Stakeholder Insight: Chronic Leukemias - Is there room left for improvement?

Stakeholder Insight: Chronic Leukemias - Is there room left for improvement?

ABOUT DATAMONITOR HEALTHCARE 2

About the Oncology pharmaceutical analysis team 2

CHAPTER 1 EXECUTIVE SUMMARY 3

Scope of the analysis 3

Datamonitor insight into the chronic leukemias market 3

Datamonitor insight into the CLL market 3

Datamonitor insight into the CML market 4

Contributing experts 5

Related reports 6

Upcoming reports 6

CHAPTER 2 INTRODUCTION AND SCOPE 8

Coverage of the Stakeholder Insight Survey 8

Disease definition and epidemiology 8

Segmentation of the chronic leukemia population 8

Current drug treatment practice for CLL and CML 8

Key unmet needs within the CLL and CML market 9

Potential of pipeline drugs for CLL and CML 9

CHAPTER 3 COUNTRY TREATMENT TREES 10

Introduction 10

CLL country treatment trees 10

US 12

Japan 15

France 18

Germany 21

Italy 24

Spain 27

UK 30

CML country treatment trees 33

US 35

Japan 37

France 39

Germany 41

Italy 43

Spain 45

UK 47

CHAPTER 4 CLL: DISEASE OVERVIEW, EPIDEMIOLOGY AND PATIENT SEGMENTATION 49

Introduction 49

CLL is an incurable disease characterized by an accumulation of mature B-lymphocytes 49

Most CLL patients are asymptomatic at presentation 49

Etiology of CLL is poorly understood 50

Epidemiology of CLL 51

Incidence of leukemia subtypes in the seven major markets 51

CLL is the most commonly diagnosed subtype of leukemia in the seven major markets 51

Forecast incidence of CLL in the seven major markets, 2008-2017 53

Age distribution of CLL incidence rates 55

Segmentation of the CLL population 57

The Rai and Binet staging systems 57

US and Japan physicians most commonly use Rai system; EU physicians most commonly use Binet system 57

Disease stage at presentation 59

The majority of CLL patients have early-stage disease at diagnosis 59

Identification of high-risk patients 63

CHAPTER 5 CLL: TREATMENT TRENDS AND TREATMENT OUTCOMES 65

Overview of CLL treatment options 65

Summary of agents used to treat CLL 65

Key clinical trial data 67

Ribomustin/Treanda (bendamustine; Astellas/Cephalon) 67

Chlorambucil 68

Fludarabine 69

Campath (alemtuzumab; Takeda/Genzyme/Bayer Schering) 70

Rituxan/MabThera (rituximab; Biogen Idec/Genentech/Roche/Zenyaku Kogyo) 74

Summary of CLL treatment strategies 79

Physicians commonly initiate first-line treatment after a period of observation 79

First-line treatment choices depend on several factors 80

Treatment choices for relapsed CLL depend on outcome for first-line therapy 80

Treatment of refractory CLL is challenging 81

Percentage of patients receiving treatment 82

Rai Stage 0 82

The majority of Rai Stage 0 patients do not receive anti-cancer drug therapy 83

Rai Stage I-II 84

Over half of Rai Stage I-II patients receive anti-cancer treatment 85

Rai Stage III-IV 85

The majority of Rai Stage III-IV patients receive treatment immediately after diagnosis 87

Duration of observation 88

Duration of observation before initiation of treatment depends strongly on disease stage 89

First-line treatment trends 90

Use of first-line regimens by Rai Stage 90

Rai Stage 0 90

Rai Stage I-II 94

Rai Stage III-IV 98

There is no firmly established stand-of-care for first-line treatment of CLL 102

Off-label use of Rituxan-containing regimens is more common in the US than in the 5EU and Japan 104

Toxicity concerns, skepticism over the Phase III trial and limited awareness of suitable candidates for treatment have limited uptake of Campath for first-line CLL 105

Use of first-line regimens by country 107

US 108

Japan 109

France 112

Germany 114

Italy 116

Spain 118

UK 120

First-line treatment outcomes 122

Response criteria 122

Rai Stage 0 122

50% of treated Rai Stage 0 patients achieve a complete remission 125

Rai Stage I-II 126

CR rates for Rai Stage I-II correlate with the use of FCR 128

Rai Stage III-IV 129

Higher remission rates for Rai Stage III-IV CLL in the US correlate with commonplace use of FCR 131

