rethinkPeptides Search
Menu
Home / Research library
Study breakdown

BPC-157 Shows Antidepressant Effects in Two Standard Depression Models

RPEP-006212000Sikiric, P; Separovic, J; Buljat, G; Anic, T; Stancic-Rokotov, D; Mikus, D; Marovic, A; Prkacin, I; Duplancic, B; Zoricic, I; Aralica, G; Lovric-Bencic, M; Ziger, T; Perovic, D; Rotkvic, I; Mise, S; Hanzevacki, M; Hahn, V; Seiwerth, S; Turkovic, B; Grabarevic, Z; Petek, M; Rucman, R
Animal StudyPreliminary evidence
The takeaway

BPC-157 produced antidepressant-like effects in both Porsolt's forced swim test and chronic unpredictable stress models in rats, comparable to established antidepressants.

Two depression models

BPC-157 showed antidepressant activity in both acute (forced swim) and chronic (unpredictable stress) depression models, covering different aspects of depression

What the researchers found

BPC-157 showed antidepressant activity in both the Porsolt forced swim test (reduced immobility) and chronic unpredictable stress model in rats, with effects comparable to established antidepressants.

Why it matters

Depression affects over 300 million people globally, and current antidepressants have significant side effects and slow onset. A peptide with antidepressant properties and BPC-157's known safety profile could offer a new treatment approach.

How the study worked

Animal study in rats using two validated depression models: Porsolt's forced swim test (behavioral despair) and chronic unpredictable stress (anhedonia model). BPC-157 compared to standard antidepressant drugs.

What this study cannot tell us

Rat depression models are approximations of human depression. Behavioral endpoints don't confirm subjective mood improvement. The mechanism of antidepressant action was not determined.

How to read the evidence

Preliminary animal evidence from two validated depression models with appropriate reference drugs, but no human data.

When this study was published

Published in 2000. BPC-157's mood effects have been noted in subsequent studies, though clinical depression trials have not been conducted.

The bigger picture

BPC-157's antidepressant effect is consistent with its dopamine system modulation. Depression involves dopaminergic dysfunction, and BPC-157's ability to stabilize this system may underlie both its antidepressant and its neuroprotective effects.

Questions still open

  • Does BPC-157's antidepressant effect work through dopamine system modulation?
  • Could BPC-157 help treatment-resistant depression?
  • Does oral BPC-157 maintain antidepressant activity?

Common questions

Can BPC-157 help with depression?
In rat models of depression, BPC-157 reduced despair-like behavior and reversed stress-induced changes comparable to established antidepressants. However, animal depression models are limited, and human depression trials haven't been done.
How might a gut peptide affect mood?
BPC-157 interacts with the dopamine system, which is central to both gut function and mood regulation. Its ability to stabilize dopamine signaling may explain both its gastroprotective and its antidepressant effects.

Read the original research

The antidepressant effect of an antiulcer pentadecapeptide BPC 157 in Porsolt's test and chronic unpredictable stress in rats. A comparison with antidepressants.

Journal of physiology, Paris, 94(2), 99-104

View on PubMed ↗

Citation

Sikiric, P; Separovic, J; Buljat, G; Anic, T; Stancic-Rokotov, D; Mikus, D; Marovic, A; Prkacin, I; Duplancic, B; Zoricic, I; Aralica, G; Lovric-Bencic, M; Ziger, T; Perovic, D; Rotkvic, I; Mise, S; Hanzevacki, M; Hahn, V; Seiwerth, S; Turkovic, B; Grabarevic, Z; Petek, M; Rucman, R. (2000). The antidepressant effect of an antiulcer pentadecapeptide BPC 157 in Porsolt's test and chronic unpredictable stress in rats. A comparison with antidepressants.. Journal of physiology, Paris, 94(2), 99-104.