A Study to Find Out How Nintedanib is Taken up in the Body and How Well it is Tolerated in Children and Adolescents With Interstitial Lung Disease (ILD)

Lung Diseases, Interstitial Clinical Trial

— InPedILD®  

Official title:

A Double Blind, Randomised, Placebo-controlled Trial to Evaluate the Dose-exposure and Safety of Nintedanib Per os on Top of Standard of Care for 24 Weeks, Followed by Open Label Treatment With Nintedanib of Variable Duration, in Children and Adolescents (6 to 17 Year-old) With Clinically Significant Fibrosing Interstitial Lung Disease

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT04093024
• Other study ID #: 1199-0337
• Secondary ID: 2018-004530-14
• Status: Completed
• Phase: Phase 3
• Start date: December 3, 2019
• Est. completion date: May 24, 2022

Study information

• Verified date: March 2023
• Source: Boehringer Ingelheim
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

The main objective of the study is to evaluate dose-exposure and safety of nintedanib in children and adolescents with fibrosing Interstitial Lung Disease (ILD).

Recruitment information / eligibility

• Status: Completed
• Enrollment: 39
• Est. completion date: May 24, 2022
• Est. primary completion date: May 24, 2022
• Accepts healthy volunteers: No
• Gender: All
• Age group: 6 Years to 17 Years

Eligibility

Inclusion Criteria:

• Children and adolescents 6 to 17 years old at Visit 2.
• Signed and dated written informed consent and assent, where applicable, in accordance with International Conference on Harmonisation-Good Clinical Practice (ICH-GCP) and local legislation prior to admission to the trial.
• Male or female patients. Female of childbearing potential (WOCBP) must confirm that sexual abstinence is standard practice and will be continued until 3 months after last drug intake, or be ready and able to use a highly effective method of birth control per International Conference on Harmonisation (ICH) M3 (R2) that results in a low failure rate of less than 1% per year when used consistently and correctly, in combination with one barrier method, from 28 days prior to initiation of study treatment, during treatment and until 3 months after last drug intake. Sexual abstinence is defined as abstinence from any sexual act that may result in pregnancy. A list of contraception methods meeting these criteria is provided in the parental information.
• Patients with evidence of fibrosing Interstitial Lung Disease (ILD) on High-Resolution Computed Tomography (HRCT) within 12 months of Visit 1 as assessed by the investigator and confirmed by central review.
• Patients with Forced Vital Capacity (FVC)% predicted =25% at Visit 2. [Note: Predicted normal values will be calculated according to GLI (Global Lung Initiative)]
• Patients with clinically significant disease at Visit 2, as assessed by the

investigator based on any of the following:

• Fan score =3, or
• Documented evidence of clinical progression over time based on either
• a 5-10% relative decline in FVC% predicted accompanied by worsening symptoms, or
• a =10% relative decline in FVC % predicted, or
• increased fibrosis on HRCT, or
• other measures of clinical worsening attributed to progressive lung disease (e.g. increased oxygen requirement, decreased diffusion capacity).

Exclusion Criteria:

• Aspartate Aminotransferase (AST) and/or Alanine Aminotransferase (ALT)>1.5 x Upper Level of Normal (ULN) at Visit 1.
• Bilirubin >1.5 x ULN at Visit 1.
• Creatinine clearance <30 mL/min calculated by Schwartz formula at Visit 1. [Note:

Laboratory parameters from Visit 1 have to satisfy the laboratory threshold values as shown above. Visit 2 laboratory results will be available only after randomization. In case at Visit 2 the results do no longer satisfy the entry criteria, the Investigator has to decide whether it is justified that the patient remains on study drug. The justification for decision needs to be documented. Laboratory parameters that are found to be abnormal at Visit 1 are allowed to be re-tested (once) if it is thought to be a measurement error (i.e. there was no abnormal result of this test in the recent history of the patient and there is no related clinical sign) or the result of a temporary and reversible medical condition, once that condition is resolved.]