Second-line treatment trends 132

Percentage of patients progressing to second-line therapy 132

The majority of late-stage CLL patients progress to a second-line regimen 133

Second-line regimens 134

More than half of second-line patients receive a Rituxan-containing regimen 138

Toxicity profile and low efficacy in some patients have restricted second-line uptake of Campath to modest levels 139

Second-line treatment trends by regimen prescribed initially 140

A high percentage of physicians use second-line Campath after FCR or FC 141

Second-line treatment outcomes 142

Modest treatment outcomes highlight the need for more effective second-line therapy 142

Third-line treatment trends 145

Percentage of patients progressing to third-line therapy 145

Approximately half of second-line patients progress to a third-line regimen 146

Third-line regimens 146

Single-agent Campath is the most commonly used third-line regimen, although Rituxan-based regimens are more commonly used overall 150

Third-line treatment outcomes 151

Over 40% of patients do not achieve a partial remission or complete remission after third-line therapy 151

Further lines of therapy 153

The majority of third-line patients receive no further treatment 153

CHAPTER 6 CLL: PRESCRIBING INFLUENCES AND BRAND ASSESSMENT 155

Factors influencing prescribing decisions in CLL 155

Efficacy is the most important prescribing influence for CLL 155

Physician perception of approved and late-phase pipeline CLL therapies 156

Physicians perceive Campath to be the most effective CLL drug 158

Toxicity and safety for extended use is rated highest for Rituxan 159

Rituxan scores higher than Campath for most other attributes 159

Brand map overview of attributes and drug perception in CLL 159

Interpreting a brand map 159

CHAPTER 7 CLL: UNMET NEEDS 162

Ranking of unmet needs in CLL 162

Curative treatment is the biggest unmet need in CLL 162

CHAPTER 8 CLL: LATE-PHASE PIPELINE OVERVIEW 164

Products in Phase III development for CLL 164

Genasense (Oblimersen; Genta) 164

Drug overview 164

Key historical events 165

Datamonitor comments 167

Approval of Genasense is looking increasingly unlikely 167

Termination of agreement with Sanofi-Aventis is a major setback for Genta 168

Lumiliximab (Anti-CD23 MAb; Biogen Idec) 168

Drug overview 168

Key historical events 169

Clinical trial data 170

The addition of lumiliximab to the FCR regimen may produce a higher response rate without additional toxicity 170

Datamonitor comments 173

Lumiliximab on course to become an established addition to the standard treatment for CLL 173

Biogen Idec should look to investigate Lumiliximab as a maintenance therapy 174

Ofatumumab (HuMax-CD20; Genmab/GlaxoSmithKline) 175

Drug overview 175

Genmab hoping ofatumumab will demonstrate a preferred efficacy profile over Rituxan in the clinic 175

Key historical events 176

Clinical trial data 177

Ofatumumab receives Fast Track status for CLL and enters a Phase III trial 178

Datamonitor comments 179

Targeting underserved CLL patients may enhance ofatumumab's uptake in the market 179

CHAPTER 9 CML: DISEASE OVERVIEW, EPIDEMIOLOGY AND PATIENT SEGMENTATION 181

Introduction 181

CML is characterized by a single genetic aberration 181

CML patients are commonly asymptomatic at presentation 183

Etiology of CML is unknown 183

Epidemiology of CML 184

Incidence of leukemia subtypes in the seven major markets 184

CML is the third most commonly diagnosed subtype of leukemia in the seven major markets 184

Forecast incidence of CML in the seven major markets, 2008-2017 187

Age distribution of CML incidence rates 189

The incidence rate of CML increases with age 189

Segmentation of the CML population 191

CML has a triphasic or biphasic disease course 191

Disease stage at presentation 193

The majority of CML patients present with chronic phase disease 193

CHAPTER 10 CML: TREATMENT TRENDS AND TREATMENT OUTCOMES 195

Overview of CML treatment options 195

Summary of agents used to treat CML 195

Definition of CML treatment outcomes 196

Key CML clinical trial data 196

Gleevec (imatinib; Novartis) 196

Sprycel (dasatinib; Bristol-Myers Squibb) 199

Tasigna (nilotinib; Novartis) 205

Summary of CML treatment strategies 209

Gleevec is standard-of-care for first-line chronic phase CML but there is no firm consensus for accelerated phase or blast crisis patients 209

Options for Gleevec resistance include increasing the dose of Gleevec, switching to a second-generation TKI and stem cell transplantation 210

Treatment trends for chronic phase CML first-line therapy 211

Regimens 211

Gleevec is the firmly established standard-of-care across all seven major markets for first-line chronic phase CML 211

Dosing 213

400mg daily is by far the most-commonly used dose used for first-line Gleevec in chronic phase CML 213

