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Dirozalkib

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Dirozalkib

Supplied with complete CDSCO-approved import and customs documentation, including Form 12A & 12B, CDEC, GST Bill of Entry, Commercial Invoice, and Packing List.

Medicine Name: Dirozalkib
Generic Name (API): Dirozalkib
Dosage Form & Strength: As per Chinese pack
Route: Oral
Drug Class: ALK tyrosine kinase inhibitor

Manufacturer / Innovator:

China

Regulatory Approval:

  • NMPA (China)
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What Is Dirozalkib Used For?

Dirozalkib is a once-a-day targeted tablet for ALK-positive lung cancer, developed in China by Xuanzhu Biopharmaceutical, part of the Sihuan Pharmaceutical group. It is sold there as 轩菲宁® (Xuan Fei Ning) and was known in research as XZP-3621.

China's National Medical Products Administration (NMPA) approved it in August 2025 for adults with:

  • ALK-positive, locally advanced or metastatic non-small cell lung cancer (NSCLC)
  • Who have not been treated with an ALK inhibitor before

It is a prescription cancer medicine and should only be used under a medical oncologist experienced in lung cancer.

How It Works

In a small share of lung cancers, a gene called ALK becomes fused to another gene. The faulty ALK protein that results keeps telling the cell to grow. Dirozalkib sits in the energy pocket (the ATP-binding site) of the ALK protein and shuts that signal off. In laboratory tests it also blocked several ALK changes that make cancer resistant to older ALK medicines, such as G1202R and I1171N. It crosses into the brain well, which matters because brain spread is common in this type of lung cancer.

What the Trial Showed

The phase 3 DIAMOND-2 trial enrolled 275 people in China with ALK-positive advanced NSCLC who had not had an ALK medicine before. Half took dirozalkib, and half took an older, first-generation ALK tablet used as the comparison medicine. Results presented at the AACR meeting in April 2026 showed:

  • The cancer was kept in check for a median of 31.3 months with dirozalkib against 12.9 months, a 53% lower risk of progression (hazard ratio 0.47)
  • 88.5% of patients responded, and responses lasted a median of 32.1 months
  • In people with measurable brain tumours, 91.7% saw those tumours respond, against 11.1% with the comparison medicine, and the risk of the brain disease growing fell by 55%

Recommended Dosage

  • Dose used in the trials: 500 mg by mouth once a day
  • Taken every day, in 28-day cycles, until the disease progresses or side effects become too hard to manage

Your oncologist will set the exact dose from the Chinese prescribing information and may lower it if side effects build up.

This information is not a treatment plan. For personalized medical advice, consult your doctor and refer to the full prescribing information.

Warnings and Precautions

Stomach and bowel side effects: these are the main ones. In the interim results of the phase 3 trial, treatment-related diarrhoea affected 97.8% of patients, vomiting 88.3% and nausea 66.4%. Most were mild to moderate, but diarrhoea was severe in 19.0%. Starting anti-diarrhoea and anti-sickness treatment early, and drinking plenty of fluids, helps. Tell your doctor if it does not settle within a day.

  • Liver tests: raised ALT (59.9%) and AST (56.2%) were common, so liver blood tests are checked during treatment.
  • Muscle enzyme and weight: a rise in the CK-MB enzyme (41.6%) and weight loss (40.9%) were also seen. Report muscle pain or weakness.
  • Acid-reducing medicines: dirozalkib dissolves less well when stomach acid is low. A healthy-volunteer study found that a proton pump inhibitor lowered peak levels by about 27%. Tell your doctor about any antacid or acidity tablet you take.
  • Pregnancy and breastfeeding: safety has not been established. Use reliable contraception during treatment and discuss pregnancy or breastfeeding with your oncologist first.

Overall: in the interim analysis, severe side effects of any cause occurred in 54.0% of patients on dirozalkib and 65.9% on the comparison medicine. 19.7% needed a lower dose, against 28.3%. Only 0.7% stopped dirozalkib because of side effects at that point (1.5% in the April 2026 update), compared with 6.5% on the comparison medicine.

How to Access Dirozalkib in India: A 6-Step Process

Step 1 – Search & request your medicine: The patient or treating doctor submits a request with basic details to initiate the access process.

Step 2 – Verification & eligibility review: The team verifies availability and reviews eligibility against regulatory and clinical requirements to ensure a compliant pathway.

Step 3 – Receive quote & delivery timeline: A transparent quotation is shared, covering medicine cost, logistics, and a clear delivery timeline.

Step 4 – Regulatory approval process: Assistance is provided to secure the approvals and documentation required for legal cross-border access.

Step 5 – Temperature-controlled import & handling: The medicine is sourced and transported under strict GDP-compliant conditions to maintain product integrity.

