LTR Pharma Wins Indian Patent for Nasal Spray Formulation Technology

LTR Pharma's SPONTAN Indian patent, granted on 9 November 2026, protects the nose spray technology behind two erectile dysfunction products until May 2041.
By Josua Ferreira -
  • India's Patent Office has granted Patent No. 605429 for the nose spray technology behind LTR Pharma's SPONTAN and ROXUS products.
  • Protection runs to May 2041, subject to maintenance requirements and the patent staying valid.
  • The granted claims cover defined features of the formulation that supports both erectile dysfunction sprays.
  • Both sprays are designed to start working in 10 minutes or less.
  • The grant follows a binding US telehealth deal with Shed Holdings that includes a first-year commitment of 150,000 units.
Summarise with AI:

Indian patent granted for SPONTAN® and ROXUS® formulation technology

LTR Pharma Limited (ASX: LTP) says the Indian Patent Office has formally granted Patent No. 605429, titled Formulations and Methods for Treating Erectile Dysfunction. The announcement was made on 09 November 2026.

The granted claims protect defined formulation characteristics of the intranasal technology supporting the Company’s SPONTAN® and ROXUS® products.

The grant represents a further milestone in the Company’s international intellectual property strategy, supporting its ongoing clinical development and commercialisation programs.

LTR Pharma Executive Chairman, Lee Rodne

“The grant of this patent in India is a positive milestone for LTR Pharma… We are pleased with the scope of the granted claims and the additional protection they provide for our intranasal formulation technology…”

Patent protection runs to May 2041

The key facts of the grant are:

  • Patent No. 605429
  • Patent protection extends to May 2041, subject to applicable maintenance requirements and continued validity
  • Covers the intranasal formulation technology supporting SPONTAN® and ROXUS®

SPONTAN® and ROXUS® are fast-acting intranasal sprays for the treatment of erectile dysfunction, enabling onset of action in 10 minutes or less.

LTR Pharma Patent & Product Fact Card

The final Phase II study, run by independent CRO Southern Star Research, compared SPONTAN against a 20 mg oral vardenafil tablet and completed the pharmacokinetic dataset the FDA requested at its 2025 Pre-IND meeting.

Mr Rodne said protecting intellectual property remains an important part of the strategy as the Company advances its clinical and commercial programs.

The commercial side of the strategy took shape in July 2026, when a U.S. telehealth distribution agreement with Shed Holdings converted an earlier term sheet into a binding contract with a 150,000-unit first-year volume commitment.

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Frequently Asked Questions

What is the LTR Pharma SPONTAN Indian patent?

It is Patent No. 605429, titled Formulations and Methods for Treating Erectile Dysfunction, granted by the Indian Patent Office. It protects defined features of the nose spray formulation behind SPONTAN and ROXUS.

How long does the LTR Pharma Indian patent last?

Protection runs to May 2041. It depends on meeting maintenance requirements and the patent staying valid.

What are SPONTAN and ROXUS?

They are fast-acting nose sprays for erectile dysfunction. They are designed to start working in 10 minutes or less.

What else has LTR Pharma announced recently?

In July 2026 it signed a binding US telehealth distribution deal with Shed Holdings, with a first-year commitment of 150,000 units. Its final Phase II study also completed the data the FDA asked for in 2025.

Josua Ferreira
By Josua Ferreira
Partnership Director
Josua Ferreira holds a Bachelor of Commerce in Marketing and Advertising and brings a background in publication, business development, and ASX market storytelling. He has worked with listed companies across the resource sector and broader market, combining sharp commercial instincts with a genuine commitment to keeping investors informed.
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