Telmisartan

證據等級: L5

預測適應症: 10 個

Telmisartan: From Hypertension to Prinzmetal Angina

One-Sentence Summary

Telmisartan is an angiotensin II receptor blocker (ARB) established for the treatment of hypertension. The TxGNN model’s top-ranked prediction in this Evidence Pack is Prinzmetal angina, with a prediction score of 99.98% — but currently zero clinical trials and zero publications support this specific indication.

Note: original_indications and Danish market data were empty in this Evidence Pack. “Hypertension” is stated based on established pharmacological knowledge of telmisartan (ARB class), not extracted from the pack.

Quick Overview

Item	Content
Original Indication	Hypertension (general drug-class knowledge; not present in Evidence Pack)
Predicted New Indication	Prinzmetal angina
TxGNN Prediction Score	99.98%
Evidence Level	L5
Denmark Market Status	Not marketed (未上市)
Number of Marketing Authorisations	0
Recommended Decision	Hold

Why is This Prediction Reasonable?

Currently, detailed mechanism of action (MOA) data is not available in this Evidence Pack (flagged as a High-severity data gap, DG002). Based on known pharmacology, telmisartan is an angiotensin II type 1 (AT1) receptor blocker that lowers blood pressure by inhibiting the renin-angiotensin-aldosterone system (RAAS); it also has partial PPAR-γ agonist activity.

Prinzmetal (variant) angina is caused primarily by focal coronary artery vasospasm, and standard treatment relies on calcium channel blockers and nitrates — agents that directly relax vascular smooth muscle. Telmisartan’s RAAS-inhibition/antihypertensive mechanism has no established direct link to the pathophysiology of coronary vasospasm, so the mechanistic rationale for this specific prediction is weak.

This appears to be a high-confidence TxGNN knowledge-graph association rather than a mechanistically or clinically substantiated signal: no clinical trials, no ICTRP-registered trials, and no PubMed literature were found for telmisartan in Prinzmetal angina across any of the queries in this pack.

Clinical Trial Evidence

Currently no related clinical trials registered.

Literature Evidence

Currently no related literature available.

Denmark Market Information

Telmisartan currently has no marketing authorisations on record in this Evidence Pack (market status: not marketed; total authorisations: 0). No national (Lægemiddelstyrelsen) or centralised (EMA) licence entries were available to tabulate.

Safety Considerations

Please refer to the approved Summary of Product Characteristics (SmPC) for safety information. (Key warnings, contraindications, and drug-drug interaction data were not available in this Evidence Pack — DG001, flagged Blocking severity, notes that TFDA/label warning data still needs to be retrieved before a safety pre-assessment can proceed.)

Conclusion and Next Steps

Decision: Hold

Rationale: The top-ranked prediction (Prinzmetal angina) has no clinical trial or literature evidence and only a weak mechanistic rationale, meeting criteria for evidence level L5 (model prediction only). Combined with the absence of Danish marketing authorisation and unresolved safety data gaps, this candidate does not currently support further evaluation.

To proceed, the following is needed:

Telmisartan MOA and product labeling data (DG002)
TFDA/SmPC warnings, contraindications, and DDI data (DG001 — Blocking)
Any preclinical or mechanistic studies specifically linking ARBs to coronary vasospasm
Confirmation of Danish market/authorisation status

Additional note: This Evidence Pack contains 10 ranked candidate indications for telmisartan. Several lower-ranked candidates have materially stronger evidence than the top-ranked one above — notably cerebral artery occlusion (rank 7–8, TxGNN score 99.95%, Evidence Level L2, recommendation Proceed with Guardrails), supported by a completed Phase 4 RCT (NCT01075698, n=1228) and 17 preclinical publications on neuroprotective mechanisms. If a repurposing candidate is needed for further action, that indication is a substantially better-evidenced starting point than Prinzmetal angina and may warrant its own dedicated evaluation report.

Disclaimer

This content is for research purposes only and does not constitute medical advice. Clinical validation is required before any clinical application.