• Patients with underlying chronic liver disease (Child Pugh A, B or C hepatic impairment) at Visit 1.
• Previous treatment with nintedanib.
• Other investigational therapy received within 1 month or 5 half-lives (whichever is shorter but =1 week) prior to Visit 2.
• Significant pulmonary arterial hypertension (PAH) defined by any of the following:
• Previous clinical or echocardiographic evidence of significant right heart failure
• History of right heart catheterization showing a cardiac index =2 l/min/m²
• PAH requiring parenteral therapy with epoprostenol/treprostinil
• In the opinion of the Investigator, other clinically significant pulmonary abnormalities.
• Cardiovascular diseases, any of the following:
• Severe hypertension, uncontrolled under treatment, within 6 months of Visit 1. Uncontrolled hypertension is defined as
• In children 6 to =12 years old: =95th percentile + 12 mm Hg or =140/90 mm Hg (whichever is lower) (systolic or diastolic blood pressure equal to or greater than the calculated target value)
• In adolescents 13 to 17 years old: systolic blood pressure =140 mm Hg or diastolic blood pressure =90 mm Hg
• Myocardial infarction within 6 months of Visit 1
• Unstable cardiac angina within 6 months of Visit 1
• Bleeding risk, any of the following:
• Known genetic predisposition to bleeding
• Patients who require
• Fibrinolysis, full-dose therapeutic anticoagulation (e.g. vitamin K antagonists, direct thrombin inhibitors, heparin, hirudin)
• High dose antiplatelet therapy [Note: Prophylactic low dose heparin or heparin flush as needed for maintenance of an indwelling intravenous device (e.g. enoxaparin 4000 I.U. s.c. per day), as well as prophylactic use of antiplatelet therapy (e.g. acetyl salicylic acid up to 325 mg/day, or clopidogrel at 75 mg/day, or equivalent doses of other antiplatelet therapy) are not prohibited.]
• History of haemorrhagic central nervous system (CNS) event within 12 months of Visit 1
• Any of the following within 3 months of Visit 1:
• Haemoptysis or haematuria
• Active gastro-intestinal (GI) bleeding or GI - ulcers
• Major injury or surgery (investigator's judgment)
• Any of the following coagulation parameters at Visit 1:
• International normalized ratio (INR) >2
• Prolongation of prothrombin time (PT) by >1.5 x ULN
• Prolongation of activated partial thromboplastin time (aPTT) by >1.5 x ULN
• History of thrombotic event (including stroke and transient ischemic attack) within 12 months of Visit 1.
• Known hypersensitivity to the trial medication or its components (i.e. soya lecithin).
• Patients with documented allergy to peanut or soya.
• Other disease that may interfere with testing procedures or in the judgment of the investigator may interfere with trial participation or may put the patient at risk when participating in this trial.
• Life expectancy for any concomitant disease other than Interstitial Lung Disease (ILD)<2.5 years (investigator assessment).
• Female patients who are pregnant, nursing, or who plan to become pregnant while in the trial.
• Patients not able or willing to adhere to trial procedures, including intake of study medication.
• Patients with any diagnosed growth disorder such as growth hormone deficiency or any genetic disorder that is associated with short stature (e.g. Turner Syndrome, Noonan Syndrome, Russell-Silver Syndrome) and/or treatment with growth hormone therapy within 6 months before Visit 2. Patients with short stature considered by the investigator to be due to glucocorticoid therapy may be included.
• Patients <13.5 kg of weight at Visit 1 (same threshold to be used for male and female patients).

