Medication Adherence and Non-adherence in Adults With Rare Disease
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ClinicalTrials.gov Identifier: NCT04541875 |
Recruitment Status :
Withdrawn
(Liquidation of sponsor)
First Posted : September 9, 2020
Last Update Posted : May 12, 2022
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Condition or disease | Intervention/treatment |
---|---|
Cystic Fibrosis Hemophilia A Hemophilia B Idiopathic Pulmonary Fibrosis Myasthenia Gravis Sickle Cell Disease | Other: MAR-Scale |
Study Type : | Observational |
Actual Enrollment : | 0 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | A Longitudinal, Digital Study Using the Medication Adherence Reasons Scale (MAR-Scale) to Identify the Reasons for Non-adherence to Medications in Rare Disease |
Estimated Study Start Date : | January 2021 |
Estimated Primary Completion Date : | September 2022 |
Estimated Study Completion Date : | September 2022 |

Group/Cohort | Intervention/treatment |
---|---|
Cystic fibrosis
Patients aged 18+ and diagnosed with cystic fibrosis. Patients will answer the MAR-Scale once every three months for a year. |
Other: MAR-Scale
The MAR-Scale is a 20-item questionnaire based on commonly reported reasons for non-adherence to medications. |
Hemophilia A or B
Patients aged 18+ and diagnosed with hemophilia A or B. Patients will answer the MAR-Scale once every three months for a year. |
Other: MAR-Scale
The MAR-Scale is a 20-item questionnaire based on commonly reported reasons for non-adherence to medications. |
Idiopathic pulmonary fibrosis
Patients aged 18+ and diagnosed with idiopathic pulmonary fibrosis. Patients will answer the MAR-Scale once every three months for a year. |
Other: MAR-Scale
The MAR-Scale is a 20-item questionnaire based on commonly reported reasons for non-adherence to medications. |
Myasthenia gravis
Patients aged 18+ and diagnosed with myasthenia gravis. Patients will answer the MAR-Scale once every three months for a year. |
Other: MAR-Scale
The MAR-Scale is a 20-item questionnaire based on commonly reported reasons for non-adherence to medications. |
Sickle cell disease
Patients aged 18+ and diagnosed with sickle cell disease. Patients will answer the MAR-Scale once every three months for a year. |
Other: MAR-Scale
The MAR-Scale is a 20-item questionnaire based on commonly reported reasons for non-adherence to medications. |
- To use the MAR-Scale to determine the extent of non-adherence to specific medications indicated to treat a range of rare diseases. [ Time Frame: Baseline ]Percentage of respondents who indicated at least one reason for non-adherence in the past seven days.
- To use the MAR-Scale to determine the extent of non-adherence to specific medications indicated to treat a range of rare diseases. [ Time Frame: 3 months ]Percentage of respondents who indicated at least one reason for non-adherence in the past seven days.
- To use the MAR-Scale to determine the extent of non-adherence to specific medications indicated to treat a range of rare diseases. [ Time Frame: 6 months ]Percentage of respondents who indicated at least one reason for non-adherence in the past seven days.
- To use the MAR-Scale to determine the extent of non-adherence to specific medications indicated to treat a range of rare diseases. [ Time Frame: 9 months ]Percentage of respondents who indicated at least one reason for non-adherence in the past seven days.
- To use the MAR-Scale to determine the extent of non-adherence to specific medications indicated to treat a range of rare diseases. [ Time Frame: 1 year ]Percentage of respondents who indicated at least one reason for non-adherence in the past seven days.
- To use the MAR-Scale to identify the top patient-reported reasons for non-adherence to specific medications indicated to treat these rare diseases. [ Time Frame: Baseline ]Tally of reasons for non-adherence.
- To use the MAR-Scale to identify the top patient-reported reasons for non-adherence to specific medications indicated to treat these rare diseases. [ Time Frame: 3 months ]Tally of reasons for non-adherence.
- To use the MAR-Scale to identify the top patient-reported reasons for non-adherence to specific medications indicated to treat these rare diseases. [ Time Frame: 6 months ]Tally of reasons for non-adherence.
- To use the MAR-Scale to identify the top patient-reported reasons for non-adherence to specific medications indicated to treat these rare diseases. [ Time Frame: 9 months ]Tally of reasons for non-adherence.
- To use the MAR-Scale to identify the top patient-reported reasons for non-adherence to specific medications indicated to treat these rare diseases. [ Time Frame: 1 year ]Tally of reasons for non-adherence.
- To perform psychometric analysis of the MAR-Scale questionnaire based on data collected from rare disease patients. [ Time Frame: Baseline ]Use the 200 responses collected from each condition to determine the Cronbach's alpha of the scale for each condition.

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Have a confirmed (self-reported) diagnosis by a doctor or other licensed healthcare professional of one of the following conditions:
- Cystic fibrosis
- Hemophilia (A or B)
- Idiopathic pulmonary fibrosis
- Myasthenia gravis
- Sickle cell disease
- Have access to the internet
- Are aged 18 years or above
- Are comfortable reading and answering questions in English
- Have an active prescription for at least one medication indicated to treat the relevant condition (self-reported)
- NB: Individuals will be eligible even if the prescription has not been dispensed (filled) yet, and also if they have the medication(s), but are not actually taking it/them Are able and willing to provide consent electronically through the my.raremark.com platform
Exclusion Criteria:
- There are no exclusion criteria. Any member of a Raremark community will be able to take part in this study if they meet the inclusion criteria and can provide their informed consent.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04541875
Principal Investigator: | Elizabeth J Unni, BpharmMBAPhD | Touro College of Pharmacy |
Responsible Party: | Xperiome |
ClinicalTrials.gov Identifier: | NCT04541875 |
Other Study ID Numbers: |
RM-RP005 |
First Posted: | September 9, 2020 Key Record Dates |
Last Update Posted: | May 12, 2022 |
Last Verified: | May 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Undecided |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Adherence MAR-Scale Rare disease Observational |
Myasthenia Gravis Cystic Fibrosis Pulmonary Fibrosis Idiopathic Pulmonary Fibrosis Hemophilia A Anemia, Sickle Cell Hemophilia B Fibrosis Rare Diseases Pathologic Processes Pancreatic Diseases Digestive System Diseases Lung Diseases Respiratory Tract Diseases Genetic Diseases, Inborn |
Infant, Newborn, Diseases Blood Coagulation Disorders, Inherited Blood Coagulation Disorders Hematologic Diseases Coagulation Protein Disorders Hemorrhagic Disorders Anemia, Hemolytic, Congenital Anemia, Hemolytic Anemia Hemoglobinopathies Lung Diseases, Interstitial Disease Attributes Paraneoplastic Syndromes, Nervous System Nervous System Neoplasms Neoplasms by Site |