the CAPD prescription. In the second part of the study, we performed two inventory checks in a cohort of patients (n = 26) in one urban Canadian center. Compliance was defined as using more than 90% of prescribed dialysate. RESULTS: Based on dialysate deliveries, 95% of our CAPD patients were compliant. Based on home inventory checks, 12% of patients were noncompliant. CONCLUSIONS: Compliance with CAPD prescription is remarkably good in our patient population. These data contrast with American data and could partially explain differences in mortality rates for CAPD patients between the two countries.

Cross-Sectional Studies↗
PubMed1998

Prescription to over-the-counter drug reclassification.

Self-care is becoming increasingly popular among health care consumers. The availability of over-the-counter medications makes it possible for consumers to treat numerous ailments without the supervision of a health care professional. Many of the medications now available without a prescription were previously classified as prescription-only products. The U.S. Food and Drug Administration has procedures in place that allow prescription products to be reclassified as over-the-counter medications if certain criteria are met. Reclassified products have had clinical and economic effects on the U.S. health care system and have led to concerns among health care professionals. Patient education and counseling are particularly important to promote safe and effective use of over-the-counter products.

Humans↗
PubMedDate not supplied

[Infectious diseases in general practice and antibiotic prescription. Observational study in Sicily].

Drug utilisation studies have shown wide differences, among different countries, in the prescribing behaviour in general practice. In Italy, for instance, the choice of antibiotic prescription seems to show a wider use of parental antibiotic. Aim of this study was to describe antibiotic prescribing pattern and therapeutic doses used by Sicilian general practitioners (GPs) and evaluate their prescribing attitudes regarding the use of parental ones. Each practitioner had to fill a questionnaire for each therapeutic intervention ended with an antibiotic prescription during a period of 6 months. Diagnosis and drugs were classified according to the International Classification of Diseases (ICD-10) and to Anatomical Therapeutic Chemical Classification (ATC), respectively. On 9395 prescriptions performed by 76 doctors of 25 Sicilian towns, the analysis indicated that acute respiratory symptoms represent the commonest indication (31.7%) for a medical consultation, and that Macrolides [such as azithromycin (8.8%) and clarithromycin (8.3%)], Penicillin [such as amoxycillin (7.1%%) and co-amoxiclav (8.4%)], III generation of Cephalosporins [such as cefixime (5.5%) and ceftriaxone (5.1%)] represent the most common used therapeutic groups. The choice of the route of administration was influenced by age of the patients and, more significantly, by symptoms and signs of the disease, rather than by bacteria suspected to cause the disease. In conclusion, our data clearly indicate lack of knowledge of antibacterial therapy guidelines among GPs in Sicily, as well as the need of an independent educational training in order to improve knowledge of antibiotics and to decrease the cost of the health care.

Anti-Bacterial Agents↗
PubMed1994

Prescription drug costs as a reason for changing physicians.

The authors conducted a telephone survey of 200 patients who had recently transferred their health care to a Veterans Affairs (VA) medical center. Of the study patients, 56% considered prescription drug costs to be the main reason or a major contributing reason for transfer (95% confidence interval 49% to 63%). The mean out-of-pocket prescription drug cost for these patients was $139 per month, compared with $47 per month for patients for whom drug costs were a minor reason or not a reason at all (p < 0.001). Drug costs are a principal reason for patients to transfer their health care to the VA.

Aged↗
PubMed1985

The demand for prescription drugs as a function of cost-sharing.

This paper estimates how cost-sharing affects the use of prescription drugs. The data for this analysis are derived from the Rand Health Insurance Experiment (HIE), a randomized controlled trial that randomly assigned participants to insurance plans with varying coinsurance rates and deductibles. Therefore, the cost-sharing they faced was independent of their health and demographic characteristics. The paper used HIE data from four sites to estimate how drug expenditures vary by insurance plan, and to compare the plan response for drugs with that for all ambulatory expenses. The findings show that: (1) individuals with more generous insurance buy more prescription drugs; (2) the cost-sharing response for drugs is similar to the response for all ambulatory medical services; (3) the Dayton, Ohio site had significantly greater drug expenditures per capita than the other sites studied and a significantly higher proportion of drugs sold by physicians; and (4) the proportion of brand-name drugs among all drugs purchased in pharmacies was not a function of insurance plan. In the Dayton, Ohio site, a significantly higher proportion of the drugs purchased in pharmacies were brand-name rather than generic.

Deductibles and Coinsurance↗
PubMed2003

Retrospective, long-term follow-up study of the effect of a three-tier prescription drug copayment system on pharmaceutical and other medical utilization and costs.

