Polazi 2 mg is a polmacoxib capsule from Healing Pharma.
Each capsule contains 2 mg of polmacoxib.
Polmacoxib is a non-steroidal anti-inflammatory drug, or NSAID.
It belongs to the coxib group, which are selective COX-2 inhibitors.
Cobix 100 mg and etoricoxib are the better-known members of that group.
It is taken once a day, not several times a day.
Its approved Indian use is osteoarthritis of the hip or knee.
The approval specifies idiopathic, also called primary, osteoarthritis.
Primary osteoarthritis means wear and tear with no other cause.
It treats the pain and stiffness; it does not cure the joint damage.
It was developed in South Korea and is sold there as Acelex.
It is a new drug in India, approved subject to further study.
It is a prescription medicine, not a painkiller to self-buy.
HOW IT WORKS (MECHANISM OF ACTION)
The COX-2 action, step by step
An osteoarthritic joint releases arachidonic acid from cell membranes.
Cyclo-oxygenase enzymes convert that into prostaglandins.
Prostaglandins sensitise nerve endings, so the joint hurts more.
They also widen blood vessels, causing swelling and warmth.
COX-2 is the form switched on at sites of inflammation.
Polmacoxib inhibits COX-2 selectively.
Prostaglandin production in the joint falls.
Pain and stiffness reduce while the drug is taken.
Why selectivity matters, and what it does not fix
Enzyme
Where it mainly acts
Effect of sparing or blocking it
COX-1
Stomach lining, kidneys, platelets
Sparing it reduces, but does not remove, the ulcer risk
COX-2
Sites of inflammation
Blocking it gives the pain relief
COX-2 in blood vessels
Vessel lining
Blocking it is linked to the cardiovascular risk of the class
A coxib is gentler on the stomach than a non-selective NSAID.
It is not free of gastrointestinal risk.
The cardiovascular risk is the central question for this class.
No coxib should be described as a safe NSAID.
The carbonic anhydrase action, which is distinctive
Polmacoxib also inhibits carbonic anhydrase, types I and II.
Carbonic anhydrase I and II are abundant in red blood cells.
A published study described high affinity for those enzymes.
That affinity shapes how the drug distributes in the body.
It is part of why a 2 mg once-daily dose is enough.
DOSAGE GUIDE
Point
Detail
Source
Dose
2 mg once daily
Pharmacodia record
Frequency
Once a day only
Pharmacodia record
Strength available
2 mg capsule
Brand and trade listings
Approved indication
Idiopathic osteoarthritis of hip or knee
CDSCO recommendation
Comparator in the Phase III trial
Celecoxib 200 mg
CDSCO recommendation
Trial outcome noted
Non-inferiority to celecoxib 200 mg
CDSCO recommendation
The dosing rules that apply to every NSAID
Use the lowest effective dose.
Use it for the shortest time that controls symptoms.
Do not take more than one capsule a day.
Do not take it with another NSAID or another coxib.
That includes ibuprofen, diclofenac, naproxen and meloxicam.
That includes anti-inflammatory doses of aspirin.
Review the need for it with your doctor regularly.
Stop and seek advice if it is not helping.
What is not published, and why no further table appears
No FDA or EMA dosing document exists for polmacoxib.
I found no published dose adjustment for kidney impairment.
I found no published dose adjustment for liver impairment.
I found no published dose for older patients.
I found no published paediatric dose.
Those gaps must be filled from the Indian package insert.
Until you have the insert, publish the once-daily dose and nothing more. Do not infer dose adjustments from celecoxib.
Groups needing caution, by analogy with the class
Group
Why caution applies to any NSAID
Older adults
Higher risk of gastrointestinal bleeding
Anyone with heart disease or past stroke
Class cardiovascular risk
Anyone with a past ulcer or stomach bleed
Class gastrointestinal risk
Anyone with kidney impairment
NSAIDs can cause kidney injury
Anyone with liver disease
Liver enzyme rises occur with the class
Anyone with heart failure
Fluid retention occurs with the class
Anyone with uncontrolled high blood pressure
NSAIDs can raise blood pressure
Anyone with a sulfonamide allergy
Polmacoxib is a benzenesulfonamide
Pregnant women
See the pregnancy section below
HOW TO TAKE IT
Taking the capsule
Take it only on a doctor’s prescription.
Take one capsule once a day.
Swallow the capsule whole with water.
Take it at about the same time each day.
Take it with or after food to protect the stomach.
Do not take a second capsule for extra relief.
Do not open or crush the capsule unless told to.
Use it for the shortest period that controls symptoms.
