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Preoperative use of Melatonin versus Pregabalin for Attenuation of Hemodynamic Stress Response to Endotracheal Intubation in Cancer Patients

Preoperative use of Melatonin versus Pregabalin for Attenuation of Hemodynamic Stress Response to Endotracheal Intubation in Cancer Patients

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
PACTR
Registry ID
PACTR202511691908001
Enrollment
96
Registered
2025-11-17
Start date
2023-11-11
Completion date
Unknown
Last updated
2026-09-14

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

Conditions

Cancer Circulatory System Anaesthesia

Interventions

Pregabalin
Melatonin
Placebo

Sponsors

Cairo University
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: • Female patients • Type of surgery; Abdominal hysterectomy • American Society of Anesthesiologists (ASA) physical status II, III. • Age = 18 and = 65 Years. • Body mass index (BMI): > 20 kg/m2 and < 35 kg/m2.

Exclusion criteria

Exclusion criteria: • Patient refusal. • Age 65 years • Body mass index (BMI) 35 kg/m2 • Known sensitivity or contraindication to drugs used in the study (pregabalin, melatonin, opioids). • History of psychological disorders and/or chronic pain, and/or sleep disorders. • Patients receiving medications that are considered to result in tolerance to opioids as those who are receiving medications for cancer pain (e.g. tramadol and hydromorphone). • Significant liver insufficiency (liver enzymes more than two folds or severe liver cirrhosis) or renal insufficiency (plasma creatinine more than 1.5 mg/dl). • Severe respiratory disorders (e.g. Chronic obstructive pulmonary disease, Bronchial asthma) or cardiac disorders (e.g. ischemic heart disease, regional motion wall abnormality, EF< 50%). • Anticipated difficult intubation, those requiring more than one attempt or more than 20 sec for laryngoscopy. • Uncontrolled diabetes or uncontrolled hypertension. • Physical status American Society of Anesthesiologists (ASA) physical status IV and Male patients.

Design outcomes

Primary

MeasureTime frame
Change in heart rate

Secondary

MeasureTime frame
Change in blood pressure ;Change in serum cortisol level ;Degree of postoperative sedation according to Ramsay scores;Postoperative nausea and vomiting (PONV);Incidence of adverse effects

Countries

Egypt

Contacts

Public ContactHossam ;Essam Ghoprial;Mahran

Professor ;Assistant Professor

hossam_zarif@yahoo.com;essammahran66@yahoo.com00201002412343;00201001538036

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026