Targeted Therapy Drug: Cancer Treatment, Cost & Funding in Hong Kong
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Targeted Therapy Drug: Cancer Treatment, Cost & Funding in Hong Kong

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cigna-teamAuthorCigna Team

Targeted therapy is a popular option in treating Stage IV cancer because of its high effectiveness and substantial side effects. However, the rocket-high costs incurred has limited many’s access to the treatment. Cigna Smart Health gathers information about registered targeted therapy drugs’ fees in Hong Kong and explains their principles, side effects, effectiveness, and related funds in this article.

Targeted therapy is a type of cancer treatment that uses drugs designed to "target" cancer cells without affecting normal cells. Since the side effects of targeted therapy are less than those of chemotherapy, the treatment yields a better result with an increase in patients’ treatment tolerance.

Targeted therapies are made to find and attack specific areas or substances in cancer cells or detect and block certain kinds of messages sent inside a cancer cell that tell it to grow. Some of the substances in cancer cells that become the "targets" of targeted therapies are:

  • Too much of a certain protein on a cancer cell
  • A protein on a cancer cell that is not on normal cells
  • A protein that is mutated (changed) in some way on a cancer cell
  • Gene (DNA) changes that aren't in a normal cell.
  • Block or turn off chemical signals that tell the cancer cell to grow and divide
  • Change proteins within the cancer cells, so the cells die
  • Stop making new blood vessels to feed the cancer cells
  • Trigger your immune system to kill the cancer cells
  • Carry toxins to the cancer cells to kill them, but not normal cells

Most of the targeted therapy drugs can be further classified into small molecule drugs and Monoclonal antibodies.

  • Small molecule drugs: Target a specific substance inside the cells and block them, since the size of these molecules are tiny which help enter a cancer cell.
  • Monoclonal antibodies: A bigger size of artificial proteins in our immune system that does not fit to enter a cell.

The most common ways to give targeted therapy drugs are by mouth (as a tablet or capsule) or into a vein (intravenously). A few targeted therapy drugs might be injected under the skin (subcutaneously).

Targeted therapy drugs are less toxic than traditional chemotherapy drugs. However, targeted therapy drugs can have substantial side effects, as shown below.

  • Nausea and vomiting
  • Diarrhoea
  • Liver problem (e.g Hepatitis and elevated liver enzymes)
  • Skin problem (e.g Acneiform eruption, Dry Skin, nail changes, loss of hair colour)
  • Blood clotting and wound healing problems
  • High blood pressure
  • Cardiac damage
  • Gastrointestinal perforation (a rare side effect for certain targeted therapy drugs)

The severity of side effects can vary greatly from drug to drug and from person to person. Most side effects go away over time after treatment ends and the healthy cells recover. The time it takes to get over side effects varies from person to person. It depends on many factors, including your overall health and the drugs you were given.

According to foreign research and the list of registered targeted therapy drugs in Hong Kong, the table below summarises the average costs per month of the drugs on various cancers for your reference.

Cancer

Targeted therapy drugs registered in Hong Kong

Average costs per month (HKD)

Breast cancer

bevacizumab, everolimus, lapatinib, pertuzumab, trastuzumab and its antibody-drug conjugates

Approx. $20,000 - $80,000

Colorectal cancer

aflibercept, bevacizumab, cetuximab, panitumumab, regorafenib

Approx. $20,000 - $140,000

Lung cancer

afatinib, bevacizumab, crizotinib, erlotinib, gefitinib

Approx. $50,000 - $135,000

Liver cancer

sorafenib

Approx. $150,000

Head and neck cancer

cetuximab

Approx. $15,000

Gastric cancer

trastuzumab

Approx. $30,000

Kidney cancer

axitinib, bevacizumab, everolimus, pazopanib, sorafenib, sunitinib, temsirolimus

Approx. $20,000 - $40,000

Ovarian epithelial/fallopian tube/primary peritoneal cancers

bevacizumab

Approx. $30,000

Pancreatic cancer

erlotinib, everolimus, sunitinib

Approx. 120,000 - $27,000

Brain cancer

bevacizumab, everolimus

Approx. $20,000 - $70,000


The prices of targeted therapy drugs can vary depending on the dosage corresponding to the patient’s weight, frequency period and the types of drugs. For more details, please consult your doctor.

The fees of targeted therapy drugs are hard to afford for many. As such, the government and many social welfare organisations offer various funds to help the people in need.

Funding Programmes

Eligibilities

Samaritan Fund

and

Community Care Fund Medical Assistance Programmes

  • Must be signed/issued by a designated doctor of HA
  • Must be a permanent resident of the HKSAR
  • Must pass a "household-based" financial assessment conducted by Medical Social Worker (MSW)

St. James' Settlement: The Philanthropic Community Pharmacy

  • Patients in financial need can dial 2831 3289 for enquiry and reservation.

Hong Kong Anti-Cancer Society: Prof. H.C. Ho Memorial Medical Assistance Programme

  • Recommendation by doctors in clinical oncology, medical oncology or haematological oncology departments of the seven public hospitals
  • Financial assessment by a medical social worker of the hospital. Applications will be submitted to HKACS by a medical social worker on the patient's behalf.
  • Final approval by a designated panel of HKACS on an individual case's merit.

Hong Kong Anti-Cancer Society: The Portia Cheung Breast Cancer Support Programme

  • Referral from a Clinical Oncologist and pass a financial assessment by a medical social worker at the hospital

Yan Oi Tong Chong Suk Un Medical Fund

  • Recommendation by Clinical Oncologist in Tuen Mun Hospitals
  • Financial assessment by medical social worker of Tuen Mun Hospital

Po Leung Kuk Medical Assistance Fund

  • Hong Kong resident; and In genuine need of assistance
  • Referral by Po Leung Kuk units, agencies subvented by the Social Welfare Department, units of Hospital Authority or agencies subsidised by the Community Chest
  • Did not get funded by the Samaritan Fund or Community Care Fund

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To know more about different cancers, please read the following articles:

Sources:

  1. 標靶治療藥
  2. 化療傷身?標靶、免疫治療更好? 抗癌三大療法各擅勝場- 明報健康網
  3. How Targeted Therapies Are Used to Treat Cancer
  4. The High Cost of Cancer Drugs and What We Can Do About It (NCBI)
  5. 一張表!看懂癌症標靶藥物,以及...會花多少錢

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