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Table 4 Cost of primary medication, medication for medical castration, bone-targeted therapy per patient, by line of treatment of mCRPC

From: Drug costs in the management of metastatic castration-resistant prostate cancer in Canada

Treatment sequence

Primary medication

Medication for medical castration*

Bone-targeted therapy**

Total

Current model

Mean cost (95%CI)

Median cost (IQR)

Mean cost (95%CI)

Median cost (IQR)

Mean cost (95%CI)

Median cost (IQR)

Mean cost (95%CI)

Median cost (IQR)

AA

$500

$410

$3,002

$2,467

$4,485

$3,686

$7,988

$6,563

($495-$505)

($293-$705)

($2,972-$3,032)

($1,762-$4,229)

($4,440-$4,530)

($2,633-$6,318)

($7,907-$8,067)

($4,688-$11,251)

AAwd

$0

$0

$1,526

$1,409

$2,280

$2,106

$3,806

$3,515

  

($1,513-$1,538)

($1,057-$2,114)

($2,261-$2,299)

($1,580-$3,159)

($3,775-$3,837)

($2,636-$5,273)

Docetaxel

$6,172

$6,124

$2,487

$2,467

$3,715

$3,686

$12,374

$12,277

($6,126-$6,219)

($6,124-$6,999)

($2,467-$2,506)

($2,467-$2,819)

($3,687-$3,743)

($3,686-$4,212)

($12,280-$13,468)

($12,277-$14,031)

Abiraterone

$34,624

$31,040

$3,538

$3,172

$5,285

$4,739

$43,448

$38,950

($34,032-$35,217)

($13,796-$58,631)

($3,477-$3,599)

($1,409-$5,991)

($5,195-$5,376)

($2,106-$8,950)

($42,706-$44,192)

($17,311-$73,573)

OtherTx

$0

$0

$5,130

$5,287

$7,664

$7,898

$12,794

$13,184

  

($5,021-$5,239)

($2,115-$8,459)

($7,501-$7,862)

($3,159-$12,636)

($12,523-$13,065)

($5,274-$21,095)

Alternate model

        

AA

$504

$470

$3,025

$2,819

$4,519

$4,212

$8,049

$7,501

($498-$509)

($294-$704)

($2,995-$3,055)

($1,762-$4,229)

($4,474-$4,564)

($2,632-$6,318)

($7,968-$8,128)

($4,688-$11,251)

AAwd

$0

$0

$1,541

$1,410

$2,303

$2,106

$3,844

$3,515

  

($1,529-$1,554)

($1,057-$2,115)

($2,283-$2,321)

($1,580-$3,159)

($3,812-$3,874)

($2,637-$5,273)

Abiraterone

$69,512

$65,531

$7,103

$6,697

$10,611

$10,003

$87,227

$82,231

($68,593-$70,431)

($31,041-$120,715)

($7,009-$7,197)

($3,172-$12,335)

($10,470-$10,751)

($4,738-$18,428)

($86,073-$88,381)

($38,952-$151,478)

Docetaxel

$6,143

$6,118

$2,477

$2,467

$3,701

$3,686

$12,321

$12,271

($6,083-$6,203)

($6,118-$6,992)

($2,453-$2,501)

($2,467-$2,819)

($3,665-$3,737)

($3,686-$4,212)

($12,201-$12,441)

($12,271-$14,024)

Cabazitaxel

$49,131

$43,125

$2,007

$1,762

$2,999

$2,632

$54,138

$47,519

($48,366-$49,895)

($34,500-$60,375)

($1,977-$2,038)

($1,409-$2,467)

($2,952-$3,046)

($2,106-$3,685)

($53,295-$54,980)

($38,016-$66,528)

OtherTx

$0

$0

$5,300

$5,639

$7,918

$8,424

$13,217

$14,063

  

($5,186-$5,414)

($2,467-$8,459)

($7,747-$8,087)

($3,685-12,636)

($12,933-$13,501)

($6,153-$21,095)

  1. Abbreviations: 95%CI 95% confidence interval, IQR Interquartile range, AA Anti-androgen, AAwd Anti-androgen withdrawal, OtherTx Other treatments.
  2. *assuming that only 95% of patients have received medication for medical castration; **assuming that only 90% of patients have received bone-targeted therapy.