Neoplasms

Blood and Lymph Conditions

Immune System Diseases

All Conditions

Infections

Rare Diseases

Lymphoma

Lymphoma, T-Cell

Lymphoma, T-Cell, Peripheral

Mycoses

Mycosis Fungoides

Lymphoma, T-Cell, Cutaneous

Neoplasms by Histologic Type

Lymphoproliferative Disorders

Lymphatic Diseases

Immunoproliferative Disorders

Lymphoma, Non-Hodgkin

Lymphosarcoma

Peripheral T-cell Lymphoma

Cutaneous T-cell Lymphoma

Antineoplastic Agents

All Drugs and Chemicals

Bexarotene

Participants will receive bexarotene 150 mg/m\^2/day once daily for 24 weeks.

Participants will receive bexarotene 300 mg/m\^2/day once daily for 24 weeks.

Soft gelatin capsules to be taken orally with at least 6 ounces of water or other fluid either with or immediately following the evening meal (a moderate or full meal) or a nutritionally defined liquid food.

Mandeep Kaur, MD

This is a multicenter, randomized, open-label, Phase IV study to assess the efficacy, tolerability, and safety of 2 initial dose levels of bexarotene capsules in participants with refractory CTCL.

Study Evaluating Two Dose Levels of Targretin Capsules in Participants With Refractory Cutaneous T-Cell Lymphoma (CTCL)

Phase IV Randomized Study of Two Dose Levels of Targretin® Capsules in Subjects With Refractory Cutaneous T-Cell Lymphoma

Index lesion symptoms/grade include: erythema=0 (no evidence)-8 (very severe); scaling=0 (no evidence)-8 (very severe); plaque elevation=0 (no evidence)-8 (extreme elevation); hypopigmentation/hyperpigmentation=0 (no evidence of change)-8 (very severe change); area of involvement=0 (0 centimeters \[cm\]\^2)-18 (\>300 cm\^2). CA generated by sum of grades of signs/symptoms for each index lesion. Index lesion CA grade at baseline was divided into CA grade at each subsequent study visit to determine participant's response to treatment. Ratio of CA \<1.0=improvement in disease; ratio \>1.0=worsening of disease. Tumor response as determined by CA=percentage of participants achieving CR (CA ratio=0, no clinically abnormal lymph nodes, and absence of histologic signs of CTCL); CCR (CA ratio=0 and no clinically abnormal lymph nodes); and PR (CA ratio=≤0.5, \<25% increase in number/aggregate area of abnormal lymph nodes/tumors, and no new abnormal lymph nodes in documented area of absence of disease).

The PGA was an assessment of the overall extent of improvement/worsening from Baseline of the participant's overall disease compared with the condition every 4 weeks thereafter during treatment. CR=PGA grade of 0 (completely clear of disease since Baseline) and absence of histologic signs of CTCL. CCR=PGA grade of 0. PR=PGA grade of 1 (almost clear \[≥90%-\<100%\] of disease since Baseline), 2 (marked improvement \[≥75%-\<90%\] of disease since Baseline), 3 (moderate improvement \[≥50%-\<70%\] of disease since Baseline). Stable Disease (SD)=PGA grade of 4 (slight improvement \[\<25%-\<50%\] of disease since Baseline) or 5 (no change in disease \[+/-\<25% change since Baseline\]). Progressive Disease (PD)=PGA grade of 6 (worse disease \[≥25%\] than at baseline). If visceral disease or an abnormal lymph node was located in a documented area of absence of disease, then PD would be reported for the participant.

To determine BSA involvement, the area of the participant's palm was defined as 1% of the participant's BSA. The extent of involvement of disease was determined as multiples of the participant's palm area and expressed as a percentage of the participant's total BSA at Baseline (Day 1) and every 4 weeks thereafter during treatment. CR=percent BSA 0% and documented absence of histologic signs of CTCL. CCR=Percent BSA 0%. PR=a decrease from Baseline in percent BSA of at least 50%. SD=none of the response classifications (that is, CR, CCR, PR, or PD) accurately describe the disease status. PD=an increase from Baseline in percent BSA of at least 25%.

