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ramelteon delirium prevention trial

Ramelteon for prevention of postoperative delirium in delirium high-risk cancer patients.: A randomized, double-blind, placebo-controlled multi-center trial, JORTC-PON02/J-SUPPORT2103/NCCH2103. - RAMP trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs031210673
Enrollment
766
Registered
2022-04-01
Start date
2022-04-08
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Delirium Delirium, postoperative delirium, malignant tumor

Interventions

Ramelteon 8mg/tablet or Placebo 1 capsule per night orally or via nasogastric tube Cointervention: multicomponent intervention to prevent delirium defined as below Address cognitive impairment and/or
ramelteon
ramelteon, multicomponent intervention

Sponsors

Matsuoka Hiromichi
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Pathologically confirmed and/or clinically suspected malignant tumor 2) Aged 65 or older at enrollment 3) Undergoing surgery under general anesthesia and postoperative hospitalization for 5 days or over 4) Preoperative ability to take medication orally or via nasogastric tube and postoperative plan to take medication orally or via nausal gastric tube from postoperative day 2 or earlier. 5) Written informed consent from patient or written informed consent from witness, who is not working in the present study, with patient's oral consent.

Exclusion criteria

Exclusion criteria: 1) Diagnosed as delirium with DSM-5 at enrollment 2) Allergy to ramelteon 3) Sevea liver dysfunction according to criteria of total bil > 2.25 mg/dL, AST > 90 U/L, ALT > 126 U/L for male, or ALT > 69 U/L for female 4) History of participation to clinical trials within 4 weeks including a day of enrollment except for the completed protocol treatment and in the observation period 5) History of medication of ramelteon or flurvoxamine within 2 weeks including a day of enrollment 6) History of medication of suvorexant or lemborexant 2 weeks including a day of enrollment 7) History of epilepsy, Parkinson's dosease, or dementia with lewy bodies 8) Lactose intolerance 9) Planned surgical procesure including central nervous system or intracranial region. 10) History of drug or alcohol use disorder or daily alcohol intake over 60g or alcohol-related disease within 5 years including a day of enrollment 11) History of participation to the present study 12) Comorbidity of moderate to severe dementia according to MMSE-J < 21 13) Severe visual or auditory handicap, or illiteracy 14) ECOG PS 4 at enrolment 15) Judgement as inadequate by principal investigator or other investigators

Design outcomes

Primary

MeasureTime frame
Proportion of delirium diagnosis by psycho-oncologist with DSM-5 within 5 days after surgery among patients aged 75 years or older

Secondary

MeasureTime frame
1. Proportion of delirium diagnosis by psycho-oncologist with DSM-5 within 5 days of surgery among patients aged 65 years or older Outcomes below among patients aged 65 years or older or aged 75 years or older, respectively 2. Proportion of delirium diagnosis by psycho-oncologist with DSM-5 within 5 days of surgery except for delirium within 2 hours after surgery 3. Proportion of delirium assessed with Nu-DESC within 5 days of surgery 4. Severity of delirium assessed with Nu-DESC and DRS-R-98 within 5 days of surgery 5. Proportion of severe delirium diagnosis by psycho-oncologist with DSM-5 and DRS-R-98 within 5 days of surgery 6. Duration (days) of delirium by DSM-5 7. Direct cost of hospitalization after surgery to discharge 8. Duration (days) of hospitalization after surgery 9. Proportion of antipsychotics use within 5 days of surgery 10. Proportion of discontinuation of benzodiazepine receptor agonists at one day before surgery 11. Proportion of falls, self-removal of any tubes including drip infusion and self-extubation, and physical restraint within 5 days of surgery 12. Serum concentration of C-reactive protein at postoperative day1 13. Proportion of postoperative complications according to CD classification grade 2 or worse within 5 days of surgery 14. Proportion of postoperative complications according to CD classification grade 2 or worse within 90 days of surgery 15. Overall survival within 30 days of surgery 16. Overall survival within 90 days of surgery 17. Recurrence-free survival within 90 days of surgery 18. Patient's satisfaction and subjective symptoms at postoperative day5 19. Proportion of discharge to care facility insted of home 20. Stratified analisis by PSQI cutoff score of 6 at enrollment for proportion of delirium diagnosis by psycho-oncologist with DSM-5 within 5 days of surgery

Contacts

Public ContactRyoichi Sadahiro

National Cancer Center Japan

rsadahir@ncc.go.jp+81-3-3542-2511

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026