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. 2021 Dec 8;13(1):23–41. doi: 10.1002/jcsm.12861

Table 2.

Summary of findings from studies reporting on weight

Outcome (units) Study author, year Intervention Sample size Results
Intervention Control p value
RCTs
% patients with >10% increase above BL Jatoi et al., 2002 42 2.5 mg dronabinol capsules b.i.d.

I: 152

C: 159

Self‐reported 3, physician‐reported 5 Self‐reported 11, physician‐reported 14 0.02, 0.009
% patients with a max weight gain of 0%, 1–4%, 5–9% or >10% 65, 23, 8, & 3 57, 23, 10, & 10 0.041
Mean change in body weight, kg (SD) Turcott et al., 2018 43 0.5 mg nabilone for 2 weeks, then 1 mg for 6 weeks

I: 14

C: 19

−1.4 (1.6) −1.09 (2.6) 0.724
NRSI
Percent % change, range Bar‐Sela et al., 2019 44

Cannabis capsules

10 mg THC:CBD (9.5:0.5) or

5 mg THC:CBD (4.75:0.25)

q.d. for 2 weeks then b.i.d. (morning, then +8 h)

11 7.7–21.6 None Not reported

Mean BL and final weight, kg (SD)

Mean weight change, kg

Kasvis et al., 2019 45 medical cannabis treatment based on individual assessment by multidisciplinary team 37

BL: 70.7 (19.3)

Final: 66.1 (23.0)

Calculated from mean BL and final weight: −4.6

None 0.509

Mean BL and final weight, kg (SD)

Mean weight change, kg

Kasvis et al., 2019 46

cannabinoid therapy (# of participants):

THC/CBD (1:1) (6 total)

THC‐rich (17 total)

CBD‐rich (0 total)

combined therapies (# of participants):

THC/CBD and THC‐rich (17 total)

THC/CBD and CBD‐rich (7 total)

THC‐ and CBD‐rich (17 total)

THC/CBD, THC‐rich, CBD‐rich (1 total)

54 (51 included in analysis)

BL: 70.7 (14.6)

Final: 71.0 (14.8)

Calculated from mean BL and final weight: 0.3

None Not reported
Median weight change, kg (range) Nelson et al., 1994 47 THC 2.5 mg p.o. t.i.d. 1 h post‐meals 6 1.3 (1.0–2.7) None Not reported
Descriptive weight change, n 2.5 mg b.i.d. for 3 days if >65 years

3 gained weight

2 maintained a stable weight

1 lost weight

None N/A
Median rate of weight loss before and after therapy, kg/months Plasse et al., 1991 23
I: dronabinol treatment, 4 groups;
  • group 1: 2.5 mg q.d.
  • group 2: 2.5 mg b.i.d.
  • group 3: 5 mg q.d.
  • group 4: 5 mg b.i.d.

Study 1: group 3 received dose before breakfast;

Study 2: group 3 received dose before dinner;

42
Before I:
  • group 1: −3.2
  • group 2: −3.2
  • group 3: −1.5
  • group 4: −1.1
After I:
  • group 1: −2.3
  • group 2: −1.5
  • group 3: −1.4
  • group 4: 0.2
None Group 1 and group 3 only: <0.05
Median weight gain, kg (range) Walsh et al., 2005 48 7.5 to 15 mg dronabinol q.d. in 5 patients, 1 patient remained on initial dose 5 1 (0.5) None Not reported
Individual patient weight change, patient #, kg 6

1: +1

2: 0

3: n/a (withdrew)

4: +5

5: +1

6: +3

None Not reported

Abbreviations: b.i.d., twice daily; C, comparison; CBD, cannabidiol; CE, cannabis extract; F/U, follow up; I, intervention; NRSI, non‐randomized study of intervention; q.d., daily; RCT, randomized controlled trial; SC, synthetic cannabinoid; SD, standard deviation; THC, tetrahydrocannabinol; t.i.d., three times daily.