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A class of diffuse lung diseases that typically affect the pulmonary interstitium, although some also have a component affecting the airways (for instance, Cryptogenic organizing pneumonitis).
Biomarker and diagnostic research for idiopathic interstitial pneumonia has been reported in the published literature.
No approved treatments are currently available for idiopathic interstitial pneumonia. An additional 12 compounds hold orphan drug designation.
While no drugs are FDA-approved specifically for idiopathic interstitial pneumonia, some of the following designated compounds may be used off-label in clinical practice. Treatment decisions should be made in consultation with a specialist familiar with this condition.
The following drugs have received orphan drug designation from the FDA for idiopathic interstitial pneumonia. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor |
|---|
8 clinical trials registered, 2 recruiting. Interventions under study include other interventions, drug therapy, and procedural interventions. Pipeline includes 1 PHASE2, 1 PHASE1, 1 EARLY_PHASE1. Research is primarily sponsored by academic and government institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT05365802](https://clinicaltrials.gov/study/NCT05365802) |
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 3:31 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Designated
Exclusivity End |
|---|
Designation Status |
|---|
kynurenic acid | kynurenic acid | BirchBioMed Inc. | 2025 | — | Designated |
roflumilast | roflumilast | Transpire Bio Inc | 2025 | — | Designated |
selective CXCR7 agonist | selective CXCR7 agonist | iLeadBMS Co., Ltd. | 2025 | — | Designated |
an autologous cell product derived from the human airway basal cells without any gene modification | an autologous cell product derived from the human airway basal cells without any gene modification | Regend Therapeutics Co., Ltd. | 2025 | — | Designated |
immunomodulatory inhibitor of high mobility group box 1 | immunomodulatory inhibitor of high mobility group box 1 | Spark Biopharma, Inc. | 2024 | — | Designated |
(H-L-Arginyl-L-Valyl-L-Isoleucyl-L-Arginyl-L-Alanyl-L-Cysteinyl-L-Leucyl-Glycyl-L-Valyl-Glycyl-L-Leucyl-L-Leucyl-Glycyl-L-Asparaginyl-L-Leucyl-D-Alanyl-Glycyl-L-Lysyl-amino-PEG12-propionic acid)2 (Disulfide bond at Cys) | (H-L-Arginyl-L-Valyl-L-Isoleucyl-L-Arginyl-L-Alanyl-L-Cysteinyl-L-Leucyl-Glycyl-L-Valyl-Glycyl-L-Leucyl-L-Leucyl-Glycyl-L-Asparaginyl-L-Leucyl-D-Alanyl-Glycyl-L-Lysyl-amino-PEG12-propionic acid)2 (Disulfide bond at Cys) | CohBar, Inc. | 2022 | — | Designated |
garadacimab | garadacimab | CSL Behring | 2022 | — | Designated |
soidum (5-(3-cyanopyrazolo[1,5-a]pyridin-5-yl)-2-methoxypyridin-3-yl)((2,4-difluorophenyl)sulfonyl)amide | soidum (5-(3-cyanopyrazolo[1,5-a]pyridin-5-yl)-2-methoxypyridin-3-yl)((2,4-difluorophenyl)sulfonyl)amide | Sunshine Lake Pharma Co., Ltd | 2018 | — | Designated |
N-(2-chloro-6-propoxypyridin-4-yl)-2-(2-hydroxyethyl)-2-(4-isopropyl-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridin-6-yl)hydrazinecarboxamide | N-(2-chloro-6-propoxypyridin-4-yl)-2-(2-hydroxyethyl)-2-(4-isopropyl-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridin-6-yl)hydrazinecarboxamide | Arroyo Biosciences, LLC | 2018 | — | Designated |
plasminogen (Human) | plasminogen (Human) | Kedrion Biopharma Inc. | 2017 | — | Designated |
small molecule inhibitor of the Wnt pathway | small molecule inhibitor of the Wnt pathway | Biosplice Therapeutics, Inc. | 2017 | — | Withdrawn |
