Severe Chronic Pain
Conditions
Keywords
pain, fentanyl, transdermal patch
Brief summary
The aim of the study was to evaluate the efficacy and safety of Matrifen® in patients with severe and chronic pain who could only be sufficiently treated with opioid analgetics (WHO class 3).
Interventions
Fentanyl transdermal patch. This was an observational study - therefore, the physician decided about dosage according to individual needs
Sponsors
Study design
Eligibility
Inclusion criteria
Main inclusion criteria: * Outpatients with severe, chronic pain Main
Exclusion criteria
* Hypersensitivity to fentanyl * Co-administration of monoamineoxidase-inhibitors * Pregnancy * Respiratory depression * Chronic obstructive pulmonary disease (COPD) * Drug abuse * Impairment of CNS functions * Other criteria as defined in the Summary of Product Characteristics (Chapter 4.3)
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| EQ-5D (Optional): Visual Analogue Scale | Before and after therapy with Matrifen® (4 weeks) | Visual Analogue Scale (VAS) from 0 =worst imaginable health status, 100 =best imaginable health status |
| EQ-5D (Optional): Domain Usual Activities | Before and after therapy with Matrifen® (4 weeks) | This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no problems with performing my usual activities 2. I have some problems with performing my usual activities 3. I am unable to perform my usual activities |
| EQ-5D (Optional): Pain / Discomfort | Before and after therapy with Matrifen® (4 weeks) | This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no pain or discomfort 2. I have moderate pain or discomfort 3. I have extreme pain or discomfort |
| EQ-5D (Optional): Domain Anxiety / Depression | Before and after therapy with Matrifen® (4 weeks) | This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I am not anxious or depressed 2. I am moderately anxious or depressed 3. I am extremely anxious or depressed |
| EQ-5D (Optional): European Index Score | Before and after therapy with Matrifen® (4 weeks) | Index derived from the five EQ-5D-items (= mobility, self care, usual activities, pain/discomfort, anxiety/depression) resulting in a value from -1= very ill to 1=full health |
| Patient's Assessment of Pain Severity Score | Before and after therapy with Matrifen® (4 weeks) | Assessment on a Visual Analogue Scale from 0=No pain to 10=Most severe pain |
| Physician's Final Assessment of the Efficacy of Therapy With Matrifen® | After 4 week therapy with Matrifen® | Assessment on a scale: Excellent, good, satisfactory, dissatisfactory |
| EQ-5D (Optional): Domain Mobility | Before and after therapy with Matrifen® (4 weeks) | This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no problems in walking around 2. I have some problems in walking around 3. I am confined to bed |
| EQ-5D (Optional): Domain Self Care | Before and after therapy with Matrifen® (4 weeks) | This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no problems with self-care 2. I have some problems washing or dressing myself 3. I am unable to wash or dress myself |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Patient's Assessment of the Acceptance of the Fentanyl-patches | After 4 week therapy with Matrifen® | Assessment on a scale: Excellent, good, satisfactory, dissatisfactory |
| Physician's Assessment of the Adhesion Properties of the Fentanyl-patches | After 4 week therapy with Matrifen® | Assessment on a scale: Excellent, good, satisfactory, dissatisfactory |
| Physician's Final Assessment of the Tolerability of Matrifen® | After 4 week therapy with Matrifen® | Assessment on a scale: Excellent, good, satisfactory, dissatisfactory |
| Physician's Assessment of the Skin Tolerability of the Fentanyl-patches | After 4 week therapy with Matrifen® | Assessment on a scale: Excellent, good, satisfactory, dissatisfactory |
Countries
Germany
Participant flow
Participants by arm
| Arm | Count |
|---|---|
| Matrifen® All patients enrolled | 5,308 |
| Total | 5,308 |
Withdrawals & dropouts
| Period | Reason | FG000 |
|---|---|---|
| Overall Study | Combination of multiple reasons | 176 |
| Overall Study | Missing data | 52 |
Baseline characteristics
| Characteristic | Matrifen® |
|---|---|
| Age Continuous | 70.3 years STANDARD_DEVIATION 13.2 |
| Gender Female | 3334 participants |
| Gender Male | 1971 participants |
| Type of pain Missing data | 7 participants |
| Type of pain Other type of pain | 877 participants |
| Type of pain Pain caused by a tumor | 1359 participants |
| Type of pain Severe pain when moving | 3751 participants |
