A Multicentre, Single-arm, Open-label Safety Study of Lenalidomide Plus Dexamethasone in Previously Treated Subjects With Multiple Myeloma

• Participants With Adverse Events of Special Interest: Peripheral Neuropathy [ Time Frame: up to 124 weeks ] [ Designated as safety issue: Yes ]
  Number of participants with at least one peripheral neuropathy treatment-emergent adverse event (TEAE), and number of participants reporting AEs coded to preferred terms that comprise the search terms for peripheral neuropathy in MedDRA version 9.0 are listed. A participant with multiple occurrences of a TEAE was counted only once for that category.
• Time to First Peripheral Neuropathy Treatment-Emergent Adverse Event (TEAE) [ Time Frame: up to 124 weeks ] [ Designated as safety issue: Yes ]
  Time between first dose and when a TEAE for peripheral neuropathy was reported. The mean is the univariate mean without adjusting for censoring. The treatment duration was used for censored participants.
• Participants With Adverse Events of Special Interest: Venous Thromboembolic Events [ Time Frame: up to 124 weeks ] [ Designated as safety issue: Yes ]
  Number of participants with at least one venous thromboembolic treatment-emergent adverse event (TEAE), and number of participants reporting AEs coded to preferred terms that comprise the search terms for venous thromboembolic events in MedDRA version 9.0 are listed. A participant with multiple occurrences of a TEAE was counted only once for that category.
• Time to First Venous Thromboembolic Treatment-Emergent Adverse Event (TEAE) [ Time Frame: up to 124 weeks ] [ Designated as safety issue: Yes ]
  Time between first dose and when a TEAE for venous thromboembolic event was reported. The mean is the univariate mean without adjusting for censoring. The treatment duration was used for censored participants.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Physical Functioning Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. EORTC QLQ-C30 includes functional scales (physical, role, cognitive, emotional, and social), global health status, symptom scales (fatigue, pain, nausea/vomiting), and other (dyspnoea, appetite loss, insomnia, constipation/diarrhea, and financial difficulties). Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score=better level of physical functioning.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Role Functioning Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score=better level of role functioning.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Emotional Functioning Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score = better level of emotional functioning.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Cognitive Functioning Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score = better level of cognitive functioning.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Social Functioning Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score = better level of social functioning.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Fatigue Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score for a symptom scale like the fatigue scale = higher level of symptomatology/problems.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Pain Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score for a symptom scale like the pain scale = higher level of symptomatology/problems.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Nausea/Vomiting Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score for a symptom scale like the nausea/vomiting scale = higher level of symptomatology/problems.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Constipation Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score for a symptom scale like the constipation scale = higher level of symptomatology/problems.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Diarrhea Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score for a symptom scale like the diarrhea scale = higher level of symptomatology/problems.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Insomnia Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score for a symptom scale like the insomnia scale = higher level of symptomatology/problems.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Dyspnoea Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score for a symptom scale like the dyspnoea scale = higher level of symptomatology/problems.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Appetite Loss Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score for a symptom scale like the appetite loss scale = higher level of symptomatology/problems.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Financial Problems Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score for a problem scale like the financial problems scale = higher level of financial problems.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Cancer (EORTC QLQ-C30) Global Quality of Life Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTQ QLC-C30 is a 30-item questionnaire to assess the overall quality of life in cancer patients. Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Scores are averaged, and transformed to 0-100 scale; higher score = better quality of life.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Multiple Myeloma (EORTC QLQ-MY20) Disease Symptoms Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-MY20 is a validated questionnaire to assess the overall quality of life in patients with multiple myeloma. EORTC QLQ-MY20 includes four scales: disease symptoms, treatment side-effects, future perspective, and body image. Questions used 4-point scale (1 'Not at All' to 4 'Very Much'). Scores are averaged, and transformed to 0-100 scale; higher score for the disease symptoms scale = higher level of symptomatology.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Multiple Myeloma (EORTC QLQ-MY20) Side Effects Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-MY20 is a validated questionnaire to assess the overall quality of life in patients with multiple myeloma. Questions used 4-point scale (1 'Not at All' to 4 'Very Much'). Scores are averaged, and transformed to 0-100 scale; higher score for the side effects scale = higher level of symptomatology.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Multiple Myeloma (EORTC QLQ-MY20) Future Perspective Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-MY20 is a validated questionnaire to assess the overall quality of life in patients with multiple myeloma. Questions used 4-point scale (1 'Not at All' to 4 'Very Much'). Scores are averaged, and transformed to 0-100 scale. For the future perspective scale, higher score = better perspective of the future.
• Change From Baseline to Week 24 in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire for Patients With Multiple Myeloma (EORTC QLQ-MY20) Body Image Scale [ Time Frame: Baseline (Day 0), Week 24 ] [ Designated as safety issue: No ]
  EORTC QLQ-MY20 is a validated questionnaire to assess the overall quality of life in patients with multiple myeloma. Questions used 4-point scale (1 'Not at All' to 4 'Very Much'). Scores are averaged, and transformed to 0-100 scale. For the body image scale, higher scores = better body image.

• Safety
• Quality of life assessment

This is a multi-centre, single-arm treatment study combining lenalidomide plus high dose dexamethasone.

Subjects who qualify for participation will receive lenalidomide plus high dose dexamethasone in 4 week cycles. Subjects will be seen every 2 weeks for the first 3 cycles of therapy and then every 4 weeks after the third cycle until disease progression is documented, study drug is discontinued for any reason or lenalidomide becomes commercially available for this indication. Assessments of safety and quality of life are performed during the study.

• Drug: Lenalidomide
  Oral lenalidomide at a dose of 25 mg daily for 21 days every 28 days. Treatment as tolerated until disease progression, drug became commercially available or limited to 6 treatment cycles.
  Other Name: Revlimid
• Drug: Dexamethasone
  Oral pulse dexamethasone at a dose of 40 mg daily on days 1-4, 9-12, and 17-20 for each 28-day-cycle for cycles 1 through 4. Beginning cycle 5, a maintenance dose of dexamethasone (40 mg QD) was administered on Days 1 to 4 of each 28-day cycle.

Inclusion Criteria:

• Must be diagnosed with multiple myeloma that is progressing after at least 2 cycles of anti-myeloma treatment or that has relapsed with progressive disease after treatment.
• Subjects must discontinue all anti-myeloma drug or non-drug therapy prior to the first dose of study drug with the exception of radiation therapy initiated prior to baseline.
• Females of childbearing potential must agree to use two reliable forms of contraception simultaneously or to practice complete abstinence.

Exclusion Criteria:

• Pregnant or lactating females