E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Idiopathic pulmonary fibrosis |
|
E.1.1.1 | Medical condition in easily understood language |
lung fibrosis of unknown cause |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Respiratory Tract Diseases [C08] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 18.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10021240 |
E.1.2 | Term | Idiopathic pulmonary fibrosis |
E.1.2 | System Organ Class | 10038738 - Respiratory, thoracic and mediastinal disorders |
|
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
The primary objective of this study is:
• To determine the effect of simtuzumab (GS-6624) on progression free survival (PFS) as determined by either a categorical decline in forced vital capacity (FVC) or all-cause mortality, in all subjects enrolled or in a subset of subjects who are classified as Lysyl Oxidase-like-2 (LOXL2) High based on a pre-specified level in serum at baseline. |
|
E.2.2 | Secondary objectives of the trial |
• Effects of simtuzumab on all-cause mortality
• Predictive effects of baseline serum LOXL2 levels on treatment response as measured by primary and secondary endpoints
• Effects of simtuzumab on change in lung function
• Effects of simtuzumab on adjudicated acute exacerbations
• Effects of simtuzumab on adjudicated respiratory hospitalizations and adjudicated deaths
• Effects of simtuzumab on 6-minute walk distance (6MWD)
• Effects of simtuzumab on quality of life
• The safety and tolerability of simtuzumab
• Exploratory objectives include evaluation of:
• Effect of simtuzumab on degree of fibrosis on high resolution computed tomography (HRCT) scans
• Effect of simtuzumab on sLOXL2 levels compared to placebo
• Prognostic effects of baseline levels of sLOXL2 on disease prognosis as determined in placebo arm. |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Male or female subjects from 45 to 85 years of age
2. A confident diagnosis of IPF consistent with diagnostic criteria described in the 2011 American Thoracic Society/European Respiratory Society (ATS/ERS) Consensus Statement. HRCT or surgical lung biopsy data will be interpreted by a central service. The term “surgical lung biopsy” encompasses biopsies obtained at open thoracotomy and thoracoscopy, as well as, cryobiopsies obtained through bronchcoscopy. The diagnosis of IPF must have be made within 3 years prior to screening, or if diagnosis was made > 3 years prior to screening, there must be evidence of clinical worsening within 12 months prior to screening, as judged by the investigator.
3. 6MWD ≥ 50 meters (164 feet): use of ≤ 6L/min supplemental O2 is permitted.
4. Able to maintain O2 saturation of ≥ 89% while breathing room air at rest at sea level. If the study site is located at more than 1000 meters above sea level, the subject must be able to maintain O2 saturation of ≥ 89% while on 2 liters of supplemental oxygen at rest (eligible subjects are permitted to use supplemental oxygen during sleep and on exertion based on the clinical judgment of the investigator, to a maximum of 6 liters/minute).
5. Able to perform complete breath hold for diffusing lung capacity so that a carbon monoxide (DLCO) measurement can be safely undertaken
6. Negative serum pregnancy test at screening and negative urine pregnancy test at randomization for female subjects of childbearing potential
7. Willingness of female subjects of childbearing potential to undergo urine pregnancy tests at each study visit starting at Randomization
8. Females of childbearing potential must agree to use highly effective methods of contraception from the screening visit throughout the study period and for 90 days following the last dose of IMP. Please refer to Section 8.11.2 for protocol recommended methods of contraception; females of childbearing potential must have negative serum β-hCG at screening
9. Non-vasectomized male subjects must agree to use a highly effective method of contraception if sexually active with a partner who is of child bearing potential. Subjects must refrain from sperm donation from Randomization throughout the study period until 90 days following the last dose of investigational medicinal product (IMP).
10. Lactating females must agree to discontinue nursing before enrolling in the study and for the duration of the study while receiving IMP
11. Competency to understand the information given in the Institutional Review Board (IRB) or Independent Ethics Committee (IEC) approved Informed Consent Form (ICF); subjects must sign the form prior to the initiation of any study procedures/assessments, unless the assessment is performed as standard of
care for this disease |
|
E.4 | Principal exclusion criteria |
1. Pregnant or breastfeeding
2. Clinically significant respiratory diseases other than IPF, including asbestosis, other pneumoconiosis or hypersensitivity pneumonitis
3. Obstructive lung disease determined by Pulmonary Function Test (PFTs) or HRCT as follows: - Evidence of reactive airway disease by an increase in forced expiratory volume in 1 second (FEV1) following bronchodilator challenge that exceeds both 200 ml AND exceeds a 12% increase from the prebronchodilator value OR FEV1/FVC ratio < age adjusted lower limit of normal (LLN) OR Residual volume (RV) > 120% by plethysmography (see Section 6.5 for alternative methods) OR Significant emphysema on HRCT defined as more emphysema than fibrosis interpreted by a central radiology service 4. FVC > 90%
5. Hemoglobin corrected, not volume corrected, (DLCO) <25% of predicted normal
6. Surgical lung biopsy (SLB) diagnostic for pneumoconiosis, hypersensitivity pneumonitis
nonspecific interstitial pneumonia or other idiopathic interstitial lung disease
7. Any clinically diagnosed collagen vascular disease
8. History of aortic aneurysm ≥ 3.5cm in diameter
9. History of cerebrovascular accident (stroke) within the preceding 26 weeks
10. Clinically significant heart disease defined as a myocardial infarction documented by an ST
elevation (STEMI) on electrocardiogram (ECG) within 6 months prior to screening, percutaneous coronary intervention or coronary artery bypass surgery within 6 months prior to screening, unstable angina pectoris, congestive heart failure (NYHA class III/IV or known left ventricular ejection fraction < 25%), right heart failure, significant right ventricular hypertrophy, or uncontrolled arrhythmia
11. Require pharmaceutical treatment for pulmonary hypertension
12. Hospitalization for acute respiratory illness < 26 weeks prior to screening, unless reviewed
with the Medical Monitor
13. Aspiration pneumonia < 26 weeks prior to screening
14. Active or recent (< 4 weeks prior to Screening and/or during the screening period) respiratory
bacterial, viral, fungal, or other infection (defined as exhibiting ongoing signs/symptoms related to the infection and without improvement) (Must not meet this criterion at time of Randomization)
15. Active work-up for suspected lung cancer or history of cancer or
precancerous state (eg, familial polyposis, BRCA1, BRCA2, carcinoma in-situ) within 5 years
prior to screening except for the following: Definitive prophylactic surgery for precancerous state
Excision of non melanomatous skin cancer treated with clear margins Prostate carcinoma treated with surgery or radiation with normal PSA for 24 months, not requiring either chemotherapy or hormone therapy
16. History of human immunodeficiency virus (HIV), or active hepatitis C or hepatitis B infection. Subjects with hepatitis C who have had successful curative
therapy will be eligible
17. Co-morbid condition or illness limiting life expectancy to < 2 years at
time of screening
18. Major surgery, as defined by the investigator, < 30 days prior to screening. Scheduled major elective surgery during the expected duration of the study should be
discussed with the Gilead Medical Monitor.