Related Conditions & MeSH terms

• Lung Diseases
• Lung Diseases, Interstitial

Intervention

Drug:
• Nintedanib
Capsule
• Placebo
Capsule

Locations

Country	Name	City	State
Argentina	Hospital de Niños Dr. Ricardo Gutierrez	Caba
Argentina	Hospital de Pediatría " Prof. Dr. Juan P. Garrahan"	Caba
Argentina	INSARES	Mendoza
Australia	Women's and Children's Hospital	North Adelaide	South Australia
Belgium	Brussels - UNIV HUDERF	Bruxelles
Brazil	Serviços Medicos Respirar Sul Fluminense	Barra Mansa
Brazil	Centro de Pesquisa Clinica do Instituto da Crianca - HCFMUSP	Sao Paulo
Canada	The Hospital for Sick Children	Toronto	Ontario
Canada	BC Children's Hospital	Vancouver	British Columbia
Czechia	Teaching Hospital Motol, Oncology Clinic	Praha 5
Denmark	Aarhus University Hospital	Aarhus N
Finland	Tampere University Hospital	Tampere
France	HOP Intercommunal	Créteil
France	HOP Armand-Trousseau	Paris
Greece	General Hospital of Thessaloniki "Ippokrateio"	Thessaloniki
Hungary	Semmelweis University	Budapest
Italy	Azienda Ospedaliera Meyer	Firenze
Italy	Azienda Ospedaliera Universitaria di Padova	Padova
Italy	Osp. Pediatrico Bambin Gesù	Roma
Mexico	Clinical Research Institute S.C.	Tlalnepantla
Norway	Oslo Universitetssykehus HF, Rikshospitalet	Oslo
Poland	Independent Public Teaching Children's Hospital	Warsaw
Portugal	Centro Hospitalar Universitário de Lisboa Norte, EPE - Hospital Santa Maria	Lisboa
Portugal	CHULC, EPE - Hospital Dona Estefânia	Lisboa
Russian Federation	Children's Hematology,Oncology&Immunology na Rogachev,Moscow	Moscow
Russian Federation	State Novosibirsk Regional Clinical Hospital	Novosibirsk
Russian Federation	St. Petersburg State Pediatric University	St. Petersburg
Spain	Hospital Vall d'Hebron	Barcelona
Spain	Hospital Virgen del Rocío	Sevilla
Ukraine	Regional Children Clinical Hospital, Pulmonology, Kharkiv	Kharkiv
Ukraine	Institute of Phthisiology and Pulmonology n. a. F.G.Yanovsky	Kyiv
Ukraine	Regional clinical children hospital, Zaporizhya	Zaporizhya
United Kingdom	Birmingham Children's Hospital	Birmingham
United Kingdom	King's College Hospital	London
United States	Children's Hospital Colorado	Aurora	Colorado
United States	Riley Hospital for Children at Indiana University Health	Indianapolis	Indiana
United States	Children's Mercy Hospitals and Clinics	Kansas City	Missouri
United States	Children's Hospital Los Angeles	Los Angeles	California
United States	Vanderbilt University Medical Center	Nashville	Tennessee
United States	Weill Cornell Medicine	New York	New York
United States	Children's Hospital of Philadelphia	Philadelphia	Pennsylvania
United States	Children's Hospital of Pittsburgh of University of Pittsburgh Medical Center	Pittsburgh	Pennsylvania
United States	Seattle Children's Hospital	Seattle	Washington

Sponsors (1)

