ARA-290 (Cibinetide) Research Guide: Clinical Evidence & Safety

ARA-290, also known as Cibinetide, is an erythropoietin-derived repair-signaling peptide studied in relation to neuropathic symptoms and nerve-fiber findings. This guide summarizes reported study contexts, safety considerations, storage claims, and the limitations of the available evidence. Early findings do not establish routine clinical benefit.

By

Peptide Dosing Library
Research & Education

Last reviewed

October 2026

Phase 2

Reported Clinical Study Context

28 Days

Duration of Several Reported Study Contexts

Small Studies

Evidence Base Described in Source

Uncertain

Long-Term Safety
An erythropoietin-derived repair-signaling peptide studied for neuropathic symptoms. Research findings are condition-specific and do not establish general tissue-healing benefits.

ARA-290 / Cibinetide

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OVERVIEW

Understanding ARA-290 / Cibinetide

ARA-290 is described in the source as an erythropoietin-derived repair-signaling peptide studied for neuropathic symptoms. The document separates small clinical studies from commercial research vials and emphasizes that investigational research does not establish marketing approval or routine clinical benefit.

Alternative Name

Cibinetide

Research Background

An erythropoietin-derived repair-signaling peptide.

Research Focus

Neuropathic symptoms and nerve-fiber findings.

Clinical Evidence

Small developer-sponsored Phase 2 studies are described in the source.

Condition-Specific Findings

Macular-edema and other outcomes relate to specific study conditions, not proof of general tissue healing.

Key Limitation

Early findings do not establish routine clinical benefit or long-term safety.

Investigational Research Is Not Marketing Approval

The source distinguishes clinical-study findings from commercial research vials. An investigational designation does not establish marketing approval, general treatment effectiveness, or long-term safety. The proposed non-erythropoietic design does not guarantee safety.

REPORTED STUDY CONTEXTS

ARA-290 Study Schedules & Reported Use

The source describes several route-specific clinical-study contexts and a separate community-reported use range. These reports should not be combined into a single treatment protocol.

SC example

Per administration

Frequency

Daily total

Reported cycle

IV Clinical Study Context

Source-reported study amount: 2 mg per administration.
Three times per week in the reported study context.
Not applicable as a daily total; the source describes three weekly IV administrations.
Four weeks in the reported study context.

Subcutaneous Study — Diabetes Neuropathy

Source-reported study amount: 4 mg/day.
Daily, as described in the source summary.
4 mg/day in the reported study context; not a personal-use recommendation.
28 days in the reported diabetes-neuropathy study context.

Other SC Studies & Community Reports

The source reports SC study contexts of 1, 4, and 8 mg/day for 28 days in sarcoidosis, and 4 mg/day for 12 weeks in macular edema. It separately notes community-reported amounts of 1–4 mg/day for roughly four weeks.
Daily in the reported SC study contexts and community summary.
Multiple amounts are reported for different contexts; they should not be interpreted as one standard daily amount.
Reported study durations include 28 days and 12 weeks; the community summary describes roughly four weeks.

IV Clinical Study Context

Per administration

Source-reported study amount: 2 mg per administration.

Frequency

Three times per week in the reported study context.

Daily total

Not applicable as a daily total; the source describes three weekly IV administrations.

Reported cycle

Four weeks in the reported study context.

Subcutaneous Study — Diabetes Neuropathy

Per administration

Source-reported study amount: 4 mg/day.

Frequency

Daily, as described in the source summary.

Daily total

4 mg/day in the reported study context; not a personal-use recommendation.

Reported cycle

28 days in the reported diabetes-neuropathy study context.

Other SC Studies & Community Reports

Per administration

The source reports SC study contexts of 1, 4, and 8 mg/day for 28 days in sarcoidosis, and 4 mg/day for 12 weeks in macular edema. It separately notes community-reported amounts of 1–4 mg/day for roughly four weeks.

Frequency

Daily in the reported SC study contexts and community summary.

Daily total

Multiple amounts are reported for different contexts; they should not be interpreted as one standard daily amount.

Reported cycle

Reported study durations include 28 days and 12 weeks; the community summary describes roughly four weeks.
These are distinct study contexts and community reports, not interchangeable protocols. Route, condition, study design, and evidence limitations matter. The source does not establish a universal or validated personal-use regimen.

Do Not Combine Different Study Contexts

The source reports different amounts and durations across IV and SC studies for different conditions. These figures are provided for research-reference context only. They do not establish a safe or effective regimen for an individual.

SAFETY

Safety Concerns & Limitations

The source describes local reactions and headache in small, short-duration trials. Long-term safety remains uncertain, and the proposed non-erythropoietic design does not guarantee safety.

Reported Safety Concerns

Important Cautions

HANDLING & STORAGE

Reported Storage & Monitoring Context

Source Powder Storage

The source reports storage at −20°C for powder. This claim is not independently validated in the document.

Mixed Product Storage

The source reports 2–8°C, protected from light, for approximately 14 days. This is a reported claim, not a verified stability guarantee.

Monitoring Context

The source mentions neuropathic symptoms and reactions as monitoring considerations.

Storage & Safety Limitations

The source does not independently validate storage claims or establish a complete long-term safety protocol. Verify product-specific information through appropriate professional and manufacturer documentation.

CONCENTRATION WORKSHEET

ARA-290 Concentration Calculation Example

The source provides one independently recomputed concentration example. It is an arithmetic reference only, not a preparation or administration instruction.

Amount (mg)

Final volume (mL)

Concentration (mg/mL)

Per 1 U (mcg)

Per 10 U (mcg)

16 mg

2 mL
8 mg/mL
80 mcg
800 mcg

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Amount (mg)

16 mg

Final volume (mL)

2 mL

Concentration (mg/mL)

8 mg/mL

Per 1 U (mcg)

80 mcg

Per 10 U (mcg)

800 mcg

Amount (mg)

Leave blank — no second example specified in the source.

Final volume (mL)

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Concentration (mg/mL)

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Per 1 U (mcg)

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Per 10 U (mcg)

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The source lists 16 mg in an assumed final volume of 2 mL, giving 8 mg/mL, 80 mcg per 1 U, and 800 mcg per 10 U. U refers to a U-100 volume marking, where 1 U = 0.01 mL. This is a mathematical example only—not a mixing or administration instruction. For blends, total mass does not represent the amount of each individual ingredient.

CLINICAL EVIDENCE

What the Research Reports

The source describes small developer-sponsored Phase 2 studies reporting neuropathic-symptom and nerve-fiber findings. Macular-edema and other outcomes were condition-specific and do not establish general tissue-healing benefits.

Phase 2

Small Clinical Studies

The source describes small developer-sponsored Phase 2 studies. These findings should be interpreted within the limitations of the individual studies.

Neuropathic Symptoms

Neuropathy-Related Findings

The source reports findings involving neuropathic symptoms and nerve fibers. It does not establish broad effectiveness for all neuropathic conditions.

Condition-Specific

Macular Edema & Other Outcomes

The source notes that macular-edema and other findings were tied to specific conditions. They should not be interpreted as proof of general tissue repair or healing.

REGULATORY INFORMATION

Investigational Status & Evidence Limitations

Early Findings Do Not Establish Routine Clinical Benefit

The source describes ARA-290 / Cibinetide as an investigational research subject and distinguishes small clinical studies from commercial research vials. Investigational status does not establish marketing approval. Early findings do not confirm routine clinical benefit, general tissue-healing effects, or long-term safety.
This page is for educational and research-reference purposes only. Reported study amounts, community reports, storage claims, and concentration calculations are not medical advice or instructions for use. Consult a qualified healthcare professional for medical questions.