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Drug Formulary information is intended for use by healthcare professionals. It is not intended to be medical advice. Some of the information, including information about funding for cancer drugs, does not apply to all patients. Cancer treatment plans are unique to each patient. If you are a patient, please speak with your healthcare team to understand how this information applies to you.

A - Regimen Name

PACL(W) Regimen
PACLitaxel (weekly)


Disease Site
Gynecologic - Ovary

Intent
Palliative

Regimen Category
Evidence-Informed :

Regimen is considered appropriate as part of the standard care of patients; meaningfully improves outcomes (survival, quality of life), tolerability or costs compared to alternatives (recommended by the Disease Site Team and national consensus body e.g. pan-Canadian Oncology Drug Review, pCODR).  Recommendation is based on an appropriately conducted phase III clinical trial relevant to the Canadian context OR (where phase III trials are not feasible) an appropriately sized phase II trial. Regimens where one or more drugs are not approved by Health Canada for any indication will be identified under Rationale and Use.


Rationale and Uses
  • Treatment of platinum-sensitive recurrent ovarian cancer, when platinum is contraindicated (e.g. due to toxicity)
  • Treatment of platinum-resistant recurrent ovarian cancer
  • Option for patients who cannot tolerate q3weekly paclitaxel
 
B - Drug Regimen

PACLitaxel
80 mg /m² IV Days 1, 8, 15 and 22
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C - Cycle Frequency

REPEAT EVERY 28 DAYS

Until disease progression, or unacceptable toxicity

 
D - Premedication and Supportive Measures

Antiemetic Regimen:

Low

Other Supportive Care:

Also refer to CCO Antiemetic Recommendations.

 

Pre-medications* (prophylaxis for infusion reaction):

To be given 30-60 minutes prior to paclitaxel infusion.

  • Dexamethasone 10 mg IV, starting in cycle 1
  • Diphenhydramine 25-50 mg IV/PO
  • Ranitidine 50 mg IV OR Famotidine 20 mg IV

* Consider discontinuing pre-medications for paclitaxel if there was no IR in the first 2 doses.

 
E - Dose Modifications

Doses should be modified according to the protocol by which the patient is being treated. 

Dosage with toxicity

Patients should not be retreated until neutrophil ≥ 1.5 x 109 /L and platelet counts ≥ 100 x 109/L.

Dose levels: 80 mg/m², 70 mg/m², 60 mg/m². Dose re-escalations are not allowed. Discontinue treatment if toxicity recurs after 2 dose reductions.

 

Toxicity (Grade or Counts x 109/L)
On Day 1 of cycle
 
On D8, 15, 22 of cycle1
Paclitaxel dose
ANC < 1.5 and/or Platelets < 100
Delay1
No change
ANC ≤ 0.5 and/or Platelets ≤ 75
 
Delay1; ↓ 1 level for next dose
OMIT, ↓ 1 level for next dose
≥ grade 2 renal / neurotoxicity
 
Delay1; ↓ 1 level
OMIT, ↓ 1 level for next dose
Other Grade 3 non-hematological 2,3
 
Delay1; ↓ 1 level
OMIT, ↓ 1 level for next dose
Grade 4 non-hematological3
Discontinue
Discontinue

1 Delay for up to 2 weeks. Start day 1 of cycle when non-hematologic toxicities recover to ≤ grade 1, platelets ≥ 100 x  109 /L, and ANC ≥ 1.5 x 109  /L; reduce dose as per table.
2 Except alopecia, fatigue, and nausea. Appropriate symptom management should be provided for vomiting, diarrhea, constipation; dose modifications may not be necessary.

Except infusion reactions. See Management of Infusion Reactions table below for dose modifications pertaining to infusion reactions.

 

Management of Infusion-related reactions:

Also refer to the CCO guideline for detailed description of Management of Cancer Medication-Related Infusion Reactions.

 

Grade Management Re-challenge
1 or 2
  • Stop or slow the infusion rate.
  • Manage the symptoms.
     

Restart:

  • After symptom resolution, restart with pre-medications ± reduced infusion rate.
  • Consider re-challenge with pre-medications and at a reduced infusion rate.
  • After 2 subsequent IRs, consider replacing with a different taxane. Give intensified pre-medications and reduce the infusion rate.
  • May consider adding oral montelukast ± oral acetylsalicylic acid.
3 or 4
  • Stop treatment.
  • Aggressively manage symptoms.
  • Re-challenge is discouraged, especially if vital signs have been affected.
  • Consider desensitization if therapy is necessary.
  • There is insufficient evidence to recommend substitution with another taxane at re-challenge.
  • High cross-reactivity rates have been reported.



