E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
|
E.1.1.1 | Medical condition in easily understood language |
pulmonary scars due to asbestos |
littekens in de long door asbest |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Respiratory Tract Diseases [C08] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
to investigate the safety and tolerability of pirfenidone in asbestosis patients |
de veiligheid en verdraagzaamheid van pirfenidon bij asbestose patienten onderzoeken |
|
E.2.2 | Secondary objectives of the trial |
Secondary objective is describing the effect of pirfenidone |
secundaire doel is het beschrijven van het effect van pirfenidon |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Patients (40-85 years) with confirmed asbestosis by Dutch NVALT IPF expertise-panel (History of asbestos exposition with 15-30 years latency
AND pleural plaques OR asbestos fibers in pulmonary lavage OR asbestos fibers confirmed in lung biopsy), AND criteria 1-6
1. written informed consent
2. FVC ≥ 50% predicted, DLCO ≥ 25%
3. Minimal 6 minute walk test distance 150 meter
4. FEV1/FVC > 0.70
5. Documented disease progression in 3-6 months (absolute of relative FVC decrease > 5% in 3-6 months or absolute or relative DLCOc decrease > 10% in 3-6 months, or decrease ≥ 25 meter on 6 minute walk test in 3-6 months)
|
patienten (40-85 jaar) met bevestigde asbestose door het NVALT IPF expertisepanel (asbestinhalatie 15-30 jaar geleden EN pleurale plaques OF asbestvezels in longlavage of longbiopt) EN criteria 1 t/m 6
1. Geschreven geïnformeerde toestemming
2. FVC ≥ 50% voorspeld, DLCO ≥ 25%
3. Minimaal 6 minuten loop test, afstand 150 meter
4. FEV1/FVC > 0.70
5, Vastgelegde ziekte progressive binnen 3-6 maanden (Absolute of relatieve FVC afname > 5% binnen 3-6 maanden, of absolute of relatieve DLCO afname > 10% binnen 3-6 maanden, of afname ≥ 25 meter van de 6 minuten loop test binnen 3-6 maanden) |
|
E.4 | Principal exclusion criteria |
1. current smoker
2. > 15% emphysema on HRCT thorax
3. >10mg prednisone daily or other immunosuppressant (MTX, azathioprine, cyclophosphamide)
4. malignancy
5. Hepatic impairment (History of hepatic impairment, elevation of transaminase enzymes, or the confirmation of any of the following liver function test criteria above the specified limits: Total bilirubin above the upper limit of normal (ULN), Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) >1.5 × ULN, Alkaline phosphatase > 2.0 × ULN)
6. Renal impairment (GFR < 30 ml/min or dialysis)
7.Pregnancy
8.Concomitant use of a strong and selective inhibitor of CYP1A2 (Fluvoxamin, enoxacin)
|
1. actief roker
2. > 15% emphysema op HRCT thorax
3. >10mg prednison dagelijks of andere immunosuppresiva
4. Maligniteit
5. Leverfunctiestoornis (voorgeschiedenis met leverfunctiestoornis, bilirubine > bovenwaarde van normaal, ASAT of ALAT > 1.5 x bovenwaarde van normaal, Alkalish fosfatase > 2.0 × bovenwaarde van normaal)
6. Nierfunctiestoornis (GFR < 30 ml/min of dialyse)
7. zwangerschap
8. tijdens de trial gebruik van een sterke CYP1A2 remmer (fluvoxamine, enoxacine) |
|
E.5 End points |
E.5.1 | Primary end point(s) |
The primary objective is to investigate the safety and tolerability of pirfenidone in asbestosis patients as measured by weekly digital symptom and AE score |
de primaire uitkomstmaat is beschrijvend: de veiligheid en verdraagzaamheid van pirfenidon in asbestose patienten, gemeten door wekelijkse rapportage van adverse events / AE's tijdens de behandeling |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
24 weeks after start of therapy |
24 weken na start van therapie |
|
E.5.2 | Secondary end point(s) |
Secondary objective is describing the effect of pirfenidone, as measured by daily home spirometry, in-hospital pulmonary function (spirometry and diffusion capacity), 6-minute walking test and patient reported outcomes as measured by King’s Brief Interstitial Lung disease Questionnaire (K-BILD) and Leicester Cough Questionnaire (LCQ). |
secundaire uitkomstmaten beschrijven het effect van pirfenidon, gemeten dmv dagelijkse longfunctie(FVC) met een thuisspirometer, longfunctie (spirometrie en diffusie) in het ziekenhuis, 6 minuten- looptest en patient gerapporteerde uitkomstmaten dmv 2 vragenlijsten (King’s Brief Interstitial Lung disease Questionnaire (K-BILD) en Leicester Cough Questionnaire (LCQ). |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
24 weeks after start of therapy |
24 weken na start van therapie |
|
E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 3 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
LVLS OR specific criteria for end of trial in subject:
1.withdrawal from patient consent
2.consecutive treatment interruption > 28 days
3.patient unable to tolerate pirfenidone after titration period (≥ 3 times daily 534mg)
4.hepatic impairment ALT > 3x ULN and symtoms or hyperbilirubinaemia OR ALT >5xULN
5.renal impairment GFR <30 ml/min OR dialysis
6.any medical situation or adverse event classified as not acceptable by patient or investigator
|
LVLS OF specifieke criteria voor stoppen van de trial voor een patient:
1. terugtrekken van toestemming
2. onderbreking van behandeling gedurende > 28 dagen
3. intolerantie voor pirfenidon na titratie fase (≥ 3 dd 534mg)
4. leverenzymstoornis ALAT > 3x normaalwaarde en klachten of verhoogd bilirubine OF ALAT > 5x normaalwaarde
5. nierfunctiestoornis GFR < 30 ml/min OF dialyse
6. elke medische situatie of adverse event die wordt beoordeeld als niet acceptable door patient of onderzoeker |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |