Zydus Lifesciences Receives USFDA Final Approval for Bosentan Tablets for Pediatric PAH Treatment
Zydus Lifesciences Limited has received final USFDA approval for Bosentan tablets for oral suspension, 32 mg, a generic version of Tracleer® indicated for treating Pulmonary Arterial Hypertension in children aged 3 years and older. The dual endothelin receptor antagonist targets a USD 9.3 mn annual US market and will be manufactured at the company's SEZ, Ahmedabad facility. This approval brings Zydus's total USFDA approvals to 432, with 505 ANDAs filed since FY 2003-04, strengthening its presence in the specialized pediatric pharmaceutical segment.

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Zydus Lifesciences Limited has announced receiving final approval from the United States Food and Drug Administration (USFDA) for Bosentan tablets for oral suspension, 32 mg, marking another milestone in the company's pharmaceutical portfolio expansion in the US market.
Product Specifications and Market Details
The approved product is the generic version of Tracleer® Tablets for Oral Suspension, 32 mg. Bosentan 32 mg tablets for oral suspension are specifically indicated for treating Pulmonary Arterial Hypertension (PAH) in pediatric patients.
| Parameter: | Details |
|---|---|
| Product: | Bosentan tablets for oral suspension, 32 mg |
| Reference Drug: | Tracleer® Tablets for Oral Suspension, 32 mg |
| Target Population: | Children aged 3 years and older |
| Indication: | Idiopathic or congenital PAH |
| Annual US Sales: | USD 9.3 mn (IQVIA MAT December 2025) |
Therapeutic Benefits and Mechanism
Bosentan functions as a dual endothelin receptor antagonist that effectively lowers high blood pressure in the lungs. The medication is specifically designed to improve exercise ability and reduce clinical worsening in children with idiopathic or congenital PAH. The dosing is typically administered based on the patient's body weight, ensuring appropriate therapeutic levels for pediatric patients.
Manufacturing and Production
The Bosentan 32 mg tablets will be manufactured at the group's formulation manufacturing facility located at SEZ, Ahmedabad. This facility represents part of Zydus's established manufacturing infrastructure that supports its pharmaceutical operations.
Regulatory Portfolio Expansion
With this latest approval, Zydus has strengthened its regulatory portfolio in the United States market. The company's filing statistics demonstrate its sustained commitment to expanding its presence in the US pharmaceutical market.
| Milestone: | Count |
|---|---|
| Total Approvals: | 432 |
| Total ANDAs Filed: | 505 (as of December 31, 2025) |
| Filing Period: | Since FY 2003-04 |
The approval adds to Zydus's growing portfolio of USFDA-approved products, reflecting the company's continued focus on addressing therapeutic needs in specialized areas such as pediatric pulmonary arterial hypertension treatment.
Historical Stock Returns for Zydus Life Science
| 1 Day | 5 Days | 1 Month | 6 Months | 1 Year | 5 Years |
|---|---|---|---|---|---|
| -0.84% | +0.46% | +3.95% | -8.53% | -1.27% | +92.96% |

































