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Specimen Atlas of Research Peptides81 plates · MIT
Side-by-side · Research reference

CerebrolysinvsVilon

Side-by-side comparison across mechanism, dosage, evidence, side effects, administration, and stack synergies. Citations on every claim where available.

APhase 3HUMAN-REVIEWED11/65 cited
BAnimal-StrongHUMAN-REVIEWED13/49 cited
Cerebrolysin
Porcine Brain-Derived Peptide Mix · Phase 3
30 mL/dayStandard doseAfridi 2026Staszewski 2026
14–21 daysTreatment course
49% vs 35%mRS 0-2 at 12 moStaszewski 2026
IV infusion · 100-250 mL saline · Daily
Vilon
Khavinson Bioregulator · Dipeptide
2 AADipeptide
T-helperStimulatesLinkova 2011
MouseModel basisKhavinson 2002
Literature lacks standardised clinical route

01Mechanism of Action

Parameter
Cerebrolysin
Vilon
Primary target
Multiple neurotrophic pathways — mimics BDNF, NGF, CNTF receptor activation
Immune cell differentiation pathways, chromatin modification
Pathway
Cerebrolysin peptides → BDNF/NGF/CNTF receptor binding → TrkB/TrkA/LIFR signaling → neuroprotection, neuroplasticity, synaptogenesis
Vilon → Thymocyte sphingomyelinase activation → T-helper & cytotoxic T-cell differentiation; epigenetic suppression of aging markers (CCL11, HMGB1)
Downstream effect
Reduced apoptosis (Bax ↓, Bcl-2 ↑), suppressed TNF-α inflammation, elevated endogenous BDNF, enhanced synaptic plasticity and motor recovery
Enhanced T-cell differentiation (CD4+, CD8+, B-cells), thymocyte proliferation, modulated IL-1β comitogenic activity, proposed chromatin decondensation in aged lymphocytesLinkova 2011Khavinson 2002Lezhava 2023
Feedback intact?
Yes — exogenous peptides do not suppress endogenous neurotrophic factor synthesis
Unknown — no HPA/HPG axis data
Origin
Enzymatic breakdown of lipid-free porcine brain proteins → standardized low-MW peptide fraction (<10 kDa) + free amino acids
Synthetic dipeptide derived from Khavinson thymic peptide extraction studies (Thymalin fraction)Morozov 1997
Antibody development
Not reported in human trials; porcine origin theoretically immunogenic but no clinically significant allergic reactions documented

02Dosage Protocols

Parameter
Cerebrolysin
Vilon
Standard dose (stroke)
30–50 mL / day IVStaszewski 2026Afridi 2026
Most trials use 30 mL in 100-250 mL saline over 30-60 min.
Lower dose (dementia)
10–20 mL / day IV or IMKhatkova 2026
Chronic neurodegenerative conditions; intermittent courses.
High dose (TBI)
50 mL / day IVKobayashi 2025
CLINCH trial protocol for intracerebral hemorrhage.
Duration
10–21 days (acute); intermittent courses (chronic)
Stroke trials typically 10-14 days; rehabilitation phases may use repeated 10-day courses.
Not characterised in humans
Timing (stroke)
Initiate within 12 hrs of symptom onset; up to 6 hrs optimal
Earlier initiation associated with better outcomes.
Adjunct to thrombectomy
30-50 mL daily × 10-14 days, starting day of EVT
Propensity-matched data show 12-mo mRS 0-2 improved from 35% to 49%.
Evidence basis
Phase 3 RCT + observational
Mouse / in vitro only
Administration route
IV infusion (preferred) or IM injection
IV allows higher doses; IM used in outpatient/chronic settings.
Standard dose
No clinical standard — literature lacks human dosing
Russian practice: often combined with other Khavinson peptides; no FDA/EMA trials.
Animal model dose
In vitro: 0.01–10 μg/mL culture medium (mouse thymocytes)
Not translatable to human mg/kg without pharmacokinetic data.
Frequency
Unknown — literature does not specify chronic administration protocols
Route
Likely SQ or oral (Khavinson school uses both); no published ROA validation
Half-life
Not published — dipeptides typically <10 min plasma t½

04Side Effects & Safety

Parameter
Cerebrolysin
Vilon
Injection site reaction
Mild pain, erythema (IM route)
Infusion reaction
Rare: flushing, transient hypotension during rapid IV
Agitation / Restlessness
Reported in <5% of patients; typically mild, self-limited
Headache
Mild, transient; incidence not significantly elevated vs placeboPatel 2025
Serious adverse events
No significant increase vs placebo (RR 1.02, 95% CI 0.87-1.20)
Hemorrhagic transformation
Reduced incidence vs control (52% reduction in high-risk post-thrombolysis cohort)Kalinin 2025
Mortality
No increase; meta-analysis RR 0.89 (0.68-1.18)
Allergic reaction
Rare; porcine origin theoretically immunogenic but clinically insignificant
Seizure risk
Not elevated; safe in epilepsy populations
Human safety data
Absent from PubMed-indexed literature
Theoretical risk
Immune hyperactivation in autoimmune-prone individuals (T-cell differentiation enhancement)
Antibody formation
Not reported; dipeptides generally low immunogenicity
Animal models
No adverse effects noted in mouse thymocyte or pineal lymphoid cultures
Absolute Contraindications
Cerebrolysin
  • ·Known hypersensitivity to porcine-derived products
  • ·Active seizure disorder (relative — caution advised)
Vilon
  • ·Active autoimmune disease (theoretical — no clinical data)
Relative Contraindications
Cerebrolysin
  • ·Severe renal impairment (amino acid load — monitor)
  • ·Pregnancy / lactation (insufficient safety data)
Vilon
  • ·Pregnancy / lactation (no safety data)
  • ·Acute infection with cytokine storm risk (immune modulation unknown)

