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🧬Peptide Protocol Wiki

Peptides Similar to Eloralintide

Compare Eloralintide with related peptides and alternatives

Reviewed byDr. Research Team(MD (composite credential representing medical review team), PhD in Pharmacology)
📅Updated February 18, 2026
Unverified

📌TL;DR

  • 5 similar peptides identified
  • Cagrilintide: High - Both are long-acting amylin receptor agonists for obesity. Both are acylated amylin analogs with once-weekly subcutaneous dosing.
  • Petrelintide: High - Both are next-generation amylin receptor agonists developed for obesity treatment with once-weekly subcutaneous dosing.
Comparison chart of Eloralintide and similar peptides
Visual comparison of key characteristics

Quick Comparison

PeptideSimilarityKey Differences
Eloralintide (current)--
CagrilintideHigh - Both are long-acting amylin receptor agonists for obesity. Both are acylated amylin analogs with once-weekly subcutaneous dosing.Eloralintide is AMY1R-selective (12-fold over CTR) while cagrilintide is non-selective across amylin and calcitonin receptors. Preclinical data suggest eloralintide has better GI tolerability and quality of weight loss.
PetrelintideHigh - Both are next-generation amylin receptor agonists developed for obesity treatment with once-weekly subcutaneous dosing.Petrelintide (Novo Nordisk) showed 8.6% weight loss at 16 weeks in early data. Eloralintide demonstrated 20.1% at 48 weeks. Different selectivity profiles and pharmacokinetic properties.
TirzepatideModerate - Both target obesity through peptide-based mechanisms with once-weekly SC dosing. Eli Lilly develops both.Tirzepatide is a dual GLP-1/GIP agonist; eloralintide is an amylin agonist. Completely distinct receptor targets and mechanisms of action. Tirzepatide is FDA-approved; eloralintide is in Phase 3.
SemaglutideModerate - Both are injectable peptides for obesity with once-weekly dosing and significant weight loss efficacy.Semaglutide is a GLP-1 receptor agonist; eloralintide acts on amylin receptors. Different mechanism of action, adverse effect profiles, and regulatory status. Semaglutide is approved; eloralintide is Phase 3.
RetatrutideLow-Moderate - Both are Eli Lilly injectable peptides for obesity, but they target completely different receptor systems.Retatrutide is a triple agonist (GLP-1/GIP/glucagon); eloralintide is an amylin agonist. Retatrutide achieved up to 24% weight loss at 48 weeks in Phase 2. Different mechanisms and adverse effect profiles.

CagrilintideHigh - Both are long-acting amylin receptor agonists for obesity. Both are acylated amylin analogs with once-weekly subcutaneous dosing.

Differences

Eloralintide is AMY1R-selective (12-fold over CTR) while cagrilintide is non-selective across amylin and calcitonin receptors. Preclinical data suggest eloralintide has better GI tolerability and quality of weight loss.

Advantages

AMY1R selectivity may reduce nausea; preclinical evidence of preferential fat mass loss; Phase 2 shows up to 20.1% weight loss as monotherapy.

Disadvantages

Less advanced clinically than cagrilintide (which has Phase 3 data as CagriSema combination); no approved combination product pathway yet.

PetrelintideHigh - Both are next-generation amylin receptor agonists developed for obesity treatment with once-weekly subcutaneous dosing.

Differences

Petrelintide (Novo Nordisk) showed 8.6% weight loss at 16 weeks in early data. Eloralintide demonstrated 20.1% at 48 weeks. Different selectivity profiles and pharmacokinetic properties.

Advantages

More extensive published clinical data; higher peak weight loss demonstrated; published receptor selectivity characterization.

Disadvantages

Earlier in clinical development than petrelintide Phase 3 programs; direct comparison not available.

TirzepatideModerate - Both target obesity through peptide-based mechanisms with once-weekly SC dosing. Eli Lilly develops both.

Differences

Tirzepatide is a dual GLP-1/GIP agonist; eloralintide is an amylin agonist. Completely distinct receptor targets and mechanisms of action. Tirzepatide is FDA-approved; eloralintide is in Phase 3.

Advantages

Mechanistically distinct, enabling potential combination therapy. May offer weight loss through amylin pathway for non-responders to incretin therapy.

Disadvantages

Investigational vs approved; less extensive clinical data; lower peak weight loss demonstrated (20.1% vs ~22.5% for tirzepatide 15 mg).

SemaglutideModerate - Both are injectable peptides for obesity with once-weekly dosing and significant weight loss efficacy.

Differences

Semaglutide is a GLP-1 receptor agonist; eloralintide acts on amylin receptors. Different mechanism of action, adverse effect profiles, and regulatory status. Semaglutide is approved; eloralintide is Phase 3.

