Efficacy and Safety of Intravenous Efzofitimod in Patients With Pulmonary Sarcoidosis
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ClinicalTrials.gov Identifier: NCT05415137 |
Recruitment Status :
Recruiting
First Posted : June 10, 2022
Last Update Posted : September 7, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Pulmonary Sarcoidosis | Drug: Efzofitimod 3 mg/kg Drug: Efzofitimod 5 mg/kg Drug: Placebo | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 264 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Intravenous Efzofitimod in Patients With Pulmonary Sarcoidosis |
Actual Study Start Date : | September 15, 2022 |
Estimated Primary Completion Date : | December 15, 2024 |
Estimated Study Completion Date : | January 15, 2025 |
Arm | Intervention/treatment |
---|---|
Experimental: Efzofitimod 3 mg/kg |
Drug: Efzofitimod 3 mg/kg
EfzofitimodIV infusion every 4 weeks for a total of 12 doses
Other Names:
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Experimental: Efzofitimod 5 mg/kg |
Drug: Efzofitimod 5 mg/kg
EfzofitimodIV infusion every 4 weeks for a total of 12 doses
Other Names:
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Placebo Comparator: Placebo |
Drug: Placebo
Placebo IV infusion every 4 weeks for a total of 12 doses |
- Change from baseline in mean daily oral corticosteroid (OCS) dose post-taper [ Time Frame: Baseline to Week 48 ]
- Annual rate of change in absolute value of Forced vital capacity (FVC) [ Time Frame: Baseline to Week 48 ]
- Percent change from baseline in mean daily OCS dose post-taper [ Time Frame: Baseline to Week 48 ]
- Change from baseline in King's Sarcoidosis Questionnaire (KSQ)-Lung score [ Time Frame: Baseline to Week 48 ]

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Ages Eligible for Study: | 18 Years to 75 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Confirmed diagnosis of pulmonary sarcoidosis for at least 6 months, defined by the following criteria: documented histologically proven diagnosis of sarcoidosis by tissue biopsy and documented evidence of parenchymal lung involvement by historical radiological evidence
- Evidence of symptomatic pulmonary sarcoidosis, as demonstrated by the following criteria: Modified Medical Research Council (MRC) dyspnea scale grade of at least 1 and KSQ-Lung score ≤70
- Patients must be receiving treatment with OCS of ≥ 3 months with a starting dose between ≥ 7.5 and ≤ 25 mg/day.
- Body weight ≥ 40 kg and < 160 kg
Exclusion Criteria:
- Treatment with > 1 oral immunosuppressant therapy
- Treatment with biological immunomodulators, such as tumor necrosis factor-alpha (TNF-α) inhibitors or antifibrotics or interleukin inhibitors
- Likelihood of significant pulmonary fibrosis as shown by any 1 or more of the following: High resolution CT fibrosis > 20% within the last 12 months; FVC percent predicted (FVCPP) < 50% and KSQ-Lung score < 30
- Clinically significant pulmonary hypertension requiring treatment with vasodilators
- Patients with cardiac sarcoidosis, neurosarcoidosis, or renal sarcoidosis
- Clinically significant cutaneous and ocular sarcoidosis
- History of Addisonian symptoms that precluded previous OCS taper attempts
- Is an active, heavy smoker of tobacco/nicotine-containing products
- History of anti-synthetase syndrome or Jo-1 positive at baseline

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05415137
Contact: aTyr Pharma Clinical Research | 877-215-5731 | clinicaltrials@atyrpharma.com |

Study Director: | Lisa Carey | aTyr Pharma, Inc. |
Responsible Party: | aTyr Pharma, Inc. |
ClinicalTrials.gov Identifier: | NCT05415137 |
Other Study ID Numbers: |
ATYR1923-C-004 |
First Posted: | June 10, 2022 Key Record Dates |
Last Update Posted: | September 7, 2023 |
Last Verified: | September 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Undecided |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Pulmonary Sarcoidosis Sarcoidosis Granuloma Inflammation Lymphoproliferative Disorders Interstitial Lung Disease Neuropilin-2 Steroids |
Oral corticosteroids Immunomodulatory tRNA Synthetase ATYR1923 KRP-R120 Efzofitimod Fibrosis |
Sarcoidosis, Pulmonary Sarcoidosis Lymphoproliferative Disorders Lymphatic Diseases Hypersensitivity, Delayed |
Hypersensitivity Immune System Diseases Lung Diseases, Interstitial Lung Diseases Respiratory Tract Diseases |