Back to the Library
Evidence level C🛡️ Immunity and recovery⚪ Investigational useAlso called cibinetide. EPO-derived peptide that activates the innate repair receptor (IRR) without the classic hematopoietic effect of erythropoietin. No FDA approval.

ARA-290

EPO derivative targeted for small fiber neuropathy; phase 2 exists for sarcoidosis, not an approved analgesic.

Updated:

Affiliate link to this product’s page on Peptira. We may earn a commission at no extra cost to you. Code KAREL. Disclosure

Quick summary

ARA-290 (cibinetide) is a short peptide inspired by EPO's B-helix. It was designed to signal repair/anti-inflammation via IRR (EPOR-β common) without significantly stimulating erythropoiesis. Most cited for: symptoms and corneal nerve fiber density in small fiber neuropathy associated with sarcoidosis.

Studied for

Small fiber neuropathysarcoidosisneuropathic pain

How it works

Agonism of the innate repair complex → anti-inflammatory and axonal repair pathways in models; minimal hematopoiesis vs EPO.

What the research says

Randomized pilots in sarcoidosis/SFN (Molecular Medicine 2012–2013). Extensions and phase 2b with signals in corneal fiber area and symptoms. No approval; do not extrapolate to generic neuropathies or for “wellness neuroprotection”.

Evidence level

C — small pilot/phase 2 trials; no consolidated phase 3 / approval

What's most reported

  • Improvement in neuropathic symptom scores in small studies
  • Increase in corneal nerve fiber density/area (biomarker)
  • Community: broad neuropathic pain — not demonstrated outside of trial contexts

Common side effects

In trials: generally described as well-tolerated short-term in small populations; the complete post-marketing profile does not exist because there is no approval.

Combines / does not combine

Does not replace management of sarcoidosis/neuropathy by a specialist. No validated stacks.

Frequently asked questions

No. It is structurally related but was designed not to act like classic EPO.

No.

Keep exploring

Keep learning

Related peptides

Educational content. Not medical advice or usage guidelines. Investigational products are not approved medications unless otherwise indicated.

Where to Buy

Affiliate Partners

Affiliate links. Péptidos Fácil earns a commission if you purchase through them, at no additional cost to you.

P

Peptira

Research peptide supplier. Affiliate link.

Visit Peptira Code KAREL · 10% discount

Péptidos Fácil earns a commission on purchases made through these links. This does not constitute an endorsement, a quality verification, or a recommendation of use. Péptidos Fácil does not manufacture, sell, or distribute these products, and is not responsible for their quality or for how they are used. Do your own research and consult a healthcare professional.

Join the Péptidos Fácil community

New guides, research summaries and educational content every week.

One email a week. Unsubscribe whenever you want.