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. 2021 May 24;34(4):e14978. doi: 10.1111/dth.14978

TABLE 2.

Studies included photo‐sensitive reactions occurred in volunteers deliberately exposed to sunlight or artificial light sources

Studies performed on volunteers
Author Type of study Year No patients involved Drug Dose Reaction occurred and source of light

Pariser DM, Green LJ

RCT 2019

12/18 at 24 h

2/18

at 48 h

Sarecycline 240 mg Phototoxicity assessed with irradiation with 16 J/cm2 of UVA, then another area was irradiated with UVA/UVB at 50% of the subject's minimal erythema dose.

Bjellerup M, Ljunggren B

Double‐blind cross‐over 1994 15

Doxycycline

vs.

lymecycline

200 mg

1200 mg

Phototesting performed with UVA radiation

Bjellerup M, Ljunggren B

Double blind cross‐over 1987

4/8

0/8

Doxycycline

vs.

lymecycline

200 mg

1200 mg

Photosensitive reaction with fluorescent tube

Rosén K, Swanbeck G

Interventional cohort 1982 1/10

Doxycycline

200 mg Phototoxic Reactions after exposition to High‐Intensity UVA Lamp
Maibach HI, Epstein J, et al. Observational cohort 1974 3/200

Demethylchlortetracycline

600 mg

Phototoxic dermatitis, then

Photosensitive lichenoid eruption in 10–20 days during sun exposure and application of a Mylan plastic

Frost P, Weinstein GD, et al.

RCT 1972

6/15

0/17

Doxycycline

vs. minocycline

200 mg Sunburn reaction during sun exposure

Frost P, Weinstein GD, et al.

Interventional cohort 1971

12/13

1/14

Demethylchlortetracycline

Methacycline

600 mg

600 mg

Abnormal reactions to sun during a boat trip
Dahlen RF, Shapiro SI, et al. Interventional cohort 1970 20 Demethylchlortetracycline 300 mg Phototoxic reaction due to sunlight, assessing the efficacy of a sunscreen

Blank H, Cullen SI, et al.

RCT 1968

9/10

2/10

Demethylchlortetracycline

or doxycycline

600 mg

200 mg

Phototoxic reaction

during sun exposition on a boat

Willis I, Kligman

Interventional cohort 1968 10/10

Demethylchlortetracycline

Skin contact Photocontact allergy on stripped skin with 1600 W high pressure xenon arc lamp

Willis I, Kligman

Interventional cohort 1968 10/12

Demethylchlortetracycline

1200 mg Photosensitivity with 1600 W high pressure xenon arc lamp

Kligman AM, Breit R

Interventional cohort 1968 See text for details

Demethylchlortetracycline, tetracycline HCl, chlortetracycline

Various doses Phototoxic reaction induced by oral administration, dermal injection and topical application

Schorr WF, Monash S

Interventional cohort 1963

5 sunlight

1 hot quartz lamp

Tetracycline and demethylchlortetracycline

0.2 ml at various concentrations intradermal injection Minimal primary irritant effect occurred which disappeared in 48–72 h with sunlight or hot quartz lamp irradiation

Harber LC, Tromovitch TA, Baer RL

RCT 1961

10

10

15 carbon arc radiation

Demethylchlortetracycline

vs.

tetracycline

600 mg

1000 mg

1400 mg

Photosensitivity with sunlight or carbon arc radiation
Orentreich N, Harber L et al. Interventional cohort 1961 27/108 Demethylchlortetracycline

600 mg

Phototoxic reaction

(of whom 7/108 with photo‐onycholysis)

Cahn M, Levy EJ, et al.

Interventional cohort 1961

15/74

15/64

3/18

Demethylchlortetracycline

600 mg

600 or 450 or 300 mg

Photosensitivity with artificial light source

Cahn M, Levy EJ, et al.

Interventional cohort 1961

2/50

0/76

Demethylchlortetracycline

450 mg

300 mg

Photosensitivity with sunlight exposition + UV lamp