Maprotiline
For an informed discussion with your doctor or pharmacist. This information collection is not a clinically validated interaction checker. Missing data do not establish safety. Do not change or stop prescribed medicines on the basis of this information. The findings apply to the specific conditions studied; laboratory and animal studies cannot be directly extrapolated to humans.
Active substance: Maprotiline
Examples of brand names: Ludiomil [DE; historical example]
ATC code: N06AA21
Main use (for orientation): Depression
Documented research summary
1975 animal study: maprotiline suppressed THC-induced muricidal behaviour. No conclusion about the safety/pharmacokinetics of co-administration in humans; older full-text version inaccessible.
Uncertainties and limitations
Does not establish safety for less-studied cannabinoids or untested formulations/doses.
Do not infer clinical dosage from preclinical effects or enzyme hypotheses.
Separately recorded findings
1 separately recorded finding. Each statement applies to its documented study context.
THC – laboratory and animal studies
Finding ID: B0328
Type of result: Preclinical
Observation: Suppression of THC-induced muricidal behaviour.
Mechanism: Behavioural pharmacology in a rat model.
Study type: Animal experiment; abstract
Context studied: 1975; no clinical dosing inference.
Clinical interpretation: Clinical significance undetermined
Limitations and uncertainties: One specific animal behavioural endpoint, not a general antipsychotic protective effect; full text inaccessible.
Original sources for this finding: [Behavior pharmacology of maprotiline, a new antidepressant]. [C_PR_1240830]
References and access status
[C_LABEL_D0104] Maprotilin-CT 50/75 mg Filmtabletten, Fachinformation
Original source / bibliographic reference
Authors: ratiopharm/manufacturer
Year: 2014
Source type: Historical German product information
Source access – 23 October 2026: Source destination was accessible when checked.
Bibliographic attribution or source identity cross-checked.
[C_PR_1240830] [Behavior pharmacology of maprotiline, a new antidepressant].
Original source / bibliographic reference
Authors: Ueki S, Fujiwara M, Inoue K, Kataoka Y, Ibii N.
Year: 1975
Source type: Primary source, abstract read
DOI: 10.1254/fpj.71.789
PMID: 1240830
Source access – 23 October 2026: Automated direct retrieval was restricted; this does not establish that the link is broken.
Bibliographic attribution or source identity cross-checked.
DOI – publisher access (access restrictions may apply)
Research as of 23 October 2026. Not all original full texts could be reviewed in full. Source accessibility and the strength of scientific evidence must be assessed separately. An accessible link does not establish medical approval; a bibliographic record with an abstract does not replace the original full text.
Drug search and explanation of the evidence · Guide: cannabinoids and medicines · Author and responsibility
Maprotiline and cannabinoids: documented findings, evidence, sources and data gaps. Research information for discussion with your doctor or pharmacist.
