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Nerve & tissue research · RESEARCH PROFILE

Ara-290

Cibinetide research focuses on tissue signaling and small-fiber neuropathy.

1 specification·13 source documents·Source updated Jul 13, 2026

At a glance

Cibinetide research focuses on tissue signaling and small-fiber neuropathy.

This profile separates the compound’s scientific background from specification-specific preparation and source schedules. Begin with the research findings and limitations, then select the formulation you want to examine.

How it works

Ara-290 is discussed as an erythropoietin-derived peptide designed to engage tissue-protective signaling without reproducing the hormone’s full red-blood-cell effects. The proposed pathway involves a receptor complex distinct from the classical erythropoietin receptor.[1][8][9]

Potential benefits & side effects

Interpret each outcome in the context of the study population, formulation and evidence type. Research findings do not establish a personal treatment outcome.

Potential benefits & research findings

The source cites neuropathy-related investigations, including symptom measures and nerve-fiber measurements. Those endpoints describe specific study populations rather than a universal nerve-repair effect.[2][3][8]

Read the original publications to see the measured endpoints, comparator, duration and uncertainty. Mechanistic plausibility and a favorable experimental result are different from demonstrated clinical benefit.

Side effects & evidence limitations

Interpret the reported adverse effects together with the study population, route and observation period. Small or short studies can miss uncommon and delayed harms. Evidence from a related compound does not establish the safety of Ara-290.

Source-reported adverse effects and cautions

  • Neuroprotection: Clinical trials in diabetic neuropathy showed improvements in HbA1c, lipid profiles, and neuropathic pain scores with 4 mg daily dosing[2].
  • No erythropoietic effects: Unlike full EPO, Ara-290 does not stimulate red blood cell production, avoiding related side effects[2].
  • Tolerability: Well tolerated in clinical studies; occasional mild injection-site reactions (redness, transient discomfort) may occur with subcutaneous administration.
  • Sources are available for independent reading. Individual claims and research schedules have not yet undergone an independent clinical review by Pep Science.

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    SPECIFICATIONS & SOURCE SCHEDULES

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    Showing 16 mg · 1 source tables

    Source-derived research information. Table phases retain the source’s actual duration; open-ended phases are not converted into a fixed eight-week course. Review the original study before interpreting a schedule.

    Standard / Gradual Approach (2.0 mL = 8 mg/mL)

    Week 1Weeks 2–8
    WeekDaily DoseUnits (per injection) (mL)
    Week 12 mg (2,000 mcg)25 units (0.25 mL)
    Weeks 2–8 (or up to 16)4 mg (4,000 mcg)50 units (0.50 mL)

    Frequency: Inject once daily subcutaneously. Clinical studies used 4 mg/day as the target therapeutic dose, with no additional benefit observed at 8 mg[2][4]. Starting at 2 mg for the first week allows assessment of individual tolerance before reaching the maintenance dose.

    Additional schedule context & duration

    Concise summary of the once-daily regimen based on clinical trial designs.

    • Goal: Support tissue protection, anti-inflammatory signaling, and neuropathic symptom management via IRR activation[2].
    • Schedule: Daily subcutaneous injections for 4–8 weeks (clinical trials used 28-day protocols; extension to 8–16 weeks based on individual response).
    • Dose Range: 2–4 mg daily; 4 mg is the established target dose.
    • Reconstitution: 2.0 mL per 16 mg vial (8 mg/mL) for accurate unit measurements.
    • Storage: Lyophilized refrigerated or frozen; reconstituted refrigerated up to 28 days.

    Suggested daily titration approach reflecting clinical study parameters.

    • Start: 2 mg daily during week 1 to assess tolerance.
    • Target: 4 mg daily from week 2 onward[2].
    • Frequency: Once per day (subcutaneous).
    • Cycle Length: 4–8 weeks standard; may extend to 16 weeks based on individual assessment.
    • Timing: Any consistent time daily; rotate injection sites.

    Read this source protocol ↗ · View cited documents ↓

    Preparation

    Preparation and stability depend on the formulation, diluent, container and handling. The source-specific notes below apply to the selected record.
    Reconstitution Steps
    1. Draw 2.0 mL bacteriostatic water with a sterile syringe.
    2. Inject slowly down the vial wall; avoid foaming.
    3. Gently swirl or roll until fully dissolved (do not shake vigorously).
    4. Label with reconstitution date and refrigerate at 2–8 °C (35.6–46.4 °F), protected from light.

    Important: This guide is for educational purposes only and is not medical advice. For research use only. Not for human consumption.

    Storage Instructions

    Proper storage preserves peptide integrity and potency.

    • Lyophilized: Refrigerate at 2–8 °C (35.6–46.4 °F) for up to 2 years; freeze at −20 °C (−4 °F) for extended storage up to 3 years[5].
    • Reconstituted: Refrigerate at 2–8 °C (35.6–46.4 °F); use within 28 days and do not freeze the liquid solution[6].
    • Allow vials to reach room temperature before opening to minimize condensation; protect from light.
    • Discard if discoloration, cloudiness, or particulate matter is observed.

    Injection Technique

    General subcutaneous guidance from clinical best-practice resources[7][11].

    • Clean the vial stopper and injection site with alcohol swabs; allow to dry completely.
    • Select a fatty subcutaneous site: lower abdomen (at least 2 inches from navel), outer thigh, or back of upper arm[11].
    • Pinch a skinfold; insert the needle at 45–90° into subcutaneous tissue[12].
    • Aspiration is not required for subcutaneous injections; inject slowly and steadily[12].
    • Rotate sites systematically with each dose to avoid lipohypertrophy and local tissue changes[7].
    • After injection, withdraw the needle and apply gentle pressure with clean gauze; do not rub the site.

    Materials & quantity planning

    Source materials checklist · 16 mg

    Plan based on an 8–16 week daily protocol with gradual titration (2 mg week 1, then 4 mg daily).

    • Peptide Vials (Ara-290, 16 mg each):

      • 8 weeks ≈ 14 vials
      • 12 weeks ≈ 21 vials
      • 16 weeks ≈ 28 vials
    • Insulin Syringes (U-100):

      • Per week: 7 syringes (1/day)
      • 8 weeks: 56 syringes
      • 12 weeks: 84 syringes
      • 16 weeks: 112 syringes
    • Bacteriostatic Water (10 mL bottles): Use 2.0 mL per vial for reconstitution.

      • 8 weeks (14 vials): 28 mL3 × 10 mL bottles
      • 12 weeks (21 vials): 42 mL5 × 10 mL bottles
      • 16 weeks (28 vials): 56 mL6 × 10 mL bottles
    • Alcohol Swabs: One for the vial stopper + one for the injection site each day.

      • Per week: 14 swabs (2/day)
      • 8 weeks: 112 swabs → recommend 2 × 100-count boxes
      • 12 weeks: 168 swabs → recommend 2 × 100-count boxes
      • 16 weeks: 224 swabs → recommend 3 × 100-count boxes


    Calculate a phased quantity

    Enter each finite phase from the schedule you are studying. Open-ended phases need an explicit duration. Calculation uses 16 mg per vial and 2 mL per vial.

    Complete each phase to calculate totals.

    Quantity estimates exclude preparation losses and expiry. Follow the formulation’s handling and disposal requirements.

    FOLLOW THE EVIDENCE

    References & further reading

    Original publications and source documents cited across this product’s variants. A listed source is not an independent endorsement of a dosing schedule.