Inclusion Criteria:
1. Subject has provided written informed consent. 2. Approval from local treating physician (done at pre-screening only for remote patients
as well as for local site patients not actively being managed at the local site).
3. Subject lives in the United States. 4. Adult: Age ≥ 18 years. 5. Subject can speak, read, and understand English or Spanish. 6. Subject is willing and capable of performing all study procedures.
7. Validity/repeatability of home spirometry confirmed by PFT lab technician/MD through
telemedicine as per American Thoracic Society guidelines.
8. Men and women of reproductive potential must agree to use 2 reliable methods of birth
control during the trial period.
9. Confirmed diagnosis of myositis (2017 American College of Rheumatology/European League
Against Rheumatism classification criteria or presence of one of the following
myositis-specific or -associated autoantibodies).
1. Anti-synthetase autoantibody (Anti-Jo-1, -PL-7, -PL-12, -EJ, -OJ, -KS, -Tyr, -Zo)
2. Anti-MDA5, TIF1-gamma, Mi-2, NXP2/MJ, SAE, HMGCR, SRP. 3. Anti-PM/Scl, Ku, U1RNP, Ro5,2/60, or SSA (in absence of clinical diagnosis of
systemic sclerosis or primary Sjogren syndrome).
10. Fibrosing Interstitial Lung Disease (ILD):
1. HRCT chest within 12 months of screening visit with fibrosing ILD (reticular
changes, traction bronchiectasis, and/or honeycombing)
2. No other identifiable cause of fibrosis. 3. The following co-existing features are expected and accepted: ground glass
opacity, upper lung or peri-bronchovascular predominance, mosaic attenuation, air
trapping, consolidation, and centrilobular nodules.
11. Progressive ILD: Defined as meeting ≥1 of the following criteria within 24 months of
the screening visit.
1. ≥10% relative decline in FVC% predicted (%pred)
2. ≥5 but <10% relative decline in FVC %pred with worsening dyspnea.
3. ≥5 but <10% relative decline in FVC %pred with worsening chest HRCT fibrotic
changes. 4. Worsening dyspnea with worsening chest HRCT fibrosis. 12. The severity of ILD: FVC > 40% of predicted and ≤ 80% of predicted.
13. Standard of care (SOC) therapy: (See: SOC immunosuppression and washout under section
6.2 for details)
1. Allowable SOC includes a maximum of 2: 1 glucocorticoid (GC) and 1 Non-GC
immunosuppressive medication (IS) Or 2 Non-GC immunosuppressive medications.
2. Allowable IS component of SOC regimen must have been started at least 12 weeks
prior and be stable for at least 4 weeks before screening visit.
3. Allowable GC component of SOC regimen must have been started at least 4 weeks
prior and be stable for at least 2 weeks before screening visit.
4. Allowable IS and GC:
Glucocorticoid (maximum dose ≤20 mg/day; prednisone equivalent). Mycophenolate
mofetil (max dose 3 gm/day) Mycophenolic acid (max dose 1440 mg/day) Azathioprine
(max dose 2.5 mg/kg/day) Methotrexate (max dose 25 mg/week Tacrolimus (max dose
10 mg/day) Cyclosporine (max dose 200 mg/day) Leflunomide (max dose 20 mg/day)
Sulfasalazine (max dose 3 gm/day) IVIG (Intravenous immunoglobulin) or SQIG
(subcutaneous immunoglobulin) (max dose 2 gm/kg/month) is allowed and not
considered as SOC IS therapy Rituximab (maximum dose 1000 mg x 2 (2 weeks apart)
or 375mg/m2 weekly dose x 4, repeated every > 4 months) Hydroxychloroquine is
allowed and not considered as SOC IS therapy.
5. Inhaled medication(s) for lung disease is allowed if started > 4 weeks before
screening.
Should remain stable throughout the study.
14. Negative pregnancy test.
Exclusion Criteria:
1. Planned major surgical procedures within the trial period of 24 weeks.
2. Women who are pregnant, nursing, or who plan to become pregnant while in the trial.
3. Women of childbearing potential* not willing or able to use at least two highly
effective methods of birth control.
1. For females of reproductive potential: use of highly effective contraception for
at least 1 month before study drug administration and agreement to use such a
method during study participation and for an additional 28 days after the end of
study drug administration.
2. For males of reproductive potential**: use of condoms or other methods to ensure
effective contraception with a partner. Highly effective contraception examples are:
- - An approved hormonal contraceptive such as oral contraceptives, emergency
contraception used as directed, patches, implants, injections, rings,
hormonally-impregnated intrauterine device (IUD), or nonhormonal IUD.
- - A woman is considered of childbearing potential, i.e. fertile, following
menarche, and until becoming post-menopausal unless permanently sterile.
Permanent sterilization methods include hysterectomy, bilateral
salpingectomy, tubal occlusion, and bilateral oophorectomy.
- - A man is considered permanently sterile if a vasectomy has been
performed.
