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Targeting cannabinoid receptors may modulate CKD and AKI progression in animal modelsTargeting cannabinoid receptors may help manage kidney disease progression

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Key Takeaway
Interpret cannabinoid receptor targeting as an emerging, low-certainty therapeutic avenue for CKD and AKI, pending further research.

This mechanistic review examines the pharmacological actions of classic and emerging cannabinoid receptors on the renal system, focusing on their potential to modulate the progression of chronic kidney disease (CKD) and the pathogenesis of acute kidney injury (AKI). The review is based on evidence from animal models, as human data are not reported.

Key findings include that targeting cannabinoid receptors could modulate CKD progression and AKI pathogenesis. The review covers classic receptors (CB1, CB2) and emerging ones (GPR55, GPR18, GPR119), suggesting these as potential therapeutic targets for kidney disease.

However, the authors emphasize that the role of cannabinoid signaling in the kidney has not been sufficiently explored. This limitation, combined with reliance on animal models, means the evidence is of low certainty. No quantitative effect sizes, sample sizes, or safety data are reported.

For clinicians, these findings are hypothesis-generating rather than practice-changing. The potential for cannabinoid receptor modulation in kidney disease remains preclinical, and further investigation is needed before any clinical application can be considered.

How this fits prior evidence

This review extends prior coverage by proposing a novel mechanistic pathway for kidney disease modulation, complementing existing biomarkers and predictive tools. While prior items highlighted syndecan-1 as a severity marker and machine learning models for AKI prediction, this review offers a potential therapeutic angle, though only in animal models. It also contrasts with the clinical interventions previously covered, such as reduced-dose daratumumab for PGNMID and dietary fiber for CKD, by focusing on receptor targets rather than established treatments. The low certainty and limited exploration noted here align with the cautious framing of prior evidence, such as the lack of specificity for syndecan-1 and the need for prospective validation of ML models.

Living with chronic kidney disease or facing a sudden kidney injury is incredibly stressful. These conditions can change lives quickly, and finding new ways to manage their progression is a major goal for researchers looking to improve patient outcomes.

This review looked at how certain receptors in the body, known as cannabinoid receptors (including CB1, CB2, GPR55, GPR18, and GPR119), interact with the renal system. The findings suggest that targeting these specific receptors might help manage both chronic kidney disease and acute kidney injury.

It is important to note that this evidence comes from animal models rather than human clinical trials. Because the role of cannabinoid signaling has not been fully explored yet, the certainty of these results remains low. While these receptors are potential targets for future treatments, more research is needed to see how they work in humans.

What this means for you:
Targeting specific cannabinoid receptors may offer a way to manage kidney disease progression in future treatments.

Common questions

What are cannabinoid receptors?

Cannabinoid receptors are proteins in the body, such as CB1, CB2, GPR55, GPR18, and GPR119. These receptors interact with the renal system. Scientists are studying how targeting these specific receptors might influence the progression of chronic kidney disease and acute kidney injury.

Is this treatment available for humans yet?

No, this research is not yet a human treatment. The evidence currently comes from animal models. Because the role of cannabinoid signaling has not been sufficiently explored, these findings represent potential targets for future medicine rather than an immediate clinical option.

How does this help with kidney disease?

The research suggests that targeting specific cannabinoid receptors could modulate the progression of chronic kidney disease and the development of acute kidney injury. While promising, more study is needed to understand exactly how these signals affect the kidneys in humans.

Study Details

Study typeSystematic review
EvidenceLevel 1
PublishedJul 2026
View Original Abstract ↓
Chronic kidney disease (CKD) is a significant health problem around the world. It can progress towards end-stage renal disease (ESRD), in which the current therapeutic options are dialysis and kidney transplant, which have several challenges in therapy compliance and finding a donor. There is a crosstalk between high blood pressure, diabetes, and obesity, which are the leading causes of CKD. The increased prevalence of these conditions, plus the ageing population, highlights the importance of finding new therapies to prevent and stop the progression of CKD. At the cellular level, CKD is characterized by the progressive loss of podocytes in the kidney glomeruli, reducing their filtration capacity. Other hallmarks of CKD are also part of acute kidney injury (AKI) pathogenesis, and both conditions are interlinked. The renal system expresses cannabinoid receptor types 1 and 2 (CB1 and CB2, respectively). There is evidence in animal models that targeting the cannabinoid receptors could modulate the progression of CKD and AKI. The role of cannabinoid signalling has not been sufficiently explored; several receptors that are not fully characterized have emerged as putative cannabinoid receptors (i.e., GPR55, GPR18, and GPR119), and some have been implicated in kidney pathophysiology. Moreover, cannabinoid receptors also interact and/or regulate other receptors (e.g., AT1, TRPV1, and PPARγ). Thus, there are several open questions regarding the role that cannabinoid signalling may play in the context of kidney diseases. In this mechanistic review, we examined the pharmacological actions of classic and emerging cannabinoid receptors on the renal system to identify potential therapeutic targets for kidney disease.
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