> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/nerandomilast-64fce164-408a-4136-b057-e9aaa9df5d35
> Record changed: 2026-10-13

# Nerandomilast

Highest phase reached

Phase 2

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5314532)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5314532)

## Development status

**Listing at source**

Listed

**Highest phase reached**

Phase 2

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5314532)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5314532)

**Drug name**

Nerandomilast

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5314532)

**Molecular weight**

448.98

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5314532)

**Structure (SMILES)**

These details could not be displayed.

### Other names (16)

- bi 1015550
- BI 1015550
- BI 1015550 (C-14)
- BI 1015550 (Nerandomilast)
- BI 1015550 6 mg
- BI-1015550
- jascayd
- JASCAYD
- nerandomilast
- Nerandomilast
- nerandomilast \[INN\]
- NERANDOMILAST \[USAN\]
- Nerandomilast \[WHO-DD\]
- nerandomilast inn
- nerandomilast usan
- nerandomilast who dd

## Identifiers

**ATC classification codes**

- L04AA61

**CAS registry numbers**

- 1423719-30-5

**ChEMBL ID**

CHEMBL5314532

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5314532)

**InChIKey**

UHYCLWAANUGUMN-UHFFFAOYSA-N

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5314532)

**RxNorm IDs (RxCUI)**

- 2725523

**FDA ingredient codes (UNII)**

- I5DGT51IB8

### PubChem compound IDs (2)

- 71278111
- 166177189

## Regulatory information

### European Union

**Status**

Authorised

**Status date**

15 Jul 2026

**Authorisation date**

15 Jul 2026

**Approved indications**

Jascayd is indicated for the treatment of adult patients with Idiopathic Pulmonary Fibrosis (IPF). Jascayd is indicated for the treatment of adult patients with Progressive Pulmonary Fibrosis (PPF).

**Product number**

EMEA/H/C/006405

**Authorisation holder**

Boehringer Ingelheim International GmbH

**Priority medicines scheme**

No

**Generic**

No

**Biosimilar**

No

**Generic medicines**

0

**Biosimilar medicines**

0

**Advanced therapy**

No

**Conditional approval**

No

**Additional monitoring**

Yes

**Accelerated assessment**

No

**Exceptional circumstances**

No

#### Therapeutic areas

- Idiopathic Pulmonary Fibrosis

European medicines record

Source: [www.ema.europa.eu](https://www.ema.europa.eu/en/medicines/human/EPAR/jascayd)

### Other regulatory facts

**Patents**

5

**Designations**

5

**Earliest recorded loss of exclusivity**

22 Oct 2038

**First in class**

No

**Fast track**

No

**Breakthrough designation**

Yes

**Orphan designation**

No

**Priority review**

Yes

**Orphan exclusivity**

No

**Accelerated approval**

No

## Pharmacology

### Drug classification

**Pharmacology name**

example 2 \[WO2013026797A1\]

**Type**

Synthetic organic

**Drug name stem**

\-ast

### Mechanisms of action

- **Action**  
Inhibition

**Action type**  
Inhibitor

**Target**  
phosphodiesterase 4B

**Gene symbol**  
PDE4B

**Protein identifier**  
Q07343

**Median affinity**

8.14

**Affinity units**  
pIC50

### Investigated indications

- **Condition**  
Fibrosis

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0006890

**Subject identifier**  
D005355

### Open Targets indications (8)

- **Condition identifier**  
EFO\_0000768

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_0004244

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_0006890
- **Condition identifier**  
HP\_0000083

**Highest recorded phase**  
1
- **Condition identifier**  
HP\_0001399

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0004976

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0005100

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0015925

**Highest recorded phase**  
3

## Chemical properties

**Hydrogen bond acceptors**

8

**Hydrogen bond donors**

2

**Polar surface area**

110.12

**Calculated partition coefficient (ALogP)**

2.29

**Calculated partition coefficient (XLogP)**

1.3

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Rule-of-five violations**

0

**Rotatable bonds**

5

**Heavy atoms**

30

**Molecular formula**

C20H25ClN6O2S

**Monoisotopic mass**

448.1448229

**Natural product**

No

## National Drug Codes

- 0597-2465
- 0597-7313

## Related records

### Trials (36)

- [A Follow-up Study to Test Long-term Treatment With Nerandomilast in People With Pulmonary Fibrosis Who Took Part in a Previous Study With Nerandomilast](https://trialight.com/data/trial/a-follow-up-study-to-test-long-term-treatment-with-790ffd1c-da14-49d0-9480-2f1f7671103e.md)
- A Study in Healthy Chinese People to Test How Different Doses of BI 1015550 Are Taken up in the Body
- A Study in Healthy Men to Find Out How BI 1015550 is Taken up and Handled by the Body
- A Study in Healthy Men to Test How BI 1015550 is Taken up and Handled by the Body
- A Study in Healthy Men to Test How Bosentan Influences the Amount of Nerandomilast in the Blood
- A Study in Healthy Men to Test Whether BI 1015550 Influences the Amount of Midazolam in the Blood
- A Study in Healthy Men to Test Whether BI 1015550 Influences the Amount of Nintedanib and Pirfenidone in the Blood
- A Study in Healthy Men to Test Whether Carbamazepine Influences the Amount of Nerandomilast in the Blood
- A Study in Healthy People to Compare 2 Different Formulations of Nerandomilast Tablets When Taken With or Without Food
- A Study in Healthy People to Compare How 2 Different High Dose Formulations of BI 1015550 Are Taken up in the Body
- A Study in Healthy People to Compare How 2 Different Low Dose Formulations of BI 1015550 Are Taken up in the Body
- A Study in Healthy People to Test How BI 1015550 is Taken up in the Body When Given With or Without Food
- A Study in Healthy People to Test Whether Different Doses of BI 1015550 Have Potential to Induce Heart Rhythm Abnormalities
- A Study in People With Idiopathic Pulmonary Fibrosis to Test Whether Pirfenidone Influences the Amount of BI 1015550 in the Blood
- A Study to Find Out How Nerandomilast is Tolerated, Handled by the Body, and if it Helps Children and Adolescents With Interstitial Lung Disease (FIBRONEER-chILD)
- [A Study to Find Out Whether BI 1015550 Improves Lung Function in People With Idiopathic Pulmonary Fibrosis (IPF)](https://trialight.com/data/trial/a-study-to-find-out-whether-bi-1015550-improves-lung-b5be8e44-6c74-4fcb-9d38-b2d60976560e.md)
- [A Study to Find Out Whether BI 1015550 Improves Lung Function in People With Progressive Fibrosing Interstitial Lung Diseases (PF-ILDs)](https://trialight.com/data/trial/a-study-to-find-out-whether-bi-1015550-improves-lung-1045d0bd-5e73-47e5-b5af-a646946c705a.md)
- A Study to Test How BI 1015550 is Taken up in the Blood of People With and Without Kidney Problems
- A Study to Test How BI 1015550 is Taken up in the Blood of People With and Without Liver Problems
- A Study to Test How Different Doses of Nerandomilast (BI 1015550) Are Taken up in the Body of Healthy Japanese Men

### In development for (1)

- [Interstitial lung disease](https://trialight.com/data/condition/interstitial-lung-disease-745f5770-ba0b-517d-b691-5b9731a03266.md) Phase 3

---

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