Skip to content

Effect of post operative intravenous nefopam on opioid consumption after retrograde intrarenal surgery of renal stone (RIRS)

Effect of post operative intravenous nefopam on opioid consumption after RIRS

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20241201005
Enrollment
128
Registered
2024-12-01
Start date
2025-01-06
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Efficacy of Nefopam 20mg IV during RIRS then Nefopam 80mg IV drip in 24 hr in Opioid consumption difference Nefopam, RIRS, pain

Interventions

Nefopam 20 mg + NSS 100 ml iv drip in 30 min during cystoscope then Nefopam 80 mg + NSS 500 ml iv drip in 24 hr ,NSS 100 ml iv drip in 30 min during cystoscopy then NSS 500 ml iv drip in 24 hr
Active Comparator Drug,Placebo Comparator Drug

Sponsors

Division of Urological Surgery, Faculty of Medicine, Siriraj hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Patients diagnosed with kidney stones undergoing retrograde intrarenal surgery (RIRS) at Siriraj Hospital 2. Patients classified as American Society of Anesthesiologists (ASA) physical status class I, II, or III. 3. Patients capable of using patient-controlled analgesia (IV PCA) for postoperative pain management. 4. Patients with proficient Thai language skills, including reading and writing.

Exclusion criteria

Exclusion criteria: 1.Patients with a history of allergy to opioids or nefopam. 2.Patients with contraindications to nefopam use, including: 2.1 History of seizures or epilepsy. 2.2 Risk of acute urinary retention. 2.3 Acute angle-closure glaucoma. 2.4 Pregnancy (based on menstrual history) or breastfeeding. 2.5 Renal impairment with creatinine clearance < 20 ml/min. 2.6 Cirrhosis with Child-Pugh class C. 2.7 Use of monoamine oxidase inhibitors within 30 days. 2.8 History of long-term opioid use or chronic substance abuse prior to surgery. 3.Patients with abnormal kidney structures, such as horseshoe kidney or abnormal collecting systems. 4.Patients with a history of chronic pain or regular use of analgesic medications. 5.Patients with incomplete or missing data required for the study.

Design outcomes

Primary

MeasureTime frame
post-operative opioid consumption 3, 6, 24, 48 hr post-operative mg,post-operative pain every vital sign measuring point, 24 and 48 hr post-operative visual analog scale

Secondary

MeasureTime frame
post-operative pain every vital sign measuring point, 24 and 48 hr post-operative visual analog scale,length of stay during admission day,complication during admission time

Countries

Thailand

Contacts

Public ContactEkkarin Chotikawanich

Mahidol University

ekkarinc@yahoo.com024198010

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026