4. Severe lung disease is defined by the following within the last 6 months before the
screening:
1. FVC ≤40 percent predicted. 2. DLCO <30% of percent predicted (corrected for Hb)
3. O2 requirement of ≥10 L at rest based on home oxygen prescription.
4. Patient listed for lung transplant or actively going through lung transplant
evaluation.
5. Moderate to severe active muscle disease from myositis as per any one of the criteria:
1. Creatine kinase (CK) > 1000 U/mL.
2. Moderate to severe dermatomyositis rashes as per investigator evaluation (if rash
present)
3. Moderate to severe arthritis as per investigator evaluation. 4. Moderate to severe muscle weakness as per Sit to Stand 30 seconds of < 7.
6. History of or ongoing serious active, chronic, or recurrent infection within 4 weeks
of screening. 7. Significant Pulmonary Hypertension (PH) is defined by any of the following:
1. Previous clinical diagnosis of moderate to severe PH or significant right heart
failure.
2. History of echocardiographic evidence of significant right heart failure or
moderate to severe PH (TR jet >= 2.9 m/s and signs of right ventricle (RV)
dysfunction; or TR jet > 3.4; or an right ventricle systolic pressure (RVSP) >
40-55 with evidence of RV strain or dysfunction; or RVSP > 55 regardless.
3. History of right heart catheterization showing a cardiac index ≤ 2.2 l/min/m² or
severity of pulmonary hypertension (mPAP) >40 millimeters of mercury (mmHg) with
a pulmonary capillary wedge pressure (PCWP) <15mmHg. 4. PH requiring oral, IV, or inhaled therapy (such as epoprostenol, treprostinil,
iloprost, bosentan, ambrisentan, sildenafil, and tadalafil).
8. Increased bleeding risk, defined by any of the following:
1. Patients who require.
- - Fibrinolysis, full-dose therapeutic anticoagulation (e.g. vitamin K
antagonists, direct thrombin inhibitors, heparin, factor Xa inhibitors, low
molecular weight heparin)
- High dose antiplatelet therapy (>325mg acetylsalicylic acid or >75mg
clopidogrel).
2. History of hemorrhagic central nervous system (CNS) event within 12 months of
screening.
3. Any of the following within 3 months of screening:
- - Hemoptysis or hematuria.
- - Active gastrointestinal (GI) bleeding or active GI ulcers.
4. Coagulation parameters: International normalized ratio (INR) >2, prolongation of
prothrombin time (PT) and activated partial thromboplastin time (aPTT) by >1.5 x
ULN at screening.
9. History of a thrombotic event (including stroke and transient ischemic attack) within
12 months of screening.
10. Severe Cardiovascular disease, any of the following:
1. Severe hypertension, uncontrolled under treatment (≥160/100 mmHg), within 6
months of screening.
2. Myocardial infarction or unstable cardiac angina within 6 months of screening.
11. Patients with underlying chronic liver disease (Child-Pugh A, B, or C hepatic
impairment).
12. Known hypersensitivity to the trial medication or its components (i.e. soya lecithin)
13. Other diseases that may interfere with testing procedures or in the judgment of the
Investigator may interfere with trial participation (such as significant GI issues
like irritable bowel syndrome, inflammatory bowel disease, recent abdominal surgery,
diverticular disease), or significant other lung diseases (such as severe obstructive
lung disease such as severe asthma or severe chronic obstructive pulmonary disease,
etc.) or may put the patient at risk when participating in this trial.
14. Life expectancy for a disease other than ILD < 2.5 years (Investigator assessment).
15. In the opinion of the investigator, any condition precluding participation and
completion of the study, including active alcohol and drug abuse or patients not able
to understand or follow trial procedures.
16. Other investigational therapy was received within 1 month or 6 half-lives (whichever
was greater) before the screening visit.
17. Previous treatment with nintedanib or pirfenidone (taken the drug for ≥ 1 month or
history of intolerance/side effects)
18. Current or recent use of one or more of the following medications (See: SOC
immunosuppression and washout under section 6.2 for details)
1. Cyclophosphamide within 3 months of baseline.
2. Anti-tumor necrosis factor (infliximab, golimumab, or certolizumab) within 8
weeks or adalimumab within 4 weeks, and etanercept within 2 weeks of baseline.
3. Janus kinase inhibitors (tofacitinib, upadacitinib, baricitinib, others) within 4
weeks of baseline.
4. Anakinra within 1 week of baseline.
5. Other biological agents such as tocilizumab, abatacept, etc. within 4 weeks of
baseline.
19. Safety laboratory abnormality as any one of below. 1. Aspartate transferase (AST), alanine aminotransferase (ALT) > 1.5 x ULN at
screening, unless deemed due to active myositis, in which case CK is also
abnormally elevated and the ratio of AST or ALT by CK levels (adjusted as x ULN)
should be < 2.0 and gamma-glutamyl transferase < 2.0 x ULN.
2. Bilirubin > 1.5 x ULN at screening. 3. Creatinine clearance <30 mL/min calculated by Cockcroft-Gault formula at
screening.
4. Hgb < 9.0. 5. Platelet count < 100,000/mm3. 6. White blood cells < 3000/mm3. -