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Home / Encyclopedia / GLP-1 & Weight / Cagrilintide
MONOGRAPH No. 032
EVIDENCE BASEStrong
TYPE
Amylin analogue
MW
~3.8 kDa
CAS
Not assigned
EU STATUS
Not approved · Research
WADA
Not listed
MIN PURITY
≥98% HPLC
⚖ GLP-1 & Weight

Cagrilintide — EU research guide.

Cagrilintide is a long-acting amylin analogue developed by Novo Nordisk, designed for once-weekly dosing. In combination with semaglutide (CagriSema), it has shown up to 22% weight loss in Phase 3 trials.

Last reviewed:

What is Cagrilintide?

Cagrilintide activates amylin receptors (CALCR + RAMPs) to reduce appetite, slow gastric emptying and suppress glucagon — mechanisms complementary to GLP-1 receptor agonism. It is not a GLP-1 analogue. Its half-life of ~7 days supports once-weekly administration.

What does the research show?

In the REDEFINE 1 Phase 3 trial (CagriSema 2.4mg semaglutide + 2.4mg cagrilintide), mean weight reduction reached ~22.7% at 68 weeks in people with obesity. Standalone cagrilintide produces modest weight loss (~8–10%); the combination is the primary clinical interest. Not yet EMA-approved as of mid-2026.

EU legal status

Not approved in the EU. Available from research suppliers as a laboratory peptide for mechanistic amylin-receptor research.

Investigational compound. Not EMA/FDA-approved as a standalone drug. No human use outside authorized clinical trials. This is a research compound, not a medication.
✓ PeptideCompare tracks cagrilintide from EU research vendors with COA documentation.
EVIDENCE SUMMARY
STRONG
Weight reduction (monotherapy) — A 26-week, placebo- and active-controlled phase 2 trial (706 adults) showed cagrilintide 4.5 mg produced 10.8% mean weight loss versus 3.0% with placebo, outperforming liraglutide 3.0 mg head-to-head.

Molecular information

Molecular formula
C194H312N54O59S2
Molecular weight
4409.07 g/mol
CAS number
1415456-99-3
Molecular data verified via PubChem.

Pharmacokinetics

Half-life (t½)
≈ 7 days
Source: Lau et al., Lancet 2021 — human t½ ≈7 days (168 h) supports once-weekly dosing; phase 2 monotherapy dose-finding trial (706 adults).

Potency retained over time

Each line is one storage condition: it starts at 100% and declines as potency is lost. Above the dotted 80% line the material is considered reliable — hover the chart for exact values.

Freezer −20 °C
36+ mo
Stable · >95% potency
Fridge 4 °C
5-7 mo
In use · post-recon
Room 20 °C
3-4 wks
Limited · moderate loss
Warm 37 °C+
2-3 days
Poor · rapid loss

⚠ Estimates modelled per component from molecular properties (chain length, cyclisation, oxidation- and deamidation-sensitive residues, light sensitivity). Indicative only — not lab-measured per batch.

Cagrilintide across EU suppliers

COA-verified EU vendors · Updated monthly

Frequently asked questions

What is Cagrilintide?

Cagrilintide is an amylin analog that activates amylin receptors (CALCR with RAMPs) to reduce appetite, slow gastric emptying and suppress glucagon. It is not a GLP-1 analog, and its roughly 7-day half-life supports once-weekly dosing.

What does the research show?

In the REDEFINE 1 Phase 3 trial the CagriSema combination (2.4 mg semaglutide plus 2.4 mg cagrilintide) reached about 22.7% mean weight reduction at 68 weeks in people with obesity, while standalone cagrilintide produces more modest weight loss of roughly 8 to 10%.

How is cagrilintide different from GLP-1 drugs?

It works through amylin receptors rather than the GLP-1 receptor, a complementary mechanism, which is why it is primarily studied in combination with a GLP-1 agonist.

What is CagriSema?

CagriSema is the combination of cagrilintide with semaglutide, which is the primary clinical interest and reached about 22.7% weight reduction in the REDEFINE 1 trial.

Is cagrilintide approved in the EU?

No. It is an investigational compound not yet EMA-approved as of mid-2026, available from research suppliers for laboratory amylin-receptor research.

Is cagrilintide banned in sport?

It is not currently on the WADA prohibited list.

References

  1. Phase 2, 26-week, placebo- and active-controlled dose-finding trial of cagrilintide monotherapy for obesity, including a head-to-head liraglutide comparator arm. Lau DCW, et al. Lancet. 2021;398(10307):2160–2172. DOI

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