BACKGROUND: Previous research has suggested that 3-tier prescription drug copayment systems produce drug cost savings without affecting the use of other medical services during the first 12 months after implementation. Assessment of such systems with a longer follow-up period has been needed. OBJECTIVE: This study examined the effect of a 3-tier copayment system on pharmaceutical and medical utilization and cost for 30 months after implementation in a population of commercially insured, preferred-provider organization members. METHODS: This was a quasi-experimental, pre-post with comparison group design that gathered data retrospectively from the claims database of a preferred-provider organization in the Midwestern United States. The intervention group comprised members whose employer switched from a 2-tier (generic/brand copayment) plan to a 3-tier (generic/formulary/nonformulary) plan. The comparison group comprised members whose employer retained the 2-tier plan. Employers did not offer a choice between the 2- and 3-tier plans. Outcome measures included total drug cost; net insurer cost (drug cost minus copayment); number of prescription claims; numbers of office visits, inpatient hospitalizations, and emergency department visits; and rates of continuation with chronic medication therapy. RESULTS: Relative to the comparison group (n=4132), the intervention group (n=3577) showed reduced growth in net cost and lower utilization of third-tier (nonformulary) medications (P<0.001 and P<0.01, respectively). The intervention and comparison groups did not differ significantly with respect to numbers of office visits, emergency department visits, or inpatient hospitalizations. Medication continuation rates were lower for the intervention than the comparison group at 6 months for oral contraceptives (P<0.05), but chronic medication therapy continuation rates did not differ significantly at any other time point or for estrogens, antihypertensives, or antihyperlipidemics. CONCLUSION: In the population studied, previous research findings were confirmed over a longer time period.

Adult↗
PubMed2002

The effects of drug subsidies on out-of-pocket prescription drug expenditures by seniors: regional evidence from Canada.

Between 1970 and 1986, all Canadian provinces introduced some version of a prescription drug subsidy for those aged 65 years or over and since 1986, all the provinces have increased copayments or deductibles to some degree. Employing a first-order approximation to the welfare gains from a subsidy, we find evidence that these subsidies have been less redistributive than an absolute per household cash transfer but slightly more redistributive than a transfer that would increase each household's income by the same percentage. Such evidence may have relevance for predicting the redistributive effects of a potential national prescription drug plan for seniors in the US.

Aged↗
PubMed1997

Design, development, and evaluation of visual aids for communicating prescription drug instructions to nonliterate patients in rural Cameroon.

In this study, culturally sensitive visual aids designed to help convey drug information to nonliterate female adults who had a prescription for a solid oral dosage form of antibiotic medications were developed and evaluated. The researchers conceptualized the educational messages while a local artist produced the visual aids. Seventy-eight female ambulatory patients were evaluated for comprehension and compliance with antibiotic prescription instructions. The study was conducted in three health centers in Cameroon, West Africa and followed a pre-test, post-test, and follow-up format for three groups: two experimental, and one control. All participants were randomly assigned to either experimental or control groups, 26 patients to each group. Subjects in the experimental groups received visual aids alone or visual aids plus an Advanced Organizer. A comparison of the three groups showed that subjects in the experimental groups scored significantly higher than the control group in both the comprehension and compliance measures.

Adolescent↗
PubMed1995

The prescription as final common pathway.

There is an informational void about pharmaceuticals in the training of most doctors, despite the importance of the prescription in medical care. The writing of the prescription is the final common pathway in therapeutic decision making, which involves such diverse forces and disciplines as anthropology, decision science, health economics, ethics, and politics, as well as pharmacology and clinical medicine. Programs to improve the precision and cost-effectiveness of doctors' prescribing must consider all of these factors if pharmacotherapeutics are to be used optimally.

Aged↗
PubMed1995

Safety implications of transferring the oral contraceptive from prescription-only to over-the-counter status.

The idea of making oral contraceptives available without prescription has a long history, and has been recently revived in the US and the UK. High dose oral contraceptives have generally been replaced by low dose formulations and, subsequently, most cardiovascular risks have been reduced and a protection against ovarian and uterine cancers has been consistently demonstrated. Oral contraceptive compliance, however, continues to be a problem, but there is no reason to assume that wise practice would be any more or less if oral contraceptives were available over-the-counter (OTC). Some countries have introduced alternatives to prescription-only oral contraceptives, whereby nurses, midwives, social workers and/or pharmacists are incorporated into the distribution process. This article concludes that the balance of risks and benefits is in favour of OTC access for oral contraceptives.

Contraceptives, Oral↗
PubMed1994

Who cares what it costs to dispense a Medicaid prescription?