Tell your doctor about any past ulcer or stomach bleeding.
At-risk patients may be given a stomach-protecting medicine.
Avoid alcohol, which adds to the stomach bleeding risk.
Avoid steroid tablets with it unless prescribed together.
Stop and seek care if you notice signs of bleeding.
Protecting the kidneys and heart
Drink enough fluid, especially in hot weather.
Tell your doctor if you take a water tablet.
Tell your doctor if you take a blood pressure medicine.
Monitor your blood pressure if you have hypertension.
Report ankle swelling or sudden weight gain.
Report any reduction in the urine you pass.
Never take it with another NSAID or coxib.
Never take it before or after bypass heart surgery.
Never take it late in pregnancy.
Never take it if you have had a sulfa allergic reaction.
Never use it for a condition other than the approved one.
Never share your capsules with anyone else.
PRECAUTIONS
Polmacoxib has no stringent-regulator label, so the bars below are taken from the coxib and NSAID class and are stated as class level. Replace them with your Indian insert wording when you have it.
Contraindications, at class level
Known hypersensitivity to polmacoxib or any excipient.
Demonstrated allergic-type reactions to sulfonamides.
Asthma, hives or allergic reaction after aspirin or any NSAID.
Active or recurrent peptic ulcer or stomach bleeding.
Any current gastrointestinal bleeding.
Severe liver impairment.
Severe kidney impairment.
Severe heart failure.
Peri-operative pain around coronary artery bypass graft surgery.
Late pregnancy, from about 30 weeks onward.
Children; no paediatric dose is published.
Conditions to disclose to your doctor
Any allergy to a sulfa medicine.
Any heart disease, angina or past heart attack.
Any past stroke or mini-stroke.
High blood pressure, especially if uncontrolled.
Heart failure of any degree.
Smoking, high cholesterol or diabetes.
Any stomach or duodenal ulcer, past or present.
Indigestion or reflux.
Ulcerative colitis or Crohn’s disease.
Any kidney disease.
Any liver disease.
Asthma, especially if aspirin makes it worse.
Dehydration, vomiting or diarrhoea.
Pregnancy or planned pregnancy.
Breastfeeding.
Older age, which raises the bleeding risk.
Every other medicine, including ones bought over the counter.
Pregnancy – the 20 week and 30 week rules
These are NSAID class rules from the FDA drug safety communication of 15 October 2020. They apply to any NSAID unless an insert says otherwise.
Stage of pregnancy
What the class rules direct
Before 20 weeks
Avoid unless clearly necessary
About 20 to 30 weeks
Limit the dose and the duration
About 30 weeks and later
Avoid NSAIDs
If treatment exceeds 48 hours after 20 weeks
Consider ultrasound monitoring for low amniotic fluid
NSAIDs can cause fetal kidney problems after about 20 weeks.
That reduces amniotic fluid, a condition called oligohydramnios.
It has been reported as early as 48 hours after starting.
After about 30 weeks a fetal heart vessel can close too early.
Tell pregnant buyers to speak to a doctor before using any NSAID.
Food and drink precautions
Take the capsule with or after food.
Avoid alcohol; it multiplies the stomach bleeding risk.
Drink enough fluid to protect the kidneys.
Do not add over-the-counter painkillers containing NSAIDs.
Check cold and flu remedies for hidden ibuprofen or aspirin.
Monitor blood pressure if you are hypertensive.
Avoid long unbroken courses without review.
Before-use safety checklist
Do you have a prescription for polmacoxib?
Has hip or knee osteoarthritis been diagnosed?
Is the diagnosis primary osteoarthritis, not another arthritis?
Have you ever reacted badly to a sulfa medicine?
Have you ever had a stomach ulcer or stomach bleeding?
Have you ever reacted badly to aspirin or another NSAID?
Do you have heart disease, or have you had a stroke?
Is your blood pressure controlled?
Has your kidney function been checked?
Do you have liver disease?
Could you be pregnant, and how many weeks?
Are you taking any other anti-inflammatory painkiller?
Do you know the warning signs of stomach bleeding?
Do you know the warning signs of heart attack and stroke?
SIDE EFFECTS
What the Indian submission reported
The firm presented a completed Phase III trial to CDSCO.
The committee noted no deaths in that trial.
It also noted no serious adverse events.
It noted non-inferiority to celecoxib 200 mg.
No frequency table for individual side effects was published there.
A Phase IV trial was made a condition of approval.
Licensed pharmacist (B.Pharm) with 12+ years in clinical pharmacy and patient care. Reviews every article for evidence-based accuracy before it is published on ACTIZA Store.
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