Defined as time interval from onset of response to time participant relapses or last date of data collected with an assessment of participant still meeting response criteria. Index lesion symptoms/grade: erythema/scaling=0 (no evidence)-8 (very severe); plaque elevation=0 (no evidence)-8 (extreme elevation); hypopigmentation/hyperpigmentation=0 (no evidence)-8 (very severe change); area of involvement=0 (0 cm\^2)-18 (\>300 cm\^2). CA: sum of signs/symptoms grades for index lesion. Index lesion CA grade at baseline divided into CA grade at study visit to determine treatment response. CA Ratio \<1.0=improvement and \>1.0=worsening of disease. Tumor response=percentage of participants with CR (CA ratio=0, no clinically abnormal lymph nodes, absence of CTCL histologic signs); CCR (CA ratio=0; no clinically abnormal lymph nodes); PR (CA ratio=≤0.5, \<25% increase in number/aggregate area of abnormal lymph nodes/tumors, no new abnormal lymph nodes in documented area of absence of disease).

Defined as time interval from onset of response to time participant relapses or last date of data collected with an assessment of participant still meeting response criteria. PGA was an assessment of the overall extent of improvement/worsening from Baseline of the participant's overall disease compared with the condition every 4 weeks thereafter during treatment. CR=PGA grade of 0 (completely clear of disease since Baseline) and absence of histologic signs of CTCL. CCR=PGA grade of 0. PR=PGA grade of 1 (almost clear \[≥90%-\<100%\] of disease since Baseline), 2 (marked improvement \[≥75%-\<90%\] of disease since Baseline), 3 (moderate improvement \[≥50%-\<70%\] of disease since Baseline).

Defined as time interval from onset of response to time participant relapses or last date of data collected with an assessment of participant still meeting response criteria. To determine BSA, the area of the participant's palm was defined as 1% of the participant's BSA. The extent of involvement of disease was determined as multiples of the participant's palm area and expressed as a percentage of the participant's total BSA at Baseline (Day 1) and every 4 weeks thereafter during treatment. CR=percent BSA 0% and documented absence of histologic signs of CTCL. CCR=Percent BSA 0%. PR=a decrease from Baseline in percent BSA of at least 50%.

Defined as time interval from first day of bexarotene treatment to time of first observation when participant met the criteria of CR, CCR, or PR. Index lesion symptoms/grade: erythema/scaling=0 (no evidence)-8 (very severe); plaque elevation=0 (no evidence)-8 (extreme elevation); hypopigmentation/hyperpigmentation=0 (no evidence)-8 (very severe change); and area of involvement=0 (0 cm\^2)-18 (\>300 cm\^2). CA: sum of signs/symptoms grades for index lesion. Index lesion CA grade at baseline divided into CA grade at study visit to determine treatment response. CA Ratio \<1.0=improvement and \>1.0=worsening of disease. Tumor response=percentage of participants with CR (CA ratio=0, no clinically abnormal lymph nodes, and absence of CTCL histologic signs); CCR (CA ratio=0 and no clinically abnormal lymph nodes); and PR (CA ratio=≤0.5, \<25% increase in number/aggregate area of abnormal lymph nodes/tumors, and no new abnormal lymph nodes in documented area of absence of disease).

Defined as time interval from first day of bexarotene treatment to time of first observation when participant met the criteria of CR, CCR, or PR. PGA was an assessment of the overall extent of improvement/worsening from Baseline of the participant's overall disease compared with the condition every 4 weeks thereafter during treatment. CR=PGA grade of 0 (completely clear of disease since Baseline) and absence of histologic signs of CTCL. CCR=PGA grade of 0. PR=PGA grade of 1 (almost clear \[≥90%-\<100%\] of disease since Baseline), 2 (marked improvement \[≥75%-\<90%\] of disease since Baseline), 3 (moderate improvement \[≥50%-\<70%\] of disease since Baseline).

Defined as time interval from first day of bexarotene treatment to time of first observation when participant met the criteria of CR, CCR, or PR. To determine BSA, the area of the participant's palm was defined as 1% of the participant's BSA. The extent of involvement of disease was determined as multiples of the participant's palm area and expressed as a percentage of the participant's total BSA at Baseline (Day 1) and every 4 weeks thereafter during treatment. CR=percent BSA 0% and documented absence of histologic signs of CTCL. CCR=Percent BSA 0%. PR=a decrease from Baseline in percent BSA of at least 50%.