Results of a 1992 Medicaid cost-of-dispensing study among North Carolina pharmacies are presented. The estimated statewide weighted average cost incurred by pharmacies to dispense a prescription was $5.37 in 1991. The variation in dispensing costs found among pharmacies of various sizes, organizational types, and locations is identified. Higher average dispensing costs were reported for large chain pharmacies and those pharmacies in urban areas. Considering the potential for expanded prescription drug benefits under a reformed health care system, the implications of the study's findings for pharmacy payment policy are discussed.

Data Collection↗
PubMed2004

A randomized controlled trial of an information prescription for pediatric patient education on the Internet.

BACKGROUND: Information prescriptions (IPs) are prescriptions of specific, evidence-based information to manage health problems. OBJECTIVE: To determine whether a pediatrician-provided IP would change parents' attitudes/behaviors about using Internet health information resources. DESIGN, SETTING, AND PARTICIPANTS: We conducted a randomized controlled trial of parents visiting an academic general pediatric practice. Both groups received a preintervention paper survey and a telephone survey 2 to 3 weeks after their clinic visit. The intervention group was offered computer training and received the IP and training summary handout. RESULTS: Final groups included 100 control and 97 intervention subjects. Of all parents, 68.0% had used the Internet in the past 6 months for health information and 52.8% used it for children's health information. The intervention group used the Internet more for general health information (P =.05) and child health information (P<.001) than the control group. At follow-up, 51 (66.2%) of 77 Internet information resources used by the intervention group were prescribed by the pediatricians. Parents who used the IP (31 [32%] of 97 intervention parents) used the Internet for general health information (P<.001) and child health information (P =.001) more than nonusers. Compared with nonusers, IP users were more likely to state they would use the IP again in the future (P =.02) and had already recommended the IP to family or friends more than nonusers (P =.001). CONCLUSIONS: Parents of children in pediatric practices commonly use the Internet for general and children's health information. In this study, IPs were associated with specific parental attitude and behavior changes resulting in increased Internet utilization for general and child health information and for specific high-quality information resources. Pediatricians can implement IPs in their office.

Adult↗
PubMed2001

Treatment process and outcomes for managed care patients receiving new antidepressant prescriptions from psychiatrists and primary care physicians.

BACKGROUND: While many studies describe deficiencies in primary care antidepressant treatment, little research has applied similar standards to psychiatric practice. This study compares baseline characteristics, process of care, and outcomes for managed care patients who received new antidepressant prescriptions from psychiatrists and primary care physicians. METHODS: At a prepaid health plan in Washington State, patients receiving initial antidepressant prescriptions from psychiatrists (n = 165) and primary care physicians (n = 204) completed a baseline assessment, including the Structured Clinical Interview for DSM-IV depression module, a 20-item depression assessment from the Symptom Checklist-90, and the Medical Outcomes Survey 36-Item Short-Form Health Survey functional status questionnaire. All measures were repeated after 2 and 6 months. Computerized data were used to assess antidepressant refills and follow-up visits over 6 months. RESULTS: At baseline, psychiatrists' patients reported slightly higher levels of functional impairment and greater prior use of specialty mental health care. During follow-up, psychiatrists' patients made more frequent follow-up visits, and the proportion making 3 or more visits in 90 days was 57% vs 26% for primary care physicians' patients. The proportion receiving antidepressant medication at an adequate dose for 90 days or more was similar (49% vs 48%). The 2 groups showed similar rates of improvement in all measures of symptom severity and functioning. CONCLUSIONS: In this sample, clinical differences between patients treated by psychiatrists and primary care physicians were modest. Shortcomings in depression treatment frequently noted in primary care (inadequate follow-up care and high rates of inadequate antidepressant treatment) were also common in specialty practice. Possible selection bias limits any conclusions about relative effectiveness or cost-effectiveness.

Adult↗
PubMed1996

Testing for adverse reactions using prescription event monitoring.

The Drug Safety Research Unit's current methods of investigating adverse drug reactions using prescription event monitoring are discussed. The statistical properties of estimators of rates of occurrence of events in post-marketing surveillance using prescription event monitoring are considered, and a simple model is proposed based on an exponential distribution of time to first occurrence of the event. It is shown that current methodology closely relates to the use of maximum likelihood estimation under this assumption and the distributions of the estimators are shown to be approximately normal, which allows simple confidence intervals and tests to be developed. Two recent applications are considered and corresponding simulations are presented to verify the approximate properties of the test statistics, based on ratios of rates over time and between drugs. Sources of bias in the rates and rate ratios are considered, including under-reporting in later months. A rule-of-thumb, developed from many years experience, is shown to be generally conservative, except when these under-reporting biases are large.

Adverse Drug Reaction Reporting Systems↗
PubMed2006

Prescription opioid use among older adults with arthritis or low back pain.

