Cyclizine Lactate

證據等級: L5

預測適應症: 0 個

Cyclizine Lactate: Repurposing Evaluation — No Predictions Available

One-Sentence Summary

Cyclizine Lactate is an antihistamine/antiemetic agent; original indication data was not retrieved from the current Evidence Pack. The TxGNN model returned no predicted new indications for this drug at the time of query (2026-04-20). Due to the absence of predictions, regulatory records, and safety data, a full repurposing evaluation cannot be completed at this stage.

Quick Overview

Item	Content
Original Indication	Not available (no regulatory records found)
Predicted New Indication	None — TxGNN returned no predictions
TxGNN Prediction Score	N/A
Evidence Level	L5 (insufficient — no predictions, no supporting studies retrieved)
New Zealand Market Status	✗ Not marketed
Number of Authorizations	0
Recommended Decision	Hold

Why is This Prediction Reasonable?

No TxGNN predictions were returned for Cyclizine Lactate in this evidence pack, so a mechanistic bridge between an original and new indication cannot be constructed at this time.

Detailed mechanism of action data is also not available in the current pack (DrugBank ID was not resolved, and MOA is marked as a data gap). Based on published pharmacological literature, Cyclizine Lactate belongs to the piperazine antihistamine class and is primarily used for nausea, vomiting, and motion sickness via H₁-receptor antagonism and central anticholinergic activity — however, these observations are drawn from external knowledge, not from verified Evidence Pack fields, and should be confirmed before proceeding.

Until TxGNN scores and MOA data are confirmed through a complete data pipeline run, no repurposing hypothesis can be evaluated.

Clinical Trial Evidence

Currently no related clinical trials registered (no predicted indication available to scope a trial search).

Literature Evidence

Currently no related literature available (no predicted indication available to scope a literature search).

New Zealand Market Information

Cyclizine Lactate has no registered authorizations in New Zealand. No license records, dosage forms, or approved indication texts were returned by the TFDA/Medsafe query.

Safety Considerations

Please refer to the package insert for safety information.

All safety fields (key warnings, contraindications, drug–drug interactions) returned no data or were flagged as data gaps. The DDI query returned not_found. The TFDA package insert query reported 1 result but content was not parsed into the evidence pack — remediation is required before any safety assessment can proceed.

Conclusion and Next Steps

Decision: Hold

Rationale: The evidence pack is critically incomplete — there are no TxGNN-predicted indications, no safety data, and no New Zealand market records — making it impossible to evaluate any repurposing hypothesis or assess benefit–risk at this stage.

To proceed, the following is needed:

[Blocking — DG001] Retrieve and parse the TFDA/Medsafe package insert PDF to extract warnings, contraindications, and approved indications; this is required before any safety screening can occur.
[High — DG002] Resolve the DrugBank ID for Cyclizine Lactate and retrieve the confirmed mechanism of action (MOA); required for mechanistic plausibility analysis.
[Pipeline] Re-run the TxGNN prediction pipeline for this drug to obtain disease scores; the current predicted_indications array is empty, which may indicate a data ingestion or mapping failure rather than a true absence of signal.
[Verification] Confirm whether the 1 result returned by the tfda_package_insert query (query log ID 4) contains usable content, and ingest it into the evidence pack fields before re-evaluation.
Disclaimer

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