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  • Latest Study Finds...

Latest Study Finds Fixed-Dose Combination of Paracetamol, Phenylephrine, and Chlorpheniramine Maleate Effective and Safe for Common Cold in Indian Adults

Written By : Dr. Garima Soni Published On 2024-12-25T11:34:15+05:30  |  Updated On 5 April 2025 12:27 PM IST
Latest Study Finds Fixed-Dose Combination of Paracetamol, Phenylephrine, and Chlorpheniramine Maleate Effective and Safe for Common Cold in Indian Adults
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The fixed-dose combination (FDC) of Paracetamol 500 mg, Phenylephrine 10 mg, and Chlorpheniramine maleate 2 mg was effective and safe for the symptomatic treatment of common cold in adults, according to a recent study published in the Journal of The Association of Physicians of India.

Common cold is an acute and self-limiting upper respiratory tract infection, causing symptoms like fever, nasal congestion, sore throat, and coughing. It generally affects adults 4-6 times annually, with symptoms lasting 5-7 days, and rhinovirus is the most common cause. Despite the viral nature of the infection, antibiotics are often over-prescribed, contributing to antibiotic resistance. Paracetamol, Phenylephrine, and Chlorpheniramine maleate are commonly used to treat symptoms, but limited research exists on the efficacy and safety of their FDC.

This led the researchers to conduct a study evaluating the efficacy and safety of FDC of Paracetamol 500 mg, Phenylephrine 10 mg, and Chlorpheniramine maleate 2 mg for treating common cold symptoms in Indian adults.

Researchers enrolled 420 patients, aged 18 to 65 years, to assess the efficacy and safety of the FDC of the investigational product. Of these, 318 patients completed the study. The FDC was administered as one tablet orally three times, every 8-hourly, for 5 days. The patients visited the clinical trial site on Day 1 (baseline), Day 3 (re-evaluation), and Day 5 (conclusion) for evaluation of efficacy and safety. The efficacy was measured using the total symptom score (TSS), while safety was evaluated based on adverse events reported by the patients.

Key findings from the study, are detailed below:

Efficacy assessment:

  • The Total Symptom Score (TSS) decreased significantly from 9.016 at baseline to 5.011 on the second visit and 0.495 on the third, reflecting a 44.42% reduction by the second visit and 94.51% by the third visit over five days.
  • At baseline, 315 patients presented with severe symptoms, while three exhibited moderate symptoms. By the third visit, none had severe symptoms, two had moderate, 48 had mild, and 268 (84.276%) were symptom-free, showing the treatment's efficacy over five days. (Fig. 1A and B)

Fig. 1A and B: (A) Mean TSS on visit first, second, and third; (B) Percentage reduction in the mean TSS on visit second and third compared to baseline

Safety assessment:

  • During the study, only 13 patients experienced mild adverse effects. Hyperacidity was reported by four patients, and drowsiness by nine patients likely due to the presence of Paracetamol and Chlorpheniramine maleate in the treatment. All adverse events were mild, non-serious, and did not require medical intervention.

The researchers concluded that the study provides substantial evidence supporting the efficacy and safety of the FDC containing Paracetamol 500 mg, Phenylephrine 10 mg, and Chlorpheniramine maleate 2 mg for managing common cold symptoms in Indian adults. The findings demonstrated a significant reduction in TSS and a high percentage of patients achieving complete relief.

They recommended further randomised clinical trials with a larger sample size to evaluate the treatment's efficacy and potential adverse effects in Indian adults suffering from the common cold.

Dr Mayuresh Dilip Kiran, (MD Pharmacology) and lead author of the study said, "The results of our study confirm the efficacy and safety of the fixed-dose combination of Paracetamol, Phenylephrine, and Chlorpheniramine maleate in providing rapid relief from common cold symptoms. With over 84% of patients achieving complete symptom resolution by the fifth day, this combination therapy offers a reliable and well-tolerated option for managing a condition that significantly impacts daily productivity and quality of life".





References:

  1. Kiran MD, Waghambare PD, Pawaskar L, Singh A. Fixed-dose Combination Therapy of Paracetamol, Phenylephrine, and Chlorpheniramine Maleate for the Symptomatic Treatment of Common Cold in Indian Adults. J Assoc Physicians India. 2024 Nov;72(11):45-48. doi: 10.59556/japi.72.0729. PMID: 39563116.
  2. Worrall G. Common cold. Can Fam Physician. 2011 Nov;57(11):1289-90. PMID: 22084460; PMCID: PMC3215607.
common coldfixed dose combinationparacetamolphenylephrinechlorpheniramine maleatejapiChlorpheniramine Maleate+Paracetamol+PhenylephrineCentaur Pharmaceuticalssinarestcoughfever
Dr. Garima Soni
Dr. Garima Soni

    BDS, MDS(orthodontics)

    Dr. Garima Soni holds a BDS (Bachelor of Dental Surgery) from Government Dental College, Raipur, Chhattisgarh, and an MDS (Master of Dental Surgery) specializing in Orthodontics and Dentofacial Orthopedics from Maitri College of Dentistry and Research Centre. At medical dialogues she focuses on dental news and dental and medical fact checks against medical/dental mis/disinformation

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