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Retension Pharmaceuticals closes $15 million Series B financing to advance RTN-001 for uncontrolled hypertension. The funding supports Phase 2b trials and a new patent issuance.

PUBLIC · RTSNAug 06, 2025

Amount Raised

$15 Million

Round Type

Series B

McleanBiotechnologyHealthcareHealth CareTherapeuticsPharmaceuticalBiopharma

Description

Retension Pharmaceuticals, focused on hypertension therapies, successfully closed its $15 million Series B financing. This funding will aid in advancing the clinical development of RTN-001 for patients with uncontrolled and resistant hypertension. Alongside this, a US patent for RTN-001 has been issued, extending protection through at least 2044. Dr

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Company Information

Company

Retension Pharmaceuticals

Location

Mclean, Virginia, United States

About

Retension Pharmaceuticals is developing RTN-001, a differentiated, tissue-targeted PDE5 inhibitor that has been optimized for the treatment of uncontrolled hypertension. RTN-001 has been evaluated in over 265 subjects across 9 clinical trials. In these studies, RTN-001 was well tolerated and demonstrated a sustained and clinically significant impact on central and brachial blood pressure in patients with uncontrolled hypertension. RTN-001 is a second generation PDE5i that preferentially distributes to cardiovascular tissues, where it acts to mediate a sustained and clinically significant impact on central and brachial blood pressure in patients with uncontrolled hypertension.

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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

Retension Pharmaceuticals raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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