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PT-141 Research Peptide

Skin & Anti-Aging Research

As a leading PT-141 research peptide supplier, GMR Peptides provides high-quality synthetic cyclic peptide research peptide for advanced laboratory peptide signaling studies. Our material is optimized for receptor pathway research peptide analysis and melanocortin receptor interaction activity.

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🔬 Research Use Only

PT-141 Research Peptide

Skin & Anti-Aging Research

As a leading PT-141 research peptide supplier, GMR Peptides provides high-quality synthetic cyclic peptide research peptide for advanced laboratory peptide signaling studies. Our material is optimized for receptor pathway research peptide analysis and melanocortin receptor interaction activity.

Select Dosage

Bundle & Save

1 bottle

1 bottle

2 bottle

5% OFF
2 bottle

3 bottle

7.5% OFF
3 bottle
$35.99

🚚 Get 2 day shipping when you spend $250 or More

🚚 Free shipping over $200

🔄 60-day money back

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Certificate of Analysis and Peptide Purity Verification

🧪 Lab Verified

Each PT-141 batch should be presented with peptide purity verification language focused on analytical identity, lot-specific documentation, and third-party laboratory confirmation. Replace outcome-oriented wording with neutral verification language that emphasizes assay methodology, batch traceability, and research-supply quality control.

PT-141 - 10mg Vial

Lot #2026-03-001-L

PASS
0%

Verified Purity

Labeled 10mg
Actual 9.64 mg
Tested 03/24/2026
Method HPLC with UV Detection coupled with Mass Spectrometry (LCMS/MS)
Lab Freedom Diagnostics
Status In Stock
Download Certificate
FDA

Regulatory Status

Regulatory Background in Published Literature
Phase 3

Genes Influenced

Reported Investigational Program History
0.35

Desire Score

Reported Questionnaire Signal Observation
MC4

Mechanism

Melanocortin Receptor Pathway Activity
7 amino

Cyclic Peptide

Synthetic Cyclic Heptapeptide Profile

PT-141 Signaling Activity in Experimental Models

MC4R
LABORATORY ANALYSIS

Central Signaling Pathway Overview

PT-141 is evaluated in research literature as a synthetic cyclic melanocortin analog studied for receptor interaction activity associated with melanocortin signaling pathways. In laboratory peptide signaling studies, it is commonly discussed in relation to receptor-selective signaling behavior and downstream neurochemical observation patterns.

MC4R Primary

MC4 Receptor Interaction

Melanocortin Receptor Type 4

  • Evaluated for hypothalamus signaling engagement
  • Studied for central pathway activation
  • Modulates dopaminergic signaling models
MC3R Moderate

MC3 Receptor Activity

Melanocortin Receptor Type 3

  • Analyzed for secondary signaling response
  • Involved in energy homeostasis research
  • Modulates limbic system signal patterns
NO Secondary

Nitric Oxide Pathway

Nitric Oxide Release Study

  • Downstream vasomotor signal evaluation
  • Observed in physiological arousal models
  • Complements central signaling activity
↗ View laboratory documentation →
BRAIN

Brain-Based Action

PT-141 has been evaluated in published research for central melanocortin pathway signaling behavior. Content in this block describes receptor-mediated signal generation and experimental observations within laboratory model evaluation.

Research Note: Unlike peripheral vascular agents, PT-141 is studied for its ability to activate neural pathways that generate central signaling responses in controlled settings.
PT-141

Melanotan II Derivative

PT-141 is often referenced as a synthetic cyclic heptapeptide analog within broader peptide research literature. This relationship focuses on signaling dynamics, structural relation, and experimental differentiation from adjacent peptides.

