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Treatment and the treatment process

Treatment in adults

Leukemia treatment in adults differs from that in children: the types of leukemia, genetics, other illnesses and life circumstances are different. This topic explains how a treatment plan is built for adults.

Last updated: ~2 min read
Glowing scales on a dark navy background with a laptop and key on one side and a medicine box on the other.
Figure 1.For adults, treatment is balanced with work and family life.

01Short answer

In adults, the most common leukemias are CLL and AML, followed by CML and ALL. The choice of treatment depends on the type and genetics of the leukemia and on a person’s "fitness for treatment": heart, lung, kidney and liver function, overall performance status and other illnesses. People fit for intensive treatment are offered standard chemotherapy and, if needed, a transplant; others are offered gentler, often outpatient, regimens. Young adults with ALL do better on "paediatric-style" protocols. Before treatment it is important to discuss fertility preservation, plans for work and family, finances and psychological support. Taking part in a clinical trial may also be an option.

02Simple explanation

Type and genetics. The plan depends first on the leukemia itself.

The body’s strength. Doctors check the heart, kidneys and other organs.

Life. Work, family and plans for children are part of the discussion.

Shared decision. You are a full member of the team.

03Scientific explanation

Assessing fitness: the ECOG performance scale, comorbidity indices (such as HCT-CI) and, in older people, geriatric assessment help predict the risks of intensive treatment (NCI, ESMO).

Differences by type: in AML, intensive "7+3" or azacitidine + venetoclax; in ALL, combination chemotherapy, TKIs if Ph+, immunotherapy; in CML, TKIs; in CLL, monitoring or targeted drugs.

Fertility: chemotherapy and transplant can reduce fertility. When time allows, freezing sperm or eggs should be discussed before treatment; in acute leukemia, the urgent start can limit the options.

04What happens in the body?

In older people

Older people more often have other illnesses. But modern gentler regimens give many older people a chance of effective treatment. Quality of life and personal goals carry real weight in the decision.

A translucent heart, lungs and kidneys glowing side by side on a dark background.
Figure 2.Organ function is assessed before treatment.

Intensive or gentle?

This is not a choice between "good" and "bad". Each path has its own benefits and risks; the doctor should explain each, and you can ask questions and ask for time.

A fork in a path on a dark navy landscape: a steep and a gentle trail lead to the same warm horizon.
Figure 3.Intensive and gentle paths can lead to the same goal.

Work and family

Some people keep working during treatment; others take leave. Talking to your employer about flexible hours and asking a social worker about your rights can help.

05How is an adult’s plan built?

A simplified outline.

Diagnosis — Type and genetics.1DiagnosisType and genetics.
Assessment — Organs and fitness.2AssessmentOrgans and fitness.
Conversation — Goals and options.3ConversationGoals and options.
Plan — Intensive or gentle.4PlanIntensive or gentle.
A personal planSuited to you.
SupportFamily, work, psychologist.
TrialsA possible option.

06Main leukemias in adults and the typical approach

TypeTypical ageMain approach
AMLMedian age 65–70Intensive or less intensive regimen
ALLYoung and older adultsCombination chemotherapy, TKIs, immunotherapy
CMLMedian age about 50–60Daily TKI
CLLMedian age about 70Monitoring or targeted drugs
HCLMiddle-aged menCladribine
APLAny ageATRA + arsenic trioxide

* Figures are approximate and vary by source.

07Key terms

Fitness
The ability to tolerate intensive treatment.
ECOG
A scale of everyday activity.
Comorbidity
An illness besides the leukemia.
Fertility preservation
Storing reproductive cells before treatment.
Clinical trial
A scientific test of a new treatment.
Shared decision
A choice made together by doctor and patient.

08Key points

  • Leukemia types in adults are different.
  • Age is not the only criterion.
  • Organ function is assessed.
  • Gentler regimens can also work.
  • Discuss fertility beforehand.
  • Work and family are part of the plan.

09Frequently asked questions

I am 75 — can I be treated?

Yes, often; the plan is adapted to your health.

Can I get a second opinion?

Yes, this is normal; but in acute leukemia it is important not to delay treatment.

Is a clinical trial dangerous?

Trials run under strict oversight; discuss the benefits and risks with your doctor.

Can I plan a pregnancy during treatment?

Pregnancy should be avoided during treatment; tell your doctor about your plans early.

10Questions for your doctor

Take these questions to your appointment. The ones you save are collected on the “My questions” page and stay on this device only.

  1. I am 75 — can I be treated?

  2. Can I get a second opinion?

  3. Is a clinical trial dangerous?

  4. Can I plan a pregnancy during treatment?

My questions

12Sources

  1. National Cancer Institute (NCI). Adult Acute Myeloid Leukemia Treatment (PDQ) – Patient Version
  2. National Cancer Institute (NCI). Adult Acute Lymphoblastic Leukemia Treatment (PDQ) – Patient Version
  3. National Cancer Institute (NCI). Chronic Lymphocytic Leukemia Treatment (PDQ) – Patient Version
  4. National Cancer Institute (NCI). Chronic Myeloid Leukemia Treatment (PDQ) – Patient Version
  5. American Cancer Society. Fertility and Women With Cancer / Men With Cancer
  6. Macmillan Cancer Support. Work and cancer: employees
  7. New England Journal of Medicine, 2017. Pathophysiology of Chronic Graft-versus-Host Disease and Therapeutic Targets
  8. Cancer Research UK. Central lines
  9. Cancer Research UK. PICC Lines (Peripherally inserted central catheter)
  10. Cancer Research UK. Portacaths
Medical disclaimerThis information is for educational purposes only and does not replace medical advice.
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