First-line therapy treatment outcomes 215

Over 25% of patients who achieve complete response eventually show secondary Gleevec-resistance 217

Treatment trends for Gleevec resistance 221

Primary Gleevec resistance 221

Increasing the Gleevec dose is the most commonly used treatment approach for primary Gleevec resistance 221

Secondary Gleevec resistance 223

Switching to Sprycel or Tasigna is common for secondary Gleevec resistance 224

Use of cytogenetic testing correlates with switching from Gleevec 225

Sprycel's first-to-market advantage gives it higher market penetration than Tasigna 227

Treatment trends for accelerated phase CML 228

Percentage of patients progressing to accelerated phase CML 228

Regimens 229

High-dose Gleevec remains more popular than switching to Sprycel or Tasigna for accelerated phase CML 229

Treatment trends for blast crisis CML 233

Percentage of patients progressing to blast crisis CML 233

Regimens 235

Commonplace use of acute leukemia-type chemotherapy regimens reduces the markets' share of tyrosine kinase inhibitors for blast crisis CML 235

CHAPTER 11 CML: PRESCRIBING INFLUENCES AND BRAND ASSESSMENT 238

Factors influencing prescribing decisions in CML 238

Efficacy is the most important prescribing influence for CML 238

Physician perception of approved and late-phase pipeline CML therapies 240

Physicians find it hard to differentiate between Gleevec, Sprycel and Tasigna in terms of efficacy 241

Gleevec judged to have the most favorable toxicity profile; Tasigna scores higher than Sprycel 242

Cost 243

Tasigna's dosing schedule is considered less convenient than Gleevec and Sprycel 244

Future-based scenarios in the CML market 245

Physicians are undecided over which second-generation tyrosine kinase inhibitor will become the most popular 245

Tasigna and Sprycel are likely to achieve increased uptake in the first-line but may not displace Gleevec as standard of care 246

Brand map overview of attributes and drug perception in CML 247

Interpreting a brand map 247

CHAPTER 12 CML: UNMET NEEDS 249

Ranking of unmet needs in CML 249

Blast crisis is the greatest area of unmet need in CML but may not be the most commercially attractive 249

Gleevec resistance remains an area of high unmet need 250

CHAPTER 13 CML: LATE-PHASE PIPELINE OVERVIEW 253

Products in Phase III development for CML 253

Bosutinib (SKI-606; Wyeth) 254

Drug overview 254

Key historical events 254

Clinical trial data 255

Bosutinib Phase II results in Gleevec-resistant/intolerant chronic phase CML 255

Bosutinib Phase II results in Gleevec-resistant/intolerant accelerated phase and blast crisis CML and Ph+ ALL 257

Datamonitor comments 259

Like the other tyrosine kinase inhibitors, bosutinib appears ineffective in patients harboring the T315I mutation - a key driver of resistance 259

Bosutinib trying to catch up with Sprycel and Tasigna in the race to replace Gleevec in the front-line setting 259

Ceflatonin (Myelostat; ChemGenex Pharmaceuticals) 260

Drug overview 260

Key historical events 261

Clinical trial data 262

Ceflatonin targeting Gleevec-resistant patients 262

Datamonitor comments 267

Despite convincing clinical benefit, Ceflatonin will face strong competition from Sprycel and Tasigna 267

BIBLIOGRAPHY 268

Journal papers 268

Websites 275

Other 277

APPENDIX A 278

List of tables 278

List of figures 278

Abbreviations 279

Exchange rates 281

Second-line treatment trends by regimen prescribed initially: full seven major market data 282

US 282

Japan 283

France 284

Germany 285

Italy 286

Spain 287

UK 288

Physician research methodology 289

Physician sample breakdown 289

US 289

Japan 290

France 290

Germany 291

Italy 292

Spain 293

UK 294

Contributing experts 295

APPENDIX B 296

The survey questionnaire 296

Introduction 296

Section 1 - Chronic Lymphocytic Leukemia: Patient Segmentation 296

Section 2 - Chronic Lymphocytic leukemia: Treatment 298

Section 3 - Chronic Lymphocytic Leukemia: Product Profiles / Pipeline Products 311

Section 4 - Chronic Myeloid Leukemia: Patient Segmentation 315

Section 5 - Chronic Myelogenous Leukemia: Treatment 318

Section 6 - Chronic Myelogenous Leukemia: Product Profiles / Pipeline Products 330

Demographics 333

About Datamonitor 335

About Datamonitor Healthcare 335

Disclaimer 337

Disclaimer 337

</p>>!!