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Multiple Fields Radiotherapy Versus Intravenous Rituximab in the Treatment of Indolent Cutaneous Lymphomas B-cell With Multiple or Recurrent Lesions (RADIO-LYMPH)

C

CHU de Reims

Status and phase

Unknown
Phase 3

Conditions

Indolent Cutaneous B Cell Lymphomas

Treatments

Drug: rituximab
Radiation: Multi-fields radiotherapy

Study type

Interventional

Funder types

Other

Identifiers

NCT02867553
PN09001

Details and patient eligibility

About

Cutaneous lymphomas are the most frequent extranodal lymphomas after digestive lymphomas. A quarter are B-cell lymphomas. 80% of cutaneous B cell lymphomas are indolent cutaneous B cell lymphomas. These indolent cutaneous B cell lymphomas are characterized by good prognosis (survival rate at 5 years: 90%), but also by the frequency of cutaneous recurrences. The radiotherapy is currently the most widely used treatment, with complete response rate close to 100% for a lesion treated. However, it has limits when there are outset multiple lesions inaccessible to a single radiotherapy field (concerning one case in three), or during recurrences. In these situations, conventional chemotherapy is not recommended and multi-field radiotherapy is often used empirically, but its effectiveness has never been studied prospectively.

Recently, retrospective studies with small numbers patients (totaling sixty patients) reported complete response rates of 80 to 100% with rituximab (anti-cluster of differentiation antigen 20 (CD20) antibodies) used as monotherapy in non-standardized treatment by intravenous with a recurrence rate of less than one case in three. These data suggest that rituximab by intravenous with a standardized initial cycle followed by a maintenance therapy could improve the prognosis of indolent cutaneous B cell lymphomas with multiple lesions or of recurrent lesions.

Full description

Compare the efficacy and safety of two treatment strategies for indolent cutaneous B cell lymphomas with multiple or recurrent lesions: Rituximab by intravenous versus multi-field radiotherapy.

Enrollment

36 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • patients with histological diagnosis of indolent cutaneous B cell lymphomas
  • patients with multiple lesions inaccessible to a single field of radiotherapy or patients with a recurrence outside the field of first radiotherapy
  • patient with a lesion of at least 15 mm in major axis and a total tumor surface area greater or egal than 4 cm2
  • patient with a negative staging
  • patient consenting to participate to the study
  • patient enrolled in the national healthcare insurance program
  • patient older than 18 years

Exclusion criteria

  • contraindication for rituximab or radiotherapy
  • immunosuppressive therapy
  • immunosuppression

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

36 participants in 2 patient groups

Rituximab by intravenous
Experimental group
Description:
attack treatment (4 slow intravenous perfusions of rituximab at a dose of 375 mg / m2 on day 1, day 8, day 15 and day 22) and maintenance treatment (intravenous perfusions of rituximab at a dose of 375 mg / m2 every 2 months for 2 years).
Treatment:
Drug: rituximab
multi-field radiotherapy
Active Comparator group
Description:
multi-fields radiotherapy with a dose between 20 and 30 gray and a fractionated dose over 2 at 3 weeks.
Treatment:
Radiation: Multi-fields radiotherapy

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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