OBJECTIVE: To examine patterns of chronic opioid use in selected groups with arthritis and low back pain and compare them with patterns among persons with ischemic heart disease. METHODS: The study database consisted of Medicare beneficiaries who were enrolled in a drug benefit program for low-to-moderate income Pennsylvania residents. We identified selected patients who had a diagnosis of rheumatoid arthritis, osteoarthritis, chronic low back pain, or ischemic heart disease since 1995. Chronic opioid use, defined as at least six 30-day prescriptions in a year, was the endpoint of interest. We examined the proportion of patients meeting this definition during the period 1996-2001 and determined predictors based on multivariable Cox proportional hazards models. RESULTS: Four percent of subjects with rheumatoid arthritis used opioids chronically in 2001, compared with <1% in each of the other groups. There was no increase in the chronic use of opioids over the 6-year study period. Low-potency opioids were the most commonly prescribed preparations for chronic users from all patient groups. The prior use of medicines for psychiatric illness, including benzodiazepines or barbiturates, was associated with chronic prescription opioid use across all diagnoses. However, subjects with a prior diagnosis of psychiatric illness were less likely to receive chronic opioids. CONCLUSION: Chronic opioid use is relatively uncommon, even among older individuals with arthritis or low back pain. The proportion of these individuals receiving such medicines has not increased in the late 1990s. There seems to be a complex relationship between psychiatric medication use, psychiatric diagnoses, and the use of chronic opioids among these individuals.

Aged↗
PubMed1998

Patterns of angiotensin-converting enzyme inhibitor prescriptions, educational interventions, and outcomes among hospitalized patients with heart failure.

BACKGROUND: Among hospitalized patients with heart failure, we describe characteristics associated with prescription of angiotensin-converting enzyme (ACE) inhibitors in the doses recommended by clinical practice guidelines. We also describe the impact of ACE inhibitor prescriptions, increases in ACE inhibitor dose, and nonpharmacologic educational interventions on readmission-free survival rates. HYPOTHESIS: We hypothesize that care by a cardiologist physician and higher mean arterial blood pressure on admission are associated with receipt of optimal ACE inhibitor doses. We hypothesize that receipt of an ACE inhibitor at discharge and an increase in ACE inhibitor dose during hospitalization are associated with superior readmission-free survival. METHODS: Between January 1, 1992, and December 31, 1993, medical records were reviewed for consecutively hospitalized patients with a principal diagnosis of heart failure at an academic medical center. Documented instructions and medications prescribed at discharge were abstracted. Deaths and readmissions through December 31, 1994, were identified with the National Death Index and the study institution's administrative data base, respectively. RESULTS: During 1992 and 1993, 387 patients were discharged alive from hospitalization for heart failure. Among patients discharged on enalapril or captopril, 18% received doses recommended by heart failure clinical practice guidelines. Patients discharged on a recommended ACE inhibitor dose were more likely to be African-American and had lower sodium levels and higher mean arterial pressures than patients discharged on lower ACE inhibitor doses. In survival analyses, an increase in ACE inhibitor dose was associated with improved readmission-free survival, independent of left ventricular systolic function type. Receipt of an ACE inhibitor at discharge was also associated with superior readmission-free survival, while nonpharmacologic educational instructions were not associated with improved outcomes. CONCLUSION: Interventions are needed to improve the frequency with which ACE inhibitors are prescribed at recommended doses to hospitalized patients with heart failure. We conclude that among these patients, receipt of an ACE inhibitor at discharge and an increase in ACE inhibitor dose during hospitalization are each associated with measurable effects on readmission-free survival, while provision of educational instructions as currently practiced is not associated with better outcomes.

Aged↗
PubMed2006

Pharmaceutical promotion and GP prescription behaviour.

The aim of this paper is to empirically analyse the responses by general practitioners to promotional activities for ethical drugs by pharmaceutical companies. Promotion can be beneficial as a means of providing information, but it can also be harmful in the sense that it lowers price sensitivity of doctors and it merely is a means of maintaining market share, even when cheaper, therapeutically equivalent drugs are available. A model is estimated that includes interactions of promotion expenditures and prices and that explicitly exploits the panel structure of the data, allowing for drug specific effects and dynamic adjustments, or habit persistence. The data used are aggregate monthly GP prescriptions per drug together with monthly outlays on drug promotion for the period 1994-1999 for 11 therapeutic markets, covering more than half of the total prescription drug market in the Netherlands. Identification of price effects is aided by the introduction of the Pharmaceutical Prices Act, which established that Dutch drugs prices became a weighted average of the prices in surrounding countries after June 1996. We conclude that GP drug price sensitivity is small, but adversely affected by promotion. Ltd.

Drug Costs↗