19. History or evidence of a clinically significant disorder, condition, or disease that, in the opinion of the investigator and the Gilead Medical Monitor, would pose a risk to subject safety or interfere with the study evaluations, procedures, or completion
20. Current excessive consumption of alcohol or use of illegal drugs as
determined by the investigator Related to physiologic or organ specific abnormalities:
21. Use of supplemental O2 > 6L/min during activity
22. Inadequate organ function reflected by any of the following: Platelets < 100 x 109/L, Hemoglobin < 11.0 g/dL, Absolute Neutrophil
Count (ANC) < 1.5 x 109/L, PT/INR and PTT > 1.5 x upper limit of normal (ULN) (except for subjects on therapeutic, anti-coagulation regimens), AST/ALT > 3 x ULN, Total bilirubin > 1.5 x ULN, Serum creatinine > 2.0 mg/dL, Related to treatment for IPF or investigational
drugs:
23. Treatment with immunosuppressive, cytotoxic, or antifibrotic
drugs
24. Oral doses of corticosteroids exceeding the equivalent of 10 mg
prednisone per day within the 60 days prior to Screening and/or during
the screening period
25. Participation in an investigational drug or device trial < 30 days prior
to Screening or within 5 times the half-life of the investigational agent in
the other clinical study, if known
26. Treatment with simtuzumab in another clinical study
27. Subjects actively listed for lung transplant are excluded. However
subjects at transplant centers with long waiting times (greater than 1
year) may be permitted to enter the study after discussion with Medical
Monitor to ensure that subjects are off study drug for ≥ 28 days before
undergoing transplant surgery |
|
E.5 End points |
E.5.1 | Primary end point(s) |
The primary endpoint is:
PFS among intent-to-treat (ITT) all subjects. PFS is defined as time between randomization and all-cause mortality or a categorical decrease in FVC % predicted (≥ 10% relative decrease and a ≥ 5% absolute decrease) from baseline.
PFS in a subset of ITT subjects who are classified as LOXL2 Hign based on a pre-specified threshold level of LOXL2 in serum at baseline |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
The primary endpoint will be evaluated at every visit from randomization onwards |
|
E.5.2 | Secondary end point(s) |
Secondary endpoints are:
• All-cause mortality as measured by overall survival among ITT
subjects
• All-cause mortality among subjects who are sLOXL2 High at baseline
• Change in FVC% predicted
Other secondary endpoints are:
• Acute exacerbations
• Adjudicated respiratory hospitalizations
• Adjudicated deaths
• Change in 6MWD
• Change in SGRQ score
Exploratory endpoints include:
• Change in DLco % predicted
• Change in HRCT findings
• Change in sLOXL2 levels
• Determine whether baseline sLOXL2 levels are prognostic for disease progression in placebo arm of the study
• Evaluate the predictive effects of baseline sLOXL2 levels on various
clinical endpoints as outlined in secondary objectives |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
The primary endpoint will be evaluated at every visit from randomization onwards.
PK through serum simtuzumab levels will be measured approximately every 12 weeks. |
|
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 | No |
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 | Yes |
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 | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
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 | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
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 | 5 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 82 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Australia |
Canada |
Israel |
Korea, Republic of |
United States |
|
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
|
Last patient, last visit.
This study will continue until the sponsor, Gilead Sciences, or the
principal investigator determines the drug is not beneficial or not safe
for the subject, or the sponsor terminates the simtuzumab program, or
until simtuzumab is available commercially.
When at least 250 PFS events have occurred, all subjects will be given
the opportunity of continuing in an open-label rollover extension of the
study to monitor the safety of simtuzumab in subjects with IPF. |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 3 |
E.8.9.1 | In the Member State concerned months | 1 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 3 |
E.8.9.2 | In all countries concerned by the trial months | 6 |
E.8.9.2 | In all countries concerned by the trial days | 0 |