Immunlogy Flashcards
IBD treatments
Azathioprine, ciclosporin, mercaptopurine, and methotrexate
Folic and MTX
Used to reduce MTX toxicity , given weekly on different day to MTX
Antiproliferative drugs
Azathioprine or mycophenolate
Calcineurin inhibitors
Ciclosporin or tacrolimus
Other immunosupressantas
Sirolimus or corticosteroids
Corticosteroid immunosuppresent side effect
Suppress clinical signs of infection and allow diseases such as septicaemia or tuberculosis
What to give after severe chicken pox exposure
Varicella–zoster immunoglobulin (VZIG)
What to give after measles exposure
Immunoglobulin
What is azathioprine metabolised to
Mercaptopurine
When should azathioprine dose be reduced
Allopurinol
What antiproliferative drug has a more selective mode of action
Azathioprine
What corticosteroid has an antitumour effect
Prednisolone
Ciclosporin side effects
Nephrotixic
Ciclosporin indication
Organ and tissue transplantation, for prevention of graft rejection following bone marrow, kidney, liver, pancreas, heart, lung, and heart-lung transplantation, and for prophylaxis and treatment of graft-versus-host disease
What calcineurin inhibitor is more neurotoxic
Tacrolimus
Sirolimus inhibitor
Renal transplant
Tacrolimus side effects
Neurotoxic, cardiomyopathy, affects glucose metabolism, liver toxicity jaundice
What is MS
Chronic, immune-mediated, demyelinating inflammatory condition of the central nervous system, which affects the brain, optic nerves and spinal cord, and leads to progressive severe disability
Relapsing-remitting MS
Periods of exacerbation of symptoms and remission/stability
What is secondary progressive MS
Progressive disability unrelated to relapses occurs 6-10 years after onset, steadily worsens
Active MS disease definition
2 clinically significant releases in last 2 years
Treating active MS disease
Interferon beta, teriflunomide, dimethyl fumarate
Drug MS treatment
Interferon beta, glatiramer acetate, fingolimod and natalizumab, vit D
Very active disease treatment
Natalizumab alemtuzumab
Secondary progressive MS treatment
Interferon beta
Chronic MS symptoms
Neurological dysfunction, fatigue, spasticity, visual problems, and emotional lability
Treating MS symptoms
Stop smoking, methylprednisolone
Treating MS fatigue/ impaired mobility
Amantadine, exercise
MS spasticity treatment
Baclofen, gabapentin, dantrolene, tizanidine, cannabis
MS emotional lability treatment
Amitryptyline
MS oscilopsia is/treatment
Feeling like always moving, gabapentin, memantine
Prostate cancer risk factors
> 70 afro caribbean, obesity, family
Prostate cancer symptoms
Urinary outflow obstruction, or, pelvic or back pain due to bone metastases
How is severity/treatment decided
Baseline prostate specific antigen (PSA) levels, tumour grade (Gleason score), the stage of the tumour, the patient’s life expectancy (based on age and comorbid conditions), treatment morbidity, and patient preference.
Prostate cancer treatment
Watchful waiting, active surveillance, prostatectomy, radiotherapy (such as external beam), brachytherapy, hormone therapy, and chemotherapy
Prostate hormone therapy
Anti-androgen or LHRH or gonadorelin antagonist or bilateral ochidectomy
What should be given in conjunction to radical radiotherapy
Androgen deprivation therapy
Treating metastatic prostate cancer
Chemo with docetaxel
What to give to those hoping to maintain sexual function
Bicalutamide
Preventing skeletal events in metastatic prostate cancer
Zoledronic acid
What to give metastatic prostate cancer progresses after chemo
Abiraterone with/or prednisolone and enzalutamide
When to stop chemo for metastatic prostate cancer
10 cycles
Alternative to LHRH treatment
Bilateral orchidectomy
LHRH Treatment
Histrelin, triptorelin, goserelin, leuprolide
Breast cancer risk factors
Age, early onset of menstruation, late menopause, older age at first completed pregnancy, and a family history, HRT oral contraception
LHRH stands for
Luteinizing hormone-releasing hormone (LHRH) agonists
What protects against breast cancer
Physical activity, breast feeding
Breast cancer types
Non invasive =ductal carcinoma Invasive = spread beyond ducts Early stage = stage I/II Locally advanced = stage III And advanced = stage IV
Aim of breast cancer treatment
Reduce mortality, increase progression free and disease free survival and improve QoL
Different forms of breast cancer treatment
Surgery , radiotherapy ,adjuvant drug therapy, neoadjuvant drug therapy
When is tamoxifen recommended
Premenopausal women without history of increased thromboembolic disease or endometrial cancer
When is anastrazole used
Postmenopausal women without severe osteoporosis
What breast cancer drug may lead to early meopause
Tamoxifen
Drugs to stop in breast cancer
HRT
Relieving menopausal symptoms