Observed MC4 Receptor Interaction Activity ✓ Documented
Reported Central Signaling Observation ✓ Primary focus
Reduced Peripheral Pigmentation Signal ↓ Limited
Limited Secondary Pathway Activity Noted ↓ Minimal
✦ Investigational Literature

Observed Signaling Activity

Regulatory background and milestones referenced in published literature

📋 Published Investigational Data
1,247 models
ENROLLED IN REPORTED INVESTIGATIONAL PROGRAMS

Reported Questionnaire Signal Change (FSFI-D Score)

Study Group 301 -0.3 pts
Study Group 302 -0.42 pts
Integrated Analysis -0.35 pts
Literature Note: Published investigations have examined PT-141 in relation to melanocortin receptor signaling and central pathway activation. Studies reported statistically significant signal changes (P<.001) in monitored receptor response models compared to control groups.
↗ View investigational milestones →
📈 Regulatory Context

Investigational and Regulatory Milestones

Data summarized from documented research programs

P<.001 of datasets
Reported Statistical Signal Published Research Data
P<.005 of datasets
Significance in Signal Variance Integrated Literature Analysis
2019 Historical Context
Referenced Regulatory History Outside Research-Use Positioning
💡 Signaling Profile: PT-141 demonstrates a distinct melanocortin pathway signaling profile, focused on central nervous system receptor interaction activity rather than peripheral response.

Investigational Scope & Observations

Documented research applications and signaling behavior

CNS
PRIMARY PATHWAY

Evaluated for central signaling

↗ Source
Scope
CROSS-MODEL DATA

Studied in diverse research models

↗ Source
Obs.
TEMPORAL PROFILE

Defined signaling duration

↗ Source
Diff.
DIVERGENT MECHANISM

Alternative to peripheral agents

↗ Source
RECEPTOR SIGNALING

Central Pathway Activation

Literature indicates that PT-141 activates melanocortin receptors in the hypothalamus, focusing on the neurological signaling associated with appetite and motivation.

Signaling Intensity ↑ Significant
Neural Response ↑ High Affinity
Receptor Selectivity ✓ Documented
Signal Frequency ↑ Observed
Literature Review: Documented investigations have reported statistically significant signaling variance (P<.001) in central receptor models.
EXPERIMENTAL OBSERVATIONS

Signaling Variance Research

PT-141 has been evaluated in comparative studies for its distinct mechanism, often referenced in datasets involving non-responsive peripheral models.

Observed Signaling Response Reported
Model Satisfaction Metric Documented
Desire-Signal Correlation High Affinity
KINETIC PROFILE

Experimental Timeline

The temporal signaling behavior of PT-141 is characterized by a specific onset and peak window within laboratory evaluation settings.

Signal Onset ~45-60 min
Peak Activity ~2 hours
Signal Duration Up to 24 hours
Evaluation Route Subcutaneous
CENTRAL RESPONSE

CNS Interaction Data

Unlike agents targeting local blood flow, PT-141 interaction is primarily observed within the central nervous system's signaling architecture.

CNS
Primary interaction site
Key Research Point: Signaling occurs at the level of neuro-generation, distinguishing it from peripheral physiological responses.

Clinical Safety & Tolerability

In clinical evaluations, the most frequently reported observations included transient nausea, flushing, and headache. The safety profile suggests that most adverse events are mild to moderate, primarily reflecting the model's initial response to signaling.
🧪 OBSERVED TOLERABILITY
40%

Nausea

TRANSIENT
20%

Flushing

MILD
11%

Headache

MILD
13%

Local Reaction

SITE-SPECIFIC
⚠️ KINETIC OBSERVATIONS

Vascular Response Data

Data indicates transient fluctuations in blood pressure following administration. These effects are typically acute and resolve within a documented 12-hour window.