Hepatic Impairment

 

Bilirubin
AST/ALT
Paclitaxel dose (% previous dose)
1 – 3 x ULN
 
Caution
>3 - 4 x ULN
Grade 3
75% 1  (or 70 mg/m2)
> 4 x ULN
Grade 4
50% 1 or OMIT

Consider dose modification for severe increases in LFTs.
1Retreat when toxicities recover to ≤ grade 1, platelets ≥ 100 x 109/L, and ANC ≥ 1.5 x 109/L.


Renal Impairment

For Creatinine ≥ grade 2, may consider delay followed by ↓ 1 dose level.


Dosage in the Elderly

No adjustment required, but elderly patients are more at risk for severe toxicity.


 
F - Adverse Effects

Refer to PACLitaxel drug monograph(s) for additional details of adverse effects

 


Very common (≥ 50%)

Common (25-49%)

Less common (10-24%)

Uncommon (< 10%),

but may be severe or life-threatening

  • Alopecia (may be permanent)
  • Musculoskeletal pain (may be severe)
  • Neuropathy (may be severe, includes cranial nerves and autonomic)
  • Diarrhea
  • Nausea/vomiting
  • Myelosuppression +/- infection and bleeding (may be severe)
  • Hypersensitivity (may be severe)
  • Hypotension
  • ECG changes
  • Mucositis
  • Edema
  • Fatigue
  • ↑ LFTs (may be severe)
  • Arrhythmia
  • Arterial thromboembolism
  • Venous thromboembolism
  • Cardiotoxicity
  • Injection site reactions
  • Rash
  • GI obstruction
  • GI perforation
  • Pancreatitis
  • Secondary malignancy
  • Encephalopathy
  • Seizures
  • Cystoid macular edema
  • Pneumonitis
  • Typhlitis
  • Radiation recall
 
G - Interactions

Refer to PACLitaxel drug monograph(s) for additional details


  • Caution with concurrent use of CYP2C8/3A4 substrates, inhibitors and inducers.
 
H - Drug Administration and Special Precautions

Refer to PACLitaxel drug monograph(s) for additional details


Administration

  • In order to minimize patients’ exposure to DEHP leaching from PVC bags or sets, use polyolefin or polypropylene infusion bags and polyethylene-lined administration sets (with a 0.22 micron in-line filter).

  • Dilute in Normal Saline or 5% Dextrose, in a final concentration of 0.3-1.2 mg/mL and infuse over 3 hours.

  • For weekly dosing, may be infused over 1 hour - mix in 250mL bag as above (not approved by manufacturer).

  • Extended infusion of paclitaxel is not recommended as primary prophylaxis to reduce paclitaxel IRs.

  • Excessive shaking, agitation, or vibration may induce precipitation and should be avoided.

  • Precipitation may rarely occur with infusions longer than 3 hours.
     

Also refer to the CCO guideline for detailed description of Management of Cancer Medication-Related Infusion Reactions.


Contraindications:

  • Patients with a history of severe hypersensitivity reactions to paclitaxel or other drugs formulated in Cremophor EL (polyethoxylated castor oil)

  • Patients with severe baseline neutropenia  (<1.5 x 109/L; < 1 x 109/L for patients with AIDS-related Kaposi’s)
     

Other Warning/Precautions:

  • Paclitaxel contains ethanol, and is administered with agents such as antihistamines which cause drowsiness. Patients should be cautioned regarding driving and the use of machinery.
     

Pregnancy/Lactation:

  • Paclitaxel is not recommended for use in pregnancy. 

  • Adequate contraception should be used by both sexes during treatment, and for at least 6 months after the last dose.

  • Breastfeeding is not recommended.

  • Fertility effects: Yes

 
I - Recommended Clinical Monitoring

Treating physicians may decide to monitor more or less frequently for individual patients but should always consider recommendations from the product monograph.

