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Role of the Pharmacist in Detection of Drug Interactions Before Antitumor Treatment Initiation

Role of the Clinical Pharmacist in an Oncology Ambulatory Center to Prevent Drug Related Problems Before Antitumor Treatment Initiation

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04142567
Acronym
CHOPIN
Enrollment
440
Registered
2019-10-29
Start date
2020-02-11
Completion date
2021-10-22
Last updated
2026-03-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neoplasm

Keywords

Drug drug interactions, Pharmacist interventions, Cancer patients, Out patient setting

Brief summary

The purpose of this observational study is to evaluate the benefits of a pharmacist integration in an oncology ambulatory center, to prevent drug related problems (in particular drug drug interactions) at antitumor treatment initiation. The hypothesis of this work is that a drug drug interaction will be observed in 30% of cancer patients and will have a major clinical impact in 1% of the cases. The primary endpoint is the prevalence of pharmacist interventions among patients who are going to receive an oral targeted therapy or cancer chemotherapy or immunotherapy

Detailed description

The purpose of this observational study is to evaluate the benefits of a pharmacist integration in an oncology ambulatory center, to prevent drug related problems (in particular drug drug interactions) at antitumor treatment initiation. The hypothesis of this work is that a drug drug interaction will be observed in 30% of cancer patients and will have a major clinical impact in 1% of the cases. The primary endpoint is the prevalence of pharmacist interventions among cancer patients who are going to receive an oral targeted therapy (140 patients) or cancer chemotherapy or immunotherapy (300 patients). Pharmacist interventions will be classified according to the SFPC (société française de pharmacie Clinique) classification. The secondary endpoints are * The detection of drug drug interactions with theriaque software, Micromedex software and DDI predictor tool. * The clinical gradation by an independent expert comity of the clinical impact of avoided drug drug interaction. The expert comity will grade avoided clinical consequences in 3 levels (minor, moderate or major), * The Economic evaluation of pharmacist intervention: Cost of the project to evaluate drug drug interaction and benefits after evaluation of avoided clinical consequences * The Adherence evaluation of patients treated with oral cancer targeted therapy (Therefore, only patients under oral targeted therapy will be evaluated at Day0, Day15 ,Day 30 and Month 6 to determine adherence.)

Interventions

None listed

Sponsors

Assistance Publique - Hôpitaux de Paris
Lead SponsorOTHER
URC-CIC Paris Descartes Necker Cochin
CollaboratorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* legal age patients * Affiliated to social security or with another insurance system * with a solid tumor * who are going to receive an antitumor treatment (chemotherapy, immunotherapy or oral targeted therapy)

Exclusion criteria

* pregnant women * minor patient

Design outcomes

Primary

MeasureTime frameDescription
Prevalence of Pharmacist interventionup to 1 week from date of inclusionPercentage of patients whom antitumora treatment or usual treatment has been changed by the pharmacist intervention

Secondary

MeasureTime frameDescription
Detection of Drug -drug interactionsup to 1 week from date of inclusionNumber of drug drug interactions detected
Clinical gradation of drug drug interactionsOne yearGradation by an independent experts comity of the clinical impact of prevented drug drug interaction
Cost of the pharmacist intervention by avoided clinical consequenceOne yearCost evaluation of pharmacist for analysis and medication review with patient by avoided interaction
Potential cost of the avoided clinical consequencesOne yearTreatment cost of avoided clinical consequences , balanced with the probability of occurrence
Adherence evaluation with oral cancer targeted therapy by therapeutic drug monitoringday 15, 30 and 6 months after oral therapy initiationPatients with plasma drug concentration below the 10th percentile will be classified as nonadherent patients
Adherence evaluation with oral cancer targeted therapy by the 6 item-Girerd Scaleday 15, 30 and 6 months after oral therapy initiationPatients with a Girerd score greater than or equal to 3 will be classified as nonadherent patients
Adherence evaluation with oral cancer targeted therapy by pill count6 months after oral therapy initiationPill counts will be used to calculate the percent of total prescribed dose taken to prescribed during the 90-day period

Countries

France

Contacts

PRINCIPAL_INVESTIGATORAudrey Thomas-Schoemann, PharmD, PhD

Assistance Publique - Hôpitaux de Paris

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 28, 2026