Table 1.
Patients with chronic actinic dermatitis (CAD) treated with dupilumab (n = 3).
| Patient 1 | Patient 2 | Patient 3 | |
|---|---|---|---|
| Age | 58 | 77 | 69 |
| Sex | Male | Male | Male |
| Duration of CAD (Years) | >10 | 4 | 1 |
| Clinical presentation | Well-demarcated Erythematous excoriated lichenified pruritic plaques on sun-exposed areas (face, fore arm, dorsa of hands and scalp), increased symptoms in summer during outdoor activities. Spared shaded areas. | Pruritic edematous excoriated lichenified plaques on sun-exposed areas (face, upper chest, dorsa of hands and scalp), increased symptoms in summer specially during outdoor activities. Shaded areas are spared. | Well-demarcated phot-induced eczematous on sun-exposed areas (face, upper chest, fore arm, dorsa of hands and scalp), increased symptoms in summer during outdoor activities. No lesion were found on the shaded areas of the body. |
| Serum IgE levels | 150 IU/mL (normal 20–200 IU/mL) | 88 IU/mL (normal 20–200 IU/mL) | Not done |
| Severity measurement tools (IGA, EASI, Pruritic-NRS) | IGA: 4v0/1A EASI: 10.3v0/1A BSA:21v0/6A Pruritic-NRS: 7v0/2A | IGA: 4v0/1A EASI: 13v0/1.7A BSA:20v0/8A Pruritic-NRS: 8v0/1A |
IGA: 4v0/2A EASI: 11v0/2A BSA:26v0/10A Pruritic-NRS: 8v0/3A |
| Previous treatment | Corticosteroid (T, PO), TCI, methotrexate, antihistamine, hydroxychloroquine (2) | Corticosteroid (T, PO), TCI, methotrexate, Azathioprine, hydroxychloroquine, mycophenolate mofetil (2) | Corticosteroids (T), TCI, antihistamines and hydroxychloroquine (2) |
| Photo-testing (MED) | UVA: positive at 7 mJ/cm2 at 24 h (normal range: ≥10 mJ/cm2 ) UVB: positive at 25 mJ/cm2 at 24 h (normal range: ≥40 mJ/cm2 ) | UVA: negative at 24 h UVB: positive at 15 mJ/cm2 at 24 h (normal range: ≥40 mJ/cm2) |
UVA: positive at 3 mJ/cm2 at 24 h (normal range: ≥10 mJ/cm2 ) UVB: positive at 18 mJ/cm2 at 24 h (normal range: ≥40 mJ/cm2 ) |
| Treatment with Dupilumab | Dupilumab 600 mg, 300 mg biweekly+ hydroxychloroquine | Dupilumab 600 mg, 300 mg biweekly+ hydroxychloroquine | Dupilumab 600 mg, 300 mg biweekly+ hydroxychloroquine |
| Treatment duration | 16 weeks (continued) | 20 weeks (continued) | 8 weeks (continued) |
| Follow up | Clearance of lesions | Nearly clearance of lesions. | Significant reduced pruritus and rash |
| Overall effects | ↑↑↑ | ↑↑↑ | ↑↑ |
| Complications | none | none | none |
| Comments | History of AD Yes | no | no |
PO, per oral; T, topical; TCIs, topical calcineurin inhibitors; MED, minimal erythema dose; V0, visit zero; A, after treatment; overall effects: → , none; ↑, mild; ↑↑, moderate; ↑↑↑, complete.