| Underlying disease Dermatological disorders | 51 Participants |
| Underlying disease Missing data | 371 Participants |
| Underlying disease Musculoskeletal disorders | 3396 Participants |
| Underlying disease Neurological disorders | 514 Participants |
| Underlying disease Tumor | 1416 Participants |
| Underlying disease Underlying disease NOS | 210 Participants |
Adverse events
| Event type | EG000 affected / at risk |
|---|---|
| deaths Total, all-cause mortality | — / — |
| other Total, other adverse events | 0 / 5,308 |
| serious Total, serious adverse events | 80 / 5,308 |
Outcome results
EQ-5D (Optional): Domain Anxiety / Depression
This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I am not anxious or depressed 2. I am moderately anxious or depressed 3. I am extremely anxious or depressed
Time frame: Before and after therapy with Matrifen® (4 weeks)
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Domain Anxiety / Depression | 2.03 Units on a scale | Standard Deviation 0.66 |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Anxiety / Depression | 1.47 Units on a scale | Standard Deviation 0.56 |
EQ-5D (Optional): Domain Anxiety / Depression
This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I am not anxious or depressed 2. I am moderately anxious or depressed 3. I am extremely anxious or depressed
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Domain Anxiety / Depression | I am not anxious or depressed | 688 Participants |
| Matrifen® | EQ-5D (Optional): Domain Anxiety / Depression | I am moderately anxious or depressed | 1949 Participants |
| Matrifen® | EQ-5D (Optional): Domain Anxiety / Depression | I am extremely anxious or depressed | 798 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Anxiety / Depression | I am not anxious or depressed | 1920 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Anxiety / Depression | I am moderately anxious or depressed | 1409 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Anxiety / Depression | I am extremely anxious or depressed | 106 Participants |
EQ-5D (Optional): Domain Mobility
This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no problems in walking around 2. I have some problems in walking around 3. I am confined to bed
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Domain Mobility | 2.03 Units on a scale | Standard Deviation 0.44 |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Mobility | 1.69 Units on a scale | Standard Deviation 0.58 |
EQ-5D (Optional): Domain Mobility
This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no problems in walking around 2. I have some problems in walking around 3. I am confined to bed
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Domain Mobility | I have no problems in walking around | 284 Participants |
| Matrifen® | EQ-5D (Optional): Domain Mobility | I have some problems in walking around | 2779 Participants |
| Matrifen® | EQ-5D (Optional): Domain Mobility | I am confined to bed | 372 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Mobility | I have no problems in walking around | 1294 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Mobility | I have some problems in walking around | 1923 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Mobility | I am confined to bed | 218 Participants |
EQ-5D (Optional): Domain Self Care
This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no problems with self-care 2. I have some problems washing or dressing myself 3. I am unable to wash or dress myself
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Domain Self Care | I have no problems with self-care | 682 Participants |
| Matrifen® | EQ-5D (Optional): Domain Self Care | I have some problems washing or dressing myself | 2152 Participants |
| Matrifen® | EQ-5D (Optional): Domain Self Care | I am unable to wash or dress myself | 601 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Self Care | I have no problems with self-care | 1709 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Self Care | I have some problems washing or dressing myself | 1461 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Self Care | I am unable to wash or dress myself | 265 Participants |
EQ-5D (Optional): Domain Self Care
This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no problems with self-care 2. I have some problems washing or dressing myself 3. I am unable to wash or dress myself
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Domain Self Care | 1.98 Units on a scale | Standard Deviation 0.61 |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Self Care | 1.58 Units on a scale | Standard Deviation 0.63 |
