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The effect of chemotherapy on muscle relaxant drugs in patients being operated for breast cancer

Comparison of onset and duration of neuromuscular block in post chemotherapy patients versus chemotherapy naive patients scheduled for breast cancer surgery - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/06/111519
Enrollment
150
Registered
2026-06-01
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-22

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

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: Chemotherapy: Patients who have undergone neoadjuvant chemotherapy lasting at least 12 weeks with the last dose falling within 2 months before surgery, shall receive a neuromuscular blo

Sponsors

Dr Shagun Bhatia Shah
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: ASA I-111 40-85 kg Post Neoadjuvant chemotherapy (taxanes: paclitaxel/docetaxel, anthracyclines: Adriamycin/epirubicin, and cyclophosphamide) Modified radical mastectomy

Exclusion criteria

Exclusion criteria: No consent Neuromuscular diseases (Myasthenia gravis, Duchenne muscular dystrophy, Guillain-Barre syndrome) Drugs affecting neuromuscular conduction (Aminoglycosides, tetracyclines, anticonvulsants)

Design outcomes

Primary

MeasureTime frame
Time taken for 100 percent suppression of single second twitch post neuromuscular blocking agent injection Timepoint: Measured at the time of disappearance of single second twitches on peripheral nerve stimulation 1 minute after injection of neuromuscular blocking agent

Secondary

MeasureTime frame
Amount of neuromuscular blocking agent required to facilitate endotracheal intubation Timepoint: Measured 1 minute after endotracheal intubation;Time for appearance of the first response to post-tetanic count (PTC) stimulation Timepoint: Measured at 3 minutes, 4 minutes, 5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, & 30 minutes after endotracheal intubation.;Time for appearance of the first response to train-of-four stimulation Timepoint: Measured at 5 minutes, 6 minutes, 7 minutes, 8 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, 30 minutes, 35 minutes, 40 minutes & 45 minutes after endotracheal intubation

Countries

India

Contacts

Public ContactDr Shagun Bhatia Shah

Rajiv Gandhi Cancer Institute and Research Centre, Sector 5, Rohini, Delhi

drshagun_2010@rediffmail.com09891769779

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Jun 29, 2026