Paratek Pharmaceuticals Inc., an American pharmaceutical company, completed its acquisition of Radius Health Inc., a US-based biopharmaceutical firm, on March 18, 2026. No financial terms were disclosed for the transaction which expands Paratek’s multi-product specialty commercial platform and diversifies its portfolio with Radius’s TYMLOS® to complement NUZYRA® and XHANCE®.

AcquirerParatek Pharmaceuticals Inc.
TargetRadius Health Inc.
Deal value (undisclosed)
Type of dealacquisition
Date closedMarch 18, 2026
Buy-side advisorsLazard
Sell-side advisors (not disclosed)
Legal buy sideSkadden Arps Slate Meagher & Flom
Legal sell side (not disclosed)

The combination of Paratek and Radius is intended to strengthen Paratek’s position in the specialty pharmaceutical market by adding Radius’s osteoporosis drug TYMLOS® to its existing portfolio, which includes antibiotics NUZYRA® and XHANCE®, a nasal spray for chronic obstructive pulmonary disease (COPD). This diversification strategy aims to reduce reliance on any single product line and enhance long-term revenue stability.

Paratek Pharmaceuticals stated that the acquisition will enable it to leverage Radius Health’s commercial infrastructure, thereby accelerating market penetration of its new products. The integration is expected to benefit both companies’ patient bases by expanding access to a wider range of specialty medications.

This strategic move comes at a time when Paratek faces increasing competition in the antibiotic and respiratory medication spaces. By diversifying into osteoporosis treatments, Paratek hopes to capitalize on growing demand for novel therapeutic options within this sector.