EQ-5D (Optional): Domain Usual Activities
This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no problems with performing my usual activities 2. I have some problems with performing my usual activities 3. I am unable to perform my usual activities
Time frame: Before and after therapy with Matrifen® (4 weeks)
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Domain Usual Activities | 2.27 Units on a scale | Standard Deviation 0.53 |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Usual Activities | 1.80 Units on a scale | Standard Deviation 0.62 |
EQ-5D (Optional): Domain Usual Activities
This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no problems with performing my usual activities 2. I have some problems with performing my usual activities 3. I am unable to perform my usual activities
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Domain Usual Activities | I have no problems with performing my usual activi | 142 Participants |
| Matrifen® | EQ-5D (Optional): Domain Usual Activities | I have some problems with performing my usual acti | 2227 Participants |
| Matrifen® | EQ-5D (Optional): Domain Usual Activities | I am unable to perform my usual activities | 1066 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Usual Activities | I have no problems with performing my usual activi | 1070 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Usual Activities | I have some problems with performing my usual acti | 1973 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Domain Usual Activities | I am unable to perform my usual activities | 392 Participants |
EQ-5D (Optional): European Index Score
Index derived from the five EQ-5D-items (= mobility, self care, usual activities, pain/discomfort, anxiety/depression) resulting in a value from -1= very ill to 1=full health
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| Matrifen® | EQ-5D (Optional): European Index Score | Initial visit | 0.078 Units on a scale | Standard Deviation 0.35 |
| Matrifen® | EQ-5D (Optional): European Index Score | Final visit | 0.584 Units on a scale | Standard Deviation 0.31 |
EQ-5D (Optional): Pain / Discomfort
This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no pain or discomfort 2. I have moderate pain or discomfort 3. I have extreme pain or discomfort
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Pain / Discomfort | I have no pain or discomfort | 18 Participants |
| Matrifen® | EQ-5D (Optional): Pain / Discomfort | I have moderate pain or discomfort | 1104 Participants |
| Matrifen® | EQ-5D (Optional): Pain / Discomfort | I have extreme pain or discomfort | 2313 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Pain / Discomfort | I have no pain or discomfort | 749 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Pain / Discomfort | I have moderate pain or discomfort | 2503 Participants |
| Matrifen® / Final Visit | EQ-5D (Optional): Pain / Discomfort | I have extreme pain or discomfort | 183 Participants |
EQ-5D (Optional): Pain / Discomfort
This outcome measure to assess patients quality of life is based on an optional standardised patient questionnaire (EQ-5D). Questions on a scale from 1-3 at initial and final visit: 1. I have no pain or discomfort 2. I have moderate pain or discomfort 3. I have extreme pain or discomfort
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Pain / Discomfort | 2.67 Units on a scale | Standard Deviation 0.48 |
| Matrifen® / Final Visit | EQ-5D (Optional): Pain / Discomfort | 1.84 Units on a scale | Standard Deviation 0.49 |
EQ-5D (Optional): Visual Analogue Scale
Visual Analogue Scale (VAS) from 0 =worst imaginable health status, 100 =best imaginable health status
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| Matrifen® | EQ-5D (Optional): Visual Analogue Scale | Initial visit | 40.1 Units on a scale | Standard Deviation 22 |
| Matrifen® | EQ-5D (Optional): Visual Analogue Scale | Final visit | 58.8 Units on a scale | Standard Deviation 20.4 |
Patient's Assessment of Pain Severity Score
Assessment on a Visual Analogue Scale from 0=No pain to 10=Most severe pain
Time frame: Before and after therapy with Matrifen® (4 weeks)
Population: Patients included and treated with valid data at first and last visit (without imputation of missing values), intention to treat
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| Matrifen® | Patient's Assessment of Pain Severity Score | Start of therapy | 7.12 Units on a scale | Standard Deviation 1.52 |
| Matrifen® | Patient's Assessment of Pain Severity Score | End of study | 3.32 Units on a scale | Standard Deviation 1.66 |