carbon monoxide | carbon monoxide | Proterris, Inc. | 2016 | — | Designated |
8 trials found
FAPI PET for Lung Fibrosis |
EARLY_PHASE1 |
University of California, Los Angeles |
ACTIVE_NOT_RECRUITING |
[NCT06702228](https://clinicaltrials.gov/study/NCT06702228) | Precision Diagnosis and Care for Families With Pulmonary Fibrosis in Ireland | — | Royal College of Surgeons, Ireland | RECRUITING |
[NCT02951416](https://clinicaltrials.gov/study/NCT02951416) | Clinical Course of Interstitial Lung Diseases: European IPF Registry and Biobank | — | Andreas Guenther | ACTIVE_NOT_RECRUITING |
[NCT03747627](https://clinicaltrials.gov/study/NCT03747627) | BPF Genetics of ILD Study | — | University of Dundee | UNKNOWN |
[NCT05515627](https://clinicaltrials.gov/study/NCT05515627) | Atezolizumab for Idiopathic Pulmonary Fibrosis | PHASE1 | Cedars-Sinai Medical Center | ACTIVE_NOT_RECRUITING |
105 publications have been identified in PubMed for idiopathic interstitial pneumonia. Research spans Epidemiology / Natural History (35%), Review / Meta-Analysis (20%), and Diagnostic / Biomarker (10%).
Research Type | Count | % of Total |
|---|---|---|
Disease patterns and progression | 37 | 35% |
Research summaries | 21 | 20% |
Testing and diagnosis research | 11 | 10% |
Other research | 10 | 10% |
Laboratory research | 10 | 10% |
Clinical study results | 9 | 9% |
Patient case studies | 7 | 7% |
Rzepka-Wrona P (2026). [PMID: 42160779](https://pubmed.ncbi.nlm.nih.gov/42160779/). *JMIR Form Res*. [Epidemiology / Natural History]
Mrad A (2026). [PMID: 32119316](https://pubmed.ncbi.nlm.nih.gov/32119316/). *Unknown Journal*. [Other]
Fukui M (2026). [PMID: 41706096](https://pubmed.ncbi.nlm.nih.gov/41706096/). *Surg Today*. [Clinical Trial Publication]
Isono T (2026). [PMID: 41882889](https://pubmed.ncbi.nlm.nih.gov/41882889/). *Intern Med*. [Epidemiology / Natural History]
Konoeda C (2026). [PMID: 41768799](https://pubmed.ncbi.nlm.nih.gov/41768799/). *JHLT Open*. [Epidemiology / Natural History]
Tsubouchi K (2026). [PMID: 41704708](https://pubmed.ncbi.nlm.nih.gov/41704708/). *ERJ Open Res*. [Clinical Trial Publication]
Shehata M (2026). [PMID: 32644447](https://pubmed.ncbi.nlm.nih.gov/32644447/). *Unknown Journal*. [Review / Meta-Analysis]
Perelas A (2026). [PMID: 41520900](https://pubmed.ncbi.nlm.nih.gov/41520900/). *Respir Med*. [Review / Meta-Analysis]
Shekh I (2026). [PMID: 41930418](https://pubmed.ncbi.nlm.nih.gov/41930418/). *Monaldi Arch Chest Dis*. [Basic Science / Preclinical]
Horio Y (2026). [PMID: 42020547](https://pubmed.ncbi.nlm.nih.gov/42020547/). *Sci Rep*. [Epidemiology / Natural History]
AI-curated news mentioning idiopathic interstitial pneumonia
Updated May 12, 2026
A recent case report details a patient with interstitial pneumonia associated with a primary pulmonary atypical carcinoid tumor and multiple brain metastases. This study contributes to the understanding of the complex interplay between these conditions.
A study published in PubMed examines the clinical characteristics of 20 lung adenocarcinoma patients who were misdiagnosed with interstitial pneumonia. This research highlights the diagnostic challenges and the need for improved differentiation between these conditions.
A case study highlights hepatopulmonary syndrome linked to metabolic dysfunction-associated steatotic liver disease in a patient suffering from interstitial pneumonia and COPD. This research contributes to understanding the complex interplay between these conditions.