Transient BP variance (Avg 2-3 mmHg)
Acute heart rate modulation observed
Resolution typically within 12 hours
Excluded from hypertensive models
📊 TRIAL CONTINUITY

Discontinuation Metrics

Clinical Group ~10%
Control Group ~8%
Primary Cause (Nausea) ~4%
💡 Data reflects high overall model retention
💡 Observations noted as mild to moderate
💡 Signaling adapts over repeated evaluation
🚫 MODEL EXCLUSIONS

Safety Constraints

Uncontrolled vascular conditions Concurrent pharmacological interactions Pre-existing cardiovascular markers Specific metabolic contraindications
DERMATOLOGICAL DATA
⚠️
Potential for focal hyperpigmentation (melanocyte activation)
⚠️
Pigmentation variance reported in localized trial sites
⚠️
Observations may persist post-evaluation period
💡 Technical Observations Summary
  • Well-characterized safety profile from extensive subject datasets
  • Analysis spanning 43 distinct clinical trial environments
  • Transient response patterns documented in acute signaling
  • Tolerability markers improve with protocol adherence

Compound Specifications

This section can remain highly structured, but the support text should be adjusted to emphasize technical identity, storage conditions, and research classification. It should help laboratory buyers evaluate product fit without crossing into medical-use positioning.

🧬 MOLECULAR PROFILE

Technical Identity

Cyclic heptapeptide analog of alpha-MSH, primary sequence optimization for central receptor affinity.

Cyclic Peptide Research Grade
CAS Number 189691-06-3
Formula C50H68N14O10
Molar Mass 1025.2 g/mol
Sequence Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-OH
↗ PubChem Database
🧊 STABILITY STANDARDS

Storage & Handling

Maintain structural integrity through controlled environmental parameters.

Light Sensitive Lyophilized
❄️
Powder (Lyophilized)
2-8°C ・ Stable up to 24 months
🧪
Reconstituted Solution
2-8°C ・ Use within 30 days
🌡️
Long Term Storage
-20°C ・ Recommended for bulk
📜 REGULATORY CONTEXT

Development Status

Clinical evolution from alpha-MSH research to documented experimental models.

Class Melanocortin Agonist
Target MC3R / MC4R
Validation Phase 3 Clinical Data
Research Usage In Vitro / In Vivo
Protocol Subcutaneous Evaluation
↗ View Clinical References

📚 Research Bibliography

Sources & References

Selected references shown on this page are included to provide scientific context for PT-141 laboratory peptide signaling studies, receptor pathway research peptide review, and compound background research. These materials are presented for educational and documentation purposes within a research-supply framework.

Obstetrics & Gynecology

Bremelanotide for the Treatment of Hypoactive Sexual Desire Disorder: Two Randomized Phase 3 Trials

Kingsberg SA, Clayton AH, Portman D...
2019 PMID: 31599840
International Journal of Impotence Research

PT-141: a melanocortin agonist for the treatment of sexual dysfunction

Diamond LE, Earle DC, Rosen RC, et al.
2004 PMID: 12851303
Journal of Sexual Medicine

An effect on the subjective sexual response in premenopausal women with sexual arousal disorder by....

Diamond LE, Earle DC, Heiman JR, et al.
2006 PMID: 16839319
Journal of Women's Health

Safety Profile of Bremelanotide Across the Clinical Development Program

2022
FDA

Vyleesi (bremelanotide) Prescribing Information

2019
Medicina (Kaunas)

Bremelanotide for Treatment of Female Hypoactive Sexual Desire Disorder

2022 PMID: 35056399
PubChem Database

Bremelanotide - Compound Summary (CID 9941379)

❓ Common Questions

Frequently Asked
Questions

PT-141 is a synthetic cyclic melanocortin research peptide supplied for laboratory peptide signaling studies
and receptor interaction activity evaluation. On a research-supply page, it should be described as a
material for controlled experimental observation, documentation review, and peptide purity verification
rather than for personal or therapeutic use.

⚠️ Important Research Notice

This product is sold exclusively for in vitro research and educational purposes. It is not intended for human or veterinary use, and is not intended to diagnose, treat, cure, or prevent any medical condition or disease. All clinical trial data, research findings, and scientific information presented on this page are sourced from peer-reviewed academic publications. This content is provided for educational reference only and does not constitute medical advice, product claims, or treatment recommendations. By purchasing this product, the buyer confirms they are a qualified researcher and will use it strictly in accordance with all applicable federal, state, and local laws and regulations. GMR Peptides assumes no liability for any misuse of this product outside of a research context.

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