Defined as time interval from first day of bexarotene treatment to time of first observation when participant met criteria for PD. Index lesion symptoms/grade: erythema/scaling=0 (no evidence)-8 (very severe); plaque elevation=0 (no evidence)-8 (extreme elevation); hypopigmentation/hyperpigmentation=0 (no evidence)-8 (very severe change); and area of involvement=0 (0 cm\^2)-18 (\>300 cm\^2). CA: sum of signs/symptoms grades for index lesion. Index lesion CA grade at baseline divided into CA grade at study visit to determine treatment response. CA Ratio \<1.0=improvement and \>1.0=worsening of disease. Criteria for PD requires at least 1 component of the following: CA ratio=≥1.25, ≥25% increase in number/aggregate area of abnormal lymph nodes/tumors, or no new abnormal lymph nodes in documented area of absence of disease.

Defined as time interval from first day of bexarotene treatment to time of first observation when participant met criteria for PD. PGA was an assessment of the overall extent of improvement/worsening from Baseline of the participant's overall disease compared with the condition every 4 weeks thereafter during treatment. PD=PGA grade of 6 (worse disease \[≥25%\] than at baseline). If visceral disease or an abnormal lymph node was located in a documented area of absence of disease, then PD would be reported for the participant.

Defined as time interval from first day of bexarotene treatment to time of first observation when participant met criteria for PD. To determine BSA involvement, the area of the participant's palm was defined as 1% of the participant's BSA. The extent of involvement of disease was determined as multiples of the participant's palm area and expressed as a percentage of the participant's total BSA at Baseline (Day 1) and every 4 weeks thereafter during treatment. PD=an increase from Baseline in percent BSA of at least 25%.

Bausch Health Americas, Inc.

Received at Least 1 Dose of Study Drug and had at least 1 safety assessment after treatment (Safety Population).

Participants received bexarotene 150 mg/m\^2/day once daily for 24 weeks.

Bexarotene 150 mg/m^2/Day

Participants received bexarotene 300 mg/m\^2/day once daily for 24 weeks.

Bexarotene 300 mg/m^2/Day

Total

Age, Continuous

Sex: Female, Male

Participants who received at least 1 dose of study drug (Full Analysis Population).

Director of Clinical Operations

Number of Participants With Tumor Response (Complete Response [CR], Clinical Complete Response [CCR], and Partial Response [PR]) in up to 5 Index Lesions as Determined by Investigator's Composite Assessment (CA) of Index Lesion Disease Severity

Number of Participants With Tumor Response of CR, CCR, PR, SD, and PD as Determined by Physician's Global Assessment (PGA) of Clinical Condition

Number of Participants With Tumor Response of CR, CCR, PR, SD, and PD as Determined Percent Body Surface Area (BSA) Involvement

Participants who received at least 1 dose of study drug (Full Analysis Population) and with the best overall response of evaluable CR, CCR, and PR data for CA of index lesion disease severity.

Duration of Tumor Response (CR, CCR, or PR) as Determined by Investigator's CA of Index Lesion Disease Severity

Participants who received at least 1 dose of study drug (Full Analysis Population) and with the best overall response of evaluable CR, CCR, and PR data for PGA of clinical condition.

Duration of Tumor Response (CR, CCR, or PR) as Determined by PGA of Clinical Condition

Participants who received at least 1 dose of study drug (Full Analysis Population) and with the best overall response of evaluable CR, CCR, and PR data for percent of BSA involvement.

Duration of Tumor Response (CR, CCR, or PR) as Determined by Percent BSA Involvement

Time to Tumor Response (CR, CCR, or PR) as Determined by CA of Index Lesion Disease Severity

Time to Tumor Response (CR, CCR, or PR) as Determined by PGA of Clinical Condition

Time to Tumor Response (CR, CCR, or PR) as Determined by Percent BSA Involvement

Participants who received at least 1 dose of study drug (Full Analysis Population) and with evaluable PD data for CA of index lesion disease severity.

Time to Tumor Progression as Determined by CA of Index Lesion Disease Severity

Participants who received at least 1 dose of study drug (Full Analysis Population) and with progression.

Spots Global Cancer Trial Database for Study Evaluating Two Dose Levels of Targretin Capsules in Participants With Refractory Cutaneous T-Cell Lymphoma (CTCL)

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