Lead Sponsor	Collaborator
Boehringer Ingelheim

Countries where clinical trial is conducted

United States,  Argentina,  Australia,  Belgium,  Brazil,  Canada,  Czechia,  Denmark,  Finland,  France,  Greece,  Hungary,  Italy,  Mexico,  Norway,  Poland,  Portugal,  Russian Federation,  Spain,  Ukraine,  United Kingdom, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Area Under the Plasma Concentration-time Curve at Steady State (AUCt,ss) Based on Sampling at Steady State (at Week 2 and Week 26)	Area under the plasma concentration-time curve at steady state (AUCt,ss) based on sampling at steady state (at Week 2 and Week 26) after multiple oral administration of Nintedanib by age group over all treatments.; Values of samples taken at Week 2 (for randomised Nintedanib participants) and at Week 26 (for randomised placebo participants) were used. Missing values at Week 2 of randomised Nintedanib participants were replaced with values taken at Week 26.	At Week 2 and at Week 26: at 5 minutes before and at 0, 1, 2, 3, 4, 6, and 8 hours post administration of the morning dose
Primary	Number of Participants With Treatment-emergent Adverse Events During the Double-blind Period	Treatment-emergent was defined as: Adverse events with onset or worsening on or after date of treatment start until end of double-blind period (defined as the day before first intake of open-label nintedanib or last double-blind drug intake + residual effect period, whichever is earlier) were considered as treatment-emergent and were included in the analysis. Adverse events were counted under the treatment as randomized for the double-blind period.	From first drug administration until the earlier of (i) first intake of open-label nintedanib (exclusive) and (ii) last drug intake, up to 28 weeks
Secondary	Number of Participants With at Least One Treatment-emergent Pathological Finding of Epiphyseal Growth Plate on Imaging up to Week 24, and Week 52	Number of participants with at least one treatment-emergent pathological finding of the epiphyseal growth plate imaging (Magnetic Resonance Imaging (MRI)s/x-rays) were analyzed cumulatively and based on central review.	Up to Week 24 (included values at Week 12 and Week 24); Up to Week 52 (included values at Week 12, 24, 36 and 52)
Secondary	Number of Participants With Treatment-emergent Pathological Findings on Dental Examination or Imaging up to Week 24	Number of participants with treatment-emergent pathological findings on dental examination (clinical examination) based on dentist assessment or imaging (panoramic x-ray) based on central review were analyzed. Number of participants with treatment-emergent pathological findings on dental imaging were analyzed cumulatively.	Dental examination: at Week 12 and Week 24; Dental imaging: at Week 24
Secondary	Number of Participants With at Least One Treatment-emergent Pathological Findings on Dental Examination or Imaging up to Week 52	Number of participants with treatment-emergent pathological findings on dental examination (clinical examination) based on dentist assessment or imaging (panoramic x-ray) based on central review were analyzed. Number of participants with treatment-emergent pathological findings on dental imaging were analyzed cumulatively.	Dental examination: at Week 12, 24, 34, and Week 52; Dental imaging: at Week 24 and at Week 52.
Secondary	Number of Participants With Treatment-emergent Adverse Events Over the Whole Trial	Treatment-emergent was defined as: Adverse events with onset or worsening on or after date of treatment start until last drug intake + residual effect period was considered as treatment-emergent and was included in the analysis. Adverse events were counted under the treatment as randomized for the double-blind period.	From first drug administration until the last drug intake, up to 92 weeks
Secondary	Absolute Change From Baseline in Height at Week 24	Absolute change from baseline in height at Week 24 was measured with a stadiometer 3 times at each time point. The average of these 3 measurements was taken per time point.; Absolute change from baseline in height at Week 24 in the treated set (TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements pre-administration at -4 weeks and at 0, 12, 24, 36, 52, 64, 76, and 88 weeks after first drug administration. MMRM values at Week 24 are reported in the table below
Secondary	Absolute Change From Baseline in Height at Week 52	Absolute change from baseline in height at Week 52 was measured with a stadiometer 3 times at each time point. The average of these 3 measurements was taken per time point.; Absolute change from baseline in height at Week 52 in the treated set (TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements pre-administration at -4 weeks and at 0, 12, 24, 36, 52, 64, 76, and 88 weeks after first drug administration. MMRM values at Week 52 are reported in the table below
Secondary	Absolute Change From Baseline in Height at Week 76	Absolute change from baseline in height at Week 76 was measured with a stadiometer 3 times at each time point. The average of these 3 measurements was taken per time point.; MMRM has been calculated but did not provide estimates for this time point due to low sample size. Thus, change in height from baseline to Week 76 was analyzed descriptively only.	Measurements were assessed at Week 0 and at Week 76