05Administration Protocol

Parameter
Cerebrolysin
Vilon
1. Preparation (IV infusion)
Dilute prescribed dose (10-50 mL) in 100-250 mL 0.9% sodium chloride. Use immediately after preparation. Do not mix with other medications in same infusion bag.
No clinical protocols exist in Western peer-reviewed literature. Russian gerontological practice may use 1–10 mg ranges, but dosing is empirical.
2. Infusion rate
Administer over 30-60 minutes. Slower infusion reduces risk of transient hypotension or flushing. Monitor vital signs during first administration.
Subcutaneous injection (common for Khavinson peptides) or oral (some bioregulators reportedly active orally due to small size). No validated ROA.
3. IM injection (alternative)
For 5-10 mL doses: inject deep IM into gluteal or deltoid muscle. Rotate sites if repeated daily. IM preferred for outpatient/chronic use.
Unknown — no circadian or meal-timing data. Khavinson school often recommends morning administration.
4. Timing
Acute stroke: initiate within 6-12 hrs of symptom onset. Daily administration, preferably same time each day. Continue 10-21 days per protocol.
Likely lyophilised powder, refrigerated. Reconstitution protocols not published.
5. Storage
Store unopened ampoules at 15-25°C, protected from light. Do not freeze. Use diluted solution immediately; discard unused portion.
6. Co-administration
Compatible with standard stroke care (thrombolysis, thrombectomy, antiplatelet/anticoagulant therapy). Does not interfere with reperfusion therapies.

06Stack Synergy

Cerebrolysin
+ Semax
Moderate
View Semax

Cerebrolysin (multimodal neurotrophic peptide mix) and Semax (ACTH(4-10) analogue) operate through complementary neuroprotective pathways. Cerebrolysin elevates BDNF and suppresses apoptosis/inflammation via TrkB/TrkA signaling, while Semax enhances neuroplasticity through BDNF upregulation and dopaminergic modulation. Combined use in stroke or TBI may amplify anti-apoptotic effects and accelerate cognitive/motor recovery, though no direct RCT data exist for the combination.

Cerebrolysin
30 mL IV daily × 10-14 days
Semax
300-600 mcg intranasal BID × 10-14 days
Timing
Concurrent during acute recovery phase
Primary benefit
Enhanced neuroprotection, accelerated motor/cognitive recovery post-stroke or TBI
+ BPC-157
Multi-pathway
View BPC-157

Cerebrolysin provides CNS-specific neurotrophic support (BDNF, NGF pathways), while BPC-157 offers systemic tissue repair via angiogenesis (VEGF upregulation) and anti-inflammatory effects. In traumatic brain injury or stroke, Cerebrolysin addresses neuronal survival and synaptic plasticity, whereas BPC-157 may enhance vascular repair and blood-brain barrier integrity. The combination targets both neuronal and vascular compartments of brain injury, though clinical validation is lacking.

Cerebrolysin
30-50 mL IV daily × 14 days
BPC-157
250-500 mcg SQ daily × 14-28 days
Timing
Initiate both within 24-48 hrs of injury
Primary benefit
Dual neuronal + vascular repair in TBI or stroke; accelerated functional recovery
Vilon
+ Epitalon
Moderate
View Epitalon

Both are Khavinson bioregulators targeting aging pathways. Epitalon (Ala-Glu-Asp-Gly) acts on telomerase and pineal function; Vilon on immune differentiation and chromatin decondensation. Combined in Russian gerontological protocols for multi-system aging intervention. Lezhava et al. (2023) tested both on aged lymphocyte chromatin, showing distinct epigenetic effects. Complementary, not synergistic in strict pharmacological sense.

Vilon
Empirical — no standard
Epitalon
Empirical — often 10 mg cycles
Frequency
Sequential or concurrent (literature ambiguous)
Primary benefit
Multi-system aging modulation (immune + pineal/circadian)
+ Thymalin
Weak
View Thymalin

Thymalin is the parent polypeptide complex from which Vilon was isolated. Both target immune differentiation, but Thymalin is a complex mixture (multiple peptides), whereas Vilon is a purified dipeptide. Morozov & Khavinson (1997) described Vilon as a synthetic successor designed to replicate Thymalin's immunomodulatory effects with greater specificity. Redundant in practice; no published combination studies.

Vilon
No standard
Thymalin
10–100 mg IM (polypeptide complex)
Primary benefit
Redundant — both target T-cell differentiation