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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03125668
Other study ID # 38736914.1.0000.5393
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date October 1, 2015
Est. completion date November 30, 2017

Study information

Verified date March 2020
Source University of Sao Paulo
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to test an educational program with telephone follow-up to improve health-related quality of life (HRQoL), treatment adherence, and reduce anxiety and depression symptoms in patients who are starting oral anticoagulants (OA).


Description:

Randomized controlled trial (RCT) at two Brazilian public hospitals, one in Ribeirão Preto and another one in Américo Brasiliense, state of São Paulo, Brazil.

Both groups will receive the educational program (Power Point®Slides, booklets and orientation) at the hospitalization. After the hospital discharge, the intervention group will receive the telephone follow-up (five calls for six months: 1st call in one week and the others calls month by month until six months) and two face to face counseling (1st meeting in three months and the 2nd meeting in six months). The control group just receive the same face to face counseling (1st meeting in three months and the 2nd meeting in six months) after the hospital discharge.

The educational program consist in information about the use of Warfarin and approach the specific topics in Power Point®Slides: Physiology: Definition of oral anticoagulants, mechanisms of action and clinical indication; Medication: Dose, time, storage and duration of therapy; Monitoring: Meaning of International Normalized Ratio (INR) , collection period and doctor's appointments; Other medications: Drug interactions and those considered "natural"; Feeding: Eating foods rich in K vitamin and fats; Alcoholic beverage: Care about alcohol , and if it occurs, does not stop the Oral Anticoagulants; Gestation: Necessity to start IV anticoagulants; Activities: In physical, domestic or work activities to use protective measures; Health treatment: Warn about OA to other professional and take the card of INR values; Travels: On trips take the OA and be programmed to the realization of INR out of their units; Signs /Symptoms: Report underdose (thrombus formation) and overdose (bleeding), seek health care.

After the orientations with Power Point®Slides, the patients receive one booklet with the same informations and the researcher answer any questions that patients have about the anticoagulation therapy.

In this moment (at hospitalization) the researcher also collects the data about symptoms of anxiety and depression using the validated questionnaire.

During the telephone calls the researcher talk with the patient about the topics that were approach in the educational intervention and motivate the patient to follow the recommendations for they have a successful treatment.

In the face to face counseling (three and six months after hospital discharge) the researcher collect the data about anxiety and depression again, health-related quality of life and adverse events related to oral anticoagulation therapy.


Recruitment information / eligibility

Status Completed
Enrollment 52
Est. completion date November 30, 2017
Est. primary completion date May 30, 2017
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Age over 18 years;

- Both genders;

- To start the use of Warfarin for the first time during the current hospitalization;

- To have a phone.

Exclusion Criteria:

- To start the Oral Anticoagulation Therapy with another oral anticoagulant;

- To start the Warfarin for surgical procedures;

- To have visual or hearing impairments;

- Don't have cognitive conditions* to answer the questions of data collection instruments (measured by adapted questions from Pfiefer (1975);

- To have a cancer diagnosis.

Study Design


Intervention

Behavioral:
Educational Program
At the hospitalization, patients receive the educational program with Power Point®Slides, booklets and orientation about the use of warfarin.
Telephone follow-up
After hospital discharge they receive a telephone follow-up (five calls for six months: 1st call in one week and the others calls month by month until six months). During the telephone calls the researcher talk with the patient about the topics that were approach in the educational intervention and motivate the patient to follow the recommendations for they have a successful treatment.
Face to face counseling
They receive two face to face counseling (1st meeting in three months and the 2nd meeting in six months after hospital discharge). In the face to face counseling the researcher collect the data about anxiety and depression again, health-related quality of life and adverse events related to oral anticoagulation therapy.

Locations

Country Name City State
Brazil Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo Ribeirao Preto São Paulo

Sponsors (1)

Lead Sponsor Collaborator
University of Sao Paulo

Country where clinical trial is conducted

Brazil, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Health-Related Quality of Life The Duke Anticoagulation Satisfaction Scale (DASS) was developed by Samsa et al. (2004) and validated for the Brazilian population by Pelegrino et al. (2011). The scale have 25 items divided in three domains: Limitation (9 items); Hassles and burdens (8 items); Psychological Impacts (8 items). All items have seven response categories: "not at all", "a little", "somewhat", "moderately", "quite a bit", "a lot", and "very much". Possible range: 25 to 175 and lower scores, indicated better Health-Related Quality of Life. Three and six months after hospital discharge
Secondary Change in Symptoms of Anxiety and Depression The questionnaire "Hospital Anxiety and Depression Scale (HADS)" was developed by Zigmond and Snaith (1983) and validated and adapted to Portuguese by Botega et al. (1995). The HADS contains 14 multiple choice questions, divided into two subscales: anxiety and depression (composed of seven items each).This questionnaire will be used to collect the data at baseline and at six months. At baseline, Three and six months after hospital discharge.
Secondary Adherence Patient adherence to oral anticoagulation therapy will be assessed by the INR (International Normalized Ratio) stability that will be calculated by the percentage of time patients remain within the measurement range using the number of INRs within the therapeutic range, divided by the number of INRs collected. INR values during the six months follow-up
Secondary Assessment and frequency of adverse events related to Warfarin Three questions developed by the authors about adverse events related to Warfarin. Three and six months after hospital discharge
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