Secondary	Absolute Change From Baseline in Sitting Height at Week 24	Absolute change from baseline in sitting height at Week 24 was measured with a stadiometer 3 times at each time point. The average of these 3 measurements was taken per time point.; Absolute change from baseline in sitting height at Week 24 in the treated set (TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements pre-administration at -4 weeks and at 0, 12, 24, 36, 52, 64, 76, and 88 weeks after first drug administration. MMRM values at Week 24 are reported in the table below.
Secondary	Absolute Change From Baseline in Sitting Height at Week 52	Absolute change from baseline in sitting height at Week 52 was measured with a stadiometer 3 times at each time point. The average of these 3 measurements was taken per time point.; MMRM has been calculated but did not provide estimates for this time point due to low sample size. Thus, change in sitting height from baseline to Week 52 was analyzed descriptively only.	Measurements were assessed at Week 0 and at Week 52
Secondary	Absolute Change From Baseline in Sitting Height at Week 76	Absolute change from baseline in sitting height at Week 76 was measured with a stadiometer 3 times at each time point. The average of these 3 measurements was take per time point.; MMRM has been calculated but did not provide estimates for this time point due to low sample size. Thus, change in sitting height from baseline to Week 76 was analyzed descriptively only.	Measurements were assessed at Week 0 and at Week 76
Secondary	Absolute Change From Baseline in Leg Length at Week 24 - Left	Absolute change from baseline in left leg length at Week 24 was assessed by measuring the distance between the anterior iliac spine and the medial malleolus 3 times at each leg and each time point. The average of these 3 measurements was taken per time point.; Absolute change from baseline in left leg length at Week 24 in the treated set (TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 12, 24, 36, 52, 64, and 76 weeks after first drug administration. MMRM values at Week 24 are reported in the table below
Secondary	Absolute Change From Baseline in Leg Length at Week 52 - Left	Absolute change from baseline in left leg length at Week 52 was assessed by measuring the distance between the anterior iliac spine and the medial malleolus 3 times at each leg and each time point. The average of these 3 measurements was taken per time point.; Absolute change from baseline in left leg length at Week 52 in the treated set (TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 12, 24, 36, 52, 64, and 76 weeks after first drug administration. MMRM values at Week 52 are reported in the table below
Secondary	Absolute Change From Baseline in Leg Length at Week 76 - Left	Absolute change from baseline in left leg length at Week 76 was assessed by measuring the distance between the anterior iliac spine and the medial malleolus 3 times at each leg and each time point. The average of these 3 measurements was taken per time point.; Absolute change from baseline in left leg length at Week 76 in the treated set (TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 12, 24, 36, 52, 64, and 76 weeks after first drug administration. MMRM values at Week 76 are reported in the table below
Secondary	Absolute Change From Baseline in Leg Length at Week 24 - Right	Absolute change from baseline in right leg length at Week 24 was assessed by measuring the distance between the anterior iliac spine and the medial malleolus 3 times at each leg and each time point. The average of these 3 measurements was taken per time point.; Absolute change from baseline in right leg length at Week 24 in the treated set (TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 12, 24, 36, 52, 64, and 76 weeks after first drug administration. MMRM values at Week 24 are reported in the table below
Secondary	Absolute Change From Baseline in Leg Length at Week 52 - Right	Absolute change from baseline in right leg length at Week 52 was assessed by measuring the distance between the anterior iliac spine and the medial malleolus 3 times at each leg and each time point. The average of these 3 measurements was taken per time point.; Absolute change from baseline in right leg length at Week 52 in the treated set (TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 12, 24, 36, 52, 64, and 76 weeks after first drug administration. MMRM values at Week 52 are reported in the table below
Secondary	Absolute Change From Baseline in Leg Length at Week 76 - Right	Absolute change from baseline in right leg length at Week 76 was assessed by measuring the distance between the anterior iliac spine and the medial malleolus 3 times at each leg and each time point. The average of these 3 measurements was taken per time point.; Absolute change from baseline in right leg length at Week 76 in the treated set (TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 12, 24, 36, 52, 64, and 76 weeks after first drug administration. MMRM values at Week 76 are reported in the table below
Secondary	Absolute Change From Baseline in Forced Vital Capacity (FVC) % Predicted at Week 24	Forced Vital Capacity (FVC) is the volume of air (measured in milliliter) which can be forcibly exhaled from the lungs after taking the deepest breath possible. The predicted values were calculated according to the Global Lungs Initiative (GLI) 2012 equations.; Absolute change from baseline in Forced Vital Capacity (FVC) % predicted at Week 24 in the treated set(TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements pre-administration at -4 weeks and at 0, 2, 6, 12, 24, 26, 36, and 52 weeks after first drug administration. MMRM values at Week 24 are reported in the table below
