I was diagnosed in February 2012 and have been doing well on Sprycel until plural effusion developed in November 2015. Tried reducing my dosage, but reappeared so have been off for about 22 days. Bloodwork results today good at undetectable. My Onc wants to put me on Tasigna, but the prolonged QT interval possible side effect worries me. Anyone have this side effect and if so, did you feel any symptoms or even have that side effect? Any advice? I don't recall why he didn't suggest Gleevec. I go back to discuss further in a week. I have an echocardiogram and EKG scheduled Monday then he will plan an EKG after a week and then again after a month.
Tasigna & Prolonged QT interval.
Started by
mscl
, Jan 12 2016 09:22 PM
8 replies to this topic
#1
mscl
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Posted 12 January 2016 - 09:22 PM
Dx 2/10/12.
Sprycel 100. mg.
10/2015, Pleural effusions, both sides, about a 3-4 week break in Rx, reduced to 70 mg.
PEs, weren't completely gone, started building back up, about a 6-8 week break in Rx.
01/2016, Reduced to sprycel 50 mg.
10/2016, developed severe skin rash, mainly upper arms and upper legs, smaller rashes on lower arms, lower legs, upper back/neck. Rx break of about 6 weeks.
1/25/17, reduced to Sprycel 20 mg.
7/19/17, still at 20 mg Sprycel, undetectable.
11/9/17, 20 mg Sprycel, undetectable.
Sprycel 100. mg.
10/2015, Pleural effusions, both sides, about a 3-4 week break in Rx, reduced to 70 mg.
PEs, weren't completely gone, started building back up, about a 6-8 week break in Rx.
01/2016, Reduced to sprycel 50 mg.
10/2016, developed severe skin rash, mainly upper arms and upper legs, smaller rashes on lower arms, lower legs, upper back/neck. Rx break of about 6 weeks.
1/25/17, reduced to Sprycel 20 mg.
7/19/17, still at 20 mg Sprycel, undetectable.
11/9/17, 20 mg Sprycel, undetectable.
#2
Tucker1
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Posted 12 January 2016 - 10:45 PM
I was on Tasigna for 4 and a half years. My onc. Had me do regular ECG. I did develop QT prolongation about 4 years in . My dose was cut by half numbers stayed good (PCR) for about 6 months but the OT returned so I was taken off Tasigna. I did not feel any symptoms, I was/am fatigued but aren't we all to a certain extent. The prolongation went away quickly after stopping the drug.
Dx: 11/2004 intermediate risk 400 mg Gleevec
11/2005 partial cytogenetic response PCR 6.3
Clinical trial Sprycel 50mg 2x daily 12/05
11/06 PCR weak positive
10/07 PCR undetectable
12/08 PCR .017
Recurring colitis from Sprycel
11/09 Tasigna PCR .0075 200 mg 2x daily
11/10 PCR .078 400 mg 2x daily
11/11PCR weak positive
2/12 PCR. .15 decrease 200 mg 2x (QT prolongation)
Dosage changes until 2015 QT recurrent PCR .004
7/15 bosulif 500 mg
Liver toxicity discontinued bosulif PCR .025
Restart bosulif 100mg
12/15 PCR .714
Increase bosulif slowly
2/16 PCR.5
5/16 PCR .000 bosuitinib 400mg
8/16 PCR .027 Bosuitinib 300mg
10/16 PCR .117 Bosuitinib 300mg
1/17 PCR .243 Bousitinib 300mg
4/17 PCR .403
11/2005 partial cytogenetic response PCR 6.3
Clinical trial Sprycel 50mg 2x daily 12/05
11/06 PCR weak positive
10/07 PCR undetectable
12/08 PCR .017
Recurring colitis from Sprycel
11/09 Tasigna PCR .0075 200 mg 2x daily
11/10 PCR .078 400 mg 2x daily
11/11PCR weak positive
2/12 PCR. .15 decrease 200 mg 2x (QT prolongation)
Dosage changes until 2015 QT recurrent PCR .004
7/15 bosulif 500 mg
Liver toxicity discontinued bosulif PCR .025
Restart bosulif 100mg
12/15 PCR .714
Increase bosulif slowly
2/16 PCR.5
5/16 PCR .000 bosuitinib 400mg
8/16 PCR .027 Bosuitinib 300mg
10/16 PCR .117 Bosuitinib 300mg
1/17 PCR .243 Bousitinib 300mg
4/17 PCR .403
#3
kavis
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Posted 13 January 2016 - 08:15 AM
I'm a year into Tasigna, nothing abnormal yet on my EKG. My onc says that the statistics of QT are skewed towards people that had heart issues/risks before they were diagnosed, making it a very slight risk for the healthy heart group.
Male, Dx Jan '15 in Chronic Phase at age 35
Tasigna 600mg
PCR highlights:
1/10/15 - 74.8%
April '15 - 1.7%
Oct '15 - 0.48%
Mar '16 - 0.24%
Apr '16 - 0.08%
July '16 - 0.09%
Oct '16 - 0.06%
Jan '17 - 0.0684%
April '17 - 0.08233%
July '17 - 0.034407%
Oct '17 - 0.043
Jan '18 - 0.028
#4
rcase13
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Posted 13 January 2016 - 08:29 AM
15 months here on Tasigna with constant EKG and Echo cardiograms. All normal right now.
Still not PCRU.
Been holding at around 0.01% now for over a year.
Still not PCRU.
Been holding at around 0.01% now for over a year.