SSRI for hot flushes in those not taking tamoxifen, or clonidine, venlafaxine and gabapentin
When is tamoxifen recommended
Tamoxifen is recommended for premenopausal women who do not have a history of, or increased risk of thromboembolic disease or endometrial cancer
How long should chemoprevention be given
5 years
When should chemoprevention be offered
Given to all those at high risk
Biological treatment in advanced breast cancer
Trastuzumab and paclitaxel
First line treatment in advanced breast cancer
Chemo
Adjuvant breast bisphosphonate therapy
Zoledronic and sodium clodronate, improve disease-free survival and overall survival in postmenopausal women with node-positive invasive breast cancer
Adjuvant biological breast treatment
Trastuzumab if HER2 positive invasive
Adjuvant endocrine breast therapy
Tamoxifen as reducing oestrogen may reduce progression in premenopausal or aromatase inhibitor (zole-anastrazole) in post-menopausal
Predictive factors
(ER), progesterone receptor (PR), and human epidermal growth receptor 2 (HER2) status of the primary tumour
Alternative to radiotherapy
Adjuvant endocrine therapy for minimum of 5 years
Treatment of early / locally advanced breast cancer
Surgery to breast/axillary lymph nodes with/without radiotherapy (if recurrence likely use) possibly followed by adjuvant drug therapy
Cytotoxic side effects
Extravasation, oral mucositis, tumour lysis syndrome, hyperuricemia, bone marrow suppression, alopecia, thromboembolism,
What cancer drugs don’t cause bone marrow suppression
Vincristine, bleomycin
How should vincristine be used
IV
When is broad Abx needed for neutropenia
Neutrophil count less than 1.06×10^9/litre
When to prevent hyperuricaemia
When chemo associated with acute renal failure
Who is at risk of tumour lysis syndrome
Non-Hodgkin’s lymphoma (especially if high grade and bulky disease), Burkitt’s lymphoma, acute lymphoblastic leukaemia and acute myeloid leukaemia
What commonly causes mucositis
Fluorouracil, methotrexate, and the anthracyclines
Mucositis prevention
Oral hygiene (sucking ice when getting flurouracil infusion)
Treating sore mouth/mucositis
Saline mouthwash, anti-inflammatory/antiseptic mouthwash
Cancer drugs causing permanent male sterility
Alkylating drug/procarbazine
Mildly emetogenic
Fluorouracil, etoposide, methotrexate (<100mg/m2), the vinca alkaloids, and abdominal radiotherapy
Moderately emetogenic
Taxanes, doxorubicin hydrochloride, intermediate and low doses of cyclophosphamide, mitoxantrone, and high doses of methotrexate (0.1– 1.2 g/m2).
Highly emetogenic
Cisplatin, dacarbazine, and high doses of cyclophosphamide
Treating low risk emesis
Dexamethasone, lorazepam
Treating high risk emesis
5ht3 receptor antagonist + dexamethasone, aprepitant
5ht3 receptor antagonis
ondansetron, granisetron, dolasetron, and palonosetron
Treating delayed CINV
Metoclopramide, dexamethasone, rolapitant
Anthracycline side effects
Extravasation cardiotoxic
Anthracycline drugs
Doxorubicin, daunorubicin, epirubicin and idarubicin
Folic acid uses
Counteract folate antagonist action of methotrexate, used in methotrexate overdose
Methotrexate side effects
Liver toxicity (jaundice), GI toxicity (inflamed mouth) nausea, vomiting, blood disorder dyspnoea, cough, mucositis
Folinic acid and tripethoprim
Does not counteract antibacterial activity
Why is folinic used with fluorouracil
Better response rate in metastatic colorectal cancer
Causes of cystitis
oxazaphosphorines, cyclophosphamide and ifosfamide
Treating cystitis/urothelial toxicity
Mesna
What cancer drugs shouldn’t be used with radiotherapy
Anthracycline as increases toxicity
Doxorubicin indications
Acute leukaemia’s, Hodgkin’s and non-Hodgkin’s lymphomas, paediatric malignancies, and some solid tumours including breast cancer.
Vinca alkaloid indications
Leukaemia’s, lymphomas, and some solid tumours
Vinca examples and derivatives
Vinca alkaloids, vinblastine sulfate, vincristine sulfate, and vindesine sulfate. Vinorelbine is a semi-synthetic vinca alkaloid. Involved in treatment of breast cancer.
Vinca examples and derivative
Vinca alkaloids, vinblastine sulfate, vincristine sulfate, and vindesine sulfate. Vinorelbine is a semi-synthetic vinca alkaloid. Involved in treatment of breast cancer.
Alkylating mechanism
Damage DNA so interfere with cell replication
Cyclophosphamide indication
Wide range of malignancies, including some leukaemias, lymphomas, and solid tumours, rheumatoid arthritis
Cyclophosphamide side effects
Agranulocytosis, alopecia, bone marrow CYSTITIS, decreased leucocytes fever haemorrhage, neutropenia, sperm abnormalities, thrombocytopenia
Carmustine use
Multiple myeloma, non-Hodgkin’s lymphomas, Hodgkin’s disease, and brain tumour
Estramustine use
Used in prostate cancer
Taxane example
Paclitaxel, Docetaxel