Secondary	Absolute Change From Baseline in Forced Vital Capacity (FVC) % Predicted at Week 52	Forced Vital Capacity (FVC) is the volume of air (measured in milliliter) which can be forcibly exhaled from the lungs after taking the deepest breath possible. The predicted values were calculated according to the Global Lungs Initiative (GLI) 2012 equations.; Absolute change from baseline in Forced Vital Capacity (FVC) % predicted at Week 52 in the treated set(TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements pre-administration at -4 weeks and at 0, 2, 6, 12, 24, 26, 36, and 52 weeks after first drug administration. MMRM values at Week 52 are reported in the table below
Secondary	Absolute Change From Baseline in Pediatric Quality of Life Questionnaire™(PedsQL™) at Week 24 - Parent Report	The PedsQL™ questionnaires consists of 23 items (i) and 4 dimensions: physical (8i), emotional (5i), social (5i) and school (5i) functioning. A 5-point Likert response scale (0 = never (worst outcome) to 4=almost always (best outcome)) was used except for the Young Child Report, where a 3-point scale (0=not at all (worst outcome) to 4=a lot (best outcome)) was used. Items were reverse-scored and linearly transformed to a 0-100 scale (0 = 100 to 4 = 0). Higher scores indicated better health-related quality of life. To create total scores, the mean was computed.; Absolute change from baseline in PedsQL™ reported by parents was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 24, and 52 weeks after first drug administration. MMRM values at Week 24 are reported in the table below
Secondary	Absolute Change From Baseline in Pediatric Quality of Life Questionnaire™(PedsQL™) at Week 52 - Parent Report	The PedsQL™ questionnaires consists of 23 items (i) and 4 dimensions: physical (8i), emotional (5i), social (5i) and school (5i) functioning. A 5-point Likert response scale (0 = never (worst outcome) to 4=almost always (best outcome)) was used except for the Young Child Report, where a 3-point scale (0=not at all (worst outcome) to 4=a lot (best outcome)) was used. Items were reverse-scored and linearly transformed to a 0-100 scale (0 = 100 to 4 = 0). Higher scores indicated better health-related quality of life. To create total scores, the mean was computed.; Absolute change from baseline in PedsQL™ reported by parents was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 24, and 52 weeks after first drug administration. MMRM values at Week 52 are reported in the table below
Secondary	Absolute Change From Baseline in Pediatric Quality of Life Questionnaire™(PedsQL™) at Week 24 - Participant Report	The PedsQL™ questionnaires consists of 23 items (i) and 4 dimensions: physical (8i), emotional (5i), social (5i) and school (5i) functioning. A 5-point Likert response scale (0 = never (worst outcome) to 4=almost always (best outcome)) was used except for the Young Child Report, where a 3-point scale (0=not at all (worst outcome) to 4=a lot (best outcome)) was used. Items were reverse-scored and linearly transformed to a 0-100 scale (0 = 100 to 4 = 0). Higher scores indicated better health-related quality of life. To create total scores, the mean was computed.; Absolute change from baseline in PedsQL™ was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 24, and 52 weeks after first drug administration. MMRM values at Week 24 are reported in the table below
Secondary	Absolute Change From Baseline in Pediatric Quality of Life Questionnaire™(PedsQL™) at Week 52 - Participant Report	The PedsQL™ questionnaires consists of 23 items (i) and 4 dimensions: physical (8i), emotional (5i), social (5i) and school (5i) functioning. A 5-point Likert response scale (0 = never (worst outcome) to 4=almost always (best outcome)) was used except for the Young Child Report, where a 3-point scale (0=not at all (worst outcome) to 4=a lot (best outcome)) was used. Items were reverse-scored and linearly transformed to a 0-100 scale (0 = 100 to 4 = 0). Higher scores indicated better health-related quality of life. To create total scores, the mean was computed.; Absolute change from baseline in PedsQL™ was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 24, and 52 weeks after first drug administration. MMRM values at Week 52 are reported in the table below
Secondary	Absolute Change From Baseline in Oxygen Saturation (SpO2) on Room Air at Rest at Week 24	Oxygen saturation (SpO2) was measured after minimum 5 minutes on room air by standard pulse oximetry at rest.; Absolute change from baseline in SpO2 at Week 24 in the treated set(TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements pre-administration at -4 weeks and at 0, 2, 6, 12, 24, 26, 36, and 52 weeks after first drug administration. MMRM values at Week 24 are reported in the table below
Secondary	Absolute Change From Baseline in Oxygen Saturation (SpO2) on Room Air at Rest at Week 52	Oxygen saturation (SpO2) was measured after minimum 5 minutes on room air by standard pulse oximetry at rest.; Absolute change from baseline in SpO2 at Week 52 in the treated set(TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements pre-administration at -4 weeks and at 0, 2, 6, 12, 24, 26, 36, and 52 weeks after first drug administration. MMRM values at Week 52 are reported in the table below
Secondary	Absolute Change From Baseline in 6 Minutes (Min) Walk Distance at Week 24	Absolute change from baseline in 6 minutes (min) walk distance at Week 24 in the treated set (TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 24, and 52 weeks after first drug administration. MMRM values at Week 24 are reported in the table below
