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Indian J Palliat Care. 2019 Oct-Dec;25(4):508-513. doi: 10.4103/IJPC.IJPC_85_19.

Effect of Perioperative Pregabalin on Incidence of Chronic Postmastectomy Pain Syndrome: A Prospective Randomized Placebo-Controlled Pilot Study.

Author information

1
Department of Anaesthesia, Superspeciality Cancer Institute and Hospital, Lucknow, Uttar Pradesh, India.
2
Department of Onco-Anaesthesiology and Palliative Medicine, Dr. Bhim Rao Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India.
3
Department of Surgical Oncology, Dr. Bhim Rao Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India.

Abstract

Background:

Breast cancer is the most common malignancy among women. Chronic pain after breast surgeries is a well-known entity and is mainly neuropathic in nature. The primary aim of this study was to assess the effect of pregabalin given as preventive analgesic on the incidence of chronic postmastectomy pain.

Methods:

A randomized control trial (RCT) was performed on 80 patients. Patients were allocated into two groups. Group 1 received pregabalin (Lyrica, Pfizer) 75 mg. BD starting from the morning of surgery and continued for 1 week. Group 2 received placebo capsules at identical time intervals. Patients were followed up for 3 months postoperatively. Incidence, severity, and location of chronic pain were recorded. The primary objective was to evaluate the effect of perioperative oral pregabalin on the incidence of chronic postmastectomy pain (at 3 months postoperatively).

Results:

Of the 80 patients enrolled, 71 patients completed the study and were assessed for final outcomes. Incidence of chronic pain was comparable in both groups, with 16 out of 35 patients in Group 1 (44.7%) and 20 out of 36 patients in Group 2 (55.6%) reported chronic pain (P = 0.407). There was no difference between the severity of chronic pain (numeric rating scale ≥ 4) in both groups (P = 0.307). Incidence of adverse effects was comparable in both groups.

Conclusion:

This RCT shows that perioperative pregabalin may not have a role in the prevention of chronic pain after breast surgeries.

KEYWORDS:

Chronic postmastectomy pain; pregabalin; preventive analgesia

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