Step 6 – Secure delivery: The medicine is delivered to the patient or treating hospital, with updates provided at each stage.

Note: From request to delivery, every step is designed to ensure your treatment reaches you safely, compliantly, and without unnecessary delays.

Documentation & Availability

What documents are required to import Dirozalkib to India?

The tablets can be imported only in the patient's name, by the patient or a government hospital, in line with India's import regulations for unapproved medicines. You will need:

  • A valid prescription from a qualified medical oncologist
  • Diagnostic reports, including the biopsy report and the ALK test result (IHC, FISH or NGS), plus brain imaging if available
  • Patient ID proof (issued by the Government of India)

How is the order confirmed?

Once we have received and checked a valid prescription and, where needed, an import permit.

Is Dirozalkib available in India?

No. It is approved only in China. It has no CDSCO approval, it is not sold in Indian pharmacies, and the US FDA and European Medicines Agency have not approved it either.

Patients can still get it legally through the Named Patient Program (NPP), which allows a medicine not registered in India to be imported for one specific patient on a prescription. For lung cancer driven by a different gene change, ROS1, see our pages on Augtyro and Ibtrozi.

It can be made available to patients, doctors, and hospitals across major cities in India, including Gurgaon, Delhi, Bangalore, Mumbai, Navi Mumbai, Thane, Hyderabad, Mysore, Kerala, Chennai, Coimbatore, Madurai, Kolkata, Ahmedabad, Surat, Vadodara, Pune, Nagpur, Nashik, Jaipur, Udaipur, Lucknow, Kanpur, Gorakhpur, Chandigarh, Mohali, Faridabad, Noida, Ghaziabad, Kochi, Trivandrum, Kozhikode, Thrissur, Kannur, Mangalore, Bhubaneswar, Patna, Ranchi, Raipur, Guwahati, Visakhapatnam, Vijayawada, Goa, Jammu, Srinagar, Dehradun, Bhopal, Indore, Ludhiana, Amritsar, and others — and can facilitate delivery to the patient's treating hospital. Orders are confirmed only after receipt of a valid doctor's prescription and an import permit, where applicable.

Sourcing & Delivery

NamedPatientProgram.com (NPP) sources this medicine through the manufacturer's authorised supply channels in China and arranges supply to patients, doctors, and hospitals under applicable legal provisions. Because the tablet count each day depends on the dose your oncologist chooses, we work out the monthly quantity from the prescription and plan repeat orders ahead of time. The tablets travel in their sealed original packs under temperature-controlled shipping and should be stored as directed on the pack. All prescriptions are dispensed and checked by registered pharmacists and dispatched from New Delhi, India, after legal requirements are fulfilled.

For the current cost in India and availability, contact NPP via WhatsApp at +91 98104 69557 | Toll-Free: 1800-1200-365 or email info@namedpatientprogram.com.

Availability Across Major Cities in India

Patients across India can access this medicine through regulated import pathways, with delivery arranged to the patient or the treating hospital on a valid oncologist's prescription.

Delhi

Thoracic oncology teams in Delhi treat ALK-positive patients from across North India, and our New Delhi dispatch point keeps delivery times short.

Mumbai

Oncologists in Mumbai can request the tablets for a named patient once the ALK test report is shared.

Bangalore

Each month's supply can be delivered to the patient at home or to the hospital pharmacy.

Chennai

A leading centre for lung cancer care in South India, with experience importing targeted tablets for individual patients.

Hyderabad

We plan repeat orders ahead so a daily treatment like this is never interrupted.

Kolkata

Patients in Kolkata and the eastern states can follow the same documented import route, with updates at each step.

Pune

The treating oncologist can send the prescription and ALK report to start the process.

Ahmedabad

Oncologists in Ahmedabad can arrange access for newly diagnosed ALK-positive patients, including those with brain spread.

Jaipur

Patients in Rajasthan can receive the tablets close to home, as long as the import is in their name.

Chandigarh

Serves patients from Punjab, Haryana and Himachal Pradesh, with delivery to the patient or the treating hospital.

Lucknow

We arrange delivery for patients treated at cancer hospitals across Uttar Pradesh.

Kochi

Patients across Kerala can have their supply delivered to Kochi and nearby cities.

Access can also be coordinated for patients in other Indian cities, subject to a valid prescription and regulatory requirements.

Author Details

Nitin Goswami

Written By

Nitin Goswami

Deputy Manager – Content & Social Media, Ikris Pharma Network

Sources: NMPA • CDSCO

Dr. Chirag C Shah

Medically Reviewed By

Dr. Chirag C Shah

MBBS

Last Updated: 19 October 2026

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