Secondary	Absolute Change From Baseline in 6 Minutes (Min) Walk Distance at Week 52	Absolute change from baseline in 6 minutes (min) walk distance at Week 52 in the treated set(TS) was based on a Mixed Model Repeated Measures (MMRM), with fixed categorical effects of (randomised) treatment at each visit, age-group and the fixed continuous effects of baseline at each visit, and random effect for participant. Visit was treated as the repeated measure with an unstructured covariance structure used to model the within-participant measurements.	MMRM included measurements at 0, 24, and 52 weeks after first drug administration. MMRM values at Week 52 are reported in the table below
Secondary	Participants Acceptability Based on the Size of Capsules at Week 24 - Patient Question	Acceptability is defined as the overall ability and willingness of the participant to use the medicinal product as intended.; Acceptability based on the capsule size was assessed by a acceptability questionnaire (1 item with 3 categories as shown below) for participants. In case the participant was considered not old enough as per investigator judgment the caregiver could assist with the completion.; In addition to the commercially available 100 milligram (mg) soft capsules (oblong shape, 6 millimeter (mm) diameter and 16 mm length) and 150 mg soft capsules (oblong shape, 7 mm diameter and 18 mm length), 25 mg Nintedanib soft capsules of smaller size (oval shape, 5 mm diameter and 8 mm length) were provided in this trial for participants who were assigned to a dose smaller than 100 mg or were unable to swallow the larger 100 mg or 150 mg capsules.	Acceptability was assessed at Week 24
Secondary	Participants Acceptability Based on the Size of Capsules at Week 24 - Investigator Question	Acceptability is defined as the overall ability and willingness of the participant to use the medicinal product as intended.; Acceptability based on the capsule size was assessed by a acceptability questionnaire (1 item with 3 categories as shown below) for investigators.; In addition to the commercially available 100 milligram (mg) soft capsules (oblong shape, 6 millimeter (mm) diameter and 16 mm length) and 150 mg soft capsules (oblong shape, 7 mm diameter and 18 mm length), 25 mg Nintedanib soft capsules of smaller size (oval shape, 5 mm diameter and 8 mm length) were provided in this trial for participants who were assigned to a dose smaller than 100 mg or were unable to swallow the larger 100 mg or 150 mg capsules.	Acceptability was assessed at Week 24
Secondary	Participants Acceptability Based on the Number of Capsules at Week 24 - Patient Question	Acceptability is defined as the overall ability and willingness of the participant to use the medicinal product as intended.; Acceptability based on the number of capsule was assessed by a acceptability questionnaire (1 item with 3 categories as shown below) for participants. In case the participant was considered not old enough as per investigator judgment the caregiver could assist with the completion.; In addition to the commercially available 100 milligram (mg) soft capsules (oblong shape, 6 millimeter (mm) diameter and 16 mm length) and 150 mg soft capsules (oblong shape, 7 mm diameter and 18 mm length), 25 mg Nintedanib soft capsules of smaller size (oval shape, 5 mm diameter and 8 mm length) were provided in this trial for participants who were assigned to a dose smaller than 100 mg or were unable to swallow the larger 100 mg or 150 mg capsules. Medication dosage was based on the participant's body weight and number of capsules per administration ranged from 2 to >6 capsules.	Acceptability was assessed at Week 24
Secondary	Number of Participants With Occurrence of First Respiratory-related Hospitalization Over the Whole Trial	Number of participants with occurrence of first respiratory-related hospitalization over the whole trial.; The number of participants with first respiratory-related hospitalization is reported instead of a metric summarizing the time-to-event data with unit of time, as the numbers resulting from the Kaplan-Meier-analysis were even below the first quartile.	From first drug administration until the last drug intake + 28 days residual effect period (REP), up to 92.6 weeks
Secondary	Number of Participants With Occurrence of First Acute Interstitial Lung Disease (ILD) Exacerbation or Death Over the Whole Trial	Number of participants with occurrence of first acute Interstitial Lung Disease (ILD) exacerbation or death over the whole trial. The number of participants with first acute ILD exacerbation is reported instead of a metric summarizing the time-to-event data with unit of time, as the numbers resulting from the Kaplan-Meier-analysis were even below the first quartile.	From first drug administration until the last drug intake + 28 days REP, up to 92.6 weeks
Secondary	Number of Participants With Occurrence of Death Over the Whole Trial	Number of participants with occurrence of death over the whole trial over the whole trial was computed. The number of participants with occurrence of death is reported instead of a metric summarizing the time-to-event data with unit of time, as the numbers resulting from the Kaplan-Meier-analysis were even below the first quartile.	From first drug administration until the last drug intake + 28 days REP, up to 92.6 weeks

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