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Optimizing Care for Patients with Depression: A Randomized Controlled Trial of Pharmacist Interventions to Enhance Adherence, Outcomes, and Satisfaction in a Tertiary Sri Lankan

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SLCTR Registration Number

SLCTR/2026/003


Date of Registration

28 Jan 2026

The date of last modification

Jan 28, 2026



Application Summary


Scientific Title of Trial

Optimizing Care for Patients with Depression: A Randomized Controlled Trial of Pharmacist Interventions to Enhance Adherence, Outcomes, and Satisfaction in a Tertiary Sri Lankan


Public Title of Trial

Effect of pharmacist-provided education on medication adherence and treatment outcomes among patients with depression compared with usual care.


Disease or Health Condition(s) Studied

Clinical depression according to ICD-10


Scientific Acronym


Public Acronym


Brief title

Optimising Depression Care with Pharmacist interventions: A Randomised Control Trial


Universal Trial Number

U1111-1329-5604


Any other number(s) assigned to the trial and issuing authority

ERC number: 2025/EC/68


Trial Details


What is the research question being addressed?

Does the integration of a clinical pharmacist into the care of patients diagnosed with depression improve medication adherence, reduce drug-related problems, and enhance clinical and economic outcomes compared to usual care?


Type of study

Interventional


Study design

Allocation

Randomized controlled trial


Masking

Masking not used


Control

Standard therapy/practice


Assignment

Parallel


Purpose

Health services research


Study Phase

Not Applicable


Intervention(s) planned

Study setting: Psychiatric wards, and clinic of Teaching Hospital Peradeniya and National hospital Kandy

Randomization: Simple randmaomization through computer-generated random numbers.

Intervention: Participants in the intervention arm will receive a structured, pharmacist-led clinical pharmacy service consisting of the following components: 1. Timing, Duration, and Frequency • At baseline/discharge: o Medication reconciliation o Comprehensive medication counselling • Follow-up visits at 1 month, 3 months, and 6 months: o Review and optimization of medication regimens in collaboration with the medical team o Ongoing counselling and monitoring of adherence and safety 2. Content of the Intervention • Medication reconciliation: Identification and correction of discrepancies across patient medication lists. • Medication counselling: Education on indications, dose, duration, adherence strategies, side effects, and lifestyle considerations using motivational interviewing techniques, and Role Play Counselling Framework (HEADU) etc.

Control group (Pharmaceutical care): Routine pharmacy care including dispensing with minimal counselling.


Inclusion criteria

• Patients diagnosed with clinical depression according to ICD-10 • Patients aged 18 years or older. • Both male and female


Exclusion criteria

• Patients with significant cognitive impairments or communication barriers • Patients participating in other ongoing clinical trials or specific treatment related to depression treatment. • Psychotic or bipolar disorder • Pregnant women



Primary outcome(s)

1.

Medication adherence assessed by Medication adherence- Brief Medication Questionnaire

[

baseline ,1 month ,3 month and 6 month

]
2.

Number of re admissions and suicidal attempts

[

baseline ,1 month ,3 month and 6 month

]

Secondary outcome(s)

1.

Drug related problems assessed by PCNE Classification for Drug-Related Problems V9.1 (a standardized, hierarchical system for identifying, documenting, and resolving issues in drug therapy)

[

baseline ,1 month ,3 month and 6 month

]
2.

Severity of depression (assessd by Peradeniya depression scale) , Treatment satisfaction (assessed by WHOQOLBRIFF tool), Patient satisfaction (assessed by Treatment satisfaction questionnaire of medicine (TSQM)), Cost benefit of providing clinical pharmacy service (Study questionnaire related to cost benefit analysis)

[

baseline ,and 6 month

]

Target number/sample size

144 (72 per group)


Countries of recruitment

Sri Lanka


Anticipated start date

2026-02-20


Anticipated end date

2027-01-01


Date of first enrollment


Date of study completion


Recruitment status

Pending


Funding source

N/A


Regulatory approvals

N/A



State of Ethics Review Approval


Status

Approved


Date of Approval

2025-09-23


Approval number

EC/2024/68


Details of Ethics Review Committee

Name: Ethics Review Committee of the Faculty of Medicine, University of Peradeniya
Institutional Address:Ethics Review Committee of the Faculty of Medicine, University of Peradeniya
Telephone:
Email: chairperson.erc@med.pdn.ac.lk

Contact & Sponsor Information


Contact person for Scientific Queries/Principal Investigator

K.A.I.U.Peiris
pharmacist
Faculty of Medicine higher degree institute, University of Peradeniya

0776055886

isuriupekshani@gmail.com

Contact Person for Public Queries

Prof. Dewashmika Ariyasinghe
Professor in Psychiatry
Department of Psychiatry, Faculty of Medicine, University of Peradeniya
0812396000
0718704480

dewasmika.ariyasinghe@med.pdn.ac.lk


Primary study sponsor/organization

Faculty of Medicine higher degree institute, University of Peradeniya





Secondary study sponsor (If any)







Trial Completion details


Do the investigators plan to share identified individual clinical trial participant-level data (IPD)?

Yes


IPD sharing plan description

Individual participant data that underlie the results being reported, after de-identification (text, tables, figures and appendices) will be shared. Study protocol will be made available once published. Data will be made available following publication. Data will be shared with investigators whose proposed use of the data has been approved by an independent review committee identified for this purpose in order to achieve the aims in an approved proposal. Proposals should be directed to principal investigator (isuriupekshani@gmail.com). To gain access, data requestors will need to sign a data access agreement. Data will be provided as deidentified as an excel sheet.


Study protocol available

No


Protocol version and date

Not Available


Protocol URL

Not Available


Results summary available

No


Date of posting results


Date of study completion


Final sample size


Date of first publication


Link to results


Brief summary of results