10/01/2014 100% Diagnosis (WBC 278k, Blasts 6%, Spleen extended 20cm)
01/02/2015 0.06% Tasigna 600mg
04/08/2015 0.01% Tasigna 600mg
07/01/2015 0.01% Tasigna 600mg
10/05/2015 0.02% Tasigna 600mg
01/04/2016 0.01% Tasigna 600mg
04/04/2016 PCRU Tasigna 600mg
07/18/2016 PCRU Tasigna 600mg
10/12/2016 PCRU Tasigna 600mg
01/09/2017 PCRU Tasigna 600mg
04/12/2017 PCRU Tasigna 600mg
10/16/2017 PCRU Tasigna 600mg
01/15/2018 PCRU Tasigna 600mg
Cancer Sucks!
#5
mscl
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Posted 13 January 2016 - 07:17 PM
Rcase13, how often do you have echo and EKG?
Dx 2/10/12.
Sprycel 100. mg.
10/2015, Pleural effusions, both sides, about a 3-4 week break in Rx, reduced to 70 mg.
PEs, weren't completely gone, started building back up, about a 6-8 week break in Rx.
01/2016, Reduced to sprycel 50 mg.
10/2016, developed severe skin rash, mainly upper arms and upper legs, smaller rashes on lower arms, lower legs, upper back/neck. Rx break of about 6 weeks.
1/25/17, reduced to Sprycel 20 mg.
7/19/17, still at 20 mg Sprycel, undetectable.
11/9/17, 20 mg Sprycel, undetectable.
Sprycel 100. mg.
10/2015, Pleural effusions, both sides, about a 3-4 week break in Rx, reduced to 70 mg.
PEs, weren't completely gone, started building back up, about a 6-8 week break in Rx.
01/2016, Reduced to sprycel 50 mg.
10/2016, developed severe skin rash, mainly upper arms and upper legs, smaller rashes on lower arms, lower legs, upper back/neck. Rx break of about 6 weeks.
1/25/17, reduced to Sprycel 20 mg.
7/19/17, still at 20 mg Sprycel, undetectable.
11/9/17, 20 mg Sprycel, undetectable.
#6
rcase13
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Posted 13 January 2016 - 09:24 PM
EKG every three months and the Echo every year.
10/01/2014 100% Diagnosis (WBC 278k, Blasts 6%, Spleen extended 20cm)
01/02/2015 0.06% Tasigna 600mg
04/08/2015 0.01% Tasigna 600mg
07/01/2015 0.01% Tasigna 600mg
10/05/2015 0.02% Tasigna 600mg
01/04/2016 0.01% Tasigna 600mg
04/04/2016 PCRU Tasigna 600mg
07/18/2016 PCRU Tasigna 600mg
10/12/2016 PCRU Tasigna 600mg
01/09/2017 PCRU Tasigna 600mg
04/12/2017 PCRU Tasigna 600mg
10/16/2017 PCRU Tasigna 600mg
01/15/2018 PCRU Tasigna 600mg
Cancer Sucks!
#7
mscl
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Posted 19 January 2016 - 07:52 PM
I was on Tasigna for 4 and a half years. My onc. Had me do regular ECG. I did develop QT prolongation about 4 years in . My dose was cut by half numbers stayed good (PCR) for about 6 months but the OT returned so I was taken off Tasigna. I did not feel any symptoms, I was/am fatigued but aren't we all to a certain extent. The prolongation went away quickly after stopping the drug.
Dx 2/10/12.
Sprycel 100. mg.
10/2015, Pleural effusions, both sides, about a 3-4 week break in Rx, reduced to 70 mg.
PEs, weren't completely gone, started building back up, about a 6-8 week break in Rx.
01/2016, Reduced to sprycel 50 mg.
10/2016, developed severe skin rash, mainly upper arms and upper legs, smaller rashes on lower arms, lower legs, upper back/neck. Rx break of about 6 weeks.
1/25/17, reduced to Sprycel 20 mg.
7/19/17, still at 20 mg Sprycel, undetectable.
11/9/17, 20 mg Sprycel, undetectable.
Sprycel 100. mg.
10/2015, Pleural effusions, both sides, about a 3-4 week break in Rx, reduced to 70 mg.
PEs, weren't completely gone, started building back up, about a 6-8 week break in Rx.
01/2016, Reduced to sprycel 50 mg.
10/2016, developed severe skin rash, mainly upper arms and upper legs, smaller rashes on lower arms, lower legs, upper back/neck. Rx break of about 6 weeks.
1/25/17, reduced to Sprycel 20 mg.
7/19/17, still at 20 mg Sprycel, undetectable.
11/9/17, 20 mg Sprycel, undetectable.
#8
JPD
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Posted 20 January 2016 - 12:14 PM
Don't let it worry you. Just get an EKG every 3 mos. On the other hand, when I asked my Onc about it he just said "you're heart will just beat real fast and then you will die" LOL 
January 15: .53%
April 15: .78%
July 15: 1.1% - upped dosage to 400mg after this test
Oct 15: .85%
December 15: .28%
March 16: .29%
July 16: .34%
October 16: .11%
January 17: .081%
April 17: .055%
July 17: .135%
Oct 17: .008%
#9
hannibellemo
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Posted 20 January 2016 - 05:58 PM
Oh, good, JPD, at least you won't linger or suffer! 
Pat
"You can't change the direction of the wind but you can adjust your sails."
DX 12/08; Gleevec 400mg; liver toxicity; Sprycel 100mg.; CCyR 4/10; MMR 8/10; Pleural Effusion 2/12; Sprycel 50mg. Maintaining MMR; 2/15 PCRU; 8/16 drifting in and out of undetected like a wave meeting the shore. Retired 12/23/2016! 18 months of PCRU, most recent at Mayo on 7/25/17 was negative at their new sensitivity reporting of 0.003.<p>
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