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Sea4Us is a biotechnology company dedicated to transform marine-inspired compounds into innovative therapies for unmet medical needs.

Sea4Us discovers unique chemical compounds found in marine organisms and develops them into innovative treatments, in particular those with abnormal neuronal signalling, such as chronic pain. Marine resources, such as sea sponges, provide a diverse array of bioactive molecules with the potential to target pain pathways. In the framework of its ‘Sea4Pain’ project, Sea4Us is transforming these marine-inspired, scientifically developed compounds into optimised and synthesisable pharmaceutical ingredients.
The development of Sea4Pain through to the first human trials and its licensing and marketing to the pharmaceutical industry has the support of the European Innovation Council's (EIC) Accelerator programme.
The funds raised through the present campaign will be used to advance the payment of the public incentive grants awarded to Sea4Us, and ensure that Sea4Pain is developed at fast pace to reach clinical trials in 2026. The project will strengthen Sea4Us' operational capabilities and its readiness to obtain license agreements with pharmaceutical companies on a global level.
The funds raised by this campaign will be directed to fuel the completion of the regulated GLP-Tox studies by the end of 2025 and the production of the compound for human tests, with the subsequent preparation of the application for clinical trials, and with Phase 1 clinical tests starting in the first semester of 2026. A new patent is expected from these results, to further protect Sea4Pain and increase its commercial value.

Sea4Pain is a non-opiate analgesic for the treatment of moderate-severe chronic pain. This analgesic acts through a new mechanism of action, which allows for analgesic efficacy equivalent to opiates, but without altering sensory perception and without affecting the brain. This drug, derived and refined from a molecule found in a marine sponge from the Portuguese coast, in Sagres, has proven its efficacy in 7 different chronic disease models.
With the funds raised through the first campaign, Sea4Us was able to upscale Sea4Pain to industrial production (kg) certified for regulated toxicology and safety tests (GLP-Tox studies), and also executed advanced safety studies, that have shown excellent tolerability of the compound even at the highest tested dosages, with no adverse effects, providing a high safety margin of at least 50-100x the therapeutic predicted reference. Further, Sea4Pain has shown the absence of genotoxicity, with high metabolic stability. A new patent on Sea4Pain is currently being finalised for PCT application.
The current safety and absence of toxicology observed for Sea4Pain make it possible to offer a safe and effective alternative to existing pain treatments without the risk of addiction or habituation. This technology has already been patented by Sea4Us.
The project is ongoing, and clinical trials are expected to start in 2026. The main goal of the promoter at the moment is to advance the development of Sea4Us' innovative medicines, particularly Sea4Pain, by financing key R&D activities such as regulated pre-clinical toxicology, clinical trial applications and the execution of first-in-human clinical trials, which will catapult Sea4Pain’s value and accelerate its commercialization, by 2027.

You can learn more here: Sea4Us_Sea4Pain_Jun2025
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A Sea4Us - Biotecnologia e Recursos Marinhos, S.A., fundada em 2013, é uma empresa portuguesa de biotecnologia especializada na descoberta e desenvolvimento de fármacos inovadores derivados de compostos marinhos para responder a necessidades clínicas sem tratamento adequado, como a dor crónica ou a dor induzida por quimioterapia, osteoartrite, bexiga hiperativa e doenças infeciosas.
A Sea4Us foi originalmente criada por 7 cofundadores inspirados na enorme biodiversidade marinha do Oceano Atlântico em Sagres, no sul de Portugal e foi neste lugar nasceu a Sede e Estação Marítima da Sea4Us.
Sagres continua a ser o principal local de recolha de amostras marinhas e descobertas de novos compostos bioativos, enquanto o desenvolvimento pré-clínico é realizado em Lisboa, no Laboratório de Fisiologia.

Uma spin-off da NOVA Medical School (Universidade Nova de Lisboa), a Sea4Us combina o seu conhecimento especializado em biologia marinha e eletrofisiologia, para identificar compostos diferenciadores, desenvolvê-los em novos medicamentos e realizar a sua validação e segurança preclínica.
O promotor pretende ser uma empresa biotecnológica de referência a nível mundial na investigação e desenvolvimento de produtos farmacêuticos. A Sea4Us pretende igualmente sistematizar e escalar as atividades e serviços da empresa que promovam a partilha e valorização de conhecimento biotecnológico adquirido, contribuindo para a sustentabilidade científica e económica empresa e para o desenvolvimento da região Algarvia.
A Sea4Us e o Sea4Pain foram reconhecidos pela União Europeia através do “EIC-Accelerator”, um Programa do Conselho Europeu de Inovação (EIC). Este Programa distingue o desenvolvimento deste novo medicamento e o seu impacto na sociedade e qualidade de vida dos doentes, e apoia seu desenvolvimento até aos primeiros ensaios clinicos em humanos (inclusive).
Website do promotor
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0%
80000000
Mínimo
90000000
Objetivo
120000000
Máximo
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