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The efficacy and safety of Andrographis paniculata extract for the treatment of acute nonspecific upper respiratory tract infections: a randomized double-blind placebo controlled trial

The efficacy and safety of Andrographis paniculata extract for the treatment of acute nonspecific upper respiratory tract infections: a randomized double-blind placebo controlled trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20170329002
Enrollment
Unknown
Registered
2017-03-29
Start date
2018-01-16
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

Acute nonspecific upper respiratory tract infections with one or more symptoms such as fever&#44

Interventions

Patients will receive a physical and laboratory examination &#45
Treatment 1. Patients will receive Andrographis paniculata extract capsule (andrographolide ≥ 20 mg/cap). Take 1 capsule aftermeal 3 times a day (breakfast&#44
lunch and dinner) for four days
a total of 12 capsules. 2. Patients will receive paracetamol tablet (paracetamol 500 mg/tab) for symptom relief if needed and record the tablet taken. &#45
Patients will receive self&#45
assessment forms (Case report form for patiens). To record daily symptoms from 1&#45
3 days&#44
the onset of symptoms assessment on Day 1 was described. Day 2 &#45
assessment with VAS and record in case report form for patients &#45
Patients record adverse reactions and time. (if symptoms occur) &#45
Patients recorded use of paracetamol. (if use) Day 4&#45
7 &#45
The patient returns to the doctor for evaluation of treatment. &#45
Investigators collected case report form from the patients. Day 7 and Day 14&#45
30 &#45
Investigators telephone for second follow&#45
up and interview the satisfactory of the assigned drug and the safety. the patient may return to the clinic in stead of telephone if they wanted to ,the protocol used in the first arm was used similar
Experimental Drug,Placebo Comparator Drug
Day 1 &#45

Sponsors

Department of Thai Traditional and Alternative Medicine
Lead Sponsor
the Medical Association of Thailand under the royal patronage
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Adults aged 18 to 60 years old who attended the OPD clinics within 72 hours after the onset of URI symptoms and were diagnosed as acute NS-URI which had one or more symptoms such as fever, sore throat, nasal congestion, dry infrequent cough and had modified Centor Score of 2 or less. The patients could take the assigned medication and returned for the first follow up at days 4-7. They would be able to receive phone call for interviewing the illness and symptoms in the second follow-up at days 14-30 and signed the informed consent.

Exclusion criteria

Exclusion criteria: 1.Patients who have been diagnosed is an upper respiratory tract caused by bacterial infection. 1) High fever. (>38.3 °C) 2) Pustules found on the tonsils. 3) Lymph nodes in the neck> 1 cm or feeling sore from the neck at one side by palpation. 2.There is evidence that severe upper respiratory infections such as acute sinusitis, allergic rhinitis, influenza. 3.Shortness of breath / difficulty, difficulty speaking. 4.Has nausea, vomiting, diarrhea, hemorrhage or other severe symptoms. 5.Modified Centor score> 2. (Please specify ............) ุ6.Has a history of rheumatic heart disease or nephritis, because it was attached Streptococcus group A. 7.Has a history of allergic Andrographis paniculata extract. 8.Have chronic liver or kidney disease from history of treatment and / or blood test results. 9. Pregnant or breastfeeding women. 10.Blood clotting medication is used. (Clopidogrel, warfarin, aspirin) 11.Within 48 hours after the onset of symptoms before seeing a doctor. Patient records that. Get antibiotics like amoxicillin, antibiotics, steroids or steroids, NSAIDs or other herbs. 12.The recipient immunosuppressant agents or chemotherapy. 13.The recipient organ transplantation.

Design outcomes

Primary

MeasureTime frame
Therapeutic efficacy of Andrographis paniculata extract in acute NS-URI Day1 And Days 4-7 Visual Analog Scale (VAS) by the patient,Rescue medicine for symptom relief in URI day1 to day4 number of paracetamol used in each arm,patient satisfaction of the assigned treatment day 7-14 interview

Secondary

MeasureTime frame
Safety of Andrographis paniculata extract treatment of acute non specific upper respiratory Day7 and Day 14-30 Adverse event; AEs

Contacts

Public ContactMonthaka Teerachaisakul

Director of Thai Traditional Medicine Research Institute

monthaka.t@gmail.com02-224-3265

Outcome results

None listed

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