Advantages

Distinct mechanism offers combination potential. AMY1R selectivity may provide different tolerability profile.

Disadvantages

Investigational status; less extensive safety database; no cardiovascular outcome trial data.

RetatrutideLow-Moderate - Both are Eli Lilly injectable peptides for obesity, but they target completely different receptor systems.

Differences

Retatrutide is a triple agonist (GLP-1/GIP/glucagon); eloralintide is an amylin agonist. Retatrutide achieved up to 24% weight loss at 48 weeks in Phase 2. Different mechanisms and adverse effect profiles.

Advantages

Mechanistically complementary to incretin agonists. May be used in combination with GLP-1/GIP-based therapies.

Disadvantages

Lower peak weight loss than retatrutide in Phase 2; earlier in clinical development.

Similarities and differences between Eloralintide and related peptides
Overlap and distinctions between related compounds

Eloralintide occupies a distinct position in the anti-obesity landscape as the only AMY1R-selective amylin agonist in late-stage clinical development. Relevant comparisons include other amylin-based therapies targeting the same pathway and incretin-based therapies that represent the current standard of care.

Amylin Receptor Agonists#

Cagrilintide (Novo Nordisk)#

Cagrilintide is the most direct competitor to eloralintide. It is a long-acting amylin analog developed by Novo Nordisk, primarily as the amylin component of CagriSema (cagrilintide + semaglutide combination).

Key differences: Cagrilintide activates amylin and calcitonin receptors non-selectively, whereas eloralintide is 12-fold selective for AMY1R over CTR. In preclinical head-to-head comparisons, eloralintide induced less conditioned taste avoidance (a nausea proxy) and produced preferential fat mass loss with less lean mass depletion.

Clinical context: Cagrilintide monotherapy (2.4 mg weekly) achieved 11.5% weight loss at 68 weeks in Phase 3. Eloralintide 9 mg achieved 20.1% at 48 weeks in Phase 2. Direct comparison is not possible due to different trial designs, populations, and durations.

Petrelintide (Novo Nordisk)#

Petrelintide is another next-generation amylin analog from Novo Nordisk. Early clinical data showed 8.6% weight loss at 16 weeks. It is being developed for both monotherapy and combination use but has less published characterization than eloralintide.

Incretin-Based Therapies#

Tirzepatide (Eli Lilly)#

Tirzepatide is a dual GLP-1/GIP receptor agonist approved for type 2 diabetes (Mounjaro) and obesity (Zepbound). In the SURMOUNT-1 trial, tirzepatide 15 mg achieved approximately 22.5% weight loss at 72 weeks.

Complementary mechanism: Eli Lilly is developing eloralintide as a potential combination partner for tirzepatide. Because amylin and GLP-1/GIP act through distinct receptor pathways, combination therapy could produce additive or synergistic effects. A Phase 2 combination study is ongoing.

Semaglutide (Novo Nordisk)#

Semaglutide 2.4 mg (Wegovy) is the first GLP-1 agonist approved specifically for weight management, achieving approximately 15% weight loss at 68 weeks. Novo Nordisk's combination approach pairs semaglutide with cagrilintide (CagriSema).

Comparison Table#

FeatureEloralintideCagrilintideTirzepatideSemaglutide
ClassSelective amylin agonistNon-selective amylin agonistGLP-1/GIP agonistGLP-1 agonist
TargetAMY1R (selective)AMY1-3R + CTRGLP-1R + GIPRGLP-1R
RouteSC weeklySC weeklySC weeklySC weekly
Peak weight loss~20% (48 wk, Ph2)~11.5% (68 wk, Ph3 mono)~22.5% (72 wk, Ph3)~15% (68 wk, Ph3)
GI tolerabilityFavorable (selective)Moderate (non-selective)ModerateModerate
Body compositionPreferential fat loss (preclinical)Not characterizedUnder investigationUnder investigation
DeveloperEli LillyNovo NordiskEli LillyNovo Nordisk
StatusPhase 3Phase 3 (CagriSema)ApprovedApproved

Competitive Landscape#

The anti-obesity drug landscape is evolving rapidly. Eloralintide's competitive positioning rests on:

  1. Mechanistic differentiation: The only AMY1R-selective agonist, potentially offering a better tolerability-to-efficacy ratio than non-selective amylin analogs
  2. Combination potential: Designed to complement Lilly's existing tirzepatide franchise through amylin pathway activation
  3. Monotherapy efficacy: 20.1% weight loss approaches that of leading incretin therapies, offering an alternative for patients who do not tolerate or respond to GLP-1 agonists
  4. Body composition: Preclinical evidence of preferential fat loss could differentiate eloralintide if confirmed in human trials

Frequently Asked Questions About Eloralintide

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