Physician's Final Assessment of the Efficacy of Therapy With Matrifen®
Assessment on a scale: Excellent, good, satisfactory, dissatisfactory
Time frame: After 4 week therapy with Matrifen®
Population: All patients included and treated, intention to treat, missing values not imputed
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Matrifen® | Physician's Final Assessment of the Efficacy of Therapy With Matrifen® | Excellent | 2530 Participants |
| Matrifen® | Physician's Final Assessment of the Efficacy of Therapy With Matrifen® | Good | 2273 Participants |
| Matrifen® | Physician's Final Assessment of the Efficacy of Therapy With Matrifen® | Satisfactory | 365 Participants |
| Matrifen® | Physician's Final Assessment of the Efficacy of Therapy With Matrifen® | Dissatisfactory | 73 Participants |
| Matrifen® | Physician's Final Assessment of the Efficacy of Therapy With Matrifen® | Missing data | 67 Participants |
Patient's Assessment of the Acceptance of the Fentanyl-patches
Assessment on a scale: Excellent, good, satisfactory, dissatisfactory
Time frame: After 4 week therapy with Matrifen®
Population: All patients included and treated, intention to treat, missing values not imputed
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Matrifen® | Patient's Assessment of the Acceptance of the Fentanyl-patches | Good | 1725 Participants |
| Matrifen® | Patient's Assessment of the Acceptance of the Fentanyl-patches | Missing data | 104 Participants |
| Matrifen® | Patient's Assessment of the Acceptance of the Fentanyl-patches | Excellent | 3210 Participants |
| Matrifen® | Patient's Assessment of the Acceptance of the Fentanyl-patches | Satisfactory | 168 Participants |
| Matrifen® | Patient's Assessment of the Acceptance of the Fentanyl-patches | Dissatisfactory | 101 Participants |
Physician's Assessment of the Adhesion Properties of the Fentanyl-patches
Assessment on a scale: Excellent, good, satisfactory, dissatisfactory
Time frame: After 4 week therapy with Matrifen®
Population: All patients included and treated, intention to treat, missing values not imputed
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Matrifen® | Physician's Assessment of the Adhesion Properties of the Fentanyl-patches | Excellent | 3274 Participants |
| Matrifen® | Physician's Assessment of the Adhesion Properties of the Fentanyl-patches | Good | 1777 Participants |
| Matrifen® | Physician's Assessment of the Adhesion Properties of the Fentanyl-patches | Satisfactory | 162 Participants |
| Matrifen® | Physician's Assessment of the Adhesion Properties of the Fentanyl-patches | Dissatisfactory | 35 Participants |
| Matrifen® | Physician's Assessment of the Adhesion Properties of the Fentanyl-patches | Missing data | 60 Participants |
Physician's Assessment of the Skin Tolerability of the Fentanyl-patches
Assessment on a scale: Excellent, good, satisfactory, dissatisfactory
Time frame: After 4 week therapy with Matrifen®
Population: All patients included and treated, intention to treat, missing values not imputed
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Matrifen® | Physician's Assessment of the Skin Tolerability of the Fentanyl-patches | Excellent | 3403 Participants |
| Matrifen® | Physician's Assessment of the Skin Tolerability of the Fentanyl-patches | Good | 1716 Participants |
| Matrifen® | Physician's Assessment of the Skin Tolerability of the Fentanyl-patches | Satisfactory | 82 Participants |
| Matrifen® | Physician's Assessment of the Skin Tolerability of the Fentanyl-patches | Dissatisfactory | 18 Participants |
| Matrifen® | Physician's Assessment of the Skin Tolerability of the Fentanyl-patches | Missing data | 89 Participants |
Physician's Final Assessment of the Tolerability of Matrifen®
Assessment on a scale: Excellent, good, satisfactory, dissatisfactory
Time frame: After 4 week therapy with Matrifen®
Population: All patients included and treated, intention to treat, missing values not imputed
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| Matrifen® | Physician's Final Assessment of the Tolerability of Matrifen® | Excellent | 2866 Participants |
| Matrifen® | Physician's Final Assessment of the Tolerability of Matrifen® | Good | 2058 Participants |
| Matrifen® | Physician's Final Assessment of the Tolerability of Matrifen® | Satisfactory | 161 Participants |
| Matrifen® | Physician's Final Assessment of the Tolerability of Matrifen® | Dissatisfactory | 75 Participants |
| Matrifen® | Physician's Final Assessment of the Tolerability of Matrifen® | Missing data | 148 Participants |