Recommended Clinical Monitoring

  • CBC at baseline and before each cycle

  • Baseline and regular liver and renal function tests

  • Blood pressure and pulse rate monitoring during infusion, cardiac monitoring with prior arrhythmia

  • Clinical assessment of fever, infection, musculoskeletal, skin and nails, neurotoxicity, hypersensitivity and diarrhea; at each visit

  • Grade toxicity using the current NCI-CTCAE (Common Terminology Criteria for Adverse Events) version

Suggested Clinical Monitoring

Renal function tests (AIDS-related Kaposi's sarcoma); Baseline and before each dose


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J - Administrative Information

Approximate Patient Visit
2 hours
Pharmacy Workload (average time per visit)
18.663 minutes
Nursing Workload (average time per visit)
39.833 minutes
 
K - References

Le T, Hopkins L, Baines KA, et al. Prospective evaluations of continuous weekly paclitaxel regimen in recurrent platinum-resistant epithelial ovarian cancer. Gynecol Oncol 2006;102(1):49-53.

Markman M, Blessing J, Rubin SC, et al. Phase II trial of weekly paclitaxel (80 mg/m2) in platinum and paclitaxel-resistant ovarian and primary peritoneal cancers: a Gynecologic Oncology Group study. Gynecol Oncol 2006;101(3):436-40.

Markman M, Hall J, Spitz D, et al. Phase II trial of weekly single-agent paclitaxel in platinum/paclitaxel-refractory ovarian cancer. J Clin Oncol 2002;20(9):2365-9.

Paclitaxel drug monograph, Cancer Care Ontario.

Rosenberg P, Andersson H, Boman K, et al. Randomized trial of single agent paclitaxel given weekly versus every three weeks and with peroral versus intravenous steroid premedication to patients with ovarian cancer previously treated with platinum. Acta Oncol 2002;41(5):418-24.


PEBC Advice Documents or Guidelines

June 2021 removed paclitaxel NDFP funding info


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M - Disclaimer

Regimen Abstracts
A Regimen Abstract is an abbreviated version of a Regimen Monograph and contains only top level information on usage, dosing, schedule, cycle length and special notes (if available). It is intended for healthcare providers and is to be used for informational purposes only. It is not intended to constitute or be a substitute for medical advice, and all uses of the Regimen Abstract are subject to clinical judgment. Such information is provided on an “as-is” basis, without any representation, warranty, or condition, whether express, or implied, statutory or otherwise, as to the information’s quality, accuracy, currency, completeness, or reliability, and Cancer Care Ontario disclaims all liability for the use of this information, and for any claims, actions, demands or suits that arise from such use.
Information in regimen abstracts is accurate to the extent of the ST-QBP regimen master listings, and has not undergone the full review process of a regimen monograph.  Full regimen monographs will be published for each ST-QBP regimen as they are developed.
Regimen Monographs
Refer to the New Drug Funding Program or Ontario Public Drug Programs websites for the most up-to-date public funding information.
The information set out in the drug monographs, regimen monographs, appendices and symptom management information (for health professionals) contained in the Drug Formulary (the "Formulary") is intended for healthcare providers and is to be used for informational purposes only. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects of a particular drug, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for a given condition. The information in the Formulary is not intended to constitute or be a substitute for medical advice and should not be relied upon in any such regard. All uses of the Formulary are subject to clinical judgment and actual prescribing patterns may not follow the information provided in the Formulary.
The format and content of the drug monographs, regimen monographs, appendices and symptom management information contained in the Formulary will change as they are reviewed and revised on a periodic basis. The date of last revision will be visible on each page of the monograph and regimen. Since standards of usage are constantly evolving, it is advised that the Formulary not be used as the sole source of information. It is strongly recommended that original references or product monograph be consulted prior to using a chemotherapy regimen for the first time.
Some Formulary documents, such as the medication information sheets, regimen information sheets and symptom management information (for patients), are intended for patients. Patients should always consult with their healthcare provider if they have questions regarding any information set out in the Formulary documents.
While care has been taken in the preparation of the information contained in the Formulary, such information is provided on an “as-is” basis, without any representation, warranty, or condition, whether express, or implied, statutory or otherwise, as to the information’s quality, accuracy, currency, completeness, or reliability.
CCO and the Formulary’s content providers shall have no liability, whether direct, indirect, consequential, contingent, special, or incidental, related to or arising from the information in the Formulary or its use thereof, whether based on breach of contract or tort (including negligence), and even if advised of the possibility thereof. Anyone using the information in the Formulary does so at his or her own risk, and by using such information, agrees to indemnify CCO and its content providers from any and all liability, loss, damages, costs and expenses (including legal fees and expenses) arising from such person’s use of the information in the Formulary.